CYTK Insider Trading

Cytokinetics Inc · full profile →Last filing Aug 31, 2026
Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$29.0M
8 insiders
Net Insider Flow
-$29.0M
open market, 180d
Reporting Insiders
8
51 P/S transactions
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Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Aug 31, 2026Blum Robert IPresident & CEO, DirectorOption exercise(M)8K$0
Aug 31, 2026Blum Robert IPresident & CEO, DirectorSell(S)8K$70.24$527K
Aug 31, 2026Blum Robert IPresident & CEO, DirectorOption exercise(M)8K$10.60$80K
Aug 31, 2026Callos AndrewEVP, Chief Commercial OfficerOption exercise(M)10K$0
Aug 31, 2026Callos AndrewEVP, Chief Commercial OfficerSell(S)10K$70.24$702K
Aug 31, 2026Callos AndrewEVP, Chief Commercial OfficerOption exercise(M)10K$23.26$233K
Aug 18, 2026Malik Fady IbrahamEVP Research & DevelopmentOption exercise(M)4K$0
Aug 18, 2026Malik Fady IbrahamEVP Research & DevelopmentSell(S)4K$75.82$265K
Aug 18, 2026Malik Fady IbrahamEVP Research & DevelopmentOption exercise(M)4K$7.80$27K
Aug 10, 2026Blum Robert IPresident & CEO, DirectorOption exercise(M)8K$10.60$80K
Aug 10, 2026Blum Robert IPresident & CEO, DirectorSell(S)8K$76.76$576K
Aug 10, 2026Blum Robert IPresident & CEO, DirectorOption exercise(M)8K$0
Jul 30, 2026Callos AndrewEVP, Chief Commercial OfficerOption exercise(M)14K$23.26$326K
Jul 30, 2026Callos AndrewEVP, Chief Commercial OfficerSell(S)14K$79.88$1.1M
Jul 30, 2026Callos AndrewEVP, Chief Commercial OfficerOption exercise(M)14K$0
Jul 27, 2026Blum Robert IPresident & CEO, DirectorOption exercise(M)8K$10.60$80K
Jul 27, 2026Blum Robert IPresident & CEO, DirectorSell(S)8K$80.87$607K
Jul 27, 2026Blum Robert IPresident & CEO, DirectorOption exercise(M)8K$0
Jul 21, 2026Malik Fady IbrahamEVP Research & DevelopmentOption exercise(M)4K$7.80$27K
Jul 21, 2026Malik Fady IbrahamEVP Research & DevelopmentSell(S)4K$80.59$282K
Jul 21, 2026Malik Fady IbrahamEVP Research & DevelopmentOption exercise(M)4K$0
Jul 15, 2026Wierenga WendellDirectorGrant(A)75$82.62$6K
Jul 15, 2026Harrington Robert ArthurDirectorGrant(A)151$82.62$12K
Jul 15, 2026Daly James MDirectorGrant(A)151$82.62$12K
Jul 15, 2026Wysenski NancyDirectorGrant(A)75$82.62$6K
Jul 15, 2026Kaye Edward M. MDDirectorGrant(A)151$82.62$12K
Jul 15, 2026Henderson John TDirectorGrant(A)272$82.62$22K
Jul 13, 2026Blum Robert IPresident & CEO, DirectorSell(S)10$82.02$820
Jul 13, 2026Blum Robert IPresident & CEO, DirectorOption exercise(M)7K$10.60$79K
Jul 13, 2026Blum Robert IPresident & CEO, DirectorSell(S)7K$82.02$614K
Jul 13, 2026Blum Robert IPresident & CEO, DirectorOption exercise(M)7K$0
Jul 7, 2026Malik Fady IbrahamEVP Research & DevelopmentOption exercise(M)4K$7.80$27K
Jul 7, 2026Malik Fady IbrahamEVP Research & DevelopmentSell(S)4K$86.62$303K
Jul 7, 2026Malik Fady IbrahamEVP Research & DevelopmentOption exercise(M)4K$0
Jul 1, 2026Callos AndrewEVP, Chief Commercial OfficerOption exercise(M)15K$23.26$349K
Jul 1, 2026Callos AndrewEVP, Chief Commercial OfficerSell(S)15K$85.80$1.3M
Jul 1, 2026Callos AndrewEVP, Chief Commercial OfficerOption exercise(M)15K$0
Jul 1, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)1K$48.51$54K
Jul 1, 2026Lee SungEVP, Chief Financial OfficerSell(S)1K$87.79$98K
Jul 1, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)1K$0
Jul 1, 2026Blum Robert IPresident & CEO, DirectorSell(S)8K$84.92$637K
Jun 29, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)188$44.36$8K
Jun 29, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)822$44.36$36K
Jun 29, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)1K$48.51$54K
Jun 29, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)188$44.36$8K
Jun 29, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)823$44.36$37K
Jun 29, 2026Lee SungEVP, Chief Financial OfficerSell(S)3K$85.00$266K
Jun 29, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)188$0
Jun 29, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)822$0
Jun 29, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)1K$0
Jun 29, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)188$0
Jun 29, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)823$0
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)23K$48.51$1.1M
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)9K$44.36$413K
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)3K$44.36$125K
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)1K$48.51$54K
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)188$44.36$8K
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)822$44.36$36K
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)1K$48.51$54K
Jun 24, 2026Lee SungEVP, Chief Financial OfficerSell(S)39K$82.30$3.2M
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)23K$0
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)9K$0
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)3K$0
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)1K$0
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)188$0
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)822$0
Jun 24, 2026Lee SungEVP, Chief Financial OfficerOption exercise(M)1K$0
Jun 23, 2026Malik Fady IbrahamEVP Research & DevelopmentOption exercise(M)4K$7.80$27K
Jun 23, 2026Malik Fady IbrahamEVP Research & DevelopmentSell(S)4K$79.51$278K
Jun 23, 2026Malik Fady IbrahamEVP Research & DevelopmentOption exercise(M)4K$0
Jun 15, 2026Blum Robert IPresident & CEO, DirectorSell(S)8K$70.46$528K
Jun 9, 2026Malik Fady IbrahamEVP Research & DevelopmentOption exercise(M)4K$7.80$27K
Jun 9, 2026Malik Fady IbrahamEVP Research & DevelopmentSell(S)4K$67.98$238K
Jun 9, 2026Malik Fady IbrahamEVP Research & DevelopmentOption exercise(M)4K$0
Jun 1, 2026Kaye Edward M. MDDirectorSell(S)3K$76.09$223K
Jun 1, 2026Parshall B LynneDirectorSell(S)5K$74.08$370K
Jun 1, 2026Callos AndrewEVP, Chief Commercial OfficerOption exercise(M)15K$23.26$349K
Jun 1, 2026Callos AndrewEVP, Chief Commercial OfficerSell(S)15K$74.08$1.1M
Jun 1, 2026Callos AndrewEVP, Chief Commercial OfficerOption exercise(M)15K$0
May 27, 2026Harrington Robert ArthurDirectorGrant(A)3K$0
May 27, 2026Harrington Robert ArthurDirectorGrant(A)4K$0
May 27, 2026Wysenski NancyDirectorGrant(A)3K$0
May 27, 2026Wysenski NancyDirectorGrant(A)4K$0
May 27, 2026Wierenga WendellDirectorGrant(A)3K$0
May 27, 2026Wierenga WendellDirectorGrant(A)4K$0
May 27, 2026Landry Robert EDirectorGrant(A)3K$0
May 27, 2026Landry Robert EDirectorGrant(A)4K$0
May 27, 2026Daly James MDirectorGrant(A)3K$0
May 27, 2026Daly James MDirectorGrant(A)4K$0
May 27, 2026Bhanji MunaDirectorGrant(A)3K$0
May 27, 2026Bhanji MunaDirectorGrant(A)4K$0
May 27, 2026Henderson John TDirectorGrant(A)3K$0
May 27, 2026Henderson John TDirectorGrant(A)4K$0
May 27, 2026Parshall B LynneDirectorGrant(A)3K$0
May 27, 2026Parshall B LynneDirectorGrant(A)4K$0
May 27, 2026Kaye Edward M. MDDirectorGrant(A)3K$0
May 27, 2026Kaye Edward M. MDDirectorGrant(A)4K$0
May 27, 2026Blum Robert IPresident & CEO, DirectorSell(S)8K$77.21$579K
May 19, 2026Malik Fady IbrahamEVP Research & DevelopmentOption exercise(M)4K$7.80$27K
May 19, 2026Malik Fady IbrahamEVP Research & DevelopmentSell(S)4K$75.69$265K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2006-01-022026-09-01. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).

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