Zymeworks Inc.

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

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

EcoR1 Capital, LLC

19 May 2025

Director

Buy indirect

5,919

$11.78

$69.74K

EcoR1 Capital, LLC

15 May 2025

Director

Buy indirect

49,502

$11.43

$565.85K

EcoR1 Capital, LLC

17 Apr 2025

Director

Buy indirect

54,760

$11.52

$630.82K

EcoR1 Capital, LLC

16 Apr 2025

Director

Buy indirect

73,953

$11.16

$825.59K

EcoR1 Capital, LLC

4 Apr 2025

Director

Buy indirect

196,438

$11.17

$2.19M

EcoR1 Capital, LLC

3 Apr 2025

Director

Buy indirect

120,770

$11.84

$1.43M

EcoR1 Capital, LLC

2 Apr 2025

Director

Buy indirect

74,360

$11.85

$881.02K

EcoR1 Capital, LLC

1 Apr 2025

Director

Buy indirect

48,658

$11.60

$564.65K

EcoR1 Capital, LLC

31 Mar 2025

Director

Buy indirect

4,397

$11.75

$51.66K

EcoR1 Capital, LLC

26 Mar 2025

Director

Buy indirect

43,848

$12.24

$536.86K

EcoR1 Capital, LLC

25 Mar 2025

Director

Buy indirect

53,501

$12.91

$690.45K

EcoR1 Capital, LLC

24 Mar 2025

Director

Buy indirect

22,689

$13.08

$296.85K

EcoR1 Capital, LLC

21 Mar 2025

Director

Buy indirect

31,033

$12.78

$396.52K

EcoR1 Capital, LLC

20 Mar 2025

Director

Buy indirect

73,476

$12.93

$949.88K

EcoR1 Capital, LLC

19 Mar 2025

Director

Buy indirect

58,306

$12.64

$737.23K

EcoR1 Capital, LLC

18 Mar 2025

Director

Buy indirect

113,880

$12.65

$1.44M

EcoR1 Capital, LLC

17 Mar 2025

Director

Buy indirect

56,277

$12.23

$688.46K

EcoR1 Capital, LLC

13 Mar 2025

Director

Buy indirect

468,356

$12.48

$5.85M

EcoR1 Capital, LLC

12 Mar 2025

Director

Buy indirect

292,934

$12.25

$3.59M

EcoR1 Capital, LLC

11 Mar 2025

Director

Buy indirect

320,690

$11.49

$3.69M

EcoR1 Capital, LLC

17 Jan 2025

Director

Buy indirect

19,748

$13.87

$274.00K

EcoR1 Capital, LLC

16 Jan 2025

Director

Buy indirect

121,681

$13.89

$1.69M

EcoR1 Capital, LLC

15 Jan 2025

Director

Buy indirect

39,029

$14.01

$546.67K

EcoR1 Capital, LLC

14 Jan 2025

Director

Buy indirect

54,500

$13.56

$739.27K

EcoR1 Capital, LLC

13 Jan 2025

Director

Buy indirect

74,125

$13.39

$992.87K

EcoR1 Capital, LLC

10 Jan 2025

Director

Buy indirect

204,098

$13.13

$2.68M

EcoR1 Capital, LLC

8 Jan 2025

Director

Buy indirect

21,021

$14.07

$295.83K

EcoR1 Capital, LLC

2 Jan 2025

Director

Buy indirect

157,880

$14.78

$2.33M

EcoR1 Capital, LLC

31 Dec 2024

Director

Buy indirect

146,501

$14.57

$2.13M

EcoR1 Capital, LLC

30 Dec 2024

Director

Buy indirect

58,988

$14.47

$853.33K

EcoR1 Capital, LLC

27 Dec 2024

Director

Buy indirect

101,659

$14.49

$1.47M

EcoR1 Capital, LLC

26 Dec 2024

Director

Buy indirect

16,692

$14.38

$240.04K

EcoR1 Capital, LLC

24 Dec 2024

Director

Buy indirect

11,958

$14.12

$168.90K

EcoR1 Capital, LLC

16 Jun 2023

10% owner

Buy indirect

3,350,000

$8.12

$27.20M

EcoR1 Capital, LLC

28 Mar 2023

10% owner

Buy indirect

200,000

$8.00

$1.60M

EcoR1 Capital, LLC

20 Jan 2023

10% owner

Buy indirect

163,400

$9.88

$1.62M

EcoR1 Capital, LLC

19 Jan 2023

10% owner

Buy indirect

144,100

$9.49

$1.37M

EcoR1 Capital, LLC

18 Jan 2023

10% owner

Buy indirect

203,000

$10.00

$2.03M

EcoR1 Capital, LLC

17 Jan 2023

10% owner

Buy indirect

440,000

$9.80

$4.31M

EcoR1 Capital, LLC

13 Jan 2023

10% owner

Buy indirect

342,100

$9.81

$3.35M

EcoR1 Capital, LLC

11 Jan 2023

10% owner

Buy indirect

106,300

$7.87

$836.91K

EcoR1 Capital, LLC

10 Jan 2023

10% owner

Buy indirect

920,000

$7.65

$7.04M

Show all 68 transactions →

By person

Individual transactions

What was left out