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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 19 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
19 filings
6 insiders, $15.9M in total
Insiders trading
6
Net value
−$15.9M
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
Blum Robert IPresident & CEO278,544Sep 28, 202623
Malik Fady IbrahamEVP Research & Development153,902Sep 22, 202622
Landry Robert EDirector8,184Sep 15, 20263
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
Aug 12, 2024 (view filing)Aug 12Same dayBlum Robert IPresident & CEOSSale−11.5K$55.17−$634.5K−2.8%399.4K after10b5-1
Aug 22, 2024 (view filing)Aug 202 daysMalik Fady IbrahamEVP Research & DevelopmentSSale−7.30K$56.25−$410.6K−5.5%125.0K after2 lots10b5-1
Aug 26, 2024 (view filing)Aug 26Same dayParshall B LynneDirectorSSale−5.00K$57.26−$286.3K−19.5%20.6K after10b5-1
Sep 3, 2024 (view filing)Sep 3Same dayBlum Robert IPresident & CEOSSale−5.00K$57.03−$285.1K−1.2%397.5K after10b5-1
Sep 3, 2024 (view filing)Sep 3Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.38K$57.01−$421.0K−5.7%122.9K after2 lots10b5-1
Sep 9, 2024 (view filing)Sep 9Same dayParshall B LynneDirectorSSale−5.00K$54.92−$274.6K−19.5%20.6K after10b5-1
Sep 17, 2024 (view filing)Sep 161 dayBlum Robert IPresident & CEOSSale−5.00K$55.99−$279.9K−1.2%397.5K after10b5-1
Sep 17, 2024 (view filing)Sep 17Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.30K$56.77−$414.4K−5.7%120.9K after2 lots10b5-1
Sep 30, 2024 (view filing)Sep 30Same dayBlum Robert IPresident & CEOSSale−5.00K$52.14−$260.7K−1.2%397.5K after10b5-1
Oct 1, 2024 (view filing)Oct 1Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.30K$52.10−$380.3K−5.8%118.9K after2 lots10b5-1
Oct 10, 2024 (view filing)Oct 91 dayBlum Robert IPresident & CEOSSale−5.00K$55.61−$278.1K−1.2%397.5K after10b5-1
Oct 16, 2024 (view filing)Oct 151 dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.30K$54.19−$395.6K−5.9%116.9K after2 lots10b5-1
Oct 31, 2024 (view filing)Oct 301 dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.30K$51.91−$378.9K−6.0%114.9K after2 lots10b5-1
Oct 31, 2024 (view filing)Oct 283 daysLateWierenga WendallDirectorSSale−4.45K$52.25−$232.6K−15.3%24.6K after10b5-1
Nov 4, 2024 (view filing)Nov 13 daysBlum Robert IPresident & CEOSSale−5.00K$51.63−$258.1K−1.2%397.5K after10b5-1
Nov 13, 2024 (view filing)Nov 121 dayMalik Fady IbrahamEVP Research & DevelopmentSSale−6.34K$58.48−$370.9K−5.3%113.9K after2 lots10b5-1
Nov 19, 2024 (view filing)Nov 181 dayBlum Robert IPresident & CEOSSale−5.00K$50.55−$252.8K−1.2%397.5K after10b5-1
Nov 26, 2024 (view filing)Nov 251 dayWierenga WendallDirectorSSale−742$50.00−$37.1K−2.9%24.6K after10b5-1
Nov 26, 2024 (view filing)Nov 26Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.30K$50.16−$366.2K−6.1%111.9K after2 lots10b5-1
Dec 2, 2024 (view filing)Dec 2Same dayBlum Robert IPresident & CEOSSale−5.00K$50.76−$253.8K−1.2%397.7K after10b5-1
Dec 10, 2024 (view filing)Dec 10Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−7.30K$50.64−$369.6K−5.9%116.1K after2 lots10b5-1
Dec 12, 2024 (view filing)Dec 111 dayHenderson John TDirectorSSale−1.78K$50.42−$89.7K−4.4%38.5K after10b5-1
Dec 16, 2024 (view filing)Dec 16Same dayWierenga WendallDirectorSSale−742$48.61−$36.1K−2.9%24.6K after10b5-1
Jan 10, 2025 (view filing)Jan 73 daysMalik Fady IbrahamEVP Research & DevelopmentSSale−2.00K$49.32−$98.6K−1.7%116.1K after10b5-1
Jan 21, 2025 (view filing)Jan 21Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−2.00K$45.92−$91.8K−1.7%116.1K after10b5-1
Feb 4, 2025 (view filing)Feb 4Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−2.00K$48.06−$96.1K−1.7%116.1K after10b5-1
Feb 18, 2025 (view filing)Feb 18Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−2.00K$45.98−$92.0K−1.7%116.1K after10b5-1
Mar 4, 2025 (view filing)Mar 4Same dayHarrington Robert ArthurDirectorSSale−900$42.50−$38.3K−5.6%15.1K after10b5-1
Mar 4, 2025 (view filing)Mar 4Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−2.00K$42.50−$85.0K−1.7%116.1K after10b5-1
Mar 5, 2025 (view filing)Mar 32 daysBlum Robert IPresident & CEOSSale−8.74K$42.88−$374.9K−2.1%406.2K after
Mar 5, 2025 (view filing)Mar 32 daysCallos AndrewEVP, Chief Commercial OfficerSSale−1.11K$42.88−$47.8K−1.6%67.8K after
Mar 5, 2025 (view filing)Mar 32 daysMalik Fady IbrahamEVP Research & DevelopmentSSale−2.45K$42.88−$105.0K−2.1%113.6K after
Mar 5, 2025 (view filing)Mar 5Same dayBlum Robert IPresident & CEOSSale−25.0K$43.23−$1.08M−6.2%381.2K after10b5-1
Mar 7, 2025 (view filing)Mar 61 dayBlum Robert IPresident & CEOSSale−17.0K$43.44−$737.2K−4.5%364.2K after
Mar 7, 2025 (view filing)Mar 61 dayMalik Fady IbrahamEVP Research & DevelopmentSSale−8.23K$43.27−$356.0K−7.2%105.4K after
Mar 7, 2025 (view filing)Mar 61 dayCallos AndrewEVP, Chief Commercial OfficerSSale−3.34K$43.27−$144.6K−4.9%64.4K after
Mar 13, 2025 (view filing)Mar 13Same dayCallos AndrewEVP, Chief Commercial OfficerSSale−26.8K$43.62−$1.17M−41.5%37.7K after10b5-1
Mar 14, 2025 (view filing)Mar 14Same dayCallos AndrewEVP, Chief Commercial OfficerSSale−100$45.00−$4.50K−0.3%37.7K after10b5-1
Mar 17, 2025 (view filing)Mar 17Same dayCallos AndrewEVP, Chief Commercial OfficerSSale−20.9K$45.14−$943.4K−35.7%37.7K after10b5-1
Mar 17, 2025 (view filing)Mar 17Same dayBlum Robert IPresident & CEOSSale−25.0K$44.65−$1.12M−6.9%339.2K after10b5-1
Mar 17, 2025 (view filing)Mar 17Same dayBlum Robert IPresident & CEOSSale−12.6K$44.38−$561.3K−3.7%326.5K after
Mar 17, 2025 (view filing)Mar 17Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−4.39K$44.38−$194.8K−4.2%101.0K after
Mar 17, 2025 (view filing)Mar 17Same dayCallos AndrewEVP, Chief Commercial OfficerSSale−2.77K$44.38−$123.2K−7.4%34.9K after
Mar 18, 2025 (view filing)Mar 18Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−2.00K$43.58−$87.2K−1.4%140.5K after10b5-1
Mar 31, 2025 (view filing)Mar 31Same dayBlum Robert IPresident & CEOSSale−15.0K$40.75−$611.3K−3.4%427.6K after10b5-1
Apr 4, 2025 (view filing)Apr 31 dayHarrington Robert ArthurDirectorSSale−450$39.43−$17.7K−3.0%14.7K after10b5-1
Apr 7, 2025 (view filing)Apr 7Same dayCallos AndrewEVP, Chief Commercial OfficerSSale−2.89K$35.78−$103.3K−4.3%64.7K after10b5-1
Apr 8, 2025 (view filing)Apr 8Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−2.00K$36.18−$72.4K−1.4%140.3K after10b5-1
Apr 10, 2025 (view filing)Apr 10Same dayBlum Robert IPresident & CEOSSale−5.00K$36.77−$183.8K−1.2%422.6K after10b5-1
Apr 16, 2025 (view filing)Apr 151 dayHenderson John TDirectorSSale−3.19K$38.66−$123.3K−4.6%66.3K after10b5-1