Stocks
ZYME Zymeworks Inc.

ZYME

Zymeworks Inc.

Company with tickers: ZYME

CIK

1937653

Shares Outstanding

73,749,607

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-02-01	Mekan Sabeen	SVP & Chief Medical Officer	Other	0	—	—	0
2026-02-01	Mekan Sabeen	SVP & Chief Medical Officer	Other	0	—	—	0
2026-02-01	Mekan Sabeen	SVP & Chief Medical Officer	Other	0	—	—	0
2026-02-01	Mekan Sabeen	SVP & Chief Medical Officer	Other	0	—	—	0
2026-01-12	Hollywood Mark	EVP & Chief Operating Officer	Convert	17,666	—	—	35,334
2026-01-12	Hollywood Mark	EVP & Chief Operating Officer	Convert	17,666	—	—	139,033
2026-01-12	Hollywood Mark	EVP & Chief Operating Officer	Award	47,000	—	—	47,000
2026-01-12	Cherry Brian N	Director	Other	0	—	—	0
2026-01-12	Cherry Brian N	Director	Award	23,000	—	—	23,000
2026-01-12	Cherry Brian N	Director	Award	15,400	—	—	15,400
2026-01-12	Galbraith Kenneth	Director, Chair & CEO	Convert	64,000	—	—	257,266
2026-01-12	Hollywood Mark	EVP & Chief Operating Officer	Award	66,000	—	—	66,000
2026-01-12	Hollywood Mark	EVP & Chief Operating Officer	Sell	6,120	$22.67	$138,762	132,913
2026-01-12	Hollywood Mark	EVP & Chief Operating Officer	Award	70,000	—	—	70,000
2026-01-12	Landry Robert E	Director	Award	11,500	—	—	11,500
2026-01-12	Landry Robert E	Director	Award	7,700	—	—	7,700
2026-01-12	Cesano Alessandra	Director	Award	7,700	—	—	7,700
2026-01-12	Cesano Alessandra	Director	Award	11,500	—	—	11,500
2026-01-12	Campoy Carlos	Director	Award	7,700	—	—	7,700
2026-01-12	Campoy Carlos	Director	Award	11,500	—	—	11,500
2026-01-12	Mahony Susan	Director	Award	7,700	—	—	7,700
2026-01-12	Mahony Susan	Director	Award	11,500	—	—	11,500
2026-01-12	Galbraith Kenneth	Director, Chair & CEO	Award	216,000	—	—	216,000
2026-01-12	Galbraith Kenneth	Director, Chair & CEO	Award	222,000	—	—	222,000
2026-01-12	Moore Paul Andrew	Chief Scientific Officer	Convert	17,666	—	—	35,334
2026-01-12	Moore Paul Andrew	Chief Scientific Officer	Sell	9,560	$22.67	$216,759	48,497
2026-01-12	Moore Paul Andrew	Chief Scientific Officer	Award	70,000	—	—	70,000
2026-01-12	Moore Paul Andrew	Chief Scientific Officer	Award	66,000	—	—	66,000
2026-01-12	Moore Paul Andrew	Chief Scientific Officer	Award	47,000	—	—	47,000
2026-01-12	Moore Paul Andrew	Chief Scientific Officer	Convert	17,666	—	—	58,057
2026-01-12	Smith Jeffrey T L	EVP & Chief Medical Officer	Convert	17,666	—	—	35,334
2026-01-12	Smith Jeffrey T L	EVP & Chief Medical Officer	Sell	9,310	$22.67	$211,090	26,708
2026-01-12	Smith Jeffrey T L	EVP & Chief Medical Officer	Convert	17,666	—	—	36,018
2026-01-12	Galbraith Kenneth	Director, Chair & CEO	Convert	64,000	—	—	128,000
2026-01-12	Ciongoli Gregory Austin	Director	Award	7,700	—	—	7,700
2026-01-12	Ciongoli Gregory Austin	Director	Award	11,500	—	—	11,500
2026-01-12	Neu Kelvin	Director	Award	11,500	—	—	11,500
2026-01-12	Neu Kelvin	Director	Award	7,700	—	—	7,700
2026-01-12	Galbraith Kenneth	Director, Chair & CEO	Sell	30,424	$22.67	$689,819	226,842
2026-01-12	Galbraith Kenneth	Director, Chair & CEO	Award	144,000	—	—	144,000
2026-01-09	Hollywood Mark	EVP & Chief Operating Officer	Other	0	—	—	0
2026-01-09	Hollywood Mark	EVP & Chief Operating Officer	Other	0	—	—	0
2026-01-09	Hollywood Mark	EVP & Chief Operating Officer	Other	121,367	—	—	121,367
2026-01-06	PATTERSON LEONE D	EVP, Chief Bus & Fin Officer	Award	459	$10.55	$4,842	459
2026-01-05	Galbraith Kenneth	Director, Chair & CEO	Convert	47,668	—	—	0
2026-01-05	Moore Paul Andrew	Chief Scientific Officer	Sell	9,289	$25.10	$233,125	31,212
2026-01-05	Moore Paul Andrew	Chief Scientific Officer	Convert	17,168	—	—	0
2026-01-05	Moore Paul Andrew	Chief Scientific Officer	Convert	17,168	—	—	40,501
2026-01-05	Galbraith Kenneth	Director, Chair & CEO	Convert	47,668	—	—	180,943
2026-01-05	Smith Jeffrey T L	EVP & Chief Medical Officer	Convert	20,000	—	—	20,000
2026-01-05	Smith Jeffrey T L	EVP & Chief Medical Officer	Convert	20,000	—	—	28,890
2026-01-05	Galbraith Kenneth	Director, Chair & CEO	Sell	22,657	$25.10	$568,620	158,286
2026-01-05	Smith Jeffrey T L	EVP & Chief Medical Officer	Sell	10,538	$25.10	$264,471	18,352
2025-12-22	Galbraith Kenneth	Director, Chair & CEO	Convert	100,000	—	—	0
2025-12-22	Galbraith Kenneth	Director, Chair & CEO	Sell	47,528	$27.02	$1,284,311	133,275
2025-12-22	Galbraith Kenneth	Director, Chair & CEO	Convert	100,000	—	—	180,803
2025-08-12	Ciongoli Gregory Austin	Director	Award	415,000	$12.02	$4,988,300	488,500
2025-08-11	Ciongoli Gregory Austin	Director	Award	62,000	—	—	62,000
2025-08-11	Landry Robert E	Director	Award	62,000	—	—	62,000
2025-08-11	Ciongoli Gregory Austin	Director	Other	5,000	—	—	5,000
2025-08-10	Ciongoli Gregory Austin	Director	Other	73,500	—	—	73,500
2025-08-10	Landry Robert E	Director	Other	0	—	—	0
2025-08-10	Ciongoli Gregory Austin	Director	Other	0	—	—	0
2025-06-26	EcoR1 Capital, LLC	Director, 10% Owner	Tax	41	$12.71	$521	22,970,388
2025-06-26	EcoR1 Capital, LLC	Director, 10% Owner	Exercise	5,086,480	$0.00	$509	22,970,388
2025-06-26	EcoR1 Capital, LLC	Director, 10% Owner	Exercise	5,086,521	—	—	0
2025-05-19	EcoR1 Capital, LLC	Director, 10% Owner	Buy	5,919	$11.78	$69,738	17,883,908
2025-05-15	EcoR1 Capital, LLC	Director, 10% Owner	Buy	49,502	$11.43	$565,847	17,877,989
2025-04-17	EcoR1 Capital, LLC	Director, 10% Owner	Buy	54,760	$11.52	$630,819	17,828,487
2025-04-16	EcoR1 Capital, LLC	Director, 10% Owner	Buy	73,953	$11.16	$825,589	17,773,727
2025-04-04	EcoR1 Capital, LLC	Director, 10% Owner	Buy	196,438	$11.17	$2,193,800	17,699,774
2025-04-03	EcoR1 Capital, LLC	Director, 10% Owner	Buy	120,770	$11.84	$1,430,170	17,503,336
2025-04-02	EcoR1 Capital, LLC	Director, 10% Owner	Buy	74,360	$11.85	$881,017	17,382,566
2025-04-01	EcoR1 Capital, LLC	Director, 10% Owner	Buy	48,658	$11.60	$564,647	17,308,206
2025-03-31	EcoR1 Capital, LLC	Director, 10% Owner	Buy	4,397	$11.75	$51,658	17,259,548
2025-03-26	EcoR1 Capital, LLC	Director, 10% Owner	Buy	43,848	$12.24	$536,857	17,255,151
2025-03-25	EcoR1 Capital, LLC	Director, 10% Owner	Buy	53,501	$12.91	$690,452	17,211,303
2025-03-24	EcoR1 Capital, LLC	Director, 10% Owner	Buy	22,689	$13.08	$296,847	17,157,802
2025-03-21	EcoR1 Capital, LLC	Director, 10% Owner	Buy	31,033	$12.78	$396,518	17,135,113
2025-03-20	EcoR1 Capital, LLC	Director, 10% Owner	Buy	73,476	$12.93	$949,883	17,104,080
2025-03-19	EcoR1 Capital, LLC	Director, 10% Owner	Buy	58,306	$12.64	$737,233	17,030,604
2025-03-18	EcoR1 Capital, LLC	Director, 10% Owner	Buy	113,880	$12.65	$1,440,855	16,972,298
2025-03-17	EcoR1 Capital, LLC	Director, 10% Owner	Buy	56,277	$12.23	$688,465	16,858,418
2025-03-13	EcoR1 Capital, LLC	Director, 10% Owner	Buy	468,356	$12.48	$5,847,237	16,802,141
2025-03-12	EcoR1 Capital, LLC	Director, 10% Owner	Buy	292,934	$12.25	$3,587,826	16,333,785
2025-03-11	EcoR1 Capital, LLC	Director, 10% Owner	Buy	320,690	$11.49	$3,685,851	16,040,851
2025-02-17	NODELMAN OLEG	Director, 10% Owner	Other	15,720,161	—	—	15,720,161
2025-02-17	NODELMAN OLEG	Director, 10% Owner	Other	0	—	—	0
2025-01-17	EcoR1 Capital, LLC	Director, 10% Owner	Buy	19,748	$13.87	$273,998	15,720,161
2025-01-16	EcoR1 Capital, LLC	Director, 10% Owner	Buy	121,681	$13.89	$1,689,541	15,700,413
2025-01-15	EcoR1 Capital, LLC	Director, 10% Owner	Buy	39,029	$14.01	$546,671	15,578,732
2025-01-14	EcoR1 Capital, LLC	Director, 10% Owner	Buy	54,500	$13.56	$739,265	15,539,703
2025-01-13	EcoR1 Capital, LLC	Director, 10% Owner	Buy	74,125	$13.39	$992,875	15,485,203
2025-01-10	PATTERSON LEONE D	EVP, Chief Bus & Fin Officer	Award	79,000	—	—	79,000
2025-01-10	PATTERSON LEONE D	EVP, Chief Bus & Fin Officer	Award	53,000	—	—	53,000
2025-01-10	Moore Paul Andrew	Chief Scientific Officer	Award	79,000	—	—	79,000
2025-01-10	Smith Jeffrey T L	EVP & Chief Medical Officer	Award	79,000	—	—	79,000
2025-01-10	Smith Jeffrey T L	EVP & Chief Medical Officer	Award	53,000	—	—	53,000
2025-01-10	Moore Paul Andrew	Chief Scientific Officer	Award	53,000	—	—	53,000
2025-01-10	EcoR1 Capital, LLC	Director, 10% Owner	Buy	204,098	$13.13	$2,678,990	15,411,078