Company profile
Zymeworks Inc. Insider Trading
ZYMEEvery SEC Form 4 insider trading filing for Zymeworks Inc. (ZYME) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Pharmaceutical Preparations
- CIK
- 0001937653
- Filings
- 74
- Insiders
- 25
- Last filing
- 2026-07-06
Activity summary
No insider transactions in the last 30 days. The most recent was on July 6, 2026, when Mark Hollywood bought 939 shares. 74 filings from 25 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Zymeworks Inc. insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $100.0M.
90 day insight
Over the last 90 days, Zymeworks Inc. insiders bought $21K across 1 transaction with no open-market sales.
- Most active insider: Mark Hollywood with 1 transaction totaling $21K.
- Largest single purchase: $21K by Mark Hollywood on Jul 6, 2026.
Activity skews bullish: buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 6, 2026 | Mark Hollywood | ZYME | Award | 939 | $22.22 | $21K |
| May 13, 2026 | Paul R Schneider | ZYME | Award | 178,000 | — | — |
| May 13, 2026 | Paul R Schneider | ZYME | Award | 119,000 | — | — |
| Apr 9, 2026 | Scott Platshon | ZYME | Award | 70,000 | — | — |
| Apr 9, 2026 | Scott Platshon | ZYME | Award | 47,000 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Zymeworks Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →