Zymeworks (ZYME)Officer sold ~$358K

~$358K

Approx. value · 14K sh @ $25.85

23K

Holds after · shares reported

Traded

Oct 9, 2026

Filed

Oct 9, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Sep 23, 2026Company filing · Form 8-K · Material agreement, Acquisition or saleCompleted buying or selling a business or assets, and signed an important agreement (and 2 more items)“On September 23, 2026, Zymeworks issued a press release announcing the closing of the Merger. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.”
2. Oct 9, 2026 · this disclosureInsiderOfficer sold ~$358K of ZYME shares in the open market

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Zymeworks

For Zymeworks, OQRO holds 2 insider filings (SEC Form 4 or Form 144) and 1 fund holdings report (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its ZYME page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Zymeworks

• SEC Form 144Oct 9, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRMay 29, 2026
• SEC Form 13F-HRMay 15, 2026
• SEC Form 13F-HRMay 14, 2026
• SEC Form 13F-HRFeb 17, 2026

Everything OQRO holds on this company is on its ZYME page.