Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-01-12 Sale | 2026-01-13 5:11 pm | Zymeworks Inc. | ZYME | Hollywood Mark EVP & Chief Operating Officer | 6,120 | $22.67 | $138,762 | 351,247 (Direct) | View |
| 2026-01-12 Sale | 2026-01-12 9:00 pm | Zymeworks Inc. | ZYME | Smith Jeffrey T L EVP & Chief Medical Officer | 9,310 | $22.67 | $211,090 | 62,042 (Direct) | View |
| 2026-01-12 Sale | 2026-01-12 8:32 pm | Zymeworks Inc. | ZYME | Moore Paul Andrew Chief Scientific Officer | 9,560 | $22.67 | $216,759 | 266,831 (Direct) | View |
| 2026-01-12 Sale | 2026-01-12 7:07 pm | Zymeworks Inc. | ZYME | Galbraith Kenneth Chair & CEO | 30,424 | $22.67 | $689,819 | 936,842 (Direct) | View |
| 2026-01-05 Sale | 2026-01-05 8:22 pm | Zymeworks Inc. | ZYME | Smith Jeffrey T L EVP & Chief Medical Officer | 10,538 | $25.1 | $264,471 | 38,352 (Direct) | View |
| 2026-01-05 Sale | 2026-01-05 8:20 pm | Zymeworks Inc. | ZYME | Galbraith Kenneth Chair & CEO | 54,343 | $25.1 | $1,363,841 | 259,934 (Direct) | View |
| 2026-01-05 Sale | 2026-01-05 8:18 pm | Zymeworks Inc. | ZYME | Moore Paul Andrew Chief Scientific Officer | 20,110 | $25.1 | $504,699 | 60,391 (Direct) | View |
| 2025-12-22 Sale | 2025-12-22 5:52 pm | Zymeworks Inc. | ZYME | Galbraith Kenneth Chair & CEO | 47,528 | $27.02 | $1,284,311 | 133,275 (Direct) | View |
| 2025-05-15 Purchase | 2025-05-19 6:35 pm | Zymeworks Inc. | ZYME | EcoR1 Capital LLC NODELMAN OLEG Director 10% Owner | 55,421 | $11.47 | $635,586 | 17,883,908 (Indirect) | View |
| 2025-04-16 Purchase | 2025-04-18 3:17 pm | Zymeworks Inc. | ZYME | EcoR1 Capital LLC NODELMAN OLEG Director 10% Owner | 128,713 | $11.32 | $1,456,408 | 17,828,487 (Indirect) | View |
| 2025-04-03 Purchase | 2025-04-07 6:34 pm | Zymeworks Inc. | ZYME | EcoR1 Capital LLC NODELMAN OLEG Director 10% Owner | 317,208 | $11.42 | $3,623,970 | 17,699,774 (Indirect) | View |
| 2025-03-31 Purchase | 2025-04-02 7:02 pm | Zymeworks Inc. | ZYME | EcoR1 Capital LLC NODELMAN OLEG Director 10% Owner | 127,415 | $11.75 | $1,497,322 | 17,382,566 (Indirect) | View |
| 2025-03-25 Purchase | 2025-03-27 6:53 pm | Zymeworks Inc. | ZYME | EcoR1 Capital LLC NODELMAN OLEG Director 10% Owner | 97,349 | $12.61 | $1,227,309 | 17,255,151 (Indirect) | View |
| 2025-03-20 Purchase | 2025-03-24 5:45 pm | Zymeworks Inc. | ZYME | EcoR1 Capital LLC NODELMAN OLEG Director 10% Owner | 127,198 | $12.92 | $1,643,248 | 17,157,802 (Indirect) | View |
| 2025-03-17 Purchase | 2025-03-19 6:32 pm | Zymeworks Inc. | ZYME | EcoR1 Capital LLC NODELMAN OLEG Director 10% Owner | 228,463 | $12.55 | $2,866,553 | 17,030,604 (Indirect) | View |
| 2025-03-11 Purchase | 2025-03-13 7:35 pm | Zymeworks Inc. | ZYME | EcoR1 Capital LLC NODELMAN OLEG Director 10% Owner | 1,081,980 | $12.13 | $13,120,914 | 16,802,141 (Indirect) | View |
| 2025-01-16 Purchase | 2025-01-21 5:34 pm | Zymeworks Inc. | ZYME | EcoR1 Capital LLC Director 10% Owner | 141,429 | $13.88 | $1,963,538 | 15,720,161 (Indirect) | View |
| 2025-01-13 Purchase | 2025-01-15 6:12 pm | Zymeworks Inc. | ZYME | EcoR1 Capital LLC Director 10% Owner | 167,654 | $13.59 | $2,278,811 | 15,578,732 (Indirect) | View |
| 2025-01-08 Purchase | 2025-01-10 6:27 pm | Zymeworks Inc. | ZYME | EcoR1 Capital LLC Director 10% Owner | 225,119 | $13.21 | $2,974,819 | 15,411,078 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
Ownership | 2026-02-02 8:37 pm | N/A N/A | Zymeworks Inc. | ZYME | Mekan Sabeen SVP & Chief Medical Officer | 0 | $0 | 272,000 (Direct) | View |
| 2026-01-12 Exercise | 2026-01-13 5:11 pm | N/A N/A | Zymeworks Inc. | ZYME | Hollywood Mark EVP & Chief Operating Officer | 17,666 | $0 | 351,247 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-13 5:11 pm | N/A 2036-01-11 | Zymeworks Inc. | ZYME | Hollywood Mark EVP & Chief Operating Officer | 183,000 | $0 | 351,247 (Direct) | View |
Ownership | 2026-01-13 5:04 pm | N/A N/A | Zymeworks Inc. | ZYME | Hollywood Mark EVP & Chief Operating Officer | 0 | $0 | 648,742 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-13 4:30 pm | N/A 2036-01-11 | Zymeworks Inc. | ZYME | Cherry Brian N Director | 38,400 | $0 | 38,400 (Direct) | View |
Ownership | 2026-01-13 4:15 pm | N/A N/A | Zymeworks Inc. | ZYME | Cherry Brian N Director | 0 | $0 | 0 (Direct) | View |
| 2026-01-12 Exercise | 2026-01-12 9:00 pm | N/A N/A | Zymeworks Inc. | ZYME | Smith Jeffrey T L EVP & Chief Medical Officer | 17,666 | $0 | 62,042 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-12 8:59 pm | 2027-01-12 2036-01-11 | Zymeworks Inc. | ZYME | Ciongoli Gregory Austin Director | 19,200 | $0 | 19,200 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-12 8:56 pm | 2027-01-12 2036-01-11 | Zymeworks Inc. | ZYME | Neu Kelvin Director | 19,200 | $0 | 19,200 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-12 8:56 pm | 2027-01-12 2036-01-11 | Zymeworks Inc. | ZYME | Landry Robert E Director | 19,200 | $0 | 19,200 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-12 8:54 pm | 2027-01-12 2036-01-11 | Zymeworks Inc. | ZYME | Cesano Alessandra Director | 19,200 | $0 | 19,200 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-12 8:50 pm | 2027-01-12 2036-01-11 | Zymeworks Inc. | ZYME | Campoy Carlos Director | 19,200 | $0 | 19,200 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-12 8:42 pm | 2027-01-12 2036-01-11 | Zymeworks Inc. | ZYME | Mahony Susan Director | 19,200 | $0 | 19,200 (Direct) | View |
| 2026-01-12 Exercise | 2026-01-12 8:32 pm | N/A N/A | Zymeworks Inc. | ZYME | Moore Paul Andrew Chief Scientific Officer | 17,666 | $0 | 266,831 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-12 8:32 pm | N/A 2036-01-11 | Zymeworks Inc. | ZYME | Moore Paul Andrew Chief Scientific Officer | 183,000 | $0 | 266,831 (Direct) | View |
| 2026-01-12 Exercise | 2026-01-12 7:07 pm | N/A N/A | Zymeworks Inc. | ZYME | Galbraith Kenneth Chair & CEO | 64,000 | $0 | 936,842 (Direct) | View |
| 2026-01-12 Option Award | 2026-01-12 7:07 pm | N/A 2036-01-11 | Zymeworks Inc. | ZYME | Galbraith Kenneth Chair & CEO | 582,000 | $0 | 936,842 (Direct) | View |
| 2026-01-06 Option Award | 2026-01-07 7:37 pm | N/A N/A | Zymeworks Inc. | ZYME | PATTERSON LEONE D EVP, Chief Bus & Fin Officer | 459 | $10.55 | 459 (Direct) | View |
| 2026-01-05 Exercise | 2026-01-05 8:22 pm | N/A N/A | Zymeworks Inc. | ZYME | Smith Jeffrey T L EVP & Chief Medical Officer | 20,000 | $0 | 38,352 (Direct) | View |
| 2026-01-05 Exercise | 2026-01-05 8:20 pm | N/A N/A | Zymeworks Inc. | ZYME | Galbraith Kenneth Chair & CEO | 114,334 | $0 | 259,934 (Direct) | View |
| 2026-01-05 Exercise | 2026-01-05 8:18 pm | N/A N/A | Zymeworks Inc. | ZYME | Moore Paul Andrew Chief Scientific Officer | 37,168 | $0 | 60,391 (Direct) | View |
| 2025-12-22 Exercise | 2025-12-22 5:52 pm | 2025-12-22 2025-12-22 | Zymeworks Inc. | ZYME | Galbraith Kenneth Chair & CEO | 100,000 | $0 | 133,275 (Direct) | View |
| 2025-08-12 Option Award | 2025-08-12 8:30 pm | N/A N/A | Zymeworks Inc. | ZYME | Ciongoli Gregory Austin Director | 415,000 | $12.02 | 555,500 (Direct) | View |
| 2025-08-11 Option Award | 2025-08-12 8:30 pm | N/A 2035-08-10 | Zymeworks Inc. | ZYME | Ciongoli Gregory Austin Director | 62,000 | $0 | 555,500 (Direct) | View |
| 2025-08-11 Option Award | 2025-08-12 8:30 pm | N/A 2035-08-10 | Zymeworks Inc. | ZYME | Landry Robert E Director | 62,000 | $0 | 62,000 (Direct) | View |
Ownership | 2025-08-12 8:00 pm | N/A N/A | Zymeworks Inc. | ZYME | Landry Robert E Director | 0 | $0 | 0 (Direct) | View |
Ownership | 2025-08-12 8:00 pm | N/A N/A | Zymeworks Inc. | ZYME | Ciongoli Gregory Austin Director | 0 | $0 | 78,500 (Direct) | View |
| 2025-06-26 Exercise | 2025-06-27 5:50 pm | N/A N/A | Zymeworks Inc. | ZYME | EcoR1 Capital LLC NODELMAN OLEG Director 10% Owner | 5,086,480 | $0.0001 | 22,970,388 (Indirect) | View |
| 2025-06-26 Tax Withholding | 2025-06-27 5:50 pm | N/A N/A | Zymeworks Inc. | ZYME | EcoR1 Capital LLC NODELMAN OLEG Director 10% Owner | 41 | $12.71 | 22,970,388 (Indirect) | View |
| 2025-06-26 Exercise | 2025-06-27 5:50 pm | 2023-12-26 N/A | Zymeworks Inc. | ZYME | EcoR1 Capital LLC NODELMAN OLEG Director 10% Owner | 5,086,521 | $0 | 22,970,388 (Indirect) | View |
Ownership | 2025-02-18 3:48 pm | N/A N/A | Zymeworks Inc. | ZYME | NODELMAN OLEG Director 10% Owner | 0 | $0 | 20,806,682 (Indirect) | View |
| 2025-01-10 Option Award | 2025-01-10 6:11 pm | N/A 2035-01-09 | Zymeworks Inc. | ZYME | PATTERSON LEONE D EVP, Chief Bus & Fin Officer | 132,000 | $0 | 132,000 (Direct) | View |
| 2025-01-10 Option Award | 2025-01-10 6:07 pm | N/A 2035-01-09 | Zymeworks Inc. | ZYME | Moore Paul Andrew Chief Scientific Officer | 132,000 | $0 | 132,000 (Direct) | View |
| 2025-01-10 Option Award | 2025-01-10 6:03 pm | N/A 2035-01-09 | Zymeworks Inc. | ZYME | Smith Jeffrey T L EVP & Chief Medical Officer | 132,000 | $0 | 132,000 (Direct) | View |
| 2025-01-10 Option Award | 2025-01-10 5:58 pm | N/A 2035-01-09 | Zymeworks Inc. | ZYME | Galbraith Kenneth Chair & CEO | 480,000 | $0 | 480,000 (Direct) | View |