HENDERSON JOHN T - Insider Non-Derivative Transactions at CYTOKINETICS INC (CYTK) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 2, 2025, HENDERSON JOHN T's relationship to CYTOKINETICS INC (CYTK) is Director, and currently has 83,328 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.
HENDERSON JOHN T - Insider Non-Derivative Transactions of CYTK Common Stock
HENDERSON JOHN T - Insider Non-Derivative Transactions at CYTK
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 3, 2025 | Sell -- (Common Stock) | 8750 | 63.9 | 74578 |
| Dec 3, 2025 | M -- (Common Stock) | 8750 | 10 | 83328 |
| Oct 16, 2025 | Acquisition -- (Common Stock) | 338 | 62.8 | 74578 |
| Jul 16, 2025 | Acquisition -- (Common Stock) | 559 | 38.01 | 74240 |
| May 15, 2025 | Acquisition -- (Common Stock) | 7333 | 0 | 73681 |
| Apr 16, 2025 | Sell -- (Common Stock) | 3190 | 38.66 | 66348 |
| Apr 16, 2025 | Acquisition -- (Common Stock) | 551 | 38.56 | 66348 |
| Apr 16, 2025 | M -- (Common Stock) | 20000 | 6.21 | 69538 |
| Jan 3, 2025 | Acquisition -- (Common Stock) | 434 | 48.93 | 48987 |
| Dec 12, 2024 | Sell -- (Common Stock) | 1780 | 50.42 | 38461 |
| Dec 12, 2024 | M -- (Common Stock) | 1780 | 7.37 | 40241 |
| Dec 12, 2024 | M -- (Common Stock) | 10092 | 7.37 | 48553 |
| Oct 2, 2024 | Acquisition -- (Common Stock) | 403 | 52.6 | 38461 |
| Jul 2, 2024 | Acquisition -- (Common Stock) | 388 | 0 | 38058 |
| May 16, 2024 | Acquisition -- (Common Stock) | 5600 | 0 | 37670 |
| Apr 26, 2024 | Sell -- (Common Stock) | 10562 | 64.54 | 32070 |
| Feb 15, 2024 | Sell -- (Common Stock) | 5000 | 76.48 | 42632 |
| Feb 15, 2024 | M -- (Common Stock) | 5000 | 4.44 | 47632 |
| Jan 13, 2024 | Sell -- (Common Stock) | 5000 | 85.14 | 42632 |
| Jan 13, 2024 | M -- (Common Stock) | 5000 | 4.44 | 47632 |
| Jan 3, 2024 | Acquisition -- (Common Stock) | 252 | 84.12 | 42632 |
| Dec 19, 2023 | Sell -- (Common Stock) | 2458 | 36.34 | 42380 |
| Dec 19, 2023 | M -- (Common Stock) | 13020 | 6.72 | 44838 |
| Oct 3, 2023 | Acquisition -- (Common Stock) | 762 | 27.88 | 31818 |
| Jul 4, 2023 | Acquisition -- (Common Stock) | 636 | 33.36 | 31056 |
| May 16, 2023 | Sell -- (Common Stock) | 4166 | 37.77 | 25420 |
| May 16, 2023 | M -- (Common Stock) | 4166 | 6.78 | 29586 |
| May 11, 2023 | Acquisition -- (Common Stock) | 5000 | 0 | 30420 |
| Apr 4, 2023 | Acquisition -- (Common Stock) | 530 | 37.71 | 25420 |
| Jan 4, 2023 | Acquisition -- (Common Stock) | 450 | 44.35 | 24890 |
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