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CIK 0001937653 · Non-accelerated filer<br>Smaller reporting company

Zymeworks Inc.

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Ticker
ZYME
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
883099146
Phone
302-274-8744
Business address
108 PATRIOT DRIVE, SUITE A, MIDDLETOWN, DE, 19709
Former names
Zymeworks Delaware Inc.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$357,557
in 1 filing

Net −$357,557. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Schayowitz Adam −$358K EVP, Head of R&D sold 37% of stake
Date Insider Transaction Shares Price Value Owned after
2025-04-03 EcoR1 Capital, LLC Director Purchase +120,770 $11.84 $1.4M 17,503,336
2025-04-02 EcoR1 Capital, LLC Director Purchase +74,360 $11.85 $881K 17,382,566
2025-04-01 EcoR1 Capital, LLC Director Purchase +48,658 $11.60 $565K 17,308,206
2025-03-31 EcoR1 Capital, LLC Director Purchase +4,397 $11.75 $52K 17,259,548
2025-03-26 EcoR1 Capital, LLC Director Purchase +43,848 $12.24 $537K 17,255,151
2025-03-25 EcoR1 Capital, LLC Director Purchase +53,501 $12.91 $690K 17,211,303
2025-03-24 EcoR1 Capital, LLC Director Purchase +22,689 $13.08 $297K 17,157,802
2025-03-21 EcoR1 Capital, LLC Director Purchase +31,033 $12.78 $397K 17,135,113
2025-03-20 EcoR1 Capital, LLC Director Purchase +73,476 $12.93 $950K 17,104,080
2025-03-19 EcoR1 Capital, LLC Director Purchase +58,306 $12.64 $737K 17,030,604
2025-03-18 EcoR1 Capital, LLC Director Purchase +113,880 $12.65 $1.4M 16,972,298
2025-03-17 EcoR1 Capital, LLC Director Purchase +56,277 $12.23 $688K 16,858,418
2025-03-13 EcoR1 Capital, LLC Director Purchase +468,356 $12.48 $5.8M 16,802,141
2025-03-12 EcoR1 Capital, LLC Director Purchase +292,934 $12.25 $3.6M 16,333,785
2025-03-11 EcoR1 Capital, LLC Director Purchase +320,690 $11.49 $3.7M 16,040,851
2025-01-17 EcoR1 Capital, LLC Director Purchase +19,748 $13.87 $274K 15,720,161
2025-01-16 EcoR1 Capital, LLC Director Purchase +121,681 $13.89 $1.7M 15,700,413
2025-01-15 EcoR1 Capital, LLC Director Purchase +39,029 $14.01 $547K 15,578,732
2025-01-14 EcoR1 Capital, LLC Director Purchase +54,500 $13.56 $739K 15,539,703
2025-01-13 EcoR1 Capital, LLC Director Purchase +74,125 $13.39 $993K 15,485,203

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