Company facts
- Industry
- Pharmaceutical Preparations
- Headquarters
- Middletown, Delaware
- Most recent report
- 8-K, filed Sep 23, 2026
- Incorporated
- Delaware
- Filings on record
- 330 filings
- On EDGAR
- CIK 1937653
- Fiscal year ends
- December
- Filer status
- Non-accelerated filer, Smaller reporting company
Financials 8 of 17
News 8 of 78
Prospectuses and Registrations 8 of 25
- S-8 Registration statement for an employee plan Mar 2, 2026
- S-8 Registration statement for an employee plan Mar 5, 2025
- S-8 Registration statement for an employee plan Mar 5, 2025
- 424B5 Prospectus supplement for an offering Aug 2, 2024
- 424B5 Prospectus supplement for an offering May 3, 2024
- 424B5 Prospectus supplement for an offering May 3, 2024
- S-3ASR Automatic shelf registration May 2, 2024
- S-3ASR Automatic shelf registration Mar 7, 2024
Proxies 8
- DEFA14A Extra proxy material Nov 10, 2025
- DEF 14A Proxy statement for a shareholder vote Nov 10, 2025
- DEFA14A Extra proxy material Oct 29, 2024
- DEF 14A Proxy statement for a shareholder vote Oct 29, 2024
- DEFA14A Extra proxy material Oct 26, 2023
- DEF 14A Proxy statement for a shareholder vote Oct 26, 2023
- DEFA14A Extra proxy material Dec 8, 2022
- DEF 14A Proxy statement for a shareholder vote Nov 25, 2022
Ownership 8 of 180
- 4 Insider reported a trade Jul 6, 2026
- 4 Insider reported a trade May 15, 2026
- 3 Insider reported their initial holding May 15, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended May 15, 2026
- SCHEDULE 13G Large holder reported a passive stake Apr 15, 2026
- 4 Insider reported a trade Apr 10, 2026
- 4 Insider reported a trade Apr 10, 2026
- 3 Insider reported their initial holding Apr 10, 2026
Other 8 of 22
- ARS Annual report sent to shareholders Nov 10, 2025
- ARS Annual report sent to shareholders Oct 29, 2024
- RW Mar 7, 2024
- D Jan 3, 2024
- ARS Annual report sent to shareholders Oct 26, 2023
- 8-A12B/A Registration of a security for exchange listing, amended Jun 12, 2023
- EFFECT Notice that a registration became effective Apr 28, 2023
- POSASR Mar 7, 2023
Everything here comes from Zymeworks Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.