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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 16 sales; 482 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
16 filings
5 insiders, $13.8M in total
Insiders trading
5
Net value
−$13.8M
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, 20269
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 31, 2026 (view filing)4:55 PM ETAug 31Same dayBlum Robert IPresident & CEOSSale−7.50K$70.24−$526.8K−1.9%377.8K after10b5-1
Aug 31, 2026 (view filing)4:57 PM ETAug 31Same dayCallos AndrewEVP, Chief Commercial OfficerSSale−10.0K$70.24−$702.4K−14.6%58.6K after10b5-1
Sep 1, 2026 (view filing)4:51 PM ETSep 1Same dayParshall B LynneDirectorSSale−5.00K$71.48−$357.4K−31.7%10.8K after10b5-1
Sep 8, 2026 (view filing)4:38 PM ETSep 8Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−3.50K$75.46−$264.1K−2.2%153.9K after10b5-1
Sep 11, 2026 (view filing)7:12 PM ETSep 11Same dayLandry Robert EDirectorSSale−1.00K$74.66−$74.7K−9.8%9.18K after10b5-1
Sep 15, 2026 (view filing)5:20 PM ETSep 141 dayBlum Robert IPresident & CEOSSale−7.50K$73.44−$550.8K−1.9%377.8K after10b5-1
Sep 15, 2026 (view filing)5:20 PM ETSep 15Same dayBlum Robert IPresident & CEOSSale−97.9K$69.33−$6.79M−100.0%0 after10b5-1
Sep 15, 2026 (view filing)5:23 PM ETSep 15Same dayLandry Robert EDirectorSSale−1.00K$72.13−$72.1K−10.9%8.18K after10b5-1
Sep 22, 2026 (view filing)6:14 PM ETSep 22Same dayMalik Fady IbrahamEVP Research & DevelopmentSSale−3.50K$68.29−$239.0K−2.2%153.9K after10b5-1
Sep 28, 2026 (view filing)4:54 PM ETSep 28Same dayBlum Robert IPresident & CEOSSale−7.50K$65.46−$490.9K−2.6%278.5K after10b5-1