ASTLE CHRISTOPHER

PrivateCIK: 1915257
Location

VANCOUVER, A1

ASTLE CHRISTOPHER (SVP & Chief Financial Officer) sold 48.0% of their position (5.99K shares) of ZYMEWORKS INC. on the open market

Open‑market sale worth $64.7K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderASTLE CHRISTOPHERCIK 1915257
IssuerZYMEWORKS INC.CIK 1937653
Officer· SVP & Chief Financial Officer
Since Dec 2022
+74.01K
Net shares
Net buyer
$64.7K
Total sold
2
Open market trades
0B · 2S
6
Total transactions
90.50K acquired · 16.49K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+10.50K

Price / share

Trade value

% of position

525.8%
1/5/2024
2K12.50K

Common Stock

Direct
S · Sale

Shares

4.56K

Price / share

$10.65

Trade value

$48.61K

% of position

36.5%
1/5/2024
12.50K7.93K

Common Stock

Direct
S · Sale

Shares

1.43K

Price / share

$11.22

Trade value

$16.05K

% of position

18.0%
1/8/2024
7.93K6.50K
Total

Net shares

+4.51K

Net value

-$64.66K

Derivative Transactions3

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

10.50K shares

Shares

10.50K

Strike price

Held after

21K

Exercisable

1/5/2024

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

50K shares

Shares

+50K

Strike price

10.56

Held after

50K

Exercisable

1/5/2024

Restricted Stock Unit

Direct
A · Award
Converts to

Common Stock

30K shares

Shares

+30K

Strike price

Held after

30K

Exercisable

1/5/2024
ASTLE CHRISTOPHER — Insider Transaction (Form 4) Filed Jan 8, 2024 | Finecho