InsiderClue
Stocks · Health care · Pharmaceutical Preparations

Zymeworks Inc.

ZYME Clue Score44
United States Fiscal year ends December CIK 0001937653 Results filed 6 Aug 2026
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What the insiders did Net buying

Individual transactions

69
Insider
Date
Role
Action
Shares
Price
Amount
Adam Schayowitz
9 Oct 2026
EVP, Head of R&D
Sold after exercise
13,832
$25.85
$357.56K
Kenneth Galbraith
12 Jan 2026
Chair & CEO
Sold after exercise
30,424
$22.67
$689.82K
Paul Andrew Moore
12 Jan 2026
Chief Scientific Officer
Sold after exercise
9,560
$22.67
$216.76K
Jeffrey T L Smith
12 Jan 2026
EVP & Chief Medical Officer
Sold after exercise
9,310
$22.67
$211.09K
Mark Hollywood
12 Jan 2026
EVP & Chief Operating Officer
Sold after exercise
6,120
$22.67
$138.76K
Paul Andrew Moore
5 Jan 2026
Chief Scientific Officer
Sold after exercise
10,821
$25.10
$271.57K
Paul Andrew Moore
5 Jan 2026
Chief Scientific Officer
Sold after exercise
9,289
$25.10
$233.13K
Kenneth Galbraith
5 Jan 2026
Chair & CEO
Sold after exercise
31,686
$25.10
$795.22K
Kenneth Galbraith
5 Jan 2026
Chair & CEO
Sold after exercise
22,657
$25.10
$568.62K
Jeffrey T L Smith
5 Jan 2026
EVP & Chief Medical Officer
Sold after exercise
10,538
$25.10
$264.47K
Kenneth Galbraith
22 Dec 2025
Chair & CEO
Sold after exercise
47,528
$27.02
$1.28M
EcoR1 Capital, LLC
26 Jun 2025
Director
Exercised, kept indirect
5,086,480
$0.00
$508.65
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
Jeffrey T L Smith
6 Jan 2025
EVP & Chief Medical Officer
Sold after exercise
11,110
$14.92
$165.81K
Kenneth Galbraith
6 Jan 2025
Chair & CEO
Sold after exercise
33,406
$14.92
$498.55K
Kenneth Galbraith
6 Jan 2025
Chair & CEO
Sold after exercise
23,885
$14.92
$356.46K
Paul Andrew Moore
6 Jan 2025
Chief Scientific Officer
Sold after exercise
11,408
$14.92
$170.25K
Paul Andrew Moore
6 Jan 2025
Chief Scientific Officer
Sold after exercise
9,792
$14.92
$146.14K
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
Paul Andrew Moore
8 Jan 2024
Chief Scientific Officer
Sell
2,339
$11.22
$26.23K
Christopher Astle
8 Jan 2024
SVP & Chief Financial Officer
Sell
1,431
$11.22
$16.05K
Kenneth Galbraith
8 Jan 2024
Chair & CEO
Sell
5,706
$11.22
$64.00K
Paul Andrew Moore
5 Jan 2024
Chief Scientific Officer
Sold after exercise
7,460
$10.65
$79.47K
Christopher Astle
5 Jan 2024
SVP & Chief Financial Officer
Sold after exercise
4,563
$10.65
$48.61K
Kenneth Galbraith
5 Jan 2024
Chair & CEO
Sold after exercise
18,198
$10.65
$193.85K
Christopher Astle
11 Dec 2023
SVP & Chief Financial Officer
Sold after exercise
886
$9.13
$8.09K
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
Neil A Klompas
10 Mar 2023
President & COO
Sold after exercise
2,977
$7.83
$23.30K
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
Christopher Astle
12 Dec 2022
SVP & Chief Financial Officer
Sold after exercise
887
$6.01
$5.33K
Neil Josephson
10 Nov 2022
Chief Medical Officer
Sold after exercise
2,475
$8.10
$20.05K

What was left out

Form 4 filings counted 94
Amendments (4/A) skipped 4
Filings about a different issuer 0
Unreadable filings 0
Joint filings 10
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 23
Sales at will 3
Transactions with no price 0
Shares from compensation/vesting 6,219,960
History held since 17 Oct 2022