Arkolith/Insider Trading/ZYME/Form 4

Galbraith Kenneth

Chair & CEO, DirectorZymeworks Inc. (ZYME) · full profile →Form 4 · filed Dec 22, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.3M
Net Open-Market Flow
-$1.3M
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Dec 22, 2025Sell(S)48K$27.02$1.3M133K
Dec 22, 2025Option exercise(M)100K—$0181K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Dec 22, 2025Option exercise(M)100K—$00

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-25-329028) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML