Smith Jeffrey T L, EVP and Chief Medical Officer of Zymeworks Inc. ($ZYME), sold shares on the open market twice in the last 365 days for a total of $476 thousand. His most recent ZYME insider sale occurred on January 12, 2026. These open market sales rank 6,570th among 11,678 individual insiders, below the average sale amount of $8.6 million across 6.4 transactions on average. Smith Jeffrey T L made no open market purchases of ZYME stock in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 12, 2026 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | M | Restricted Stock Unit | 17666 | $0.00 | 35,334.0000 | 75,775,214 | 33.33% | 0.02% |
| Jan. 12, 2026 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | S | Common Stock | 9310 | $22.67 | 26,708.0000 | 75,775,214 | 25.85% | 0.01% |
| Jan. 12, 2026 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | M | Common Stock | 17666 | $0.00 | 36,018.0000 | 75,775,214 | 96.26% | 0.02% |
| Jan. 5, 2026 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | S | Common Stock | 10538 | $25.10 | 18,352.0000 | 75,775,214 | 36.48% | 0.01% |
| Jan. 5, 2026 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | M | Common Stock | 20000 | $0.00 | 28,890.0000 | 75,775,214 | 224.97% | 0.03% |
| Jan. 5, 2026 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | M | Restricted Stock Unit | 20000 | $0.00 | 20,000.0000 | 75,775,214 | 50.00% | 0.03% |
| Jan. 10, 2025 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | A | Stock Option (Right to Buy) | 79000 | $0.00 | 79,000.0000 | 75,878,738 | 9999.99% | 0.10% |
| Jan. 10, 2025 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | A | Restricted Stock Unit | 53000 | $0.00 | 53,000.0000 | 75,878,738 | 9999.99% | 0.07% |
| Jan. 6, 2025 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | M | Restricted Stock Unit | 20000 | $0.00 | 40,000.0000 | 75,878,738 | 33.33% | 0.03% |
| Jan. 6, 2025 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | S | Common Stock | 11110 | $14.92 | 8,890.0000 | 75,878,738 | 55.55% | 0.01% |
| Jan. 6, 2025 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | M | Common Stock | 20000 | $0.00 | 20,000.0000 | 75,878,738 | 9999.99% | 0.03% |
| Jan. 5, 2024 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | A | Restricted Stock Unit | 60000 | $0.00 | 60,000.0000 | 68,863,010 | 9999.99% | 0.09% |
| Jan. 5, 2024 | Zymeworks Inc. | $ZYME | Smith Jeffrey T L | EVP & Chief Medical Officer | A | Stock Option (Right to Buy) | 90000 | $0.00 | 90,000.0000 | 68,863,010 | 9999.99% | 0.13% |