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Zymeworks Inc.

ZYME Net buying

CIK 0001937653 #2095 in the set updated 18 Sep 2026

Bought (120 mo)

$89.85M

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$6.50M

$0.00 on a plan · $6.39M straight out of an exercise

Sold at will

$106.28K

3 of 25 sales

Net

+$83.35M

+$89.74M against sales at will

By person

11 insiders · 68 transactions

7.8×

Kenneth Galbraith holds 7.8 times base salary in stock. $5.14M of shares against $654.83K in salary for 2024.

Salary from the company's own proxy. The shares are what Kenneth Galbraith last reported holding, valued at $22.67, the price Common Stock was last bought or sold at on the open market here, on 12 Jan 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

EcoR1 Capital, LLC entity

Director

$89.85M (42)

—

+$89.85M

22,970,388

32.37%

$520.82M

+160.3%

Galbraith Kenneth

Chair & CEO

—

$4.45M (8) scheduled

−$4.45M

226,842

0.3197%

$5.14M

—

Moore Paul Andrew

Chief Scientific Officer

—

$1.14M (7) scheduled

−$1.14M

48,497

0.0683%

$1.10M

—

Smith Jeffrey T L

EVP & Chief Medical Officer

—

$641.37K (3) scheduled

−$641.37K

26,708

0.0376%

$605.56K

—

Hollywood Mark

EVP & Chief Operating Officer

—

$138.76K (1) scheduled

−$138.76K

133,852

0.1886%

$3.03M

+10.3%

Astle Christopher

SVP & Chief Financial Officer

—

$78.08K (4) scheduled

−$78.08K

6,503

0.0092%

$147.45K

+870.6%

Klompas Neil A

President & COO

—

$23.30K (1) scheduled

−$23.30K

17,032

0.0240%

$386.18K

+15.1%

Josephson Neil

Chief Medical Officer

—

$20.05K (1) scheduled

−$20.05K

14,449

0.0204%

$327.61K

+30.9%

Redmile Group, LLC entity

10% owner

—

6,075,918

8.56%

$137.76M

+0.5%

Ciongoli Gregory Austin

Director

—

488,500

0.6884%

$11.08M

+564.6%

PATTERSON LEONE D

EVP, Chief Bus & Fin Officer

—

459

0.0006%

$10.41K

—

Zymeworks Inc.

By person

Individual transactions

What was left out