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ZYME
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Zymeworks Inc.

ZYME · Healthcare · Zymeworks Inc., a biotechnology company, develops biotherapeutics for the treatment of cancer, inflammation, and autoimmune diseases

Zymeworks Inc. (ZYME), in the Healthcare sector, has 9 disclosed filings on Paydirt over the trailing twelve months from 5 corporate insiders: 0 purchases and 9 sales. Filers took a median of 0 days from execution to disclosure, and the most recent trade was executed Oct 9 and filed Oct 9. The most active filer was Kenneth Galbraith with 3 filings. Data as of Nov 8 2026.

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Filings, ttm
9
0 buys · 9 sells
Traders, ttm
5
5 insiders
Volume, ttmiDollar value disclosed in the window
$5.0M
estimated for Congress, as filed for insiders
Median delay
0d
execution to disclosure
Last traded
Oct 9
Filed Oct 9
ADViAverage daily dollar volume
$18.1M
market data
Share price · 12M
$25.03 (+38.7%)
$31.05$24.55$18.05Nov 10 2025Apr 30Oct 16

Adjusted for splits and dividends.

Volume by month
$19.4M$9.7M$0Dec 2024Jun 2025Dec 2025Jun 2026Dec 2024 · buys $19.4MJan 2025 · buys $12.5MJan 2025 · sells $1.3MMar 2025 · buys $18.9MApr 2025 · buys $6.5MMay 2025 · buys $566KDec 2025 · sells $1.3MJan 2026 · sells $3.4MOct 2026 · sells $358K
Buys $57.9M Sells $6.4M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed · past 24 months
EL EcoR1 Capital, LLC Director 12 filings · 12 buys, 0 sales KG Kenneth Galbraith Chair & CEO 4 filings · 0 buys, 4 sales PM Paul Andrew Moore Chief Scientific Officer 3 filings · 0 buys, 3 sales JS Jeffrey T L Smith EVP & Chief Medical Officer 3 filings · 0 buys, 3 sales ON Oleg Nodelman Director 2 filings · 2 buys, 0 sales MH Mark Hollywood EVP & Chief Operating Officer 1 filing · 0 buys, 1 sale AS Adam Schayowitz EVP, Head of R&D 1 filing · 0 buys, 1 sale
Recent filings
Adam SchayowitzSALE EVP, Head of R&D $358K
13,832 sh × $25.85
Exec Oct 9
Filed Oct 9 · 6:28 PM ET Mark HollywoodSALE EVP & Chief Operating Officer $139K
6,120 sh × $22.67
Exec Jan 12
Filed Jan 13 · 5:30 PM ET Kenneth GalbraithSALE Chair & CEO $690K
30,424 sh × $22.67
Exec Jan 12
Filed Jan 12 · 5:30 PM ET Paul Andrew MooreSALE Chief Scientific Officer $217K
9,560 sh × $22.67
Exec Jan 12
Filed Jan 12 · 5:30 PM ET Jeffrey T L SmithSALE EVP & Chief Medical Officer $211K
9,310 sh × $22.67
Exec Jan 12
Filed Jan 12 · 5:30 PM ET Paul Andrew MooreSALE Chief Scientific Officer $505K
20,110 sh across 2 lots
Exec Jan 5
Filed Jan 5 · 5:30 PM ET Kenneth GalbraithSALE Chair & CEO $1.4M
54,343 sh across 2 lots
Exec Jan 5
Filed Jan 5 · 5:30 PM ET Jeffrey T L SmithSALE EVP & Chief Medical Officer $265K
10,538 sh × $25.10
Exec Jan 5
Filed Jan 5 · 5:30 PM ET Kenneth GalbraithSALE Chair & CEO $1.3M
47,528 sh × $27.02
Exec Dec 22 2025
Filed Dec 22 2025 · 5:30 PM ET EcoR1 Capital, LLCPURCHASE Director $566K
49,502 sh × $11.43
Exec May 15 2025
Filed May 19 2025 · 5:30 PM ET EcoR1 Capital, LLCPURCHASE Director $1.5M
128,713 sh across 2 lots
Exec Apr 16 2025
Filed Apr 18 2025 · 5:30 PM ET Oleg NodelmanPURCHASE Director $3.6M
317,208 sh across 2 lots
Exec Apr 3 2025
Filed Apr 7 2025 · 5:30 PM ET EcoR1 Capital, LLCPURCHASE Director $1.4M
123,018 sh across 2 lots
Exec Apr 1 2025
Filed Apr 2 2025 · 5:30 PM ET EcoR1 Capital, LLCPURCHASE Director $1.2M
97,349 sh across 2 lots
Exec Mar 25 2025
Filed Mar 27 2025 · 5:30 PM ET EcoR1 Capital, LLCPURCHASE Director $1.6M
127,198 sh across 3 lots
Exec Mar 20 2025
Filed Mar 24 2025 · 5:30 PM ET EcoR1 Capital, LLCPURCHASE Director $2.9M
228,463 sh across 3 lots
Exec Mar 17 2025
Filed Mar 19 2025 · 5:30 PM ET Oleg NodelmanPURCHASE Director $13.1M
1,081,980 sh across 3 lots
Exec Mar 11 2025
Filed Mar 13 2025 · 5:30 PM ET EcoR1 Capital, LLCPURCHASE Director $2.0M
141,429 sh across 2 lots
Exec Jan 16 2025
Filed Jan 21 2025 · 5:30 PM ET EcoR1 Capital, LLCPURCHASE Director $2.3M
167,654 sh across 3 lots
Exec Jan 13 2025
Filed Jan 15 2025 · 5:30 PM ET EcoR1 Capital, LLCPURCHASE Director $3.0M
225,119 sh across 2 lots
Exec Jan 8 2025
Filed Jan 10 2025 · 5:30 PM ET Jeffrey T L SmithSALE EVP & Chief Medical Officer $166K
11,110 sh × $14.92
Exec Jan 6 2025
Filed Jan 6 2025 · 5:30 PM ET Kenneth GalbraithSALE Chair & CEO $855K
57,291 sh across 2 lots
Exec Jan 6 2025
Filed Jan 6 2025 · 5:30 PM ET Paul Andrew MooreSALE Chief Scientific Officer $316K
21,200 sh across 2 lots
Exec Jan 6 2025
Filed Jan 6 2025 · 5:30 PM ET EcoR1 Capital, LLCPURCHASE Director $5.3M
363,369 sh across 3 lots
Exec Dec 30 2024
Filed Jan 2 2025 · 5:30 PM ET EcoR1 Capital, LLCPURCHASE Director $1.9M
130,309 sh across 3 lots
Exec Dec 24 2024
Filed Dec 27 2024 · 5:30 PM ET