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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
2025-01-06 Galbraith Kenneth Chair & CEO Option exercise · Restricted Stock Unit −47,666 47,668
2025-01-06 Galbraith Kenneth Chair & CEO Option exercise · Restricted Stock Unit −66,666 133,334
2025-01-06 Smith Jeffrey T L EVP & Chief Medical Officer Option exercise +20,000 20,000
2025-01-06 Smith Jeffrey T L EVP & Chief Medical Officer Sale −11,110 $14.92 $166K 8,890
2025-01-06 Smith Jeffrey T L EVP & Chief Medical Officer Option exercise · Restricted Stock Unit −20,000 40,000
2025-01-02 EcoR1 Capital, LLC Director Purchase +157,880 $14.78 $2.3M 15,185,959
2024-12-31 EcoR1 Capital, LLC Director Purchase +146,501 $14.57 $2.1M 15,028,079
2024-12-30 EcoR1 Capital, LLC Director Purchase +58,988 $14.47 $853K 14,881,578
2024-12-27 EcoR1 Capital, LLC Director Purchase +101,659 $14.49 $1.5M 14,822,590
2024-12-26 EcoR1 Capital, LLC Director Purchase +16,692 $14.38 $240K 14,720,931
2024-12-24 EcoR1 Capital, LLC Director Purchase +11,958 $14.12 $169K 14,704,239
2024-12-23 EcoR1 Capital, LLC Director Purchase +251,502 $14.25 $3.6M 14,692,281
2024-12-20 EcoR1 Capital, LLC Director Purchase +704,488 $14.08 $9.9M 14,440,779
2024-12-19 EcoR1 Capital, LLC Director Purchase +298,818 $13.53 $4.0M 13,736,291
2024-12-10 Miller Derek John Michael Director Grant or award · Stock Option (Right to Buy) +31,000 31,000
2024-12-10 Campoy Carlos Director Grant or award · Stock Option (Right to Buy) +31,000 31,000
2024-12-10 Cesano Alessandra Director Grant or award · Stock Option (Right to Buy) +31,000 31,000
2024-12-10 Neu Kelvin Director Grant or award · Stock Option (Right to Buy) +31,000 31,000
2024-12-10 Davidson Nancy Director Grant or award · Stock Option (Right to Buy) +31,000 31,000
2024-12-10 Cox Troy Director Grant or award · Stock Option (Right to Buy) +31,000 31,000

Page 7 of 12 · 224 trades