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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
2026-01-12 Hollywood Mark EVP & Chief Operating Officer Grant or award · Performance Stock Unit +66,000 66,000
2026-01-12 Cherry Brian N Director Grant or award · Stock Option (Right to Buy) +23,000 23,000
2026-01-12 Cherry Brian N Director Grant or award · Restricted Stock Unit +15,400 15,400
2026-01-12 Smith Jeffrey T L EVP & Chief Medical Officer Option exercise +17,666 36,018
2026-01-12 Smith Jeffrey T L EVP & Chief Medical Officer Sale −9,310 $22.67 $211K 26,708
2026-01-12 Smith Jeffrey T L EVP & Chief Medical Officer Option exercise · Restricted Stock Unit −17,666 35,334
2026-01-12 Ciongoli Gregory Austin Director Grant or award · Stock Option (Right to Buy) +11,500 11,500
2026-01-12 Ciongoli Gregory Austin Director Grant or award · Restricted Stock Unit +7,700 7,700
2026-01-12 Neu Kelvin Director Grant or award · Stock Option (Right to Buy) +11,500 11,500
2026-01-12 Neu Kelvin Director Grant or award · Restricted Stock Unit +7,700 7,700
2026-01-12 Landry Robert E Director Grant or award · Stock Option (Right to Buy) +11,500 11,500
2026-01-12 Landry Robert E Director Grant or award · Restricted Stock Unit +7,700 7,700
2026-01-12 Cesano Alessandra Director Grant or award · Stock Option (Right to Buy) +11,500 11,500
2026-01-12 Cesano Alessandra Director Grant or award · Restricted Stock Unit +7,700 7,700
2026-01-12 Campoy Carlos Director Grant or award · Stock Option (Right to Buy) +11,500 11,500
2026-01-12 Campoy Carlos Director Grant or award · Restricted Stock Unit +7,700 7,700
2026-01-12 Mahony Susan Director Grant or award · Stock Option (Right to Buy) +11,500 11,500
2026-01-12 Mahony Susan Director Grant or award · Restricted Stock Unit +7,700 7,700
2026-01-12 Moore Paul Andrew Chief Scientific Officer Option exercise +17,666 58,057
2026-01-12 Moore Paul Andrew Chief Scientific Officer Sale −9,560 $22.67 $217K 48,497

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