The Filings Report

Cytokinetics Inc. insider trading

CYTKfinancial statementsForm 4 filings on EDGAR372 transactions since Nov 9, 2024

From August 12, 2026 to November 9, 2026, 0 insiders at Cytokinetics Inc. bought $0 of stock in the open market, and 5 sold $12M. Officers and directors accounted for $0 of purchases and $12M of sales. The last reported transaction was an option exercise by Malik Fady Ibraham on November 3, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through November 3, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

CYTK daily priceSplit-adjusted prices in US dollars

Bought $0Sold $12MAug 12, 2026 – Nov 9, 2026

Nov 6, 2026O $55.90 · H $56.51 · L $53.55 · C $53.69Bought $0 (0)Sold $0 (0)
$52$59$67$74$812026-08-12: open $76.71, high $77.71, low $75.34, close $75.642026-08-13: open $76.80, high $76.81, low $73.40, close $73.452026-08-14: open $72.70, high $74.26, low $72.12, close $74.132026-08-17: open $73.90, high $75.92, low $73.46, close $75.872026-08-18: open $75.57, high $76.81, low $74.76, close $76.102026-08-19: open $77.23, high $77.88, low $76.17, close $77.742026-08-20: open $77.36, high $77.62, low $76.14, close $77.182026-08-21: open $77.30, high $77.70, low $76.65, close $76.842026-08-24: open $77.20, high $77.99, low $75.65, close $77.092026-08-25: open $77.93, high $78.72, low $77.21, close $77.462026-08-26: open $77.91, high $79.88, low $76.70, close $79.202026-08-27: open $78.84, high $79.13, low $77.84, close $77.902026-08-28: open $73.88, high $74.42, low $71.66, close $72.092026-08-31: open $71.54, high $71.79, low $69.31, close $70.912026-09-01: open $69.85, high $72.46, low $69.83, close $71.402026-09-02: open $71.90, high $73.70, low $70.42, close $71.932026-09-03: open $73.55, high $74.23, low $71.41, close $73.952026-09-04: open $73.04, high $74.01, low $72.26, close $72.722026-09-08: open $72.39, high $76.81, low $72.39, close $75.352026-09-09: open $74.31, high $74.89, low $73.52, close $74.112026-09-10: open $73.23, high $75.10, low $73.13, close $73.622026-09-11: open $74.66, high $75.98, low $73.50, close $73.772026-09-14: open $73.51, high $74.65, low $72.34, close $72.452026-09-15: open $72.13, high $72.19, low $68.55, close $69.312026-09-16: open $69.52, high $70.68, low $68.67, close $69.392026-09-17: open $70.64, high $71.05, low $68.92, close $69.922026-09-18: open $70.18, high $70.18, low $68.15, close $68.782026-09-21: open $69.30, high $69.50, low $67.35, close $67.592026-09-22: open $68.07, high $69.56, low $67.48, close $67.592026-09-23: open $67.02, high $67.39, low $64.73, close $65.812026-09-24: open $65.37, high $66.47, low $64.89, close $65.662026-09-25: open $65.66, high $65.95, low $64.44, close $64.662026-09-28: open $64.58, high $66.41, low $64.25, close $66.162026-09-29: open $65.91, high $66.52, low $64.38, close $65.642026-09-30: open $65.90, high $66.92, low $65.25, close $65.912026-10-01: open $65.73, high $67.27, low $65.30, close $65.622026-10-02: open $66.45, high $66.48, low $64.49, close $65.602026-10-05: open $65.60, high $65.76, low $62.25, close $62.842026-10-06: open $62.20, high $62.53, low $60.68, close $61.352026-10-07: open $61.09, high $62.05, low $60.15, close $61.122026-10-08: open $60.31, high $62.79, low $59.79, close $62.012026-10-09: open $61.87, high $63.03, low $61.59, close $62.912026-10-12: open $62.48, high $63.50, low $62.13, close $62.792026-10-13: open $62.32, high $63.05, low $61.50, close $61.622026-10-14: open $61.62, high $64.01, low $60.99, close $63.432026-10-15: open $64.81, high $65.57, low $63.81, close $63.922026-10-16: open $63.90, high $63.90, low $61.69, close $61.952026-10-19: open $62.06, high $63.61, low $61.84, close $62.652026-10-20: open $63.13, high $64.76, low $62.88, close $63.952026-10-21: open $64.30, high $64.78, low $62.46, close $62.862026-10-22: open $63.01, high $64.07, low $61.94, close $62.332026-10-23: open $62.01, high $62.44, low $60.89, close $61.232026-10-26: open $61.45, high $61.89, low $60.48, close $60.732026-10-27: open $60.68, high $61.83, low $60.47, close $61.522026-10-28: open $60.86, high $61.39, low $60.15, close $61.282026-10-29: open $62.08, high $63.95, low $61.54, close $63.312026-10-30: open $63.44, high $64.50, low $62.55, close $62.992026-11-02: open $63.40, high $64.00, low $61.97, close $62.032026-11-03: open $62.74, high $64.37, low $62.21, close $62.312026-11-04: open $64.06, high $64.96, low $60.98, close $63.602026-11-05: open $60.04, high $60.84, low $54.16, close $55.552026-11-06: open $55.90, high $56.51, low $53.55, close $53.69Insider purchases / sales · USD$10M$0−$10M2026-08-18: 0 purchases ($0), 1 sales ($265K)2026-08-31: 0 purchases ($0), 2 sales ($1M)2026-09-01: 0 purchases ($0), 1 sales ($357K)2026-09-08: 0 purchases ($0), 1 sales ($264K)2026-09-11: 0 purchases ($0), 1 sales ($75K)2026-09-14: 0 purchases ($0), 1 sales ($551K)2026-09-15: 0 purchases ($0), 2 sales ($7M)2026-09-22: 0 purchases ($0), 1 sales ($239K)2026-09-28: 0 purchases ($0), 1 sales ($491K)2026-10-06: 0 purchases ($0), 1 sales ($215K)2026-10-12: 0 purchases ($0), 1 sales ($472K)2026-10-20: 0 purchases ($0), 1 sales ($224K)2026-11-02: 0 purchases ($0), 1 sales ($471K)2026-11-03: 0 purchases ($0), 1 sales ($220K)Aug 12Sep 2Sep 25Oct 16Nov 6

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Nov 6, 2026. Insider data through Nov 9, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

372 transactions from November 9, 2024 to November 9, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Nov 3, 2026Malik Fady IbrahamEVP Research & Developmentoption exercise3,500$7.80$27K157,402Nov 3, 2026
Nov 3, 2026Malik Fady IbrahamEVP Research & Developmentopen-market sale10b5-13,500$62.93$220K153,902Nov 3, 2026
Nov 2, 2026Blum Robert IPresident & CEO, Directoroption exercise7,500$10.60$80K286,044Nov 2, 2026
Nov 2, 2026Blum Robert IPresident & CEO, Directoropen-market sale10b5-17,500$62.81$471K278,544Nov 2, 2026
Oct 20, 2026Malik Fady IbrahamEVP Research & Developmentoption exercise3,500$7.80$27K157,402Oct 20, 2026
Oct 20, 2026Malik Fady IbrahamEVP Research & Developmentopen-market sale10b5-13,500$64.01$224K153,902Oct 20, 2026
Oct 16, 2026Wysenski NancyDirectoraward97$63.92$6K34,089Oct 20, 2026
Oct 16, 2026Kaye Edward M. MDDirectoraward195$63.92$12K10,629Oct 20, 2026
Oct 16, 2026Harrington Robert ArthurDirectoraward195$63.92$12K22,127Oct 20, 2026
Oct 16, 2026Daly James MDirectoraward195$63.92$12K3,585Oct 20, 2026
Oct 16, 2026Wierenga WendellDirectoraward97$63.92$6K35,660Oct 20, 2026
Oct 16, 2026Henderson John TDirectoraward352$63.92$23K78,712Oct 20, 2026
Oct 12, 2026Blum Robert IPresident & CEO, Directoroption exercise7,500$10.60$80K286,044Oct 13, 2026
Oct 12, 2026Blum Robert IPresident & CEO, Directoropen-market sale10b5-17,500$62.88$472K278,544Oct 13, 2026
Oct 6, 2026Malik Fady IbrahamEVP Research & Developmentoption exercise3,500$7.80$27K157,402Oct 6, 2026
Oct 6, 2026Malik Fady IbrahamEVP Research & Developmentopen-market sale10b5-13,500$61.38$215K153,902Oct 6, 2026
Sep 28, 2026Blum Robert IPresident & CEO, Directoroption exercise7,500$10.60$80K286,044Sep 28, 2026
Sep 28, 2026Blum Robert IPresident & CEO, Directoropen-market sale10b5-17,500$65.46$491K278,544Sep 28, 2026
Sep 22, 2026Malik Fady IbrahamEVP Research & Developmentoption exercise3,500$7.80$27K157,402Sep 22, 2026
Sep 22, 2026Malik Fady IbrahamEVP Research & Developmentopen-market sale10b5-13,500$68.29$239K153,902Sep 22, 2026
Sep 15, 2026Landry Robert EDirectoropen-market sale10b5-11,000$72.13$72K8,184Sep 15, 2026
Sep 15, 2026Blum Robert IPresident & CEO, Directoropen-market sale10b5-1indirect97,926$69.33$7M0Sep 15, 2026
Sep 14, 2026Blum Robert IPresident & CEO, Directoroption exercise7,500$10.60$80K385,320Sep 15, 2026
Sep 14, 2026Blum Robert IPresident & CEO, Directoropen-market sale10b5-17,500$73.44$551K377,820Sep 15, 2026
Sep 14, 2026Blum Robert IPresident & CEO, Directorgift1,350$0.00—376,470Sep 15, 2026
Sep 14, 2026Blum Robert IPresident & CEO, Directorgift97,926$0.00—278,544Sep 15, 2026
Sep 14, 2026Blum Robert IPresident & CEO, Directorgiftindirect97,926$0.00—97,926Sep 15, 2026
Sep 11, 2026Landry Robert EDirectoropen-market sale10b5-11,000$74.66$75K9,184Sep 11, 2026
Sep 8, 2026Malik Fady IbrahamEVP Research & Developmentoption exercise3,500$7.80$27K157,402Sep 8, 2026
Sep 8, 2026Malik Fady IbrahamEVP Research & Developmentopen-market sale10b5-13,500$75.46$264K153,902Sep 8, 2026
Sep 1, 2026Parshall B LynneDirectoropen-market sale10b5-15,000$71.48$357K10,784Sep 1, 2026
Aug 31, 2026Callos AndrewEVP, Chief Commercial Officeroption exercise10,000$23.26$233K68,555Aug 31, 2026
Aug 31, 2026Callos AndrewEVP, Chief Commercial Officeropen-market sale10b5-110,000$70.24$702K58,555Aug 31, 2026
Aug 31, 2026Blum Robert IPresident & CEO, Directoroption exercise7,500$10.60$80K385,320Aug 31, 2026
Aug 31, 2026Blum Robert IPresident & CEO, Directoropen-market sale10b5-17,500$70.24$527K377,820Aug 31, 2026
Aug 18, 2026Malik Fady IbrahamEVP Research & Developmentoption exercise3,500$7.80$27K157,402Aug 18, 2026
Aug 18, 2026Malik Fady IbrahamEVP Research & Developmentopen-market sale10b5-13,500$75.82$265K153,902Aug 18, 2026
Aug 10, 2026Blum Robert IPresident & CEO, Directoroption exercise7,500$10.60$80K385,320Aug 10, 2026
Aug 10, 2026Blum Robert IPresident & CEO, Directoropen-market sale10b5-17,500$76.76$576K377,820Aug 10, 2026
Jul 30, 2026Callos AndrewEVP, Chief Commercial Officeroption exercise14,000$23.26$326K72,555Jul 30, 2026
Jul 30, 2026Callos AndrewEVP, Chief Commercial Officeropen-market sale10b5-114,000$79.88$1M58,555Jul 30, 2026
Jul 27, 2026Blum Robert IPresident & CEO, Directoroption exercise7,500$10.60$80K385,320Jul 27, 2026
Jul 27, 2026Blum Robert IPresident & CEO, Directoropen-market sale10b5-17,500$80.87$607K377,820Jul 27, 2026
Jul 21, 2026Malik Fady IbrahamEVP Research & Developmentoption exercise3,500$7.80$27K157,402Jul 23, 2026
Jul 21, 2026Malik Fady IbrahamEVP Research & Developmentopen-market sale10b5-13,500$80.59$282K153,902Jul 23, 2026
Jul 15, 2026Wysenski NancyDirectoraward75$82.62$6K33,992Jul 16, 2026
Jul 15, 2026Wierenga WendellDirectoraward75$82.62$6K35,563Jul 16, 2026
Jul 15, 2026Kaye Edward M. MDDirectoraward151$82.62$12K10,434Jul 16, 2026
Jul 15, 2026Henderson John TDirectoraward272$82.62$22K78,360Jul 16, 2026
Jul 15, 2026Harrington Robert ArthurDirectoraward151$82.62$12K21,932Jul 16, 2026

Who the insiders are

Everyone who reported a transaction since November 9, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Blum Robert IPresident & CEO, DirectorNov 2, 2026option exercise286,044—$18M (20)17 of 20
Callos AndrewEVP, Chief Commercial OfficerAug 31, 2026option exercise68,555—$16M (25)22 of 25
Lee SungEVP, Chief Financial OfficerJul 1, 2026option exercise64,333—$6M (5)4 of 5
Malik Fady IbrahamEVP Research & DevelopmentNov 3, 2026option exercise157,402—$5M (21)18 of 21
Kaye Edward M. MDDirectorOct 16, 2026award10,629—$2M (3)3 of 3
Henderson John TDirectorOct 16, 2026award78,712—$2M (2)2 of 2
Wierenga WendellDirectorOct 16, 2026award35,660—$2M (2)2 of 2
Parshall B LynneDirectorSep 1, 2026open-market sale10,784—$1M (4)4 of 4
Landry Robert EDirectorSep 15, 2026open-market sale8,184—$147K (2)2 of 2
Harrington Robert ArthurDirectorOct 16, 2026award22,127—$144K (1)1 of 1
Wysenski NancyDirectorOct 16, 2026award34,089———
Wierenga WendallDirectorJul 15, 2025award32,345———
Daly James MDirectorOct 16, 2026award3,585———
Bhanji MunaDirectorMay 27, 2026award26,361———
Wong RobertVP, Chief Accounting OfficerDec 3, 2024award18,162———
Hessekiel JeffreyChief Legal & Admin OfficerMar 15, 2026award107,943———

Questions

Are Cytokinetics Inc. insiders buying or selling?

Over the twelve months to November 9, 2026, 10 insiders at Cytokinetics Inc. sold $52M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $52M. Only open-market purchases and sales are counted.

Who sold the most Cytokinetics Inc. stock in the last year?

Blum Robert I (President & CEO, Director) sold $18M in 20 open-market sales over the twelve months to November 9, 2026.

Do Cytokinetics Inc. executives sell under 10b5-1 plans?

75 of the 85 open-market sales in the last twelve months (88%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Cytokinetics Inc.

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.