Filer Snapshot

Arcellx, Inc.

CIK 0001786205. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Company

Total Filings

456

Latest Filing

28 Apr 2026

Industry

n/a

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Go to latest filings table
Source: SEC Forms 3/4/5

4 filed on 28 Apr 2026 for CIK 0001786205.

View Source Filing
Symbol
ACLX on Nasdaq
Business address
800 Bridge Parkway, Redwood City, CA, 94065
State of incorporation
DE
Fiscal year end
31 December

Filer intelligence

What SEC filings say about Arcellx, 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

Arcellx, Inc. has filed 456 SEC EDGAR filings since 22 Aug 2019. Common forms include 4, S-8 POS, POSASR, SCHEDULE 13D/A and more.

Arcellx, Inc. SEC filings 03940C100 holder history

Latest Filings

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

4

4

Filing date
28 Apr 2026
Reporting date
28 Apr 2026
SEC evidence
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4

4

Filing date
28 Apr 2026
Reporting date
28 Apr 2026
SEC evidence
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4

4 filing

Filing date
28 Apr 2026
Reporting date
28 Apr 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
28 Apr 2026
Reporting date
28 Apr 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
28 Apr 2026
Reporting date
28 Apr 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
28 Apr 2026
Reporting date
28 Apr 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
28 Apr 2026
Reporting date
28 Apr 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
28 Apr 2026
Reporting date
28 Apr 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
28 Apr 2026
Reporting date
28 Apr 2026
SEC evidence
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S-8 POS File 333-292559

S-8 POS

Filing date
28 Apr 2026
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
28 Apr 2026
Reporting date
28 Apr 2026
SEC evidence
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S-8 POS File 333-284136

S-8 POS

Filing date
28 Apr 2026
Reporting date
Not listed
SEC evidence
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S-8 POS File 333-276346

S-8 POS

Filing date
28 Apr 2026
Reporting date
Not listed
SEC evidence
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S-8 POS File 333-269105

S-8 POS

Filing date
28 Apr 2026
Reporting date
Not listed
SEC evidence
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S-8 POS File 333-262571

S-8 POS

Filing date
28 Apr 2026
Reporting date
Not listed
SEC evidence
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POSASR File 333-271731

POSASR

Filing date
28 Apr 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13D/A File 005-93375

SCHEDULE 13D/A filing

Filing date
28 Apr 2026
Reporting date
Not listed
SEC evidence
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25-NSE File 001-41259

25-NSE filing

Filing date
28 Apr 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13D/A File 005-93375

SCHEDULE 13D/A filing

Filing date
28 Apr 2026
Reporting date
Not listed
SEC evidence
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SC 14D9/A File 005-93375

SC 14D9/A

Filing date
28 Apr 2026
Reporting date
Not listed
SEC evidence
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SC TO-T/A File 005-93375

SC TO-T/A

Filing date
28 Apr 2026
Reporting date
Not listed
SEC evidence
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SC 14D9/A File 005-93375

SC 14D9/A

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

4

Filing date
17 Apr 2026
Reporting date
15 Apr 2026
SEC evidence
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SC 14D9/A File 005-93375

SC 14D9/A

Filing date
17 Apr 2026
Reporting date
Not listed
SEC evidence
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SC TO-T/A File 005-93375

SC TO-T/A

Filing date
17 Apr 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 14D9/A File 005-93375

SC 14D9/A

Filing date
01 Apr 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC TO-T/A File 005-93375

SC TO-T/A

Filing date
01 Apr 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

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

4

Filing date
19 Mar 2026
Reporting date
17 Mar 2026
SEC evidence
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SC 14D9 File 005-93375

SC 14D9

Filing date
06 Mar 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
06 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

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

4

Filing date
04 Mar 2026
Reporting date
04 Mar 2026
SEC evidence
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4

4

Filing date
27 Feb 2026
Reporting date
27 Feb 2026
SEC evidence
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144 File 001-41259

144 filing

Filing date
27 Feb 2026
Reporting date
Not listed
SEC evidence
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4

4

Filing date
25 Feb 2026
Reporting date
25 Feb 2026
SEC evidence
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144 File 001-41259

144 filing

Filing date
25 Feb 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13D/A File 005-93375

SCHEDULE 13D/A filing

Filing date
24 Feb 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13D/A File 005-93375

SCHEDULE 13D/A filing

Filing date
24 Feb 2026
Reporting date
Not listed
SEC evidence
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SC14D9C File 005-93375

SC14D9C

Filing date
23 Feb 2026
Reporting date
Not listed
SEC evidence
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SC14D9C File 005-93375

SC14D9C

Filing date
23 Feb 2026
Reporting date
Not listed
SEC evidence
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SC TO-C File 005-93375

SC TO-C

Filing date
23 Feb 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13D File 005-93375

SCHEDULE 13D filing

Filing date
23 Feb 2026
Reporting date
Not listed
SEC evidence
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SC TO-C File 005-93375

SC TO-C

Filing date
23 Feb 2026
Reporting date
Not listed
SEC evidence
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144 File 001-41259

144 filing

Filing date
19 Feb 2026
Reporting date
Not listed
SEC evidence
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4

4

Filing date
19 Feb 2026
Reporting date
19 Feb 2026
SEC evidence
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4

4

Filing date
18 Feb 2026
Reporting date
17 Feb 2026
SEC evidence
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144 File 001-41259

144 filing

Filing date
17 Feb 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A File 005-93375

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 File 005-93375

SCHEDULE 13G filing

Filing date
17 Feb 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
17 Feb 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

4 filing

Filing date
13 Feb 2026
Reporting date
11 Feb 2026
SEC evidence
Open document Open filing
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4

4 filing

Filing date
13 Feb 2026
Reporting date
11 Feb 2026
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
05 Feb 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4

Filing date
20 Jan 2026
Reporting date
20 Jan 2026
SEC evidence
Open document Open filing
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144 File 001-41259

144 filing

Filing date
20 Jan 2026
Reporting date
Not listed
SEC evidence
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144 File 001-41259

144 filing

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

4

Filing date
14 Jan 2026
Reporting date
14 Jan 2026
SEC evidence
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144 File 001-41259

144 filing

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

4

Filing date
13 Jan 2026
Reporting date
13 Jan 2026
SEC evidence
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4

4

Filing date
12 Jan 2026
Reporting date
12 Jan 2026
SEC evidence
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144 File 001-41259

144 filing

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

4

Filing date
06 Jan 2026
Reporting date
02 Jan 2026
SEC evidence
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4

4

Filing date
06 Jan 2026
Reporting date
02 Jan 2026
SEC evidence
Open document Open filing
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4

4

Filing date
06 Jan 2026
Reporting date
02 Jan 2026
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
05 Dec 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4

Filing date
17 Nov 2025
Reporting date
17 Nov 2025
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
05 Nov 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4

Filing date
15 Oct 2025
Reporting date
15 Oct 2025
SEC evidence
Open document Open filing
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144 File 001-41259

144 filing

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

4

Filing date
06 Oct 2025
Reporting date
03 Oct 2025
SEC evidence
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144 File 001-41259

144 filing

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

4

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

4

Filing date
29 Sep 2025
Reporting date
29 Sep 2025
SEC evidence
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4

4

Filing date
26 Sep 2025
Reporting date
26 Sep 2025
SEC evidence
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4

4 filing

Filing date
19 Sep 2025
Reporting date
18 Sep 2025
SEC evidence
Open document Open filing
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144 File 001-41259

144 filing

Filing date
18 Sep 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G File 005-93375

SCHEDULE 13G filing

Filing date
08 Sep 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4 filing

Filing date
29 Aug 2025
Reporting date
28 Aug 2025
SEC evidence
Open document Open filing
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SCHEDULE 13D/A File 005-93375

SCHEDULE 13D/A filing

Filing date
14 Aug 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4

Filing date
14 Aug 2025
Reporting date
12 Aug 2025
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
14 Aug 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4

Filing date
11 Jun 2025
Reporting date
10 Jun 2025
SEC evidence
Open document Open filing
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144 File 001-41259

144 filing

Filing date
10 Jun 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4

Filing date
30 May 2025
Reporting date
29 May 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
30 May 2025
Reporting date
29 May 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
30 May 2025
Reporting date
29 May 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
30 May 2025
Reporting date
29 May 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
30 May 2025
Reporting date
29 May 2025
SEC evidence
Open document Open filing
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4

4

Filing date
30 May 2025
Reporting date
29 May 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
30 May 2025
Reporting date
29 May 2025
SEC evidence
Open document Open filing
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4

4

Filing date
28 May 2025
Reporting date
23 May 2025
SEC evidence
Open document Open filing
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144 File 001-41259

144 filing

Filing date
27 May 2025
Reporting date
Not listed
SEC evidence
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4

4

Filing date
20 May 2025
Reporting date
20 May 2025
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
15 May 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13D/A File 005-93375

SCHEDULE 13D/A filing

Filing date
12 May 2025
Reporting date
Not listed
Next action
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
12 May 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
30 Apr 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4 filing

Filing date
29 Apr 2025
Reporting date
29 Apr 2025
SEC evidence
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144 File 001-41259

144 filing

Filing date
29 Apr 2025
Reporting date
Not listed
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ARS File 001-41259

ARS

Filing date
17 Apr 2025
Reporting date
31 Dec 2024
SEC evidence
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DEFA14A File 001-41259

DEFA14A

Filing date
17 Apr 2025
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-41259

DEF 14A

Filing date
17 Apr 2025
Reporting date
28 May 2025
Next action
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
17 Apr 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
08 Apr 2025
Reporting date
08 Apr 2025
SEC evidence
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4

4 filing

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

4 filing

Filing date
20 Mar 2025
Reporting date
18 Mar 2025
SEC evidence
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3

3 filing

Filing date
20 Mar 2025
Reporting date
18 Mar 2025
SEC evidence
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3

3 filing

Filing date
20 Mar 2025
Reporting date
18 Mar 2025
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4

4 filing

Filing date
18 Mar 2025
Reporting date
18 Mar 2025
SEC evidence
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SCHEDULE 13D/A File 005-93375

SCHEDULE 13D/A filing

Filing date
27 Feb 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
27 Feb 2025
Reporting date
27 Feb 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
26 Feb 2025
Reporting date
26 Feb 2025
SEC evidence
Open document Open filing
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144 File 001-41259

144 filing

Filing date
26 Feb 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
25 Feb 2025
Reporting date
25 Feb 2025
SEC evidence
Open document Open filing
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144 File 001-41259

144 filing

Filing date
25 Feb 2025
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
24 Feb 2025
Reporting date
24 Feb 2025
SEC evidence
Open document Open filing
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144 File 001-41259

144 filing

Filing date
24 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-93375

SCHEDULE 13G/A filing

Filing date
12 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4 filing

Filing date
11 Feb 2025
Reporting date
07 Feb 2025
SEC evidence
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4

4 filing

Filing date
11 Feb 2025
Reporting date
07 Feb 2025
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4

4 filing

Filing date
04 Feb 2025
Reporting date
04 Feb 2025
SEC evidence
Open document Open filing
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SCHEDULE 13G File 005-93375

SCHEDULE 13G filing

Filing date
30 Jan 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4 filing

Filing date
14 Jan 2025
Reporting date
14 Jan 2025
SEC evidence
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4

4 filing

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

4 filing

Filing date
10 Jan 2025
Reporting date
07 Jan 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
10 Jan 2025
Reporting date
07 Jan 2025
SEC evidence
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4/A

4/A filing

Filing date
10 Jan 2025
Reporting date
02 Jan 2025
SEC evidence
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4/A

4/A filing

Filing date
10 Jan 2025
Reporting date
02 Jan 2025
SEC evidence
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4/A

4/A filing

Filing date
10 Jan 2025
Reporting date
02 Jan 2025
SEC evidence
Open document Open filing
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144 File 001-41259

144 filing

Filing date
07 Jan 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-41259

144 filing

Filing date
07 Jan 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
07 Jan 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
07 Jan 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
06 Jan 2025
Reporting date
02 Jan 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
06 Jan 2025
Reporting date
02 Jan 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
06 Jan 2025
Reporting date
02 Jan 2025
SEC evidence
Open document Open filing
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4

4 filing

Filing date
06 Jan 2025
Reporting date
02 Jan 2025
SEC evidence
Open document Open filing
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144 File 001-41259

144 filing

Filing date
03 Jan 2025
Reporting date
Not listed
SEC evidence
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144 File 001-41259

144 filing

Filing date
03 Jan 2025
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Not listed
SEC evidence
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144 File 001-41259

144 filing

Filing date
03 Jan 2025
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Not listed
SEC evidence
Open document Open filing
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4

4 filing

Filing date
26 Dec 2024
Reporting date
24 Dec 2024
SEC evidence
Open document Open filing
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Verify source filing
4

4 filing

Filing date
05 Dec 2024
Reporting date
03 Dec 2024
SEC evidence
Open document Open filing
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SC 13G File 005-93375

SC 13G

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

4 filing

Filing date
19 Nov 2024
Reporting date
15 Nov 2024
SEC evidence
Open document Open filing
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Verify source filing
4

4 filing

Filing date
14 Nov 2024
Reporting date
12 Nov 2024
SEC evidence
Open document Open filing
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Verify source filing
SC 13G/A File 005-93375

SC 13G/A

Filing date
14 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G/A File 005-93375

SC 13G/A

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

4 filing

Filing date
12 Nov 2024
Reporting date
08 Nov 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
12 Nov 2024
Reporting date
07 Nov 2024
SEC evidence
Open document Open filing
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Verify source filing
SC 13G/A File 005-93375

SC 13G/A filing

Filing date
12 Nov 2024
Reporting date
Not listed
SEC evidence
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144 File 001-41259

144 filing

Filing date
08 Nov 2024
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Not listed
SEC evidence
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SC 13D File 005-93375

SC 13D

Filing date
08 Nov 2024
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Not listed
SEC evidence
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144 File 001-41259

144 filing

Filing date
08 Nov 2024
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Not listed
SEC evidence
Open document Open filing
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SC 13G/A File 005-93375

SC 13G/A filing

Filing date
08 Nov 2024
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Not listed
SEC evidence
Open document Open filing
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144 File 001-41259

144 filing

Filing date
07 Nov 2024
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Not listed
SEC evidence
Open document Open filing
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4

4 filing

Filing date
22 Oct 2024
Reporting date
22 Oct 2024
SEC evidence
Open document Open filing
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Verify source filing
144 File 001-41259

144 filing

Filing date
22 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G/A File 005-93375

SC 13G/A filing

Filing date
22 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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Verify source filing
4

4 filing

Filing date
03 Oct 2024
Reporting date
01 Oct 2024
SEC evidence
Open document Open filing
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Verify source filing
4

4 filing

Filing date
17 Sep 2024
Reporting date
17 Sep 2024
SEC evidence
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144 File 001-41259

144 filing

Filing date
17 Sep 2024
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Not listed
SEC evidence
Open document Open filing
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Verify source filing
4

4 filing

Filing date
12 Sep 2024
Reporting date
10 Sep 2024
SEC evidence
Open document Open filing
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Verify source filing
4

4 filing

Filing date
06 Sep 2024
Reporting date
05 Sep 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
03 Sep 2024
Reporting date
03 Sep 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
28 Aug 2024
Reporting date
26 Aug 2024
SEC evidence
Open document Open filing
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Verify source filing
144 File 001-41259

144 filing

Filing date
26 Aug 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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Verify source filing
4

4 filing

Filing date
22 Aug 2024
Reporting date
20 Aug 2024
SEC evidence
Open document Open filing
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Verify source filing
4

4 filing

Filing date
19 Aug 2024
Reporting date
16 Aug 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
02 Aug 2024
Reporting date
01 Aug 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
01 Aug 2024
Reporting date
30 Jul 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
18 Jul 2024
Reporting date
16 Jul 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
12 Jul 2024
Reporting date
11 Jul 2024
SEC evidence
Open document Open filing
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Verify source filing
144 File 001-41259

144 filing

Filing date
11 Jul 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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Verify source filing
4

4 filing

Filing date
11 Jul 2024
Reporting date
09 Jul 2024
SEC evidence
Open document Open filing
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Verify source filing
144 File 001-41259

144 filing

Filing date
09 Jul 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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Verify source filing
4

4

Filing date
03 Jul 2024
Reporting date
01 Jul 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
28 Jun 2024
Reporting date
27 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
28 Jun 2024
Reporting date
26 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
27 Jun 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
26 Jun 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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Verify source filing
4

4 filing

Filing date
14 Jun 2024
Reporting date
12 Jun 2024
SEC evidence
Open document Open filing
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Verify source filing
144 File 001-41259

144 filing

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

4

Filing date
06 Jun 2024
Reporting date
28 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4

Filing date
06 Jun 2024
Reporting date
28 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
06 Jun 2024
Reporting date
28 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
06 Jun 2024
Reporting date
28 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
06 Jun 2024
Reporting date
28 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
06 Jun 2024
Reporting date
28 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
24 May 2024
Reporting date
23 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
24 May 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
4

4 filing

Filing date
18 Apr 2024
Reporting date
16 Apr 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
ARS File 001-41259

ARS

Filing date
11 Apr 2024
Reporting date
31 Dec 2023
SEC evidence
Open document Open filing
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Verify source filing
DEFA14A File 001-41259

DEFA14A

Filing date
11 Apr 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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DEF 14A File 001-41259

DEF 14A

Filing date
11 Apr 2024
Reporting date
24 May 2024
SEC evidence
Open document Open filing
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Verify source filing
SC 13G/A File 005-93375

SC 13G/A filing

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

4 filing

Filing date
03 Apr 2024
Reporting date
01 Apr 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

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

4 filing

Filing date
26 Mar 2024
Reporting date
22 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D/A File 005-93375

SC 13D/A

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

4

Filing date
25 Mar 2024
Reporting date
21 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
22 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
21 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

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

4 filing

Filing date
18 Mar 2024
Reporting date
18 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
18 Mar 2024
Reporting date
15 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
18 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
15 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
07 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-93375

SCHEDULE 13G/A

Filing date
14 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G/A File 005-93375

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 005-93375

SC 13G/A filing

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

4 filing

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

4 filing

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

4 filing

Filing date
09 Feb 2024
Reporting date
07 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
09 Feb 2024
Reporting date
07 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-93375

SC 13G filing

Filing date
09 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
08 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
08 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-93375

SC 13G filing

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

FORM 4 SUBMISSION

Filing date
08 Jan 2024
Reporting date
04 Jan 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
08 Jan 2024
Reporting date
04 Jan 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
08 Jan 2024
Reporting date
04 Jan 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
04 Jan 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
04 Jan 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

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

FORM 4 SUBMISSION

Filing date
04 Jan 2024
Reporting date
02 Jan 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
04 Jan 2024
Reporting date
02 Jan 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
04 Jan 2024
Reporting date
02 Jan 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
S-8 File 333-276346

S-8

Filing date
02 Jan 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
28 Dec 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
3

OWNERSHIP DOCUMENT

Filing date
28 Dec 2023
Reporting date
28 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-93375

SC 13G/A

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

FORM 4 SUBMISSION

Filing date
19 Dec 2023
Reporting date
18 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
18 Dec 2023
Reporting date
14 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
18 Dec 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D/A File 005-93375

SC 13D/A

Filing date
18 Dec 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
14 Dec 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

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

FORM 4 SUBMISSION

Filing date
07 Aug 2023
Reporting date
04 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
04 Aug 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-93375

SC 13G

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

FORM 4 SUBMISSION

Filing date
05 Jul 2023
Reporting date
03 Jul 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
03 Jul 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D/A File 005-93375

NEW ENTERPRISE ASSOCIATES 15, L.P. / ARCELLX, INC. -- SCHEDULE 13D/A(#2)

Filing date
23 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4 SUBMISSION

Filing date
16 Jun 2023
Reporting date
14 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
16 Jun 2023
Reporting date
14 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
16 Jun 2023
Reporting date
14 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
16 Jun 2023
Reporting date
14 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
16 Jun 2023
Reporting date
14 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
16 Jun 2023
Reporting date
14 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
05 Jun 2023
Reporting date
01 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
02 Jun 2023
Reporting date
31 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
02 Jun 2023
Reporting date
31 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D/A File 005-93375

SC 13D/A

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

UPLOAD filing

Filing date
02 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

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

FORM 4 SUBMISSION

Filing date
25 May 2023
Reporting date
23 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
25 May 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
23 May 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D/A File 005-93375

SC 13D/A

Filing date
19 May 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

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

FORM 4 SUBMISSION

Filing date
15 May 2023
Reporting date
11 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
15 May 2023
Reporting date
11 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
11 May 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

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

FORM 4 SUBMISSION

Filing date
11 May 2023
Reporting date
09 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
08 May 2023
Reporting date
05 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3ASR File 333-271731

S-3ASR

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

FORM 4 SUBMISSION

Filing date
05 May 2023
Reporting date
03 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
03 May 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
ARS File 001-41259

ARS

Filing date
28 Apr 2023
Reporting date
31 Dec 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-41259

DEFA14A

Filing date
28 Apr 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 001-41259

DEF 14A

Filing date
28 Apr 2023
Reporting date
13 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
26 Apr 2023
Reporting date
24 Apr 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

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

FORM 4 SUBMISSION

Filing date
20 Apr 2023
Reporting date
18 Apr 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-41259

144 filing

Filing date
19 Apr 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
PRE 14A File 001-41259

PRE 14A

Filing date
14 Apr 2023
Reporting date
13 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
04 Apr 2023
Reporting date
03 Apr 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-93375

SC 13G/A filing

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-93375

SC 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 005-93375

SC 13G/A filing

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

FORM 4 SUBMISSION

Filing date
09 Feb 2023
Reporting date
07 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
09 Feb 2023
Reporting date
07 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-93375

SC 13G/A filing

Filing date
09 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-93375

SC 13G filing

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

FORM 4 SUBMISSION

Filing date
07 Feb 2023
Reporting date
03 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-93375

SC 13G

Filing date
06 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
D File 021-472689

D filing

Filing date
06 Feb 2023
Reporting date
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SC 13D/A File 005-93375

NEW ENTERPRISE ASSOCIATES 15, L.P. / ARCELLX, INC. -- SCHEDULE 13D/A(#1)

Filing date
24 Jan 2023
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4

FORM 4 SUBMISSION

Filing date
05 Jan 2023
Reporting date
03 Jan 2023
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4

FORM 4 SUBMISSION

Filing date
05 Jan 2023
Reporting date
03 Jan 2023
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4

FORM 4 SUBMISSION

Filing date
05 Jan 2023
Reporting date
03 Jan 2023
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S-8 File 333-269105

S-8

Filing date
03 Jan 2023
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4

FORM 4 SUBMISSION

Filing date
27 Dec 2022
Reporting date
23 Dec 2022
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4

FORM 4 SUBMISSION

Filing date
22 Dec 2022
Reporting date
20 Dec 2022
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4

FORM 4 SUBMISSION

Filing date
22 Dec 2022
Reporting date
20 Dec 2022
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4

FORM 4 SUBMISSION

Filing date
22 Dec 2022
Reporting date
20 Dec 2022
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4

FORM 4 SUBMISSION

Filing date
22 Dec 2022
Reporting date
20 Dec 2022
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4

FORM 4 SUBMISSION

Filing date
22 Dec 2022
Reporting date
20 Dec 2022
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4

FORM 4 SUBMISSION

Filing date
22 Dec 2022
Reporting date
20 Dec 2022
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4

FORM 4 SUBMISSION

Filing date
22 Dec 2022
Reporting date
20 Dec 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
22 Dec 2022
Reporting date
20 Dec 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
14 Dec 2022
Reporting date
13 Dec 2022
SEC evidence
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SC 13G/A File 005-93375

SC 13G/A

Filing date
12 Dec 2022
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Not listed
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SC 13G/A File 005-93375

SC 13G/A

Filing date
28 Nov 2022
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Not listed
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4

FORM 4 SUBMISSION

Filing date
30 Sep 2022
Reporting date
28 Sep 2022
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4

FORM 4 SUBMISSION

Filing date
30 Sep 2022
Reporting date
28 Sep 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
30 Sep 2022
Reporting date
28 Sep 2022
SEC evidence
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SC 13G File 005-93375

SC 13G filing

Filing date
29 Aug 2022
Reporting date
Not listed
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NT 10-Q File 001-41259

NT 10-Q

Filing date
16 Aug 2022
Reporting date
30 Jun 2022
SEC evidence
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SC 13G File 005-93375

SC 13G filing

Filing date
27 Jun 2022
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Not listed
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SC 13D/A File 005-93375

SC 13D/A

Filing date
27 Jun 2022
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
23 Jun 2022
Reporting date
21 Jun 2022
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424B4 File 333-265573

424B4

Filing date
16 Jun 2022
Reporting date
Not listed
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EFFECT File 333-265573

EFFECT filing

Filing date
15 Jun 2022
Reporting date
Not listed
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S-1MEF File 333-265646

S-1MEF

Filing date
15 Jun 2022
Reporting date
Not listed
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S-1/A File 333-265573

S-1/A

Filing date
15 Jun 2022
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Not listed
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CORRESP

CORRESP filing

Filing date
14 Jun 2022
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
14 Jun 2022
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
14 Jun 2022
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
14 Jun 2022
Reporting date
Not listed
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S-1 File 333-265573

S-1

Filing date
14 Jun 2022
Reporting date
Not listed
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UPLOAD

UPLOAD filing

Filing date
13 Jun 2022
Reporting date
Not listed
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DRS File 377-06226

DRS filing

Filing date
13 Jun 2022
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
24 May 2022
Reporting date
23 May 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
24 May 2022
Reporting date
23 May 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
17 May 2022
Reporting date
16 May 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
16 May 2022
SEC evidence
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10-K File 001-41259

10-K

Filing date
24 Mar 2022
Reporting date
31 Dec 2021
SEC evidence
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8-K File 001-41259

8-K

Filing date
24 Mar 2022
Reporting date
24 Mar 2022
SEC evidence
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D File 021-436730

D filing

Filing date
10 Mar 2022
Reporting date
Not listed
SEC evidence
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SC 13D File 005-93375

SC 13D

Filing date
17 Feb 2022
Reporting date
Not listed
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8-K File 001-41259

8-K

Filing date
17 Feb 2022
Reporting date
12 Feb 2022
SEC evidence
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SC 13D File 005-93375

NEW ENTERPRISE ASSOCIATES 15, L.P. / ARCELLX, INC. -- SCHEDULE 13D

Filing date
17 Feb 2022
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
10 Feb 2022
Reporting date
08 Feb 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
09 Feb 2022
Reporting date
08 Feb 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
09 Feb 2022
Reporting date
08 Feb 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
09 Feb 2022
Reporting date
08 Feb 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
09 Feb 2022
Reporting date
08 Feb 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
09 Feb 2022
Reporting date
08 Feb 2022
SEC evidence
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SC 13G File 005-93375

SC 13G

Filing date
09 Feb 2022
Reporting date
Not listed
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8-K File 001-41259

8-K

Filing date
09 Feb 2022
Reporting date
08 Feb 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
07 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
07 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
07 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
07 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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S-8 File 333-262571

S-8

Filing date
07 Feb 2022
Reporting date
Not listed
SEC evidence
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424B4 File 333-262191

424B4

Filing date
07 Feb 2022
Reporting date
Not listed
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EFFECT File 333-262191

EFFECT filing

Filing date
03 Feb 2022
Reporting date
Not listed
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
Open document Open filing
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
Open document Open filing
Next action
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
03 Feb 2022
Reporting date
03 Feb 2022
SEC evidence
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SEC STAFF LETTER

SEC STAFF LETTER filing

Filing date
03 Feb 2022
Reporting date
Not listed
SEC evidence
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CERT File 001-41259

CERT filing

Filing date
03 Feb 2022
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
01 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
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CORRESP

CORRESP filing

Filing date
01 Feb 2022
Reporting date
Not listed
SEC evidence
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8-A12B File 001-41259

8-A12B

Filing date
01 Feb 2022
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
31 Jan 2022
Reporting date
Not listed
SEC evidence
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S-1/A File 333-262191

S-1/A

Filing date
31 Jan 2022
Reporting date
Not listed
SEC evidence
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SEC STAFF LETTER

SEC STAFF LETTER filing

Filing date
26 Jan 2022
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
25 Jan 2022
Reporting date
Not listed
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
25 Jan 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
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S-1 File 333-262191

S-1

Filing date
14 Jan 2022
Reporting date
Not listed
SEC evidence
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DRSLTR

DRSLTR filing

Filing date
28 Dec 2021
Reporting date
Not listed
SEC evidence
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DRS/A File 377-03146

DRS/A filing

Filing date
28 Dec 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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UPLOAD

UPLOAD filing

Filing date
22 Dec 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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DRS/A File 377-03146

DRS/A filing

Filing date
19 Nov 2021
Reporting date
Not listed
SEC evidence
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D/A File 021-395298

D/A filing

Filing date
01 Jul 2021
Reporting date
Not listed
SEC evidence
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D File 021-395298

D filing

Filing date
09 Apr 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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UPLOAD

UPLOAD filing

Filing date
25 Jun 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
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DRSLTR

DRSLTR filing

Filing date
09 Jun 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
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DRS/A File 377-03146

DRS/A filing

Filing date
09 Jun 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
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UPLOAD

UPLOAD filing

Filing date
01 Jun 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
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DRS File 377-03146

DRS filing

Filing date
01 May 2020
Reporting date
Not listed
SEC evidence
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D/A File 021-347172

D/A filing

Filing date
15 Oct 2019
Reporting date
Not listed
SEC evidence
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D File 021-347172

D filing

Filing date
22 Aug 2019
Reporting date
Not listed
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About this filer

Arcellx, Inc. files with the SEC under CIK 0001786205. 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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