SEC Form 4 · Updated Daily

CYTK

CYTOKINETICS, INCORPORATED Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

FinancialsOwnership

Current Reporting Owners

OwnerRoleShares OwnedAs OfLast Activity
Blum Robert IDirector · Officer377,8202026-08-31S
Malik Fady IbrahamOfficer153,9022026-09-08S
HENDERSON JOHN TDirector78,3602026-07-15A
Lee SungOfficer63,2212026-07-01S
Callos AndrewOfficer58,5552026-08-31S
WIERENGA WENDELLDirector35,5632026-07-15A
Wysenski NancyDirector33,9922026-07-15A
Bhanji MunaDirector26,3612026-05-27A
Harrington Robert ArthurDirector21,9322026-07-15A
PARSHALL B LYNNEDirector10,7842026-09-01S
Kaye Edward M. MDDirector10,4342026-07-15A
Landry Robert EDirector9,1842026-09-11S
Daly James MDirector3,3902026-07-15A

Recent Filings

DateOwnerActivitySharesPriceOwned After
2026-09-11Landry Robert EOpen-market sale1,000$74.669,184
2026-09-08Malik Fady IbrahamOption exercise (derivative)3,500$0.0026,886
2026-09-08Malik Fady IbrahamOpen-market sale3,500$75.46153,902
2026-09-08Malik Fady IbrahamOption exercise3,500$7.80157,402
2026-09-01PARSHALL B LYNNEOpen-market sale5,000$71.4810,784
2026-08-31Blum Robert IOption exercise (derivative)7,500$0.00164,245
2026-08-31Blum Robert IOpen-market sale7,500$70.24377,820
2026-08-31Blum Robert IOption exercise7,500$10.60385,320
2026-08-31Callos AndrewOption exercise (derivative)10,000$0.000
2026-08-31Callos AndrewOpen-market sale10,000$70.2458,555
2026-08-31Callos AndrewOption exercise10,000$23.2668,555
2026-08-18Malik Fady IbrahamOption exercise (derivative)3,500$0.0030,386
2026-08-18Malik Fady IbrahamOpen-market sale3,500$75.82153,902
2026-08-18Malik Fady IbrahamOption exercise3,500$7.80157,402
2026-08-10Blum Robert IOption exercise (derivative)7,500$0.00171,745
2026-08-10Blum Robert IOpen-market sale7,500$76.76377,820
2026-08-10Blum Robert IOption exercise7,500$10.60385,320
2026-07-30Callos AndrewOption exercise (derivative)14,000$0.0010,000
2026-07-30Callos AndrewOpen-market sale14,000$79.8858,555
2026-07-30Callos AndrewOption exercise14,000$23.2672,555
2026-07-27Blum Robert IOption exercise (derivative)7,500$0.00179,245
2026-07-27Blum Robert IOpen-market sale7,500$80.87377,820
2026-07-27Blum Robert IOption exercise7,500$10.60385,320
2026-07-21Malik Fady IbrahamOption exercise (derivative)3,500$0.0033,886
2026-07-21Malik Fady IbrahamOpen-market sale3,500$80.59153,902
2026-07-21Malik Fady IbrahamOption exercise3,500$7.80157,402
2026-07-15Daly James MGrant / award151$82.623,390
2026-07-15Harrington Robert ArthurGrant / award151$82.6221,932
2026-07-15HENDERSON JOHN TGrant / award272$82.6278,360
2026-07-15Kaye Edward M. MDGrant / award151$82.6210,434
2026-07-15WIERENGA WENDELLGrant / award75$82.6235,563
2026-07-15Wysenski NancyGrant / award75$82.6233,992
2026-07-13Blum Robert IOption exercise (derivative)7,490$0.00186,745
2026-07-13Blum Robert IOption exercise7,490$10.60385,310
2026-07-13Blum Robert IOpen-market sale10$82.02377,820
2026-07-07Malik Fady IbrahamOption exercise (derivative)3,500$0.0037,386
2026-07-07Malik Fady IbrahamOpen-market sale3,500$86.62153,902
2026-07-07Malik Fady IbrahamOption exercise3,500$7.80157,402
2026-07-01Lee SungOption exercise (derivative)1,112$0.0026,709
2026-07-01Lee SungOpen-market sale1,112$87.7963,221

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.