OmniAb, Inc. SEC filings OABI
OmniAb, Inc. has 387 filings in SEC EDGAR's recent list, going back to Mar 19, 2021. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 2, 2026 | Nov 1, 2026 |
| 10-Q | Quarterly report | Oct 30, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2026 | Oct 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Aug 3, 2026 | Aug 1, 2026 |
| 3 | Initial insider ownership | Jul 13, 2026 | Jul 13, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 13, 2026 | Jul 13, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2026 | Jun 17, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| ARS | Annual report to shareholders | Apr 29, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 29, 2026 | — |
| DEF 14A | Proxy statement | Apr 29, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Apr 21, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 21, 2026 | Apr 21, 2026 |
| 144 | Notice of proposed sale | Apr 7, 2026 | — |
| 4 | Insider transaction | Apr 7, 2026 | Apr 7, 2026 |
| 144 | Notice of proposed sale | Apr 7, 2026 | — |
| 4 | Insider transaction | Apr 7, 2026 | Apr 7, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 7, 2026 |
| 144 | Notice of proposed sale | Apr 7, 2026 | — |
| 10-K | Annual report | Mar 4, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 4, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 16, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 16, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 16, 2026 |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 10, 2026 | — |
| 4 | Insider transaction | Jan 30, 2026 | Jan 30, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jan 30, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 7, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 7, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 7, 2025 |
| 144 | Notice of proposed sale | Dec 8, 2025 | — |
| 144 | Notice of proposed sale | Dec 8, 2025 | — |
| 144 | Notice of proposed sale | Dec 8, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 4 | Insider transaction | Nov 10, 2025 | Nov 6, 2025 |
| 10-Q | Quarterly report | Nov 4, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2025 | Nov 4, 2025 |
| 4 | Insider transaction | Nov 3, 2025 | Nov 1, 2025 |
| 4 | Insider transaction | Nov 3, 2025 | Nov 1, 2025 |
| EFFECT | Filing | Sep 19, 2025 | — |
| CORRESP | Letter to the SEC | Sep 17, 2025 | — |
| UPLOAD | Letter from the SEC | Sep 16, 2025 | — |
| S-3 | Shelf registration | Sep 12, 2025 | — |
| D | Filing | Sep 10, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 27, 2025 | — |
| 4 | Insider transaction | Aug 26, 2025 | Aug 26, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Aug 25, 2025 | Aug 24, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 1, 2025 | — |
| 4 | Insider transaction | Jun 18, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 17, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2025 | Jun 17, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 6, 2025 | — |
| 4 | Insider transaction | May 15, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 14, 2025 | May 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| 4 | Insider transaction | May 13, 2025 | May 12, 2025 |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| ARS | Annual report to shareholders | Apr 29, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 29, 2025 | — |
| DEF 14A | Proxy statement | Apr 29, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Apr 21, 2025 | Apr 21, 2025 |
| 3 | Initial insider ownership | Apr 21, 2025 | Apr 21, 2025 |
| 4 | Insider transaction | Apr 21, 2025 | Apr 21, 2025 |
| 3 | Initial insider ownership | Apr 21, 2025 | Apr 21, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 21, 2025 | Apr 18, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 7, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 7, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 7, 2025 |
| 144 | Notice of proposed sale | Apr 7, 2025 | — |
| 144 | Notice of proposed sale | Apr 7, 2025 | — |
| 144 | Notice of proposed sale | Apr 7, 2025 | — |
| 4 | Insider transaction | Apr 1, 2025 | Apr 1, 2025 |
| 144 | Notice of proposed sale | Apr 1, 2025 | — |
| 4 | Insider transaction | Mar 21, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 20, 2025 |
| S-8 | Employee stock plan registration | Mar 18, 2025 | — |
| 10-K | Annual report | Mar 18, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 18, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 16, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 15, 2025 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 15, 2025 |
| 144 | Notice of proposed sale | Feb 18, 2025 | — |
| 144 | Notice of proposed sale | Feb 18, 2025 | — |
| 144 | Notice of proposed sale | Feb 18, 2025 | — |
| 4 | Insider transaction | Jan 30, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Jan 22, 2025 | Jan 17, 2025 |
| 4 | Insider transaction | Jan 22, 2025 | Jan 17, 2025 |
| 4 | Insider transaction | Jan 22, 2025 | Jan 17, 2025 |
| 144 | Notice of proposed sale | Jan 21, 2025 | — |
| 144 | Notice of proposed sale | Jan 21, 2025 | — |
| 144 | Notice of proposed sale | Jan 21, 2025 | — |
| 4 | Insider transaction | Dec 10, 2024 | Dec 7, 2024 |
| 4 | Insider transaction | Dec 10, 2024 | Dec 7, 2024 |
| 4 | Insider transaction | Dec 10, 2024 | Dec 7, 2024 |
| 144 | Notice of proposed sale | Dec 9, 2024 | — |
| 144 | Notice of proposed sale | Dec 9, 2024 | — |
| 144 | Notice of proposed sale | Dec 9, 2024 | — |
| 4 | Insider transaction | Nov 26, 2024 | Nov 25, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| 4 | Insider transaction | Nov 1, 2024 | Nov 1, 2024 |
| 4 | Insider transaction | Nov 1, 2024 | Nov 1, 2024 |
| UPLOAD | Letter from the SEC | Sep 27, 2024 | — |
| CORRESP | Letter to the SEC | Sep 24, 2024 | — |
| UPLOAD | Letter from the SEC | Sep 11, 2024 | — |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 4 | Insider transaction | Jul 12, 2024 | Jul 12, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 2, 2024 | — |
| 4 | Insider transaction | Jul 2, 2024 | Jun 28, 2024 |
| 8-K |
Current report
Officer or director change
|
Jul 1, 2024 | Jun 27, 2024 |
| 4 | Insider transaction | Jun 27, 2024 | Jun 27, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 24, 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 26, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 18, 2024 |
| 4/A | Form 4/a | Apr 23, 2024 | Nov 1, 2022 |
| 4/A | Form 4/a | Apr 23, 2024 | Nov 1, 2022 |
| 4/A | Form 4/a | Apr 23, 2024 | Nov 1, 2022 |
| 4/A | Form 4/a | Apr 23, 2024 | Nov 1, 2022 |
| 4/A | Form 4/a | Apr 23, 2024 | Nov 1, 2022 |
| 4 | Insider transaction | Apr 9, 2024 | Apr 7, 2024 |
| 4 | Insider transaction | Apr 9, 2024 | Apr 7, 2024 |
| 4 | Insider transaction | Apr 9, 2024 | Apr 7, 2024 |
| 144 | Notice of proposed sale | Apr 8, 2024 | — |
| 144 | Notice of proposed sale | Apr 8, 2024 | — |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| 144 | Notice of proposed sale | Apr 1, 2024 | — |
| 4 | Insider transaction | Mar 29, 2024 | Mar 27, 2024 |
| 10-K | Annual report | Mar 25, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 22, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 20, 2024 | Mar 20, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 16, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 15, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| 4 | Insider transaction | Jan 31, 2024 | Jan 30, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 29, 2024 | — |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 2, 2024 |
| EFFECT | Filing | Dec 18, 2023 | — |
| EFFECT | Filing | Dec 18, 2023 | — |
| CORRESP | Letter to the SEC | Dec 14, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 13, 2023 | — |
| 4 | Insider transaction | Dec 13, 2023 | Dec 12, 2023 |
| 4/A | Primary document | Dec 12, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 11, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 11, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 11, 2023 | Dec 7, 2023 |
| POS AM | Filing | Dec 8, 2023 | — |
| S-3 | Shelf registration | Dec 8, 2023 | — |
| 4 | Insider transaction | Nov 14, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Nov 13, 2023 | Nov 10, 2023 |
| 424B3 | Prospectus | Nov 13, 2023 | — |
| 10-Q | Quarterly report | Nov 9, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2023 | Nov 9, 2023 |
| 4 | Insider transaction | Nov 2, 2023 | Nov 1, 2023 |
| 424B3 | Prospectus | Nov 2, 2023 | — |
| 3 | Initial insider ownership | Nov 1, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Nov 1, 2023 | Nov 1, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 1, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Aug 15, 2023 | Aug 14, 2023 |
| 424B3 | Prospectus | Aug 10, 2023 | — |
| 10-Q | Quarterly report | Aug 10, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2023 | Aug 10, 2023 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Commercial Physical & Biological Research (SIC 8731)
- Listed as
- OABI (Nasdaq), OABIW (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Emeryville, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company, Emerging growth company
- SEC CIK
- 1846253
- Former names
- Avista Public Acquisition Corp. II (until Nov 1, 2022)
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All 17 Services-Commercial Physical & Biological Research companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.