Insider Transactions Reported by 28 Insiders of Zymeworks Inc.

Symbol
ZYME on Nasdaq
Location
Middletown, DE

Insiders trading volume in the past year

Zymeworks Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
EcoR1 Capital, LLC Director, 10%+ Owner $341,953,624 +$10,821,076 +3.3% 26 Jun 2025
Oleg Nodelman Director, 10%+ Owner $218,112,518 17 Feb 2025
Redmile Group, LLC 10%+ Owner $30,584,956 13 Oct 2022
Kenneth Galbraith Chair & CEO, Director $8,008,729 -$3,337,971 -29% 12 Jan 2026
Gregory Austin Ciongoli Director $5,938,470 12 Jan 2026
Mark Hollywood EVP & Chief Operating Officer $3,013,602 -$138,762 -4.4% 12 Jan 2026
Paul Andrew Moore Chief Scientific Officer $1,890,573 -$721,457 -28% 12 Jan 2026
Smith Jeffrey T. L. EVP & Chief Medical Officer $1,396,540 -$475,561 -25% 12 Jan 2026
Leone D. Patterson EVP, Chief Bus & Fin Officer $795,819 06 Jan 2026
Christopher Astle SVP & Chief Financial Officer $409,403 05 Jan 2024
Neil Josephson Chief Medical Officer $294,084 10 Nov 2022
Mr. Neil Klompas President & COO $229,258 10 Mar 2023
Scott Platshon Director 22 Feb 2024
Susan Mahony Director 12 Jan 2026
Sabeen Mekan SVP & Chief Medical Officer 01 Feb 2026
Carlos Campoy Director 12 Jan 2026
Derek John Michael Miller Director 10 Dec 2024
Natalie Sacks Director 21 Dec 2022
Hollings Renton Director 07 Dec 2023
Nancy Davidson Director 10 Dec 2024
Kelvin Neu Director 12 Jan 2026
Neil Gallagher Director 10 Dec 2024
Troy Cox Director 10 Dec 2024
Robert E. Landry Director 12 Jan 2026
Brian N. Cherry Director 12 Jan 2026
Lota S. Zoth Director 21 Dec 2022
Alessandra Cesano Director 12 Jan 2026
Kenneth J. Hillan Director 07 Dec 2023

Recent Insider Transactions by Companies or Individuals for Zymeworks Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Mark Hollywood ZYME Common Stock Sale -4.4% $138,762 $22.67 -6,120 132,913 12 Jan 2026 Direct
Mark Hollywood ZYME Common Stock Options Exercise 14.6% 17,666 139,033 12 Jan 2026 Direct
Mark Hollywood ZYME Performance Stock Unit Award 66,000 66,000 12 Jan 2026 Direct
Mark Hollywood ZYME Restricted Stock Unit Award 47,000 47,000 12 Jan 2026 Direct
Mark Hollywood ZYME Stock Option (Right to Buy) Award 70,000 70,000 12 Jan 2026 Direct
Mark Hollywood ZYME Restricted Stock Unit Options Exercise -33.3% -17,666 35,334 12 Jan 2026 Direct
Brian N. Cherry ZYME Restricted Stock Unit Award 15,400 15,400 12 Jan 2026 Direct
Brian N. Cherry ZYME Stock Option (Right to Buy) Award 23,000 23,000 12 Jan 2026 Direct
Smith Jeffrey T. L. ZYME Common Stock Sale -25.8% $211,090 $22.67 -9,310 26,708 12 Jan 2026 Direct
Smith Jeffrey T. L. ZYME Common Stock Options Exercise 96.3% 17,666 36,018 12 Jan 2026 Direct
Smith Jeffrey T. L. ZYME Restricted Stock Unit Options Exercise -33.3% -17,666 35,334 12 Jan 2026 Direct
Gregory Austin Ciongoli ZYME Restricted Stock Unit Award 7,700 7,700 12 Jan 2026 Direct
Gregory Austin Ciongoli ZYME Stock Option (Right to Buy) Award 11,500 11,500 12 Jan 2026 Direct
Kelvin Neu ZYME Restricted Stock Unit Award 7,700 7,700 12 Jan 2026 Direct
Kelvin Neu ZYME Stock Option (Right to Buy) Award 11,500 11,500 12 Jan 2026 Direct
Robert E. Landry ZYME Restricted Stock Unit Award 7,700 7,700 12 Jan 2026 Direct
Robert E. Landry ZYME Stock Option (Right to Buy) Award 11,500 11,500 12 Jan 2026 Direct
Alessandra Cesano ZYME Restricted Stock Unit Award 7,700 7,700 12 Jan 2026 Direct
Alessandra Cesano ZYME Stock Option (Right to Buy) Award 11,500 11,500 12 Jan 2026 Direct
Carlos Campoy ZYME Restricted Stock Unit Award 7,700 7,700 12 Jan 2026 Direct
Carlos Campoy ZYME Stock Option (Right to Buy) Award 11,500 11,500 12 Jan 2026 Direct
Susan Mahony ZYME Restricted Stock Unit Award 7,700 7,700 12 Jan 2026 Direct
Susan Mahony ZYME Stock Option (Right to Buy) Award 11,500 11,500 12 Jan 2026 Direct
Paul Andrew Moore ZYME Common Stock Sale -16.5% $216,759 $22.67 -9,560 48,497 12 Jan 2026 Direct
Paul Andrew Moore ZYME Common Stock Options Exercise 43.7% 17,666 58,057 12 Jan 2026 Direct
Paul Andrew Moore ZYME Performance Stock Unit Award 66,000 66,000 12 Jan 2026 Direct
Paul Andrew Moore ZYME Restricted Stock Unit Award 47,000 47,000 12 Jan 2026 Direct
Paul Andrew Moore ZYME Stock Option (Right to Buy) Award 70,000 70,000 12 Jan 2026 Direct
Paul Andrew Moore ZYME Restricted Stock Unit Options Exercise -33.3% -17,666 35,334 12 Jan 2026 Direct
Kenneth Galbraith ZYME Common Stock Sale -11.8% $689,819 $22.67 -30,424 226,842 12 Jan 2026 Direct
Kenneth Galbraith ZYME Common Stock Options Exercise 33.1% 64,000 257,266 12 Jan 2026 Direct
Kenneth Galbraith ZYME Performance Stock Unit Award 222,000 222,000 12 Jan 2026 Direct
Kenneth Galbraith ZYME Restricted Stock Unit Award 144,000 144,000 12 Jan 2026 Direct
Kenneth Galbraith ZYME Stock Option (Right to Buy) Award 216,000 216,000 12 Jan 2026 Direct
Kenneth Galbraith ZYME Restricted Stock Unit Options Exercise -33.3% -64,000 128,000 12 Jan 2026 Direct
Leone D. Patterson ZYME Common Stock Award 459 459 06 Jan 2026 Direct
Smith Jeffrey T. L. ZYME Common Stock Sale -36.5% $264,471 $25.10 -10,538 18,352 05 Jan 2026 Direct
Smith Jeffrey T. L. ZYME Common Stock Options Exercise 225% 20,000 28,890 05 Jan 2026 Direct
Smith Jeffrey T. L. ZYME Restricted Stock Unit Options Exercise -50% -20,000 20,000 05 Jan 2026 Direct
Kenneth Galbraith ZYME Common Stock Sale -25.6% $1,363,841 $25.10 -54,343 158,286 05 Jan 2026 Direct
Kenneth Galbraith ZYME Common Stock Options Exercise 103.4% 114,334 224,952 05 Jan 2026 Direct
Kenneth Galbraith ZYME Restricted Stock Unit Options Exercise -100% -114,334 0 05 Jan 2026 Direct
Paul Andrew Moore ZYME Common Stock Sale -39.2% $504,699 $25.10 -20,110 31,212 05 Jan 2026 Direct
Paul Andrew Moore ZYME Common Stock Options Exercise 264.6% 37,168 51,212 05 Jan 2026 Direct
Paul Andrew Moore ZYME Restricted Stock Unit Options Exercise -100% -37,168 0 05 Jan 2026 Direct
Kenneth Galbraith ZYME Common Stock Sale -26.3% $1,284,311 $27.02 -47,528 133,275 22 Dec 2025 Direct
Kenneth Galbraith ZYME Common Stock Options Exercise 123.8% 100,000 180,803 22 Dec 2025 Direct
Kenneth Galbraith ZYME Restricted Stock Unit Options Exercise -100% -100,000 0 22 Dec 2025 Direct
Gregory Austin Ciongoli ZYME Common Stock Award 564.6% 415,000 488,500 12 Aug 2025 Direct
Gregory Austin Ciongoli ZYME Stock Option (Right to Buy) Award 62,000 62,000 11 Aug 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.