GALBRAITH KENNETH

PrivateCIK: 1567045
Location

SURREY, A1

GALBRAITH KENNETH (Chair & CEO) sold 11.8% of their position (30.42K shares) of ZYMEWORKS INC. on the open market

Open‑market sale worth $689.8K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderGALBRAITH KENNETHCIK 1567045
IssuerZYMEWORKS INC.CIK 1937653
DirectorOfficer· Chair & CEO
Since Dec 2022
+551.58K
Net shares
Net buyer
$689.8K
Total sold
1
Open market trades
0B · 1S
6
Total transactions
646K acquired · 94.42K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+64K

Price / share

Trade value

% of position

33.1%
1/12/2026
193.27K257.27K

Common Stock

Direct
S · Sale

Shares

30.42K

Price / share

$22.67

Trade value

$689.82K

% of position

11.8%
1/12/2026
257.27K226.84K
Total

Net shares

+33.58K

Net value

-$689.82K

Derivative Transactions4

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

64K shares

Shares

64K

Strike price

Held after

128K

Exercisable

1/12/2026

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

216K shares

Shares

+216K

Strike price

23.16

Held after

216K

Exercisable

1/12/2026

Restricted Stock Unit

Direct
A · Award
Converts to

Common Stock

144K shares

Shares

+144K

Strike price

Held after

144K

Exercisable

1/12/2026

Performance Stock Unit

Direct
A · Award
Converts to

Common Stock

222K shares

Shares

+222K

Strike price

Held after

222K

Exercisable

1/12/2026
GALBRAITH KENNETH — Insider Transaction (Form 4) Filed Jan 12, 2026 | Finecho