InsiderTrades

Form 4 for ZYME Zymeworks Inc.

Accepted 2025-08-12 00:00:00 ET · period of report 2025-08-11 · accession 0000950170-25-107544 · 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
D 2025-08-12 2025-08-12 ZYME Ciongoli Gregory Austin Dir A - Grant $12.02 +415.0K 488.5K +565% +$4.99M
D 2025-08-12 2025-08-11 ZYME Ciongoli Gregory Austin Dir A - Grant $0.00 +62.0K 62.0K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-12 A A 415,000 $12.02 488,500 D — —
2 Derivative Stock Option (Right to Buy) 2025-08-11 A A 62,000 $0.00 62,000 D $12.44 · — to 2035-08-10 62,000 Common Stock (F2) Stock options vest in 36 equal monthly installments starting one month after grant date of August 11, 2025.