Zymeworks Inc. SEC filings ZYME
Zymeworks Inc. has 337 filings in SEC EDGAR's recent list, going back to Jul 15, 2022. Its latest annual report, Form ARS, was filed on Oct 26, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 23, 2026 (material agreement, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| ARS | Annual report to shareholders | Oct 26, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Oct 26, 2026 | — |
| DEF 14A | Proxy statement | Oct 26, 2026 | Dec 15, 2026 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Oct 23, 2026 | Oct 22, 2026 |
| PRE 14A | Preliminary proxy statement | Oct 16, 2026 | Dec 15, 2026 |
| 4 | Insider transaction | Oct 9, 2026 | Oct 9, 2026 |
| 144 | Notice of proposed sale | Oct 9, 2026 | — |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Regulation FD disclosure
|
Sep 23, 2026 | Sep 23, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 25, 2026 | Aug 25, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 6, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 6, 2026 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jun 29, 2026 | Jun 28, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 13, 2026 |
| 3 | Initial insider ownership | May 15, 2026 | May 13, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 14, 2026 | May 14, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 7, 2026 | May 7, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 15, 2026 | — |
| 4 | Insider transaction | Apr 10, 2026 | Apr 9, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 9, 2026 |
| 3 | Initial insider ownership | Apr 10, 2026 | Apr 9, 2026 |
| 3 | Initial insider ownership | Apr 10, 2026 | Apr 9, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 6, 2026 |
| 3 | Initial insider ownership | Apr 7, 2026 | Apr 1, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 1, 2026 | Mar 31, 2026 |
| 144 | Notice of proposed sale | Mar 6, 2026 | — |
| S-8 | Employee stock plan registration | Mar 2, 2026 | — |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Mar 2, 2026 | Mar 2, 2026 |
| 10-K | Annual report | Mar 2, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 2, 2026 | Mar 2, 2026 |
| 144 | Notice of proposed sale | Feb 17, 2026 | — |
| 144 | Notice of proposed sale | Feb 13, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2026 | — |
| 3 | Initial insider ownership | Feb 2, 2026 | Feb 1, 2026 |
| 4 | Insider transaction | Jan 13, 2026 | Jan 12, 2026 |
| 3 | Initial insider ownership | Jan 13, 2026 | Jan 9, 2026 |
| 4 | Insider transaction | Jan 13, 2026 | Jan 12, 2026 |
| 3 | Initial insider ownership | Jan 13, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 12, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 12, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 12, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 12, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 12, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 12, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 12, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 12, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 12, 2026 | Jan 12, 2026 |
| 144 | Notice of proposed sale | Jan 12, 2026 | — |
| 144 | Notice of proposed sale | Jan 12, 2026 | — |
| 144 | Notice of proposed sale | Jan 12, 2026 | — |
| 144 | Notice of proposed sale | Jan 12, 2026 | — |
| 144 | Notice of proposed sale | Jan 12, 2026 | — |
| 8-K |
Current report
Results of operations, Officer or director change, Other events
|
Jan 12, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 7, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 5, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 5, 2026 |
| 144 | Notice of proposed sale | Jan 5, 2026 | — |
| 144 | Notice of proposed sale | Jan 5, 2026 | — |
| 144 | Notice of proposed sale | Jan 5, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
Dec 30, 2025 | Dec 30, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 22, 2025 |
| 144 | Notice of proposed sale | Dec 22, 2025 | — |
| 144 | Notice of proposed sale | Nov 24, 2025 | — |
| 144 | Notice of proposed sale | Nov 21, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 19, 2025 | — |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Nov 18, 2025 | Nov 16, 2025 |
| 8-K |
Current report
Other events
|
Nov 17, 2025 | Nov 17, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| ARS | Annual report to shareholders | Nov 10, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Nov 10, 2025 | — |
| DEF 14A | Proxy statement | Nov 10, 2025 | Dec 30, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 6, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 2, 2025 | Sep 2, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 4 | Insider transaction | Aug 12, 2025 | Aug 11, 2025 |
| 4 | Insider transaction | Aug 12, 2025 | Aug 11, 2025 |
| 3 | Initial insider ownership | Aug 12, 2025 | Aug 10, 2025 |
| 3 | Initial insider ownership | Aug 12, 2025 | Aug 10, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Officer or director change, Other events
|
Aug 11, 2025 | Aug 9, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 7, 2025 | Aug 7, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 16, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Jun 27, 2025 | — |
| 4 | Insider transaction | Jun 27, 2025 | Jun 26, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jun 27, 2025 | Jun 26, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 30, 2025 | May 30, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 8, 2025 | May 8, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 7, 2025 | — |
| 4 | Insider transaction | Apr 18, 2025 | Apr 16, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 8, 2025 | — |
| 4 | Insider transaction | Apr 7, 2025 | Apr 3, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | Mar 27, 2025 | Mar 25, 2025 |
| 4 | Insider transaction | Mar 24, 2025 | Mar 20, 2025 |
| 4 | Insider transaction | Mar 19, 2025 | Mar 17, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 17, 2025 | — |
| 4 | Insider transaction | Mar 13, 2025 | Mar 11, 2025 |
| S-8 | Employee stock plan registration | Mar 5, 2025 | — |
| S-8 | Employee stock plan registration | Mar 5, 2025 | — |
| 10-K | Annual report | Mar 5, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 5, 2025 | Mar 5, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 18, 2025 | — |
| 3 | Initial insider ownership | Feb 18, 2025 | Feb 17, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 18, 2025 | Feb 17, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Jan 21, 2025 | Jan 16, 2025 |
| 4 | Insider transaction | Jan 15, 2025 | Jan 13, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 13, 2025 | — |
| 4 | Insider transaction | Jan 10, 2025 | Jan 8, 2025 |
| 4 | Insider transaction | Jan 10, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 10, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 10, 2025 | Jan 10, 2025 |
| 4 | Insider transaction | Jan 10, 2025 | Jan 10, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 8, 2025 | Jan 8, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 6, 2025 |
| 144 | Notice of proposed sale | Jan 6, 2025 | — |
| 144 | Notice of proposed sale | Jan 6, 2025 | — |
| 144 | Notice of proposed sale | Jan 6, 2025 | — |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| 4 | Insider transaction | Dec 27, 2024 | Dec 24, 2024 |
| 4/A | Filing | Dec 26, 2024 | Dec 19, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 23, 2024 | — |
| 4 | Insider transaction | Dec 23, 2024 | Dec 26, 2023 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Dec 11, 2024 | Dec 10, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 21, 2024 | Nov 21, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 13, 2024 | — |
| 10-Q | Quarterly report | Oct 31, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 31, 2024 | Oct 31, 2024 |
| ARS | Annual report to shareholders | Oct 29, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Oct 29, 2024 | — |
| DEF 14A | Proxy statement | Oct 29, 2024 | Dec 10, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Oct 18, 2024 | Oct 15, 2024 |
| 4 | Insider transaction | Sep 3, 2024 | Sep 1, 2024 |
| 3 | Initial insider ownership | Sep 3, 2024 | Sep 1, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 3, 2024 | Aug 30, 2024 |
| 8-K |
Current report
Material agreement
|
Aug 2, 2024 | Aug 2, 2024 |
| 424B5 | Prospectus supplement | Aug 2, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 1, 2024 | Aug 1, 2024 |
| 10-Q | Quarterly report | Aug 1, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 1, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Officer or director change
|
Jul 25, 2024 | Jul 19, 2024 |
| 144 | Notice of proposed sale | Jun 11, 2024 | — |
| 8-K |
Current report
Other events
|
Jun 10, 2024 | Jun 10, 2024 |
| 8-K |
Current report
Other events
|
May 3, 2024 | May 3, 2024 |
| 424B5 | Prospectus supplement | May 3, 2024 | — |
| 424B5 | Prospectus supplement | May 3, 2024 | — |
| S-3ASR | Automatic shelf registration | May 2, 2024 | — |
| 10-Q | Quarterly report | May 2, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 2, 2024 | May 2, 2024 |
| 8-K |
Current report
Officer or director change
|
Apr 4, 2024 | Apr 3, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Apr 2, 2024 |
| 3 | Initial insider ownership | Apr 2, 2024 | Apr 2, 2024 |
| 8-K |
Current report
Officer or director change
|
Apr 1, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 28, 2024 | Mar 27, 2024 |
| S-3ASR | Automatic shelf registration | Mar 7, 2024 | — |
| RW | Filing | Mar 7, 2024 | — |
| S-8 | Employee stock plan registration | Mar 7, 2024 | — |
| S-3 | Shelf registration | Mar 6, 2024 | — |
| 10-K | Annual report | Mar 6, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 6, 2024 | Mar 6, 2024 |
| 3 | Initial insider ownership | Mar 4, 2024 | Feb 22, 2024 |
| SC 13D | Ownership over 5% (active) | Feb 22, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Feb 22, 2024 | Feb 22, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 4 | Insider transaction | Feb 9, 2024 | Feb 8, 2024 |
| 3 | Initial insider ownership | Feb 9, 2024 | Feb 8, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 8, 2024 | Feb 6, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 29, 2024 | — |
| 4 | Insider transaction | Jan 8, 2024 | Jan 5, 2024 |
| 4 | Insider transaction | Jan 8, 2024 | Jan 5, 2024 |
| 4 | Insider transaction | Jan 8, 2024 | Jan 5, 2024 |
| 4 | Insider transaction | Jan 8, 2024 | Jan 5, 2024 |
| 144 | Notice of proposed sale | Jan 5, 2024 | — |
| 144 | Notice of proposed sale | Jan 5, 2024 | — |
| 144 | Notice of proposed sale | Jan 5, 2024 | — |
| 3 | Initial insider ownership | Jan 5, 2024 | Jan 3, 2024 |
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
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ZYME (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Middletown, DE
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1937653
- Former names
- Zymeworks Delaware Inc. (until Oct 13, 2022)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.