Filer Snapshot

Annexon, Inc. SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001528115.

Entity Type

Company

Total Filings

495

Latest Filing

07 May 2026

Industry

Pharmaceutical Preparations

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Source: SEC filing 10-Q

10-Q filed on 07 May 2026 for CIK 0001528115.

View Source Filing
Symbol
ANNX on Nasdaq
Industry
Pharmaceutical Preparations (Office Of Life Sciences)
Business address
1400 Sierra Point Parkway, Bldg C, Suite 200, Brisbane, CA, 94005
State of incorporation
DE
Fiscal year end
31 December

Quick Takeaways

  • Annexon, Inc. is an SEC filer tracked under CIK 0001528115.
  • 495 filings are listed on this profile.
  • Common form coverage includes 10-Q, 8-K, ARS and more.

What Changed

  • Latest filing: 10-Q filed on 07 May 2026.
  • Report period: 31 Mar 2026.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC filing 10-Q

10-Q filed on 07 May 2026 for CIK 0001528115.

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Return Loop

Why revisit this filer page

A newly filed 10-Q can change the filing history, ownership context, or next research path for Annexon, Inc..

Latest source-backed update
10-Q filed 07 May 2026
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  • Latest filing on record: 10-Q filed 07 May 2026.
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Latest update

What changed recently for Annexon, Inc.

New fact period available

Latest financial period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

07 May 2026

Page type

Company facts

Latest period

Q1 2026

SEC-backed company facts were refreshed from filings filed on 07 May 2026.

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Benchmark Context

Benchmark context for this company

Annexon, Inc. has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

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Why this is notable

Latest financial period: Q1 2026. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 07 May 2026.
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Company intelligence

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Active modules

3/5

Available company intelligence paths on this page.

Filings

495

SEC submissions provide the evidence trail.

Ownership context

1/3

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SEC filings

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Forms 3/4/5

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Filer Overview

Annexon, Inc. has filed 495 SEC EDGAR filings since 22 Aug 2011. Common forms include 10-Q, 8-K, ARS, DEFA14A and more.

Pharmaceutical Preparations Insider transactions Latest 13F filings

Latest Filings

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

Form type Document Filing Description Filing date Reporting date File number(s)
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 May 2026 31 Mar 2026 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2026 07 May 2026 001-39402
ARS Open ARS document View SEC filing for ARS ARS 27 Apr 2026 31 Dec 2025 001-39402
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 27 Apr 2026 001-39402
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 27 Apr 2026 11 Jun 2026 001-39402
PRE 14A Open PRE 14A document | Open XBRL data View SEC filing for PRE 14A PRE 14A 16 Apr 2026 11 Jun 2026 001-39402
4 Open 4 document View SEC filing for 4 14 Apr 2026 10 Apr 2026
S-3ASR Open S-3ASR document | Open XBRL data View SEC filing for S-3ASR S-3ASR 31 Mar 2026 333-294758
S-8 Open S-8 document | Open XBRL data View SEC filing for S-8 S-8 31 Mar 2026 333-294754
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 30 Mar 2026 31 Dec 2025 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Mar 2026 30 Mar 2026 001-39402
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 26 Mar 2026 005-91583
4 Open 4 document View SEC filing for 4 12 Mar 2026 10 Mar 2026
4 Open 4 document View SEC filing for 4 04 Mar 2026 02 Mar 2026
4 Open 4 document View SEC filing for 4 04 Mar 2026 02 Mar 2026
4 Open 4 document View SEC filing for 4 04 Mar 2026 02 Mar 2026
4 Open 4 document View SEC filing for 4 04 Mar 2026 02 Mar 2026
4 Open 4 document View SEC filing for 4 04 Mar 2026 02 Mar 2026
144 Open 144 document View SEC filing for 144 02 Mar 2026 001-39402
144 Open 144 document View SEC filing for 144 02 Mar 2026 001-39402
144 Open 144 document View SEC filing for 144 02 Mar 2026 001-39402
144 Open 144 document View SEC filing for 144 02 Mar 2026 001-39402
144 Open 144 document View SEC filing for 144 02 Mar 2026 001-39402
4 Open 4 document View SEC filing for 4 23 Feb 2026 19 Feb 2026
4 Open 4 document View SEC filing for 4 23 Feb 2026 19 Feb 2026
4 Open 4 document View SEC filing for 4 23 Feb 2026 19 Feb 2026
4 Open 4 document View SEC filing for 4 23 Feb 2026 19 Feb 2026
4 Open 4 document View SEC filing for 4 23 Feb 2026 19 Feb 2026
4 Open 4 document View SEC filing for 4 23 Feb 2026 19 Feb 2026
4 Open 4 document View SEC filing for 4 20 Feb 2026 18 Feb 2026
4 Open 4 document View SEC filing for 4 20 Feb 2026 18 Feb 2026
4 Open 4 document View SEC filing for 4 20 Feb 2026 18 Feb 2026
4 Open 4 document View SEC filing for 4 20 Feb 2026 18 Feb 2026
4 Open 4 document View SEC filing for 4 20 Feb 2026 18 Feb 2026
144 Open 144 document View SEC filing for 144 18 Feb 2026 001-39402
144 Open 144 document View SEC filing for 144 18 Feb 2026 001-39402
144 Open 144 document View SEC filing for 144 18 Feb 2026 001-39402
144 Open 144 document View SEC filing for 144 18 Feb 2026 001-39402
144 Open 144 document View SEC filing for 144 18 Feb 2026 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Feb 2026 12 Feb 2026 001-39402
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 17 Feb 2026 005-91583
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 05 Feb 2026 005-91583
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 21 Jan 2026 005-91583
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Jan 2026 14 Jan 2026 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Jan 2026 12 Jan 2026 001-39402
4 Open 4 document View SEC filing for 4 02 Jan 2026 30 Dec 2025
4 Open 4 document View SEC filing for 4 03 Dec 2025 01 Dec 2025
4 Open 4 document View SEC filing for 4 03 Dec 2025 01 Dec 2025
4 Open 4 document View SEC filing for 4 21 Nov 2025 20 Nov 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 21 Nov 2025 005-91583
4 Open 4 document View SEC filing for 4 19 Nov 2025 17 Nov 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2025 12 Nov 2025 001-39402
424B5 Open 424B5 document View SEC filing for 424B5 424B5 13 Nov 2025 333-278246
424B5 Open 424B5 document View SEC filing for 424B5 424B5 12 Nov 2025 333-278246
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Nov 2025 30 Sep 2025 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Nov 2025 10 Nov 2025 001-39402
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 05 Nov 2025 005-91583
4 Open 4 document View SEC filing for 4 31 Oct 2025 30 Oct 2025
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 30 Oct 2025 005-91583
4 Open 4 document View SEC filing for 4 02 Oct 2025 30 Sep 2025
4 Open 4 document View SEC filing for 4 04 Sep 2025 02 Sep 2025
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Aug 2025 30 Jun 2025 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Aug 2025 14 Aug 2025 001-39402
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Aug 2025 005-91583
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 06 Aug 2025 005-91583
4 Open 4 document View SEC filing for 4 01 Aug 2025 30 Jul 2025
4 Open 4 document View SEC filing for 4 16 Jul 2025 14 Jul 2025
4 Open 4 document View SEC filing for 4 16 Jul 2025 14 Jul 2025
4 Open 4 document View SEC filing for 4 16 Jul 2025 14 Jul 2025
144 Open 144 document View SEC filing for 144 14 Jul 2025 001-39402
144 Open 144 document View SEC filing for 144 14 Jul 2025 001-39402
144 Open 144 document View SEC filing for 144 14 Jul 2025 001-39402
4 Open 4 document View SEC filing for 4 01 Jul 2025 30 Jun 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Jun 2025 23 Jun 2025 001-39402
4 Open 4 document View SEC filing for 4 09 Jun 2025 05 Jun 2025
4 Open 4 document View SEC filing for 4 09 Jun 2025 05 Jun 2025
4 Open 4 document View SEC filing for 4 09 Jun 2025 05 Jun 2025
4 Open 4 document View SEC filing for 4 09 Jun 2025 05 Jun 2025
4 Open 4 document View SEC filing for 4 09 Jun 2025 05 Jun 2025
4 Open 4 document View SEC filing for 4 09 Jun 2025 05 Jun 2025
4 Open 4 document View SEC filing for 4 09 Jun 2025 05 Jun 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Jun 2025 05 Jun 2025 001-39402
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 15 May 2025 005-91583
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 May 2025 31 Mar 2025 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 May 2025 12 May 2025 001-39402
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 30 Apr 2025 005-91583
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 28 Apr 2025 005-91583
ARS Open ARS document View SEC filing for ARS ARS 23 Apr 2025 31 Dec 2024 001-39402
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA 14A 23 Apr 2025 001-39402
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 23 Apr 2025 05 Jun 2025 001-39402
S-8 Open S-8 document View SEC filing for S-8 S-8 03 Mar 2025 333-285514
4 Open 4 document View SEC filing for 4 03 Mar 2025 27 Feb 2025
4 Open 4 document View SEC filing for 4 03 Mar 2025 27 Feb 2025
4 Open 4 document View SEC filing for 4 03 Mar 2025 27 Feb 2025
4 Open 4 document View SEC filing for 4 03 Mar 2025 27 Feb 2025
4 Open 4 document View SEC filing for 4 03 Mar 2025 27 Feb 2025
4 Open 4 document View SEC filing for 4 03 Mar 2025 27 Feb 2025
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 03 Mar 2025 31 Dec 2024 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Mar 2025 03 Mar 2025 001-39402
4 Open 4 document View SEC filing for 4 20 Feb 2025 18 Feb 2025
4 Open 4 document View SEC filing for 4 20 Feb 2025 18 Feb 2025
4 Open 4 document View SEC filing for 4 20 Feb 2025 18 Feb 2025
4 Open 4 document View SEC filing for 4 20 Feb 2025 18 Feb 2025
4 Open 4 document View SEC filing for 4 20 Feb 2025 18 Feb 2025
4 Open 4 document View SEC filing for 4 18 Feb 2025 13 Feb 2025
4 Open 4 document View SEC filing for 4 18 Feb 2025 13 Feb 2025
4 Open 4 document View SEC filing for 4 18 Feb 2025 13 Feb 2025
4 Open 4 document View SEC filing for 4 18 Feb 2025 13 Feb 2025
144 Open 144 document View SEC filing for 144 18 Feb 2025 001-39402
144 Open 144 document View SEC filing for 144 18 Feb 2025 001-39402
144 Open 144 document View SEC filing for 144 18 Feb 2025 001-39402
144 Open 144 document View SEC filing for 144 18 Feb 2025 001-39402
144 Open 144 document View SEC filing for 144 18 Feb 2025 001-39402
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025 005-91583
144 Open 144 document View SEC filing for 144 13 Feb 2025 001-39402
144 Open 144 document View SEC filing for 144 13 Feb 2025 001-39402
144 Open 144 document View SEC filing for 144 13 Feb 2025 001-39402
144 Open 144 document View SEC filing for 144 13 Feb 2025 001-39402
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 31 Jan 2025 005-91583
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Jan 2025 13 Jan 2025 001-39402
4 Open 4 document View SEC filing for 4 10 Jan 2025 09 Jan 2025
3 Open 3 document View SEC filing for 3 10 Jan 2025 09 Jan 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Jan 2025 10 Jan 2025 001-39402
4 Open 4 document View SEC filing for 4 08 Jan 2025 06 Jan 2025
S-8 Open S-8 document View SEC filing for S-8 S-8 19 Dec 2024 333-283944
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Dec 2024 16 Dec 2024 001-39402
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 06 Dec 2024 005-91583
4 Open 4 document View SEC filing for 4 04 Dec 2024 02 Dec 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Nov 2024 005-91583
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Nov 2024 005-91583
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Nov 2024 005-91583
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 3 TO SCHEDULE 13G 14 Nov 2024 005-91583
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2024 30 Sep 2024 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2024 14 Nov 2024 001-39402
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Nov 2024 005-91583
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 12 Nov 2024 005-91583
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ANNEXON, INC. 12 Nov 2024 005-91583
SC 13G Open SC 13G document View SEC filing for SC 13G 08 Nov 2024 005-91583
4 Open 4 document View SEC filing for 4 01 Nov 2024 30 Oct 2024
SC 13G Open SC 13G document View SEC filing for SC 13G 22 Oct 2024 005-91583
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Oct 2024 21 Oct 2024 001-39402
4 Open 4 document View SEC filing for 4 17 Oct 2024 15 Oct 2024
144 Open 144 document View SEC filing for 144 15 Oct 2024 001-39402
4 Open 4 document View SEC filing for 4 02 Oct 2024 01 Oct 2024
S-8 Open S-8 document View SEC filing for S-8 S-8 27 Sep 2024 333-282360
4 Open 4 document View SEC filing for 4 20 Sep 2024 19 Sep 2024
144 Open 144 document View SEC filing for 144 19 Sep 2024 001-39402
4 Open 4 document View SEC filing for 4 16 Sep 2024 12 Sep 2024
144 Open 144 document View SEC filing for 144 12 Sep 2024 001-39402
4 Open 4 document View SEC filing for 4 06 Sep 2024 05 Sep 2024
144 Open 144 document View SEC filing for 144 05 Sep 2024 001-39402
4 Open 4 document View SEC filing for 4 04 Sep 2024 03 Sep 2024
4 Open 4 document View SEC filing for 4 30 Aug 2024 29 Aug 2024
144 Open 144 document View SEC filing for 144 29 Aug 2024 001-39402
EFFECT Open EFFECT document View SEC filing for EFFECT 15 Aug 2024 333-281493
CORRESP Open CORRESP document View SEC filing for CORRESP 13 Aug 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 13 Aug 2024 333-281493
S-3 Open S-3 document View SEC filing for S-3 S-3 12 Aug 2024 333-281493
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Aug 2024 30 Jun 2024 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Aug 2024 12 Aug 2024 001-39402
4 Open 4 document View SEC filing for 4 05 Aug 2024 01 Aug 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Aug 2024 05 Aug 2024 001-39402
4 Open 4 document View SEC filing for 4 17 Jul 2024 15 Jul 2024
4 Open 4 document View SEC filing for 4 17 Jul 2024 15 Jul 2024
4 Open 4 document View SEC filing for 4 17 Jul 2024 15 Jul 2024
144 Open 144 document View SEC filing for 144 15 Jul 2024 001-39402
144 Open 144 document View SEC filing for 144 15 Jul 2024 001-39402
144 Open 144 document View SEC filing for 144 15 Jul 2024 001-39402
4 Open 4 document View SEC filing for 4 02 Jul 2024 01 Jul 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Jun 2024 25 Jun 2024 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Jun 2024 05 Jun 2024 001-39402
4 Open 4 document View SEC filing for 4 07 Jun 2024 05 Jun 2024
4 Open 4 document View SEC filing for 4 07 Jun 2024 05 Jun 2024
4 Open 4 document View SEC filing for 4 07 Jun 2024 05 Jun 2024
4 Open 4 document View SEC filing for 4 07 Jun 2024 05 Jun 2024
4 Open 4 document View SEC filing for 4 07 Jun 2024 05 Jun 2024
4 Open 4 document View SEC filing for 4 07 Jun 2024 05 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Jun 2024 05 Jun 2024 001-39402
424B5 Open 424B5 document View SEC filing for 424B5 424B5 07 Jun 2024 333-278246
FWP Open FWP document View SEC filing for FWP FWP 06 Jun 2024 333-278246
4 Open 4 document View SEC filing for 4 05 Jun 2024 03 Jun 2024
424B5 Open 424B5 document View SEC filing for 424B5 424B5 04 Jun 2024 333-278246
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Jun 2024 04 Jun 2024 001-39402
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 May 2024 31 Mar 2024 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 May 2024 13 May 2024 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2024 07 May 2024 001-39402
4 Open 4 document View SEC filing for 4 03 May 2024 01 May 2024
ARS Open ARS document View SEC filing for ARS ARS 25 Apr 2024 31 Dec 2023 001-39402
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 25 Apr 2024 001-39402
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 25 Apr 2024 05 Jun 2024 001-39402
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 22 Apr 2024 005-91583
4 Open 4 document View SEC filing for 4 10 Apr 2024 08 Apr 2024
424B5 Open 424B5 document View SEC filing for 424B5 424B5 05 Apr 2024 333-278246
EFFECT Open EFFECT document View SEC filing for EFFECT 01 Apr 2024 333-278246
CORRESP Open CORRESP document View SEC filing for CORRESP 28 Mar 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 Mar 2024 333-278246
S-3 Open S-3 document View SEC filing for S-3 S-3 26 Mar 2024 333-278246
S-8 Open S-8 document View SEC filing for S-8 S-8 26 Mar 2024 333-278244
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 26 Mar 2024 31 Dec 2023 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Mar 2024 26 Mar 2024 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Mar 2024 01 Mar 2024 001-39402
4 Open 4 document View SEC filing for 4 21 Feb 2024 16 Feb 2024
4 Open 4 document View SEC filing for 4 21 Feb 2024 16 Feb 2024
4 Open 4 document View SEC filing for 4 21 Feb 2024 16 Feb 2024
4 Open 4 document View SEC filing for 4 21 Feb 2024 16 Feb 2024
4 Open 4 document View SEC filing for 4 21 Feb 2024 16 Feb 2024
4 Open 4 document View SEC filing for 4 21 Feb 2024 16 Feb 2024
144 Open 144 document View SEC filing for 144 20 Feb 2024 001-39402
144 Open 144 document View SEC filing for 144 20 Feb 2024 001-39402
144 Open 144 document View SEC filing for 144 20 Feb 2024 001-39402
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024 005-91583
4 Open 4 document View SEC filing for 4 14 Feb 2024 12 Feb 2024
4 Open 4 document View SEC filing for 4 14 Feb 2024 12 Feb 2024
4 Open 4 document View SEC filing for 4 14 Feb 2024 12 Feb 2024
4 Open 4 document View SEC filing for 4 14 Feb 2024 12 Feb 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024 005-91583
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024 005-91583
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024 005-91583
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024 005-91583
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 2 TO SCHEDULE 13G 14 Feb 2024 005-91583
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2024 005-91583
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2024 005-91583
SC 13G Open SC 13G document View SEC filing for SC 13G ANNEXON, INC. 12 Feb 2024 005-91583
144 Open 144 document View SEC filing for 144 12 Feb 2024 001-39402
144 Open 144 document View SEC filing for 144 12 Feb 2024 001-39402
144 Open 144 document View SEC filing for 144 12 Feb 2024 001-39402
144 Open 144 document View SEC filing for 144 12 Feb 2024 001-39402
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ANNEXON, INC. 07 Feb 2024 005-91583
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 23 Jan 2024 11 Jul 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Jan 2024 11 Jul 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Jan 2024 11 Jul 2023
SC 13G Open SC 13G document View SEC filing for SC 13G 10 Jan 2024 005-91583
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Jan 2024 07 Jan 2024 001-39402
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Dec 2023 27 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Dec 2023 26 Dec 2023
144 Open 144 document View SEC filing for 144 27 Dec 2023 001-39402
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 22 Dec 2023 20 Dec 2023 001-39402
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Dec 2023 20 Dec 2023 001-39402
424B5 Open 424B5 document View SEC filing for 424B5 424B5 21 Dec 2023 333-258863
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SC 13G Open SC 13G document View SEC filing for SC 13G THE SCHEDULE 13G 26 May 2022 005-91583
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DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 27 Apr 2022 001-39402
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10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Nov 2021 30 Sep 2021 001-39402
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DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 22 Apr 2021 001-39402
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8-K Open 8-K document View SEC filing for 8-K 8-K 01 Mar 2021 25 Feb 2021 001-39402
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SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 16 Feb 2021 005-91583
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SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 12 Feb 2021 005-91583
SC 13G Open SC 13G document View SEC filing for SC 13G NEW ENTERPRISE ASSOCIATES 15, L.P. / ANNEXON, INC. -- 13G 12 Feb 2021 005-91583
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8-K Open 8-K document View SEC filing for 8-K 8-K 11 Jan 2021 11 Jan 2021 001-39402
8-K Open 8-K document View SEC filing for 8-K 8-K 22 Dec 2020 18 Dec 2020 001-39402
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SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 07 Aug 2020 005-91583
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 07 Aug 2020 005-91583
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Jul 2020 28 Jul 2020
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Jul 2020 28 Jul 2020
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D Open D document View SEC filing for D 16 Jul 2020 021-371129
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S-1 Open S-1 document View SEC filing for S-1 S-1 02 Jul 2020 333-239647
DRS/A Open DRS/A document View SEC filing for DRS/A 26 Feb 2020 377-02837
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 06 Dec 2019
DRS/A Open DRS/A document View SEC filing for DRS/A 06 Dec 2019 377-02837
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DRS/A Open DRS/A document View SEC filing for DRS/A 08 Nov 2019 377-02837
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DRS Open DRS document View SEC filing for DRS 18 Sep 2019 377-02837
D Open D document View SEC filing for D 19 Dec 2018 021-328461
D Open D document View SEC filing for D 22 Aug 2011 021-164764

About this filer

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

Industry: Pharmaceutical Preparations.

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