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Cytokinetics Inc

CYTK
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001061983

In the last 90 days, Cytokinetics Inc insiders filed 0 open-market purchases and 18 sales; 481 institutions reported holding it in 13F filings for Q2 2026, worth $13.7B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Cytokinetics Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
18 filings
6 insiders, $15.4M in total
Insiders trading
6
Net value
−$15.4M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Cytokinetics Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Cytokinetics Inc
NameTitleLast reported holdingLast filingFilings, past year
Malik Fady IbrahamEVP Research & Development153,902Sep 22, 202622
Landry Robert EDirector8,184Sep 15, 20263
Blum Robert IPresident & CEO0IndirectSep 15, 202622
Parshall B LynneDirector10,784Sep 1, 20265
Callos AndrewEVP, Chief Commercial Officer58,555Aug 31, 202625
Wysenski NancyDirector33,992Jul 16, 20265
Wierenga WendellDirector35,563Jul 16, 20268
Kaye Edward M. MDDirector10,434Jul 16, 202610
Henderson John TDirector78,360Jul 16, 20267
Harrington Robert ArthurDirector21,932Jul 16, 20266
Daly James MDirector3,390Jul 16, 20264
Lee SungEVP, Chief Financial Officer63,221Jul 2, 20268
Bhanji MunaDirector26,361May 27, 20261
Hessekiel JeffreyChief Legal & Admin Officer107,943Mar 17, 20262
Wierenga WendallDirector32,345Jul 16, 20250
Wong RobertVP, Chief Accounting Officer18,655Dec 5, 20240
Pletcher Brett AEVP, Chief Legal Officer33,140Sep 3, 20240
Costa Santo JDirector20,600May 16, 20240
Smith Sandford DDirector18,801Jan 3, 20240
Jaw ChingSVP Finance & CFO87,346Mar 7, 20230
Schlossberg Mark ASVP - Legal & General Counsel103,408Mar 15, 20220
Cragg DavidChief HR & Admin Officer153,233Mar 8, 20220
Califf RobertDirector6,003Jan 4, 20220
Gage L PatrickDirector28,932Nov 8, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 13, 2023 (view filing)Jul 13Same dayBlum Robert IPresident & CEOSSale−12.5K$35.28−$441.0K−2.8%441.4K after10b5-1
Aug 1, 2023 (view filing)Aug 1Same dayBlum Robert IPresident & CEOSSale−12.5K$32.63−$407.9K−2.8%441.4K after2 lots10b5-1
Aug 10, 2023 (view filing)Aug 10Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−2.50K$31.70−$79.3K−1.6%158.2K after10b5-1
Aug 11, 2023 (view filing)Dec 21, 2022-Aug 11, 2023233 daysLateBlum Robert IPresident & CEOSSale−22.5K$37.50−$843.8K−4.9%441.4K after3 lots10b5-1
Aug 21, 2023 (view filing)Aug 21Same dayWierenga WendallDirectorSSale−6.02K$32.02−$192.8K−24.9%18.2K after10b5-1
Aug 28, 2023 (view filing)Aug 253 daysBlum Robert IPresident & CEOSSale−12.5K$33.99−$424.9K−2.8%441.4K after10b5-1
Sep 13, 2023 (view filing)Sep 13Same dayBlum Robert IPresident & CEOSSale−12.5K$34.90−$436.3K−2.8%441.4K after10b5-1
Sep 14, 2023 (view filing)Sep 14Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−2.50K$34.86−$87.2K−1.6%155.7K after10b5-1
Oct 6, 2023 (view filing)Oct 6Same dayBlum Robert IPresident & CEOSSale−12.5K$30.00−$375.0K−2.8%441.4K after10b5-1
Oct 12, 2023 (view filing)Oct 12Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−2.50K$35.89−$89.7K−1.6%153.2K after10b5-1
Oct 16, 2023 (view filing)Oct 16Same dayBlum Robert IPresident & CEOSSale−12.5K$33.70−$421.3K−2.8%441.4K after10b5-1
Oct 30, 2023 (view filing)Oct 30Same dayBlum Robert IPresident & CEOSSale−12.5K$32.17−$402.1K−2.8%441.4K after10b5-1
Nov 9, 2023 (view filing)Nov 9Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−2.50K$35.40−$88.5K−1.6%150.7K after10b5-1
Nov 15, 2023 (view filing)Nov 15Same dayBlum Robert IPresident & CEOSSale−12.5K$34.57−$432.1K−2.8%441.4K after10b5-1
Dec 1, 2023 (view filing)Nov 301 dayBlum Robert IPresident & CEOSSale−12.5K$32.99−$412.4K−2.8%441.4K after10b5-1
Dec 19, 2023 (view filing)Dec 181 dayHenderson John TDirectorSSale−2.46K$36.34−$89.3K−5.5%42.4K after10b5-1
Dec 19, 2023 (view filing)Dec 181 dayBlum Robert IPresident & CEOSSale−12.5K$36.95−$461.9K−2.8%441.8K after10b5-1
Dec 27, 2023 (view filing)Dec 27Same dayWierenga WendallDirectorSSale−10.0K$73.60−$736.0K−34.9%18.7K after2 lots10b5-1
Jan 2, 2024 (view filing)Jan 2Same dayBlum Robert IPresident & CEOSSale−12.5K$85.08−$1.06M−2.8%441.8K after10b5-1
Jan 4, 2024 (view filing)Jan 4Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−15.7K$86.98−$1.36M−9.6%147.0K after2 lots10b5-1
Jan 12, 2024 (view filing)Jan 12Same dayHenderson John TDirectorSSale−5.00K$85.14−$425.7K−10.5%42.6K after10b5-1
Jan 22, 2024 (view filing)Jan 193 daysBlum Robert IPresident & CEOSSale−12.5K$81.42−$1.02M−2.8%441.8K after10b5-1
Feb 2, 2024 (view filing)Jan 312 daysBlum Robert IPresident & CEOSSale−12.5K$79.57−$994.6K−2.8%441.8K after10b5-1
Feb 6, 2024 (view filing)Feb 6Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−32.6K$79.30−$2.59M−18.6%143.0K after2 lots10b5-1
Feb 13, 2024 (view filing)Feb 13Same dayBlum Robert IPresident & CEOSSale−12.5K$76.85−$960.6K−2.8%441.8K after10b5-1
Feb 14, 2024 (view filing)Feb 14Same dayHenderson John TDirectorSSale−5.00K$76.48−$382.4K−10.5%42.6K after10b5-1
Mar 5, 2024 (view filing)Mar 5Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−32.6K$67.56−$2.20M−19.0%139.0K after2 lots10b5-1
Apr 9, 2024 (view filing)Apr 9Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−32.6K$74.31−$2.42M−19.0%138.6K after2 lots10b5-1
Apr 25, 2024 (view filing)Apr 25Same dayHenderson John TDirectorSSale−10.6K$64.54−$681.7K−24.8%32.1K after10b5-1
May 7, 2024 (view filing)May 7Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−15.5K$65.11−$1.01M−10.2%137.1K after2 lots10b5-1
Jun 3, 2024 (view filing)Jun 3Same dayWong RobertVP, Chief Accounting OfficerSSale−13.0K$48.88−$636.0K−43.9%16.7K after10b5-1
Jun 4, 2024 (view filing)Jun 31 dayParshall B LynneDirectorSSale−5.00K$48.64−$243.2K−24.3%15.6K after10b5-1
Jun 5, 2024 (view filing)Jun 32 daysHarrington Robert ArthurDirectorSSale−1.58K$48.64−$76.9K−9.2%15.5K after10b5-1
Jun 7, 2024 (view filing)Jun 43 daysLateBlum Robert IPresident & CEOSSale−22.5K$48.85−$1.10M−4.9%439.1K after10b5-1
Jun 10, 2024 (view filing)Jun 10Same dayBhanji MunaDirectorSSale−2.00K$52.07−$104.1K−10.2%17.6K after10b5-1
Jun 11, 2024 (view filing)Jun 11Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.79K$53.04−$413.1K−5.5%135.0K after2 lots10b5-1
Jun 17, 2024 (view filing)Jun 17Same dayBlum Robert IPresident & CEOSSale−22.5K$52.60−$1.18M−5.1%416.6K after2 lots10b5-1
Jun 17, 2024 (view filing)Jun 17Same dayParshall B LynneDirectorSSale−5.00K$52.55−$262.8K−19.5%20.6K after10b5-1
Jun 25, 2024 (view filing)Jun 25Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.30K$53.72−$392.1K−5.2%133.0K after2 lots10b5-1
Jul 1, 2024 (view filing)Jul 1Same dayBlum Robert IPresident & CEOSSale−11.5K$54.05−$621.6K−2.8%405.1K after10b5-1
Jul 1, 2024 (view filing)Jul 1Same dayParshall B LynneDirectorSSale−5.00K$54.22−$271.1K−19.5%20.6K after10b5-1
Jul 8, 2024 (view filing)Jul 53 daysHarrington Robert ArthurDirectorSSale−253$54.61−$13.8K−1.6%15.5K after10b5-1
Jul 9, 2024 (view filing)Jul 9Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.30K$55.90−$408.1K−5.3%131.0K after2 lots10b5-1
Jul 10, 2024 (view filing)Jul 10Same dayBlum Robert IPresident & CEOSSale−11.5K$54.29−$624.3K−2.8%399.4K after10b5-1
Jul 16, 2024 (view filing)Jul 151 dayParshall B LynneDirectorSSale−5.00K$55.82−$279.1K−19.5%20.6K after10b5-1
Jul 23, 2024 (view filing)Jul 23Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.30K$57.02−$416.2K−5.4%129.0K after2 lots10b5-1
Jul 31, 2024 (view filing)Jul 301 dayBlum Robert IPresident & CEOSSale−11.5K$59.49−$684.1K−2.8%399.4K after10b5-1
Jul 31, 2024 (view filing)Jul 292 daysParshall B LynneDirectorSSale−5.00K$59.84−$299.2K−19.5%20.6K after10b5-1
Aug 7, 2024 (view filing)Aug 61 dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.30K$53.71−$392.1K−5.6%123.7K after2 lots10b5-1
Aug 12, 2024 (view filing)Aug 12Same dayParshall B LynneDirectorSSale−5.00K$55.20−$276.0K−19.5%20.6K after10b5-1