Form 4 for ZYME Zymeworks Inc.
Accepted 2026-01-05 00:00:00 ET · period of report 2026-01-05 · accession 0001193125-26-003097 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-01-05 | 2026-01-05 | ZYME | Galbraith Kenneth | COB, CEO, Dir | M - OptEx | $0.00 | +114.3K | 225.0K | +103% | $0 |
| DM | 2026-01-05 | 2026-01-05 | ZYME | Galbraith Kenneth | COB, CEO, Dir | S - Sale+OE | $25.10 | -54.3K | 158.3K | -26% | -$1.36M |
| DM | 2026-01-05 | 2026-01-05 | ZYME | Galbraith Kenneth | COB, CEO, Dir | M - OptEx | $0.00 | -114.3K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-05 | M | A | 47,668 | $0.00 | 180,943 | D | — | — | (F1) Represents shares of common stock issued upon vesting of one third of the restricted stock units ("RSUs") granted on January 5, 2023. |
| 2 | Common | Common Stock | 2026-01-05 | S | D | 31,686 | $25.10 | 193,266 | D | — | — | (F3) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $24.715 to $25.84, inclusive. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. |
| 3 | Common | Common Stock | 2026-01-05 | S | D | 22,657 | $25.10 | 158,286 | D | — | — | (F3) The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $24.715 to $25.84, inclusive. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price. |
| 4 | Common | Common Stock | 2026-01-05 | M | A | 66,666 | $0.00 | 224,952 | D | — | — | (F4) Represents shares of common stock issued upon vesting of one third of the RSUs granted on January 5, 2024. |
| 5 | Derivative | Restricted Stock Unit | 2026-01-05 | M | D | 66,666 | $0.00 | 66,668 | D | — · — to — | 66,666 Common Stock | (F5) Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. (F7) The RSUS were granted on January 5, 2024 and vest in three equal annual installments beginning on the first anniversary of January 5, 2024. |
| 6 | Derivative | Restricted Stock Unit | 2026-01-05 | M | D | 47,668 | $0.00 | 0 | D | — · — to — | 47,668 Common Stock | (F5) Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. (F6) The RSUS were granted on January 5, 2023 and vest in three equal annual installments beginning on the first anniversary of January 5, 2023. |