SMITH JEFFREY T L

PrivateCIK: 1604800
Location

BOTHELL, WA

SMITH JEFFREY T L (EVP & Chief Medical Officer) sold 36.5% of their position (10.54K shares) of ZYMEWORKS INC. on the open market

Open‑market sale worth $264.5K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderSMITH JEFFREY T LCIK 1604800
IssuerZYMEWORKS INC.CIK 1937653
Officer· EVP & Chief Medical Officer
Since Jan 2024
-10.54K
Net shares
Net seller
$264.5K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
20K acquired · 30.54K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+20K

Price / share

Trade value

% of position

225.0%
1/5/2026
8.89K28.89K

Common Stock

Direct
S · Sale

Shares

10.54K

Price / share

$25.10

Trade value

$264.47K

% of position

36.5%
1/5/2026
28.89K18.35K
Total

Net shares

+9.46K

Net value

-$264.47K

Derivative Transactions1

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

20K shares

Shares

20K

Strike price

Held after

20K

Exercisable

1/5/2026
SMITH JEFFREY T L — Insider Transaction (Form 4) Filed Jan 5, 2026 | Finecho