Filer Snapshot

Annexon, Inc.

CIK 0001528115. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Company

Total Filings

493

Latest Filing

27 Apr 2026

Industry

n/a

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Go to latest filings table
Source: SEC filing ARS

ARS filed on 27 Apr 2026 for CIK 0001528115.

View Source Filing
Symbol
ANNX on Nasdaq
Business address
1400 Sierra Point Parkway, Bldg C, Suite 200, Brisbane, CA, 94005
State of incorporation
DE
Fiscal year end
31 December

Filer intelligence

What SEC filings say about Annexon, Inc.

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

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SEC source mix

Counts show available parsed rows, not one combined ownership total.

No XML rows yet
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Forms 3/4/5 No rows yet

Officer, director, and 10% owner holdings or transactions.

No parsed ownership summary yet

We still show the SEC filing timeline below. The intelligence summary will populate when parsed 13F, 13D/G, or Forms 3/4/5 data exists for this CIK.

Filer Overview

Annexon, Inc. has filed 493 SEC EDGAR filings since 22 Aug 2011. Common forms include ARS, DEFA14A, DEF 14A, PRE 14A and more.

Annexon, Inc. SEC filings 03589W102 holder history

Latest Filings

Recent SEC filings for Annexon, Inc. with direct links to document and filing folders.

ARS File 001-39402

ARS

Filing date
27 Apr 2026
Reporting date
31 Dec 2025
SEC evidence
Open document Open filing
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DEFA14A File 001-39402

DEFA14A

Filing date
27 Apr 2026
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-39402

DEF 14A

Filing date
27 Apr 2026
Reporting date
11 Jun 2026
Next action
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PRE 14A File 001-39402

PRE 14A

Filing date
16 Apr 2026
Reporting date
11 Jun 2026
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4

4 filing

Filing date
14 Apr 2026
Reporting date
10 Apr 2026
SEC evidence
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SCHEDULE 13G/A File 005-91583

SCHEDULE 13G/A filing

Filing date
26 Mar 2026
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
12 Mar 2026
Reporting date
10 Mar 2026
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4

4 filing

Filing date
04 Mar 2026
Reporting date
02 Mar 2026
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4

4 filing

Filing date
04 Mar 2026
Reporting date
02 Mar 2026
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Filing date
04 Mar 2026
Reporting date
02 Mar 2026
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4

4 filing

Filing date
04 Mar 2026
Reporting date
02 Mar 2026
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4

4 filing

Filing date
04 Mar 2026
Reporting date
02 Mar 2026
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144 File 001-39402

144 filing

Filing date
02 Mar 2026
Reporting date
Not listed
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144 File 001-39402

144 filing

Filing date
02 Mar 2026
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144 File 001-39402

144 filing

Filing date
02 Mar 2026
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144 File 001-39402

144 filing

Filing date
02 Mar 2026
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144 File 001-39402

144 filing

Filing date
02 Mar 2026
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4

4 filing

Filing date
23 Feb 2026
Reporting date
19 Feb 2026
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4

4 filing

Filing date
23 Feb 2026
Reporting date
19 Feb 2026
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4 filing

Filing date
23 Feb 2026
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19 Feb 2026
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Filing date
23 Feb 2026
Reporting date
19 Feb 2026
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4 filing

Filing date
23 Feb 2026
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19 Feb 2026
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4 filing

Filing date
23 Feb 2026
Reporting date
19 Feb 2026
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4 filing

Filing date
20 Feb 2026
Reporting date
18 Feb 2026
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Filing date
20 Feb 2026
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18 Feb 2026
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Filing date
20 Feb 2026
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18 Feb 2026
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Filing date
20 Feb 2026
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18 Feb 2026
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4

4 filing

Filing date
20 Feb 2026
Reporting date
18 Feb 2026
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144 File 001-39402

144 filing

Filing date
18 Feb 2026
Reporting date
Not listed
SEC evidence
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144 File 001-39402

144 filing

Filing date
18 Feb 2026
Reporting date
Not listed
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144 File 001-39402

144 filing

Filing date
18 Feb 2026
Reporting date
Not listed
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144 File 001-39402

144 filing

Filing date
18 Feb 2026
Reporting date
Not listed
SEC evidence
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144 File 001-39402

144 filing

Filing date
18 Feb 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A File 005-91583

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-91583

SCHEDULE 13G/A filing

Filing date
05 Feb 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-91583

SCHEDULE 13G/A filing

Filing date
21 Jan 2026
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
02 Jan 2026
Reporting date
30 Dec 2025
SEC evidence
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4

4 filing

Filing date
03 Dec 2025
Reporting date
01 Dec 2025
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4

4 filing

Filing date
03 Dec 2025
Reporting date
01 Dec 2025
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4

4 filing

Filing date
21 Nov 2025
Reporting date
20 Nov 2025
SEC evidence
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SCHEDULE 13D/A File 005-91583

SCHEDULE 13D/A filing

Filing date
21 Nov 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
19 Nov 2025
Reporting date
17 Nov 2025
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424B5 File 333-278246

424B5

Filing date
13 Nov 2025
Reporting date
Not listed
SEC evidence
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424B5 File 333-278246

424B5

Filing date
12 Nov 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A File 005-91583

SCHEDULE 13G/A filing

Filing date
05 Nov 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
31 Oct 2025
Reporting date
30 Oct 2025
SEC evidence
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SCHEDULE 13G File 005-91583

SCHEDULE 13G filing

Filing date
30 Oct 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
02 Oct 2025
Reporting date
30 Sep 2025
SEC evidence
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4

4 filing

Filing date
04 Sep 2025
Reporting date
02 Sep 2025
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SCHEDULE 13G/A File 005-91583

SCHEDULE 13G/A filing

Filing date
14 Aug 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-91583

SCHEDULE 13G/A filing

Filing date
06 Aug 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
01 Aug 2025
Reporting date
30 Jul 2025
SEC evidence
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4

4 filing

Filing date
16 Jul 2025
Reporting date
14 Jul 2025
SEC evidence
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4

4 filing

Filing date
16 Jul 2025
Reporting date
14 Jul 2025
SEC evidence
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4

4 filing

Filing date
16 Jul 2025
Reporting date
14 Jul 2025
SEC evidence
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144 File 001-39402

144 filing

Filing date
14 Jul 2025
Reporting date
Not listed
SEC evidence
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144 File 001-39402

144 filing

Filing date
14 Jul 2025
Reporting date
Not listed
SEC evidence
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144 File 001-39402

144 filing

Filing date
14 Jul 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
01 Jul 2025
Reporting date
30 Jun 2025
SEC evidence
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4

4 filing

Filing date
09 Jun 2025
Reporting date
05 Jun 2025
SEC evidence
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4

4 filing

Filing date
09 Jun 2025
Reporting date
05 Jun 2025
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4

4 filing

Filing date
09 Jun 2025
Reporting date
05 Jun 2025
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4

4 filing

Filing date
09 Jun 2025
Reporting date
05 Jun 2025
SEC evidence
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4

4 filing

Filing date
09 Jun 2025
Reporting date
05 Jun 2025
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4

4 filing

Filing date
09 Jun 2025
Reporting date
05 Jun 2025
SEC evidence
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4

4 filing

Filing date
09 Jun 2025
Reporting date
05 Jun 2025
SEC evidence
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SCHEDULE 13G/A File 005-91583

SCHEDULE 13G/A filing

Filing date
15 May 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-91583

SCHEDULE 13G/A filing

Filing date
30 Apr 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SCHEDULE 13G File 005-91583

SCHEDULE 13G filing

Filing date
28 Apr 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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ARS File 001-39402

ARS

Filing date
23 Apr 2025
Reporting date
31 Dec 2024
SEC evidence
Open document Open filing
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DEFA14A File 001-39402

DEFA 14A

Filing date
23 Apr 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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DEF 14A File 001-39402

DEF 14A

Filing date
23 Apr 2025
Reporting date
05 Jun 2025
Next action
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S-8 File 333-285514

S-8

Filing date
03 Mar 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
03 Mar 2025
Reporting date
27 Feb 2025
SEC evidence
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4

4 filing

Filing date
03 Mar 2025
Reporting date
27 Feb 2025
SEC evidence
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4

4 filing

Filing date
03 Mar 2025
Reporting date
27 Feb 2025
SEC evidence
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4

4 filing

Filing date
03 Mar 2025
Reporting date
27 Feb 2025
SEC evidence
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4

4 filing

Filing date
03 Mar 2025
Reporting date
27 Feb 2025
SEC evidence
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4

4 filing

Filing date
03 Mar 2025
Reporting date
27 Feb 2025
SEC evidence
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4

4 filing

Filing date
20 Feb 2025
Reporting date
18 Feb 2025
SEC evidence
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4

4 filing

Filing date
20 Feb 2025
Reporting date
18 Feb 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
20 Feb 2025
Reporting date
18 Feb 2025
SEC evidence
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4

4 filing

Filing date
20 Feb 2025
Reporting date
18 Feb 2025
SEC evidence
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4

4 filing

Filing date
20 Feb 2025
Reporting date
18 Feb 2025
SEC evidence
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4

4 filing

Filing date
18 Feb 2025
Reporting date
13 Feb 2025
SEC evidence
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4

4 filing

Filing date
18 Feb 2025
Reporting date
13 Feb 2025
SEC evidence
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4

4 filing

Filing date
18 Feb 2025
Reporting date
13 Feb 2025
SEC evidence
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4

4 filing

Filing date
18 Feb 2025
Reporting date
13 Feb 2025
SEC evidence
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144 File 001-39402

144 filing

Filing date
18 Feb 2025
Reporting date
Not listed
SEC evidence
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Next action
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144 File 001-39402

144 filing

Filing date
18 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-39402

144 filing

Filing date
18 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-39402

144 filing

Filing date
18 Feb 2025
Reporting date
Not listed
SEC evidence
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144 File 001-39402

144 filing

Filing date
18 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-91583

SCHEDULE 13G/A filing

Filing date
14 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-39402

144 filing

Filing date
13 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-39402

144 filing

Filing date
13 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-39402

144 filing

Filing date
13 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-39402

144 filing

Filing date
13 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G File 005-91583

SCHEDULE 13G filing

Filing date
31 Jan 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
10 Jan 2025
Reporting date
09 Jan 2025
SEC evidence
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3

3 filing

Filing date
10 Jan 2025
Reporting date
09 Jan 2025
SEC evidence
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4

4 filing

Filing date
08 Jan 2025
Reporting date
06 Jan 2025
SEC evidence
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S-8 File 333-283944

S-8

Filing date
19 Dec 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-91583

SCHEDULE 13G/A filing

Filing date
06 Dec 2024
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
04 Dec 2024
Reporting date
02 Dec 2024
SEC evidence
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SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Nov 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-91583

SC 13G/A filing

Filing date
14 Nov 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Nov 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-91583

AMENDMENT NO. 3 TO SCHEDULE 13G

Filing date
14 Nov 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-91583

SC 13G/A filing

Filing date
14 Nov 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-91583

SC 13G/A filing

Filing date
12 Nov 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-91583

ANNEXON, INC.

Filing date
12 Nov 2024
Reporting date
Not listed
SEC evidence
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SC 13G File 005-91583

SC 13G filing

Filing date
08 Nov 2024
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
01 Nov 2024
Reporting date
30 Oct 2024
SEC evidence
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SC 13G File 005-91583

SC 13G filing

Filing date
22 Oct 2024
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
17 Oct 2024
Reporting date
15 Oct 2024
SEC evidence
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144 File 001-39402

144 filing

Filing date
15 Oct 2024
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
02 Oct 2024
Reporting date
01 Oct 2024
SEC evidence
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S-8 File 333-282360

S-8

Filing date
27 Sep 2024
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
20 Sep 2024
Reporting date
19 Sep 2024
SEC evidence
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144 File 001-39402

144 filing

Filing date
19 Sep 2024
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
16 Sep 2024
Reporting date
12 Sep 2024
SEC evidence
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144 File 001-39402

144 filing

Filing date
12 Sep 2024
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
06 Sep 2024
Reporting date
05 Sep 2024
SEC evidence
Open document Open filing
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144 File 001-39402

144 filing

Filing date
05 Sep 2024
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
04 Sep 2024
Reporting date
03 Sep 2024
SEC evidence
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4

4 filing

Filing date
30 Aug 2024
Reporting date
29 Aug 2024
SEC evidence
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144 File 001-39402

144 filing

Filing date
29 Aug 2024
Reporting date
Not listed
SEC evidence
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EFFECT File 333-281493

EFFECT filing

Filing date
15 Aug 2024
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
13 Aug 2024
Reporting date
Not listed
SEC evidence
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UPLOAD File 333-281493

UPLOAD filing

Filing date
13 Aug 2024
Reporting date
Not listed
SEC evidence
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S-3 File 333-281493

S-3

Filing date
12 Aug 2024
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
05 Aug 2024
Reporting date
01 Aug 2024
SEC evidence
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4

4 filing

Filing date
17 Jul 2024
Reporting date
15 Jul 2024
SEC evidence
Open document Open filing
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4

4 filing

Filing date
17 Jul 2024
Reporting date
15 Jul 2024
SEC evidence
Open document Open filing
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4

4 filing

Filing date
17 Jul 2024
Reporting date
15 Jul 2024
SEC evidence
Open document Open filing
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144 File 001-39402

144 filing

Filing date
15 Jul 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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144 File 001-39402

144 filing

Filing date
15 Jul 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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144 File 001-39402

144 filing

Filing date
15 Jul 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4 filing

Filing date
02 Jul 2024
Reporting date
01 Jul 2024
SEC evidence
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4

4 filing

Filing date
07 Jun 2024
Reporting date
05 Jun 2024
SEC evidence
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4

4 filing

Filing date
07 Jun 2024
Reporting date
05 Jun 2024
SEC evidence
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4

4 filing

Filing date
07 Jun 2024
Reporting date
05 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
07 Jun 2024
Reporting date
05 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
07 Jun 2024
Reporting date
05 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
07 Jun 2024
Reporting date
05 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
424B5 File 333-278246

424B5

Filing date
07 Jun 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
FWP File 333-278246

FWP

Filing date
06 Jun 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
05 Jun 2024
Reporting date
03 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
424B5 File 333-278246

424B5

Filing date
04 Jun 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
03 May 2024
Reporting date
01 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
ARS File 001-39402

ARS

Filing date
25 Apr 2024
Reporting date
31 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-39402

DEFA14A

Filing date
25 Apr 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 001-39402

DEF 14A

Filing date
25 Apr 2024
Reporting date
05 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G

Filing date
22 Apr 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
10 Apr 2024
Reporting date
08 Apr 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
424B5 File 333-278246

424B5

Filing date
05 Apr 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-278246

EFFECT filing

Filing date
01 Apr 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
28 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD File 333-278246

UPLOAD filing

Filing date
28 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3 File 333-278246

S-3

Filing date
26 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-8 File 333-278244

S-8

Filing date
26 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
21 Feb 2024
Reporting date
16 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
21 Feb 2024
Reporting date
16 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
21 Feb 2024
Reporting date
16 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
21 Feb 2024
Reporting date
16 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
21 Feb 2024
Reporting date
16 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
21 Feb 2024
Reporting date
16 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-39402

144 filing

Filing date
20 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-39402

144 filing

Filing date
20 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-39402

144 filing

Filing date
20 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Feb 2024
Reporting date
12 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Feb 2024
Reporting date
12 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Feb 2024
Reporting date
12 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Feb 2024
Reporting date
12 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

AMENDMENT NO. 2 TO SCHEDULE 13G

Filing date
14 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G/A File 005-91583

SC 13G/A filing

Filing date
13 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
13 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

ANNEXON, INC.

Filing date
12 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-39402

144 filing

Filing date
12 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-39402

144 filing

Filing date
12 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-39402

144 filing

Filing date
12 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-39402

144 filing

Filing date
12 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

ANNEXON, INC.

Filing date
07 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

FORM 4/A SUBMISSION

Filing date
23 Jan 2024
Reporting date
11 Jul 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
23 Jan 2024
Reporting date
11 Jul 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
23 Jan 2024
Reporting date
11 Jul 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G filing

Filing date
10 Jan 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
29 Dec 2023
Reporting date
27 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
28 Dec 2023
Reporting date
26 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-39402

144 filing

Filing date
27 Dec 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
424B5 File 333-258863

424B5

Filing date
21 Dec 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
FWP File 333-258863

FWP

Filing date
20 Dec 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A filing

Filing date
08 Aug 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
02 Aug 2023
Reporting date
01 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
02 Aug 2023
Reporting date
27 Jul 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-39402

144 filing

Filing date
13 Jul 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-39402

144 filing

Filing date
13 Jul 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-39402

144 filing

Filing date
13 Jul 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G filing

Filing date
22 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
12 Jun 2023
Reporting date
08 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
12 Jun 2023
Reporting date
08 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
12 Jun 2023
Reporting date
08 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
12 Jun 2023
Reporting date
08 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
12 Jun 2023
Reporting date
08 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
12 Jun 2023
Reporting date
08 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
30 May 2023
Reporting date
25 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
30 May 2023
Reporting date
25 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
30 May 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
ARS File 001-39402

ARS

Filing date
25 Apr 2023
Reporting date
31 Dec 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-39402

DEFA14A

Filing date
25 Apr 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 001-39402

DEF 14A

Filing date
25 Apr 2023
Reporting date
08 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
3

3 filing

Filing date
27 Mar 2023
Reporting date
16 Mar 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
S-8 File 333-270307

S-8

Filing date
06 Mar 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

ANNEXON, INC.

Filing date
27 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
21 Feb 2023
Reporting date
16 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
21 Feb 2023
Reporting date
16 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
21 Feb 2023
Reporting date
16 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
17 Feb 2023
Reporting date
15 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D/A File 005-91583

SC 13D/A filing

Filing date
17 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Feb 2023
Reporting date
13 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Feb 2023
Reporting date
13 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
14 Feb 2023
Reporting date
10 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SEC SCHEDULE 13G

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

AMENDMENT NO. 1 TO THE SCHEDULE 13G

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

ANNEXON, INC.

Filing date
09 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G

Filing date
03 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A filing

Filing date
01 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
18 Jan 2023
Reporting date
15 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
12 Jan 2023
Reporting date
06 Jan 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-268181

EFFECT filing

Filing date
16 Nov 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
424B3 File 333-268181

424B3

Filing date
16 Nov 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
14 Nov 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
10 Nov 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3 File 333-268181

S-3

Filing date
04 Nov 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-8 File 333-266671

S-8

Filing date
08 Aug 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
D File 021-453365

D filing

Filing date
22 Jul 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
18 Jul 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D File 005-91583

SC 13D filing

Filing date
18 Jul 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

ANNEXON, INC.

Filing date
18 Jul 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jul 2022
Reporting date
11 Jul 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jul 2022
Reporting date
11 Jul 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jul 2022
Reporting date
11 Jul 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jul 2022
Reporting date
11 Jul 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jul 2022
Reporting date
11 Jul 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jul 2022
Reporting date
11 Jul 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jul 2022
Reporting date
11 Jul 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
11 Jul 2022
Reporting date
07 Jul 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G filing

Filing date
08 Jul 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G

Filing date
23 Jun 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jun 2022
Reporting date
09 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jun 2022
Reporting date
09 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jun 2022
Reporting date
09 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jun 2022
Reporting date
09 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jun 2022
Reporting date
09 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jun 2022
Reporting date
09 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

THE SCHEDULE 13G

Filing date
26 May 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-258863

EFFECT filing

Filing date
03 May 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
POS EX File 333-258863

POS EX

Filing date
03 May 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-39402

DEFA14A

Filing date
27 Apr 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 001-39402

DEF 14A

Filing date
27 Apr 2022
Reporting date
09 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G

Filing date
21 Apr 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
18 Apr 2022
Reporting date
14 Apr 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
POS AM File 333-258863

POS AM

Filing date
02 Mar 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-8 File 333-263193

S-8

Filing date
02 Mar 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
POSASR File 333-258863

POSASR

Filing date
01 Mar 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Feb 2022
Reporting date
11 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Feb 2022
Reporting date
11 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Feb 2022
Reporting date
11 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Feb 2022
Reporting date
11 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Feb 2022
Reporting date
11 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G filing

Filing date
14 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G filing

Filing date
14 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G filing

Filing date
14 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
14 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

ANNEXON, INC.

Filing date
14 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A

Filing date
11 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G

Filing date
10 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A filing

Filing date
09 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

SC 13G/A filing

Filing date
03 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
20 Jan 2022
Reporting date
19 Jan 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
20 Jan 2022
Reporting date
19 Jan 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91583

NEW ENTERPRISE ASSOCIATES 15, L.P. / ANNEXON, INC. -- 13G/A1E

Filing date
19 Nov 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
15 Nov 2021
Reporting date
11 Nov 2021
SEC evidence
Open document Open filing
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Verify source filing
4

FORM 4

Filing date
04 Oct 2021
Reporting date
30 Sep 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
04 Oct 2021
Reporting date
30 Sep 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
20 Sep 2021
Reporting date
16 Sep 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Sep 2021
Reporting date
13 Sep 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Sep 2021
Reporting date
13 Sep 2021
SEC evidence
Open document Open filing
Next action
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SC 13D/A File 005-91583

SC 13D/A

Filing date
27 Aug 2021
Reporting date
Not listed
SEC evidence
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S-3ASR File 333-258863

S-3ASR

Filing date
16 Aug 2021
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
16 Aug 2021
Reporting date
12 Aug 2021
SEC evidence
Open document Open filing
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3

FORM 3

Filing date
16 Aug 2021
Reporting date
12 Aug 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-39402

ANNX-8K-Q221

Filing date
16 Aug 2021
Reporting date
12 Aug 2021
Next action
Verify source filing
4

FORM 4

Filing date
09 Jun 2021
Reporting date
07 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-39402

8-K

Filing date
08 Jun 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
07 Jun 2021
Reporting date
03 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Jun 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Jun 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Jun 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Jun 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
04 Jun 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
01 Jun 2021
Reporting date
27 May 2021
SEC evidence
Open document Open filing
Next action
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8-K File 001-39402

8-K

Filing date
17 May 2021
Reporting date
17 May 2021
SEC evidence
Open document Open filing
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DEFA14A File 001-39402

DEFA14A

Filing date
22 Apr 2021
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-39402

DEF 14A

Filing date
22 Apr 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
02 Apr 2021
Reporting date
31 Mar 2021
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
31 Mar 2021
Reporting date
29 Mar 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
29 Mar 2021
Reporting date
25 Mar 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
26 Mar 2021
Reporting date
24 Mar 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
25 Mar 2021
Reporting date
23 Mar 2021
SEC evidence
Open document Open filing
Next action
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S-8 File 333-254707

S-8

Filing date
25 Mar 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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8-K File 001-39402

8-K Q4'2020

Filing date
25 Mar 2021
Reporting date
25 Mar 2021
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
01 Mar 2021
Reporting date
25 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
01 Mar 2021
Reporting date
25 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
01 Mar 2021
Reporting date
25 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
01 Mar 2021
Reporting date
25 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
01 Mar 2021
Reporting date
25 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-39402

8-K

Filing date
01 Mar 2021
Reporting date
25 Feb 2021
SEC evidence
Open document Open filing
Next action
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SC 13G/A File 005-91583

SCHEDULE 13G/A

Filing date
16 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G File 005-91583

SCHEDULE 13G

Filing date
16 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G File 005-91583

SC 13G

Filing date
16 Feb 2021
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-91583

AMENDMENT NO. 1

Filing date
16 Feb 2021
Reporting date
Not listed
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SC 13G File 005-91583

SC 13G

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G File 005-91583

NEW ENTERPRISE ASSOCIATES 15, L.P. / ANNEXON, INC. -- 13G

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
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SC 13G File 005-91583

SC 13G

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
08 Feb 2021
Reporting date
05 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
08 Feb 2021
Reporting date
05 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G filing

Filing date
08 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-39402

8-K

Filing date
08 Feb 2021
Reporting date
05 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G filing

Filing date
02 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G

Filing date
29 Jan 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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8-K File 001-39402

8-K

Filing date
11 Jan 2021
Reporting date
11 Jan 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-39402

8-K

Filing date
22 Dec 2020
Reporting date
18 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-39402

8-K

Filing date
16 Nov 2020
Reporting date
16 Nov 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-39402

8-K

Filing date
08 Sep 2020
Reporting date
08 Sep 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D File 005-91583

SC 13D

Filing date
07 Aug 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G File 005-91583

SCHEDULE 13G

Filing date
07 Aug 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SC 13G File 005-91583

SC 13G filing

Filing date
07 Aug 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
30 Jul 2020
Reporting date
28 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

OWNERSHIP DOCUMENT

Filing date
30 Jul 2020
Reporting date
28 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
28 Jul 2020
Reporting date
28 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-39402

8-K

Filing date
28 Jul 2020
Reporting date
28 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
28 Jul 2020
Reporting date
28 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
28 Jul 2020
Reporting date
28 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
28 Jul 2020
Reporting date
28 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91583

SC 13G filing

Filing date
28 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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S-8 File 333-240101

S-8

Filing date
24 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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424B4 File 333-239647

424B4

Filing date
24 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
24 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
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EFFECT File 333-239647

EFFECT filing

Filing date
23 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
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S-1MEF File 333-240067

S-1MEF

Filing date
23 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
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3

3 filing

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
SEC STAFF LETTER

SEC STAFF LETTER filing

Filing date
23 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

OWNERSHIP DOCUMENT

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
23 Jul 2020
Reporting date
23 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
S-1/A File 333-239647

S-1/A

Filing date
23 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
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CERT File 001-39402

8A CERT

Filing date
22 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
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8-A12B File 001-39402

8-A12B

Filing date
21 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
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CORRESP

CORRESP filing

Filing date
21 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
21 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
20 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-1/A File 333-239647

S-1/A

Filing date
20 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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UPLOAD

UPLOAD filing

Filing date
16 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
16 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
D File 021-371129

D filing

Filing date
16 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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CORRESP

CORRESP filing

Filing date
14 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-1 File 333-239647

S-1

Filing date
02 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DRS/A File 377-02837

DRS/A filing

Filing date
26 Feb 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DRSLTR

DRSLTR filing

Filing date
06 Dec 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DRS/A File 377-02837

DRS/A filing

Filing date
06 Dec 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
22 Nov 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DRSLTR

DRSLTR filing

Filing date
08 Nov 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DRS/A File 377-02837

DRS/A filing

Filing date
08 Nov 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
16 Oct 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SEC STAFF LETTER

SEC STAFF LETTER filing

Filing date
08 Oct 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DRS File 377-02837

DRS filing

Filing date
18 Sep 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
D File 021-328461

D filing

Filing date
19 Dec 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
D File 021-164764

D filing

Filing date
22 Aug 2011
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing

About this filer

Annexon, Inc. files with the SEC under CIK 0001528115. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.
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