GALBRAITH KENNETH

PrivateCIK: 1567045
Location

SURREY, A1

GALBRAITH KENNETH (Chair & CEO) sold 21.9% of their position (54.34K shares) of ZYMEWORKS INC. on the open market

Open‑market sale worth $1.36M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderGALBRAITH KENNETHCIK 1567045
IssuerZYMEWORKS INC.CIK 1937653
DirectorOfficer· Chair & CEO
Since Dec 2022
-54.34K
Net shares
Net seller
$1.36M
Total sold
2
Open market trades
0B · 2S
6
Total transactions
114.33K acquired · 168.68K disposed
Non-Derivative Transactions4

Common Stock

Direct
M · Option Exercise

Shares

+47.67K

Price / share

Trade value

% of position

35.8%
1/5/2026
133.28K180.94K

Common Stock

Direct
S · Sale

Shares

22.66K

Price / share

$25.10

Trade value

$568.62K

% of position

12.5%
1/5/2026
180.94K158.29K

Common Stock

Direct
M · Option Exercise

Shares

+66.67K

Price / share

Trade value

% of position

42.1%
1/5/2026
158.29K224.95K

Common Stock

Direct
S · Sale

Shares

31.69K

Price / share

$25.10

Trade value

$795.22K

% of position

14.1%
1/5/2026
224.95K193.27K
Total

Net shares

+59.99K

Net value

-$1.36M

Derivative Transactions2

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

47.67K shares

Shares

47.67K

Strike price

Held after

0.00

Exercisable

1/5/2026

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

66.67K shares

Shares

66.67K

Strike price

Held after

66.67K

Exercisable

1/5/2026
GALBRAITH KENNETH — Insider Transaction (Form 4) Filed Jan 5, 2026 | Finecho