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 |
|---|---|---|---|
| 4 | Insider transaction | Oct 9, 2026 | Oct 9, 2026 |
| 144 | Notice of proposed sale | Oct 9, 2026 | — |
| 4 | Insider transaction | Jul 6, 2026 | Jul 6, 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 | — |
| 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 |
| 144 | Notice of proposed sale | Mar 6, 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 | — |
| 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 | — |
| 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 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 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 |
| 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 |
| 4 | Insider transaction | May 19, 2025 | May 15, 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 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 18, 2025 | — |
| 3 | Initial insider ownership | 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 |
| 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 |
| 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 | — |
| 4 | Insider transaction | Sep 3, 2024 | Sep 1, 2024 |
| 3 | Initial insider ownership | Sep 3, 2024 | Sep 1, 2024 |
| 144 | Notice of proposed sale | Jun 11, 2024 | — |
| 4 | Insider transaction | Apr 2, 2024 | Apr 2, 2024 |
| 3 | Initial insider ownership | Apr 2, 2024 | Apr 2, 2024 |
| 3 | Initial insider ownership | Mar 4, 2024 | Feb 22, 2024 |
| SC 13D | Ownership over 5% (active) | 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 | — |
| 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 |
| 4 | Insider transaction | Dec 28, 2023 | Dec 26, 2023 |
| 4 | Insider transaction | Dec 11, 2023 | Dec 11, 2023 |
| 4 | Insider transaction | Dec 8, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 8, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 8, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 8, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 8, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 8, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 8, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 8, 2023 | Dec 7, 2023 |
| 3 | Initial insider ownership | Dec 8, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Jun 30, 2023 | Jun 30, 2023 |
| 3 | Initial insider ownership | Jun 30, 2023 | Jun 30, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 21, 2023 | — |
| 4 | Insider transaction | Jun 21, 2023 | Jun 16, 2023 |
| 4 | Insider transaction | Apr 10, 2023 | Apr 10, 2023 |
| 3 | Initial insider ownership | Apr 10, 2023 | Apr 10, 2023 |
| 4 | Insider transaction | Mar 30, 2023 | Mar 28, 2023 |
| 4 | Insider transaction | Mar 14, 2023 | Mar 10, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 2, 2023 | — |
| 4 | Insider transaction | Jan 23, 2023 | Jan 19, 2023 |
| 4 | Insider transaction | Jan 18, 2023 | Jan 13, 2023 |
| 4 | Insider transaction | Jan 12, 2023 | Jan 10, 2023 |
| 4 | Insider transaction | Jan 6, 2023 | Jan 5, 2023 |
| 4 | Insider transaction | Jan 6, 2023 | Jan 5, 2023 |
| 4 | Insider transaction | Jan 6, 2023 | Jan 5, 2023 |
| 4 | Insider transaction | Jan 6, 2023 | Jan 5, 2023 |
| SC 13G | Ownership over 5% (passive) | Jan 3, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 28, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 28, 2022 | — |
| 4/A | Form 4/a submission | Dec 23, 2022 | Dec 12, 2022 |
| 4/A | Form 4/a submission | Dec 23, 2022 | Nov 10, 2022 |
| 4 | Insider transaction | Dec 23, 2022 | Dec 22, 2022 |
| 4 | Insider transaction | Dec 23, 2022 | Dec 21, 2022 |
| 4 | Insider transaction | Dec 23, 2022 | Dec 21, 2022 |
| 4 | Insider transaction | Dec 23, 2022 | Dec 21, 2022 |
| 4 | Insider transaction | Dec 23, 2022 | Dec 21, 2022 |
| 4 | Insider transaction | Dec 23, 2022 | Dec 21, 2022 |
| 4 | Insider transaction | Dec 23, 2022 | Dec 21, 2022 |
| 4 | Insider transaction | Dec 23, 2022 | Dec 21, 2022 |
| 4 | Insider transaction | Dec 14, 2022 | Dec 12, 2022 |
| 4 | Insider transaction | Nov 14, 2022 | Nov 10, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 1, 2022 | — |
| 3 | Initial insider ownership | Nov 1, 2022 | Oct 31, 2022 |
| SC 13G | Ownership over 5% (passive) | Oct 28, 2022 | — |
| 4/A | Ownership document | Oct 18, 2022 | Oct 13, 2022 |
| 4 | Insider transaction | Oct 17, 2022 | Oct 13, 2022 |
| 3 | Initial insider ownership | Oct 17, 2022 | Oct 13, 2022 |
| 3 | Initial insider ownership | Oct 17, 2022 | Oct 13, 2022 |
| SC 13G | Ownership over 5% (passive) | Oct 17, 2022 | — |
Showing 182 filings. 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.