Stocks
CYTK CYTOKINETICS INC

CYTK

CYTOKINETICS INC

Company with tickers: CYTK

CIK

1061983

CUSIP

23282W605

Shares Outstanding

135,770,593

Price History Institutional Holders Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-19	Malik Fady Ibraham	Director	Convert	3,500	$7.80	$27,300	157,402
2026-05-19	Malik Fady Ibraham	Director	Sell	3,500	$75.69	$264,915	153,902
2026-05-19	Malik Fady Ibraham	Director	Convert	3,500	—	—	47,886
2026-05-14	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-05-14	Blum Robert I	Director, President & CEO	Sell	7,500	$77.92	$584,400	400,330
2026-05-14	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-05-05	Lee Sung	Director	Sell	23,906	$76.87	$1,837,654	63,221
2026-05-05	HENDERSON JOHN T	Director	Convert	20,000	—	—	0
2026-05-05	HENDERSON JOHN T	Director	Other	83	—	—	83
2026-05-05	HENDERSON JOHN T	Director	Sell	20,000	$75.97	$1,519,400	75,237
2026-05-05	HENDERSON JOHN T	Director	Convert	20,000	$7.61	$152,200	95,237
2026-05-05	Callos Andrew	EVP, Chief Commercial Officer	Convert	11,333	—	—	13,070
2026-05-05	Callos Andrew	EVP, Chief Commercial Officer	Convert	11,333	$39.13	$443,460	69,888
2026-05-05	Callos Andrew	EVP, Chief Commercial Officer	Sell	11,333	$77.25	$875,474	58,555
2026-05-05	Malik Fady Ibraham	Director	Convert	3,500	—	—	51,386
2026-05-05	Malik Fady Ibraham	Director	Sell	3,500	$77.37	$270,795	153,902
2026-05-05	Malik Fady Ibraham	Director	Convert	3,500	$7.80	$27,300	157,402
2026-05-05	WIERENGA WENDELL	Director	Convert	4,032	$12.40	$49,997	36,669
2026-05-05	WIERENGA WENDELL	Director	Sell	4,032	$75.00	$302,400	32,637
2026-05-05	WIERENGA WENDELL	Director	Convert	4,032	—	—	0
2026-05-01	Callos Andrew	EVP, Chief Commercial Officer	Convert	15,857	$37.63	$596,699	74,412
2026-05-01	Callos Andrew	EVP, Chief Commercial Officer	Convert	15,857	—	—	0
2026-05-01	Callos Andrew	EVP, Chief Commercial Officer	Sell	15,857	$65.00	$1,030,705	58,555
2026-04-30	Callos Andrew	EVP, Chief Commercial Officer	Sell	15,000	$63.26	$948,900	58,555
2026-04-30	Callos Andrew	EVP, Chief Commercial Officer	Convert	15,000	—	—	54,000
2026-04-30	Callos Andrew	EVP, Chief Commercial Officer	Convert	15,000	$23.26	$348,900	73,555
2026-04-29	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-04-29	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-04-29	Blum Robert I	Director, President & CEO	Sell	7,500	$59.62	$447,150	407,830
2026-04-21	Malik Fady Ibraham	Director	Convert	3,500	—	—	54,886
2026-04-21	Malik Fady Ibraham	Director	Convert	3,500	$7.80	$27,300	157,402
2026-04-21	Malik Fady Ibraham	Director	Sell	3,500	$65.69	$229,915	153,902
2026-04-15	Harrington Robert Arthur	Director	Award	191	$65.37	$12,486	18,930
2026-04-15	Daly James M	Director	Award	191	$65.37	$12,486	388
2026-04-15	Callos Andrew	EVP, Chief Commercial Officer	Sell	7,449	$66.02	$491,783	58,555
2026-04-15	Wysenski Nancy	Director	Award	95	$65.37	$6,210	31,066
2026-04-15	WIERENGA WENDELL	Director	Award	95	$65.37	$6,210	32,637
2026-04-15	Kaye Edward M. MD	Director	Award	191	$65.37	$12,486	10,365
2026-04-15	HENDERSON JOHN T	Director	Other	83	—	—	83
2026-04-15	HENDERSON JOHN T	Director	Award	325	$65.37	$21,245	75,237
2026-04-15	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-04-15	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-04-15	Blum Robert I	Director, President & CEO	Sell	7,500	$65.38	$490,350	415,330
2026-04-07	Malik Fady Ibraham	Director	Sell	1,000	$64.75	$64,750	153,902
2026-04-07	Malik Fady Ibraham	Director	Sell	3,500	$65.21	$228,235	153,902
2026-04-07	Malik Fady Ibraham	Director	Convert	1,000	—	—	0
2026-04-07	Malik Fady Ibraham	Director	Convert	1,000	$10.60	$10,600	154,902
2026-04-07	Malik Fady Ibraham	Director	Convert	3,500	—	—	58,386
2026-04-07	Malik Fady Ibraham	Director	Convert	3,500	$7.80	$27,300	157,402
2026-04-01	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-04-01	Blum Robert I	Director, President & CEO	Sell	7,500	$66.63	$499,725	422,830
2026-04-01	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-03-31	Callos Andrew	EVP, Chief Commercial Officer	Sell	3,639	$65.00	$236,535	66,004
2026-03-18	Callos Andrew	EVP, Chief Commercial Officer	Sell	1,930	$62.07	$119,795	78,185
2026-03-17	Lee Sung	Director	Sell	4,935	$62.15	$306,710	87,127
2026-03-17	Callos Andrew	EVP, Chief Commercial Officer	Sell	2,916	$62.15	$181,229	71,573
2026-03-17	Callos Andrew	EVP, Chief Commercial Officer	Sell	5,626	$62.15	$349,656	74,489
2026-03-17	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-03-17	Blum Robert I	Director, President & CEO	Sell	12,673	$62.15	$787,627	454,258
2026-03-17	Blum Robert I	Director, President & CEO	Sell	23,928	$62.15	$1,487,125	430,330
2026-03-17	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-03-17	Malik Fady Ibraham	Director	Sell	4,397	$62.15	$273,274	153,902
2026-03-17	Malik Fady Ibraham	Director	Sell	7,636	$62.15	$474,577	158,299
2026-03-16	Callos Andrew	EVP, Chief Commercial Officer	Sell	1,709	$61.03	$104,300	46,149
2026-03-15	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-03-15	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-03-15	Blum Robert I	Director, President & CEO	Award	75,258	—	—	466,931
2026-03-15	Blum Robert I	Director, President & CEO	Award	111,864	—	—	111,864
2026-03-15	Blum Robert I	Director, President & CEO	Award	1,665	—	—	1,665
2026-03-15	Hessekiel Jeffrey	EVP & General Counsel	Award	20,646	—	—	107,943
2026-03-15	Hessekiel Jeffrey	EVP & General Counsel	Award	8,325	—	—	8,325
2026-03-15	Hessekiel Jeffrey	EVP & General Counsel	Award	22,820	—	—	22,820
2026-03-15	Callos Andrew	EVP, Chief Commercial Officer	Award	1,665	—	—	1,665
2026-03-15	Callos Andrew	EVP, Chief Commercial Officer	Award	13,320	—	—	81,824
2026-03-15	Callos Andrew	EVP, Chief Commercial Officer	Award	29,480	—	—	29,480
2026-03-15	Callos Andrew	EVP, Chief Commercial Officer	Award	20,646	—	—	68,504
2026-03-15	Lee Sung	Director	Award	20,646	—	—	92,062
2026-03-15	Lee Sung	Director	Award	1,665	—	—	1,665
2026-03-15	Lee Sung	Director	Award	29,480	—	—	29,480
2026-03-15	Malik Fady Ibraham	Director	Award	27,306	—	—	165,935
2026-03-15	Malik Fady Ibraham	Director	Award	39,527	—	—	39,527
2026-03-15	Malik Fady Ibraham	Director	Award	1,665	—	—	1,665
2026-03-09	Malik Fady Ibraham	Director	Sell	2,907	$60.72	$176,513	138,629
2026-03-09	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-03-09	Blum Robert I	Director, President & CEO	Sell	7,931	$60.72	$481,570	391,673
2026-03-09	Blum Robert I	Director, President & CEO	Other	2,083	—	—	2,083
2026-03-09	Callos Andrew	EVP, Chief Commercial Officer	Sell	2,582	$60.72	$156,779	47,858
2026-03-05	Callos Andrew	EVP, Chief Commercial Officer	Sell	15,000	$61.87	$928,050	61,440
2026-03-05	Callos Andrew	EVP, Chief Commercial Officer	Convert	15,000	$23.26	$348,900	65,440
2026-03-05	Callos Andrew	EVP, Chief Commercial Officer	Convert	11,000	$39.13	$430,430	76,440
2026-03-05	Callos Andrew	EVP, Chief Commercial Officer	Convert	11,000	—	—	24,403
2026-03-05	Callos Andrew	EVP, Chief Commercial Officer	Sell	11,000	$61.88	$680,680	50,440
2026-03-05	Callos Andrew	EVP, Chief Commercial Officer	Convert	15,000	—	—	69,000
2026-03-02	PARSHALL B LYNNE	Director	Sell	5,000	$61.21	$306,050	17,933
2026-03-02	Callos Andrew	EVP, Chief Commercial Officer	Sell	886	$61.62	$54,595	50,440
2026-03-02	Callos Andrew	EVP, Chief Commercial Officer	Convert	886	—	—	0
2026-03-02	Callos Andrew	EVP, Chief Commercial Officer	Convert	886	$37.63	$33,340	51,326
2026-02-05	Callos Andrew	EVP, Chief Commercial Officer	Sell	15,000	$61.93	$928,950	50,440
2026-02-05	Callos Andrew	EVP, Chief Commercial Officer	Convert	15,000	—	—	84,000
2026-02-05	Callos Andrew	EVP, Chief Commercial Officer	Convert	15,000	$23.26	$348,900	65,440