Filer Snapshot

REGENXBIO Inc.

CIK 0001590877. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Company

Total filings

758

Latest filing

14 Apr 2026

Industry

n/a

Filing-backed research brief

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Latest signal: SEC filing timeline only. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Largest parsed holding

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Populates from the latest parsed 13F information table.

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13D/G large stake

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Source: SEC filing ARS

ARS filed on 14 Apr 2026 for CIK 0001590877.

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Listed symbols
RGNX on Nasdaq
At a glance Names, identifiers, and filing context for this profile. 1 identity field
Business address
9804 Medical Center Drive, Rockville, MD, 20850
EDGAR profile Static EDGAR fields kept behind disclosure so the main profile stays readable. 2 profile fields available
Fiscal year end
31 December
Former names on EDGAR
ReGenX Biosciences, LLC (to 07 Nov 2013)

Filer intelligence

What SEC filings say about REGENXBIO 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.

SEC filing record

CIK 0001590877 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
758
First seen
07 Nov 2013
Latest filing
14 Apr 2026
Entity
Company

Observed form types

ARS DEFA14A DEF 14A PRE 14A SCHEDULE 13G/A 8-K 4 144 10-K 424B5 +36 more

CIK-linked evidence first

REGENXBIO Inc. SEC filings 75901B107 holder history Open SEC filing index

Latest Filings

Showing the latest 12 of 758 SEC filings for REGENXBIO Inc..

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ARS File 001-37553

ARS

Filing date
14 Apr 2026
Reporting date
31 Dec 2025
SEC evidence
Open document Open filing
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DEFA14A File 001-37553

DEFA14A

Filing date
14 Apr 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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DEF 14A File 001-37553

DEF 14A

Filing date
14 Apr 2026
Reporting date
29 May 2026
Next action
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PRE 14A File 001-37553

PRE 14A

Filing date
03 Apr 2026
Reporting date
29 May 2026
Next action
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SCHEDULE 13G/A File 005-89108

SCHEDULE 13G/A filing

Filing date
27 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
12 Mar 2026
Reporting date
10 Mar 2026
SEC evidence
Open document Open filing
Next action
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144 File 001-37553

144 filing

Filing date
10 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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424B5 File 333-291816

424B5

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