Blum Robert I - Insider Non-Derivative Transactions at CYTOKINETICS INC (CYTK) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 22, 2025, Blum Robert I's relationship to CYTOKINETICS INC (CYTK) is Director,Officer (President & CEO), and currently has 404,929 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other CYTK insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Blum Robert I - Insider Non-Derivative Transactions of CYTK Common Stock
Blum Robert I - Insider Non-Derivative Transactions at CYTK
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 23, 2025 | F -- (Common Stock) | 30426 | 68.18 | 374503 |
| Dec 23, 2025 | M -- (Common Stock) | 16506 | 6.67 | 391009 |
| Dec 23, 2025 | Acquisition -- (Common Stock) | 5765 | 0 | 396774 |
| Dec 23, 2025 | F -- (Common Stock) | 2935 | 62.72 | 399604 |
| Dec 23, 2025 | Acquisition -- (Common Stock) | 5765 | 0 | 402539 |
| Dec 23, 2025 | M -- (Common Stock) | 54727 | 6.67 | 404929 |
| Dec 4, 2025 | F -- (Common Stock) | 5930 | 65.02 | 350202 |
| Nov 6, 2025 | G -- (Common Stock) | 2000 | 0 | 356108 |
| Oct 31, 2025 | Sell -- (Common Stock) | 5000 | 62.86 | 358108 |
| Oct 17, 2025 | Sell -- (Common Stock) | 5000 | 60.03 | 363108 |
| Oct 2, 2025 | Sell -- (Common Stock) | 5000 | 55.05 | 368108 |
| Sep 16, 2025 | Sell -- (Common Stock) | 5000 | 49.77 | 373108 |
| Sep 3, 2025 | Sell -- (Common Stock) | 5000 | 48.76 | 378108 |
| Aug 16, 2025 | Sell -- (Common Stock) | 5000 | 38.42 | 383108 |
| Jul 30, 2025 | Sell -- (Common Stock) | 5000 | 36.45 | 388108 |
| Jul 15, 2025 | Sell -- (Common Stock) | 5000 | 38.15 | 393108 |
| Jul 2, 2025 | Sell -- (Common Stock) | 5000 | 33.55 | 398108 |
| Jun 17, 2025 | Sell -- (Common Stock) | 5000 | 33.8 | 403108 |
| Jun 3, 2025 | Sell -- (Common Stock) | 5000 | 31.22 | 408108 |
| May 17, 2025 | Sell -- (Common Stock) | 5000 | 30.93 | 412629 |
| Apr 30, 2025 | Sell -- (Common Stock) | 5000 | 40.96 | 417629 |
| Apr 11, 2025 | Sell -- (Common Stock) | 5000 | 36.77 | 422629 |
| Apr 1, 2025 | Sell -- (Common Stock) | 15000 | 40.75 | 427629 |
| Mar 18, 2025 | Sell -- (Common Stock) | 12648 | 44.38 | 326533 |
| Mar 18, 2025 | Sell -- (Common Stock) | 25000 | 44.65 | 339181 |
| Mar 15, 2025 | Acquisition -- (Common Stock) | 116096 | 0 | 480277 |
| Mar 7, 2025 | Sell -- (Common Stock) | 16970 | 43.44 | 364181 |
| Mar 6, 2025 | Sell -- (Common Stock) | 25000 | 43.23 | 381151 |
| Mar 4, 2025 | Sell -- (Common Stock) | 8743 | 42.88 | 406151 |
| Dec 4, 2024 | F -- (Common Stock) | 5843 | 51.51 | 403364 |
| Dec 4, 2024 | Acquisition -- (Common Stock) | 11529 | 0 | 409207 |
| Dec 4, 2024 | Acquisition -- (Common Stock) | 11530 | 0 | 414894 |
| Dec 3, 2024 | Sell -- (Common Stock) | 5000 | 50.76 | 397678 |
| Dec 3, 2024 | M -- (Common Stock) | 5000 | 6.67 | 402678 |
| Nov 19, 2024 | Sell -- (Common Stock) | 5000 | 50.55 | 397456 |
| Nov 19, 2024 | M -- (Common Stock) | 5000 | 6.67 | 402456 |
| Nov 2, 2024 | Sell -- (Common Stock) | 5000 | 51.63 | 397456 |
| Nov 2, 2024 | M -- (Common Stock) | 5000 | 6.67 | 402456 |
| Oct 10, 2024 | Sell -- (Common Stock) | 5000 | 55.61 | 397456 |
| Oct 10, 2024 | M -- (Common Stock) | 5000 | 6.67 | 402456 |
| Oct 1, 2024 | Sell -- (Common Stock) | 5000 | 52.14 | 397456 |
| Oct 1, 2024 | M -- (Common Stock) | 5000 | 6.67 | 402456 |
| Sep 17, 2024 | Sell -- (Common Stock) | 5000 | 55.99 | 397456 |
| Sep 17, 2024 | M -- (Common Stock) | 5000 | 6.67 | 402456 |
| Sep 4, 2024 | Sell -- (Common Stock) | 5000 | 57.03 | 397456 |
| Sep 4, 2024 | M -- (Common Stock) | 5000 | 6.67 | 402456 |
| Aug 20, 2024 | G -- (Common Stock) | 1956 | 0 | 397456 |
| Aug 13, 2024 | Sell -- (Common Stock) | 11500 | 55.17 | 399412 |
| Aug 13, 2024 | M -- (Common Stock) | 11500 | 6.67 | 410912 |
| Jul 31, 2024 | Sell -- (Common Stock) | 11500 | 59.49 | 399412 |
| Jul 31, 2024 | M -- (Common Stock) | 11500 | 6.67 | 410912 |
| Jul 11, 2024 | Sell -- (Common Stock) | 11500 | 54.29 | 399412 |
| Jul 11, 2024 | M -- (Common Stock) | 5767 | 6.67 | 410912 |
| Jul 2, 2024 | Sell -- (Common Stock) | 11500 | 54.05 | 405145 |
| Jun 18, 2024 | Sell -- (Common Stock) | 10949 | 52.59 | 416645 |
| Jun 18, 2024 | Sell -- (Common Stock) | 11551 | 52.6 | 427594 |
| Jun 5, 2024 | Sell -- (Common Stock) | 22500 | 48.85 | 439145 |
| Mar 15, 2024 | Acquisition -- (Common Stock) | 61490 | 0 | 461221 |
| Mar 7, 2024 | F -- (Common Stock) | 16725 | 66.88 | 399731 |
| Mar 5, 2024 | F -- (Common Stock) | 25341 | 67.68 | 416456 |
| Feb 14, 2024 | Sell -- (Common Stock) | 12500 | 76.85 | 441797 |
| Feb 14, 2024 | M -- (Common Stock) | 12500 | 6.67 | 454297 |
| Feb 1, 2024 | Sell -- (Common Stock) | 12500 | 79.57 | 441797 |
| Feb 1, 2024 | M -- (Common Stock) | 12500 | 6.67 | 454297 |
| Jan 20, 2024 | Sell -- (Common Stock) | 12500 | 81.42 | 441797 |
| Jan 20, 2024 | M -- (Common Stock) | 12500 | 6.67 | 454297 |
| Jan 3, 2024 | Sell -- (Common Stock) | 12500 | 85.08 | 441797 |
| Jan 3, 2024 | M -- (Common Stock) | 12500 | 6.67 | 454297 |
| Dec 19, 2023 | Sell -- (Common Stock) | 12500 | 36.95 | 441797 |
| Dec 19, 2023 | M -- (Common Stock) | 12500 | 6.67 | 454297 |
| Dec 1, 2023 | Sell -- (Common Stock) | 12500 | 32.99 | 441417 |
| Dec 1, 2023 | M -- (Common Stock) | 12500 | 6.67 | 453917 |
| Nov 16, 2023 | Sell -- (Common Stock) | 12500 | 34.57 | 441417 |
| Nov 16, 2023 | M -- (Common Stock) | 12500 | 6.67 | 453917 |
| Oct 31, 2023 | Sell -- (Common Stock) | 12500 | 32.17 | 441417 |
| Oct 31, 2023 | M -- (Common Stock) | 12500 | 6.67 | 453917 |
| Oct 17, 2023 | Sell -- (Common Stock) | 12500 | 33.7 | 441417 |
| Oct 17, 2023 | M -- (Common Stock) | 12500 | 6.67 | 453917 |
| Oct 7, 2023 | Sell -- (Common Stock) | 12500 | 30 | 441417 |
| Oct 7, 2023 | M -- (Common Stock) | 12500 | 6.67 | 453917 |
| Sep 14, 2023 | Sell -- (Common Stock) | 12500 | 34.9 | 441417 |
| Sep 14, 2023 | M -- (Common Stock) | 12500 | 6.67 | 453917 |
| Aug 26, 2023 | Sell -- (Common Stock) | 12500 | 33.99 | 441417 |
| Aug 26, 2023 | M -- (Common Stock) | 2500 | 6.67 | 443917 |
| Aug 26, 2023 | M -- (Common Stock) | 10000 | 7.96 | 453917 |
| Aug 12, 2023 | Sell -- (Common Stock) | 792 | 32.37 | 441417 |
| Aug 12, 2023 | Sell -- (Common Stock) | 11708 | 32.37 | 441417 |
| Aug 12, 2023 | M -- (Common Stock) | 792 | 7.96 | 442209 |
| Aug 12, 2023 | M -- (Common Stock) | 11708 | 9.65 | 453125 |
| Aug 2, 2023 | Sell -- (Common Stock) | 1809 | 32.63 | 441417 |
| Aug 2, 2023 | Sell -- (Common Stock) | 10691 | 32.63 | 441417 |
| Aug 2, 2023 | M -- (Common Stock) | 1809 | 9.65 | 443226 |
| Aug 2, 2023 | M -- (Common Stock) | 10691 | 9.65 | 452108 |
| Jul 14, 2023 | Sell -- (Common Stock) | 12500 | 35.28 | 441417 |
| Jul 14, 2023 | M -- (Common Stock) | 12500 | 9.65 | 453917 |
| Jul 4, 2023 | Sell -- (Common Stock) | 12500 | 32.6 | 441417 |
| Jul 4, 2023 | M -- (Common Stock) | 12500 | 9.65 | 453917 |
| Jun 13, 2023 | Sell -- (Common Stock) | 12500 | 37.06 | 441417 |
| Jun 13, 2023 | M -- (Common Stock) | 12500 | 9.65 | 453917 |
| Jun 1, 2023 | Sell -- (Common Stock) | 12500 | 37.67 | 441058 |
| Jun 1, 2023 | M -- (Common Stock) | 12500 | 9.65 | 453558 |
| May 17, 2023 | Sell -- (Common Stock) | 12500 | 37.41 | 441058 |
| May 17, 2023 | M -- (Common Stock) | 12500 | 9.65 | 453558 |
| Apr 29, 2023 | Sell -- (Common Stock) | 12500 | 37.68 | 441058 |
| Apr 29, 2023 | M -- (Common Stock) | 12500 | 9.65 | 453558 |
| Apr 15, 2023 | Sell -- (Common Stock) | 12500 | 35.61 | 441058 |
| Apr 15, 2023 | M -- (Common Stock) | 12500 | 9.65 | 453558 |
| Mar 29, 2023 | Sell -- (Common Stock) | 12500 | 35.05 | 441058 |
| Mar 29, 2023 | M -- (Common Stock) | 12500 | 9.65 | 453558 |
| Mar 16, 2023 | Sell -- (Common Stock) | 12500 | 37.26 | 441058 |
| Mar 16, 2023 | M -- (Common Stock) | 12500 | 9.65 | 453558 |
| Mar 7, 2023 | F -- (Common Stock) | 11900 | 39.13 | 358558 |
| Mar 7, 2023 | Sell -- (Common Stock) | 12500 | 39.94 | 370458 |
| Mar 7, 2023 | M -- (Common Stock) | 12500 | 9.65 | 382958 |
| Mar 7, 2023 | Acquisition -- (Common Stock) | 82500 | 0 | 441058 |
| Mar 3, 2023 | F -- (Common Stock) | 32724 | 39.6 | 370458 |
| Feb 17, 2023 | F -- (Common Stock) | 3230 | 44.13 | 403182 |
| Jan 18, 2023 | Sell -- (Common Stock) | 10000 | 42.43 | 406412 |
| Jan 18, 2023 | M -- (Common Stock) | 10000 | 9.65 | 416412 |
| Jan 5, 2023 | Sell -- (Common Stock) | 10000 | 44.24 | 406412 |
| Jan 5, 2023 | M -- (Common Stock) | 10000 | 9.65 | 416412 |
| Dec 22, 2022 | Sell -- (Common Stock) | 10000 | 43.92 | 406412 |
| Dec 22, 2022 | M -- (Common Stock) | 10000 | 9.65 | 416412 |
| Aug 19, 2022 | G -- (Common Stock) | 3035 | 0 | 406412 |
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