Equillium, Inc. SEC filings EQ
Equillium, Inc. has 465 filings in SEC EDGAR's recent list, going back to Aug 3, 2018. Its latest annual report, Form ARS, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 26, 2026 (unregistered share sale, regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 4, 2026 | — |
| 8-K |
Current report
Unregistered share sale, Regulation FD disclosure, Other events
|
Oct 26, 2026 | Oct 26, 2026 |
| 8-K |
Current report
Other events
|
Oct 5, 2026 | Oct 5, 2026 |
| 10-Q | Quarterly report | Aug 13, 2026 | Jun 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 13, 2026 | — |
| 8-K |
Current report
Results of operations
|
Aug 13, 2026 | Aug 13, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2026 | — |
| 144 | Notice of proposed sale | Jun 5, 2026 | — |
| 4 | Insider transaction | Jun 5, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 5, 2026 | Jun 4, 2026 |
| 144 | Notice of proposed sale | Jun 4, 2026 | — |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2026 | May 28, 2026 |
| 144 | Notice of proposed sale | May 27, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 10-Q | Quarterly report | May 13, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 13, 2026 | May 13, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 7, 2026 | — |
| EFFECT | Filing | Apr 16, 2026 | — |
| ARS | Annual report to shareholders | Apr 15, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 15, 2026 | — |
| DEF 14A | Proxy statement | Apr 15, 2026 | May 28, 2026 |
| CORRESP | Letter to the SEC | Apr 14, 2026 | — |
| UPLOAD | Letter from the SEC | Apr 13, 2026 | — |
| S-3 | Shelf registration | Apr 7, 2026 | — |
| PRE 14A | Preliminary proxy statement | Mar 30, 2026 | May 28, 2026 |
| EFFECT | Filing | Mar 25, 2026 | — |
| S-8 | Employee stock plan registration | Mar 25, 2026 | — |
| 10-K | Annual report | Mar 25, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 25, 2026 | Mar 25, 2026 |
| CORRESP | Letter to the SEC | Mar 23, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 20, 2026 | — |
| 4 | Insider transaction | Mar 16, 2026 | Mar 13, 2026 |
| 144 | Notice of proposed sale | Mar 13, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Mar 13, 2026 | Mar 11, 2026 |
| 4/A | Filing | Mar 11, 2026 | Feb 19, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 144 | Notice of proposed sale | Mar 9, 2026 | — |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 144 | Notice of proposed sale | Feb 19, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 6, 2026 | — |
| 4 | Insider transaction | Jan 9, 2026 | Jan 7, 2026 |
| 4 | Insider transaction | Jan 9, 2026 | Jan 7, 2026 |
| 4 | Insider transaction | Jan 9, 2026 | Jan 7, 2026 |
| 4 | Insider transaction | Jan 9, 2026 | Jan 7, 2026 |
| 144 | Notice of proposed sale | Jan 8, 2026 | — |
| 4 | Insider transaction | Dec 23, 2025 | Dec 23, 2025 |
| 144 | Notice of proposed sale | Dec 23, 2025 | — |
| 4 | Insider transaction | Dec 15, 2025 | Dec 12, 2025 |
| 144 | Notice of proposed sale | Dec 12, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 8, 2025 | — |
| 4 | Insider transaction | Nov 25, 2025 | Nov 25, 2025 |
| 144 | Notice of proposed sale | Nov 25, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| S-3 | Shelf registration | Nov 13, 2025 | — |
| 10-Q | Quarterly report | Nov 13, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2025 | Nov 13, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 13, 2025 | — |
| 8-K/A |
Amended current report
Auditor change
|
Oct 24, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Auditor change, Officer or director change, Other events
|
Oct 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Other events
|
Sep 19, 2025 | Sep 19, 2025 |
| 424B5 | Prospectus supplement | Sep 19, 2025 | — |
| EFFECT | Filing | Sep 18, 2025 | — |
| CORRESP | Letter to the SEC | Sep 16, 2025 | — |
| UPLOAD | Letter from the SEC | Sep 16, 2025 | — |
| UPLOAD | Letter from the SEC | Sep 11, 2025 | — |
| CORRESP | Letter to the SEC | Sep 11, 2025 | — |
| S-8 | Employee stock plan registration | Sep 9, 2025 | — |
| S-3 | Shelf registration | Sep 9, 2025 | — |
| UPLOAD | Letter from the SEC | Sep 8, 2025 | — |
| 8-K |
Current report
Other events
|
Sep 4, 2025 | Aug 29, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 29, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 29, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 29, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 29, 2025 |
| 10-Q | Quarterly report | Aug 14, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Aug 11, 2025 | Aug 10, 2025 |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure, Other events
|
Aug 4, 2025 | Aug 3, 2025 |
| 144 | Notice of proposed sale | Jul 8, 2025 | — |
| 8-K |
Current report
Listing notice
|
Jun 13, 2025 | Jun 12, 2025 |
| 144 | Notice of proposed sale | Jun 12, 2025 | — |
| 4 | Insider transaction | May 23, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 23, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 23, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 23, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 23, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 23, 2025 | May 21, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 22, 2025 | May 21, 2025 |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| DEFR14A | Filing | Apr 30, 2025 | — |
| 8-K |
Current report
Results of operations
|
Apr 24, 2025 | Apr 24, 2025 |
| ARS | Annual report to shareholders | Apr 10, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 10, 2025 | — |
| DEF 14A | Proxy statement | Apr 10, 2025 | May 21, 2025 |
| PRE 14A | Preliminary proxy statement | Mar 28, 2025 | May 21, 2025 |
| 10-K | Annual report | Mar 27, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 27, 2025 | Mar 27, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| 8-K |
Current report
Other events
|
Feb 6, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 8-K |
Current report
Listing notice
|
Dec 13, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 11, 2024 |
| 3 | Initial insider ownership | Dec 12, 2024 | Dec 11, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Nov 15, 2024 | Nov 14, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 144 | Notice of proposed sale | Nov 14, 2024 | — |
| 10-Q | Quarterly report | Nov 13, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2024 | Nov 13, 2024 |
| 144 | Notice of proposed sale | Oct 31, 2024 | — |
| 8-K |
Current report
Other events
|
Oct 31, 2024 | Oct 30, 2024 |
| 8-K |
Current report
Other events
|
Oct 31, 2024 | Oct 30, 2024 |
| 4 | Insider transaction | Oct 30, 2024 | Oct 28, 2024 |
| 4 | Insider transaction | Oct 29, 2024 | Oct 25, 2024 |
| 4 | Insider transaction | Sep 27, 2024 | Sep 26, 2024 |
| 4 | Insider transaction | Sep 17, 2024 | Sep 16, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Listing notice
|
Jul 23, 2024 | Jul 19, 2024 |
| 4 | Insider transaction | Jul 18, 2024 | Jul 16, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 18, 2024 | Jul 18, 2024 |
| 144 | Notice of proposed sale | Jul 16, 2024 | — |
| 8-K |
Current report
Other events
|
Jun 4, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 4 | Insider transaction | May 23, 2024 | May 22, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2024 | May 22, 2024 |
| 10-Q | Quarterly report | May 9, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 9, 2024 | May 9, 2024 |
| ARS | Annual report to shareholders | Apr 11, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 11, 2024 | — |
| DEF 14A | Proxy statement | Apr 11, 2024 | May 22, 2024 |
| PRE 14A | Preliminary proxy statement | Apr 1, 2024 | May 22, 2024 |
| 8-K |
Current report
Other events
|
Apr 1, 2024 | Apr 1, 2024 |
| S-8 | Employee stock plan registration | Mar 25, 2024 | — |
| 10-K | Annual report | Mar 25, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 25, 2024 | Mar 25, 2024 |
| 3 | Initial insider ownership | Mar 8, 2024 | Mar 6, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 8, 2024 | Mar 6, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 23, 2024 | Feb 23, 2024 |
| 424B5 | Prospectus supplement | Feb 23, 2024 | — |
| 8-K |
Current report
Other events
|
Feb 22, 2024 | Feb 21, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 19, 2024 | — |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 8-K |
Current report
Other events
|
Dec 21, 2023 | Dec 21, 2023 |
| 10-Q | Quarterly report | Nov 8, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 8, 2023 | Nov 6, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 16, 2023 | Oct 16, 2023 |
| 8-K |
Current report
Material agreement, Agreement ended, Listing notice
|
Oct 5, 2023 | Oct 3, 2023 |
| 424B5 | Prospectus supplement | Oct 5, 2023 | — |
| 10-Q | Quarterly report | Aug 9, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| 8-K |
Current report
Agreement ended
|
May 25, 2023 | May 25, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 22, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 22, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 22, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 22, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 22, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 22, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 23, 2023 | May 22, 2023 |
| 10-Q | Quarterly report | May 11, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 11, 2023 | May 11, 2023 |
| ARS | Annual report to shareholders | Apr 13, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 13, 2023 | — |
| DEF 14A | Proxy statement | Apr 11, 2023 | May 22, 2023 |
| 8-K |
Current report
Listing notice
|
Apr 6, 2023 | Apr 5, 2023 |
| PRE 14A | Preliminary proxy statement | Mar 31, 2023 | May 22, 2023 |
| 10-K | Annual report | Mar 23, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 23, 2023 | Mar 23, 2023 |
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- EQ (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- La Jolla, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1746466
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.