CYTK · Cytokinetics Inc

$74.13 +0.68 (+0.93%) At close · Aug 14

Market Cap

$10.31B

139.02M

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Date	Insider	Role	Type	Security	Shares	Price	Value	After
2026-08-10	Blum Robert I	Director, President & CEO	Convert↑	Common Stock	7,500	$10.60	$79,500	385,320
2026-08-10	Blum Robert I	Director, President & CEO	Sell↓	Common Stock	7,500	$76.76	$575,700	377,820
2026-08-10	Blum Robert I	Director, President & CEO	Convert↓	Non-Qualified Stock Option (Right to Buy)	7,500	—	—	171,745
2026-07-30	Callos Andrew	EVP, Chief Commercial Officer	Convert↓ Filing footnotes — Non-Qualified Stock Option (Right to Buy) (Direct) Stock options will vest over 4 years from the date of the grant, with 1/4th of the shares underlying the reporting person's option vesting on the one-year anniversary of the grant date and the remaining shares thereafter vesting monthly at a rate of 1/48th of the shares underlying the reporting person's option over the subsequent 36 months, subject to the reporting person's continued employment with the Issuer.	Non-Qualified Stock Option (Right to Buy)	14,000	—	—	10,000
2026-07-30	Callos Andrew	EVP, Chief Commercial Officer	Sell↓	Common Stock	14,000	$79.88	$1,118,320	58,555
2026-07-30	Callos Andrew	EVP, Chief Commercial Officer	Convert↑	Common Stock	14,000	$23.26	$325,640	72,555
2026-07-27	Blum Robert I	Director, President & CEO	Convert↓	Non-Qualified Stock Option (Right to Buy)	7,500	—	—	179,245
2026-07-27	Blum Robert I	Director, President & CEO	Convert↑	Common Stock	7,500	$10.60	$79,500	385,320
2026-07-27	Blum Robert I	Director, President & CEO	Sell↓	Common Stock	7,500	$80.87	$606,525	377,820
2026-07-21	Malik Fady Ibraham	Director	Convert↑	Common Stock	3,500	$7.80	$27,300	157,402
2026-07-21	Malik Fady Ibraham	Director	Sell↓	Common Stock	3,500	$80.59	$282,065	153,902
2026-07-21	Malik Fady Ibraham	Director	Convert↓	Non-Qualified Stock Option (Right to Buy)	3,500	—	—	33,886
2026-07-15	Harrington Robert Arthur	Director	Award↑ Filing footnotes — Common Stock (Direct) Shares of common stock granted pursuant to the Cytokinetics Equity in lieu of Cash Retainer Program. Shares are fully vested at the time of grant.	Common Stock	151	$82.62	$12,476	21,932
2026-07-15	WIERENGA WENDELL	Director	Award↑ Filing footnotes — Common Stock (Direct) Shares of common stock granted pursuant to the Cytokinetics Equity in lieu of Cash Retainer Program. Shares are fully vested at the time of grant.	Common Stock	75	$82.62	$6,197	35,563
2026-07-15	Kaye Edward M. MD	Director	Award↑ Filing footnotes — Common Stock (Direct) Shares of common stock granted pursuant to the Cytokinetics Equity in lieu of Cash Retainer Program. Shares are fully vested at the time of grant.	Common Stock	151	$82.62	$12,476	10,434
2026-07-15	Wysenski Nancy	Director	Award↑ Filing footnotes — Common Stock (Direct) Shares of common stock granted pursuant to the Cytokinetics Equity in lieu of Cash Retainer Program. Shares are fully vested at the time of grant.	Common Stock	75	$82.62	$6,197	33,992
2026-07-15	Daly James M	Director	Award↑ Filing footnotes — Common Stock (Direct) Shares of common stock granted pursuant to the Cytokinetics Equity in lieu of Cash Retainer Program. Shares are fully vested at the time of grant.	Common Stock	151	$82.62	$12,476	3,390
2026-07-15	HENDERSON JOHN T	Director	Award↑ Filing footnotes — Common Stock (Direct) Shares of common stock granted pursuant to the Cytokinetics Equity in lieu of Cash Retainer Program. Shares are fully vested at the time of grant.	Common Stock	272	$82.62	$22,473	78,360
2026-07-13	Blum Robert I	Director, President & CEO	Convert↑	Common Stock	7,490	$10.60	$79,394	385,310
2026-07-13	Blum Robert I	Director, President & CEO	Sell↓	Common Stock	7,490	$82.02	$614,330	377,820
2026-07-13	Blum Robert I	Director, President & CEO	Sell↓	Common Stock	10	$82.02	$820	377,820
2026-07-13	Blum Robert I	Director, President & CEO	Convert↓	Non-Qualified Stock Option (Right to Buy)	7,490	—	—	186,745
2026-07-07	Malik Fady Ibraham	Director	Convert↑	Common Stock	3,500	$7.80	$27,300	157,402
2026-07-07	Malik Fady Ibraham	Director	Convert↓	Non-Qualified Stock Option (Right to Buy)	3,500	—	—	37,386
2026-07-07	Malik Fady Ibraham	Director	Sell↓	Common Stock	3,500	$86.62	$303,170	153,902
2026-07-01	Blum Robert I	Director, President & CEO	Sell↓	Common Stock	7,500	$84.92	$636,900	377,830
2026-07-01	Lee Sung	Director	Convert↑	Common Stock	1,112	$48.51	$53,943	64,333
2026-07-01	Callos Andrew	EVP, Chief Commercial Officer	Sell↓	Common Stock	15,000	$85.80	$1,287,000	58,555
2026-07-01	Lee Sung	Director	Sell↓	Common Stock	1,112	$87.79	$97,622	63,221
2026-07-01	Lee Sung	Director	Convert↓	Non-Qualified Stock Option (Right to Buy)	1,112	—	—	26,709
2026-07-01	Callos Andrew	EVP, Chief Commercial Officer	Convert↑	Common Stock	15,000	$23.26	$348,900	73,555
2026-07-01	Callos Andrew	EVP, Chief Commercial Officer	Convert↓ Filing footnotes — Non-Qualified Stock Option (Right to Buy) (Direct) Stock options will vest over 4 years from the date of the grant, with 1/4th of the shares underlying the reporting person's option vesting on the one-year anniversary of the grant date and the remaining shares thereafter vesting monthly at a rate of 1/48th of the shares underlying the reporting person's option over the subsequent 36 months, subject to the reporting person's continued employment with the Issuer.	Non-Qualified Stock Option (Right to Buy)	15,000	—	—	24,000
2026-06-29	Lee Sung	Director	Convert↑	Common Stock	823	$44.36	$36,508	66,355
2026-06-29	Lee Sung	Director	Convert↓	Incentive Stock Option (Right to Buy)	188	—	—	8,640
2026-06-29	Lee Sung	Director	Sell↓	Common Stock	3,134	$85.00	$266,390	63,221
2026-06-29	Lee Sung	Director	Convert↓	Non-Qualified Stock Option (Right to Buy)	823	—	—	39,681
2026-06-29	Lee Sung	Director	Convert↑	Common Stock	188	$44.36	$8,340	63,409
2026-06-29	Lee Sung	Director	Convert↓	Incentive Stock Option (Right to Buy)	188	—	—	8,828
2026-06-29	Lee Sung	Director	Convert↑	Common Stock	822	$44.36	$36,464	64,231
2026-06-29	Lee Sung	Director	Convert↓	Non-Qualified Stock Option (Right to Buy)	822	—	—	40,504
2026-06-29	Lee Sung	Director	Convert↓	Non-Qualified Stock Option (Right to Buy)	1,113	—	—	52,304
2026-06-29	Lee Sung	Director	Convert↑	Common Stock	188	$44.36	$8,340	65,532
2026-06-29	Lee Sung	Director	Convert↑	Common Stock	1,113	$48.51	$53,992	65,344
2026-06-24	Lee Sung	Director	Convert↑	Common Stock	188	$44.36	$8,340	100,016
2026-06-24	Lee Sung	Director	Convert↑	Common Stock	1,113	$48.51	$53,992	99,828
2026-06-24	Lee Sung	Director	Convert↑	Common Stock	23,370	$48.51	$1,133,679	86,591
2026-06-24	Lee Sung	Director	Convert↑	Common Stock	1,113	$48.51	$53,992	101,951
2026-06-24	Lee Sung	Director	Convert↓	Incentive Stock Option (Right to Buy)	188	—	—	6,011
2026-06-24	Lee Sung	Director	Convert↓	Non-Qualified Stock Option (Right to Buy)	23,370	—	—	30,047
2026-06-24	Lee Sung	Director	Convert↑	Common Stock	822	$44.36	$36,464	100,838

Legend Buy — open-market purchase Sell — open-market sale ↑ Shares acquired ↓ Shares disposed (gift, conversion, tax…)

Showing 1–50 of 1,684 transactions

Key facts CIK 1061983 CUSIP 23282W605 13F (30d) 455 filings 453 filers Visit website Investor relations