Form 4 Tracker
CYTOKINETICS INC
CYTK

92 insider filings · Latest: Oct 12, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Feb 5, 2026Feb 6 1:17 AMAndrew CallosEVP, Chief Commercial Officer
Sale
15,000$61.93$929.0K50,440(D)

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Feb 2, 2026Feb 2 9:40 PMAndrew CallosEVP, Chief Commercial Officer
Sale
886$62.10$55.0K50,440(D)

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Jan 2, 2026Jan 2 9:34 PMANDREW CALLOS
Proposed Sale
59,570$63.54$3.8M—

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Dec 29, 2025Dec 29 9:27 PMANDREW CALLOS
Proposed Sale
1,809$63.11$114.2K—

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Dec 22, 2025Dec 22 9:26 PMWENDELL WIERENGA
Proposed Sale
20,000$62.72$1.3M—

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Dec 5, 2025Dec 5 9:26 PMANDREW CALLOS
Proposed Sale
53,528$66.54$3.6M—

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Dec 2, 2025Dec 2 9:25 PMJOHN T HENDERSON
Proposed Sale
8,750$66.05$577.9K—

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Dec 1, 2025Dec 1 9:21 PMEDWARD KAYE
Proposed Sale
28,064$68.13$1.9M—

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Nov 19, 2025Nov 19 9:20 PMB LYNNE PARSHALL
Proposed Sale
5,000$66.16$330.8K—

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Nov 11, 2025Nov 12 12:04 PMEDWARD KAYE
Proposed Sale
5,175$62.20$321.9K—

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Oct 27, 2025Oct 27 8:27 PMWENDELL WIERENGA
Proposed Sale
4,375$57.83$253.0K—

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Oct 21, 2025Oct 21 8:20 PMFADY MALIK
Proposed Sale
11,000$59.35$652.9K—

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Oct 6, 2025Oct 6 8:22 PMEDWARD KAYE
Proposed Sale
6,757$56.97$384.9K—

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Oct 1, 2025Oct 1 8:34 PMROBERT BLUM
Proposed Sale
15,000$54.96$824.4K—

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Sep 30, 2025Sep 30 8:29 PMEDWARD KAYE
Proposed Sale
6,695$53.89$360.8K—

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Sep 2, 2025Sep 2 8:36 PMROBERT HARRINGTON
Proposed Sale
4,300$35.33$151.9K—

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Sep 2, 2025Sep 2 8:28 PMEDWARD KAYE
Proposed Sale
6,756$35.33$238.7K—

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Jul 8, 2025Jul 8 8:22 PMFADY MALIK
Proposed Sale
14,000$33.36$467.0K—

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Jun 16, 2025Jun 16 8:21 PMROBERT BLUM
Proposed Sale
35,000$34.38$1.2M—

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Jun 5, 2025Jun 5 9:05 PMEDWARD KAYE
Proposed Sale
3,636$32.41$117.8K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Oct 12, 2026Oct 13 8:00 PMRobert I BlumDirector, President & CEO
Option Exercise
7,500$10.60141,745(D)

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Oct 6, 2026Oct 6 8:25 PMFady Ibraham MalikEVP Research & Development
Option Exercise
3,500$7.8019,886(D)

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Sep 28, 2026Sep 28 8:54 PMRobert I BlumDirector, President & CEO
Option Exercise
7,500$10.60149,245(D)

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Sep 22, 2026Sep 22 10:14 PMFady Ibraham MalikEVP Research & Development
Option Exercise
3,500$7.8023,386(D)

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Sep 14, 2026Sep 15 9:20 PMRobert I BlumDirector, President & CEO
Option Exercise
7,500$10.60156,745(D)

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Sep 8, 2026Sep 8 8:38 PMFady Ibraham MalikEVP Research & Development
Option Exercise
3,500$7.8026,886(D)

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Aug 31, 2026Aug 31 8:57 PMAndrew CallosEVP, Chief Commercial Officer
Option Exercise
10,000$23.260(D)

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Aug 31, 2026Aug 31 8:55 PMRobert I BlumDirector, President & CEO
Option Exercise
7,500$10.60164,245(D)

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Aug 18, 2026Aug 18 8:38 PMFady Ibraham MalikEVP Research & Development
Option Exercise
3,500$7.8030,386(D)

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Aug 10, 2026Aug 10 9:11 PMRobert I BlumDirector, President & CEO
Option Exercise
7,500$10.60171,745(D)

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Jul 30, 2026Jul 30 8:26 PMAndrew CallosEVP, Chief Commercial Officer
Option Exercise
14,000$23.2610,000(D)

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Jul 27, 2026Jul 27 8:33 PMRobert I BlumDirector, President & CEO
Option Exercise
7,500$10.60179,245(D)

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Jul 21, 2026Jul 23 8:09 PMFady Ibraham MalikEVP Research & Development
Option Exercise
3,500$7.8033,886(D)

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Jul 13, 2026Jul 14 7:34 PMRobert I BlumDirector, President & CEO
Option Exercise
7,490$10.60186,745(D)

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Jul 7, 2026Jul 7 9:06 PMFady Ibraham MalikEVP Research & Development
Option Exercise
3,500$7.8037,386(D)

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Jul 1, 2026Jul 2 9:19 PMAndrew CallosEVP, Chief Commercial Officer
Option Exercise
15,000$23.2624,000(D)

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Jul 1, 2026Jul 2 9:17 PMSung LeeEVP, Chief Financial Officer
Option Exercise
1,112$48.5126,709(D)

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Jun 24, 2026Jun 29 10:05 PMSung LeeEVP, Chief Financial Officer
Option Exercise
38,730$48.5127,821(D)

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Jun 29, 2026Jun 29 9:23 PMSung LeeEVP, Chief Financial Officer
Option Exercise
3,134$48.5139,681(D)

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Jun 23, 2026Jun 23 9:41 PMFady Ibraham MalikEVP Research & Development
Option Exercise
3,500$7.8040,886(D)

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