Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-09-14 Sale | 2026-09-15 5:20 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 105,426 | $69.62 | $7,340,010 | 439,455 (Indirect Direct) | View |
| 2026-08-31 Sale | 2026-08-31 4:55 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $70.24 | $526,800 | 546,231 (Indirect Direct) | View |
| 2026-08-10 Sale | 2026-08-10 5:11 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $76.76 | $575,700 | 553,731 (Indirect Direct) | View |
| 2026-07-27 Sale | 2026-07-27 4:33 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $80.87 | $606,525 | 561,231 (Indirect Direct) | View |
| 2026-07-13 Sale | 2026-07-14 3:34 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $82.02 | $615,150 | 568,731 (Indirect Direct) | View |
| 2026-07-01 Sale | 2026-07-02 5:20 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $84.92 | $636,900 | 381,996 (Indirect Direct) | View |
| 2026-06-15 Sale | 2026-06-15 4:40 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $70.46 | $528,450 | 389,496 (Indirect Direct) | View |
| 2026-05-27 Sale | 2026-05-28 4:21 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $77.21 | $579,075 | 396,996 (Indirect Direct) | View |
| 2026-05-14 Sale | 2026-05-14 4:26 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $77.92 | $584,400 | 404,496 (Indirect Direct) | View |
| 2026-04-29 Sale | 2026-04-29 4:23 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $59.62 | $447,150 | 411,996 (Indirect Direct) | View |
| 2026-04-15 Sale | 2026-04-15 5:27 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $65.38 | $490,350 | 419,496 (Indirect Direct) | View |
| 2026-04-01 Sale | 2026-04-01 4:34 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $66.63 | $499,725 | 426,996 (Indirect Direct) | View |
| 2026-03-17 Sale | 2026-03-18 5:37 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 36,601 | $62.15 | $2,274,752 | 434,496 (Indirect Direct) | View |
| 2026-03-09 Sale | 2026-03-10 6:00 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,931 | $60.72 | $481,570 | 395,839 (Indirect Direct) | View |
| 2025-10-30 Sale | 2025-10-30 4:25 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $62.86 | $314,300 | 362,274 (Indirect Direct) | View |
| 2025-10-16 Sale | 2025-10-16 5:05 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $60.03 | $300,150 | 367,274 (Indirect Direct) | View |
| 2025-10-01 Sale | 2025-10-01 4:26 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $55.05 | $275,250 | 372,274 (Indirect Direct) | View |
| 2025-09-15 Sale | 2025-09-15 4:47 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $49.77 | $248,850 | 377,274 (Indirect Direct) | View |
| 2025-09-02 Sale | 2025-09-02 4:31 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $48.76 | $243,800 | 382,274 (Indirect Direct) | View |
| 2025-08-15 Sale | 2025-08-15 4:23 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $38.42 | $192,100 | 387,274 (Indirect Direct) | View |
| 2025-07-29 Sale | 2025-07-31 4:38 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $36.45 | $182,250 | 392,274 (Indirect Direct) | View |
| 2025-07-14 Sale | 2025-07-15 5:38 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $38.15 | $190,750 | 397,274 (Indirect Direct) | View |
| 2025-07-01 Sale | 2025-07-02 3:51 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $33.55 | $167,750 | 402,274 (Indirect Direct) | View |
| 2025-06-16 Sale | 2025-06-16 5:19 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $33.8 | $169,000 | 407,274 (Indirect Direct) | View |
| 2025-06-02 Sale | 2025-06-02 4:33 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $31.22 | $156,100 | 412,274 (Indirect Direct) | View |
| 2025-05-16 Sale | 2025-05-16 4:23 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $30.93 | $154,650 | 416,795 (Indirect Direct) | View |
| 2025-04-29 Sale | 2025-04-29 4:33 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $40.96 | $204,800 | 421,795 (Indirect Direct) | View |
| 2025-04-10 Sale | 2025-04-10 5:40 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,000 | $36.77 | $183,850 | 426,795 (Indirect Direct) | View |
| 2025-03-31 Sale | 2025-03-31 4:28 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 15,000 | $40.75 | $611,250 | 431,795 (Indirect Direct) | View |
| 2025-03-17 Sale | 2025-03-17 8:19 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 12,648 | $44.38 | $561,318 | 330,699 (Indirect Direct) | View |
| 2025-03-17 Sale | 2025-03-17 4:36 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 25,000 | $44.65 | $1,116,250 | 343,347 (Indirect Direct) | View |
| 2025-03-06 Sale | 2025-03-07 8:39 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 16,970 | $43.44 | $737,177 | 368,347 (Indirect Direct) | View |
| 2025-03-05 Sale | 2025-03-05 4:43 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 25,000 | $43.23 | $1,080,750 | 385,317 (Indirect Direct) | View |
| 2025-03-03 Sale | 2025-03-05 4:34 pm | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 8,743 | $42.88 | $374,900 | 410,317 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-09-14 Gift | 2026-09-15 5:20 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 99,276 | $0 | 439,455 (Direct) | View |
| 2026-09-14 Exercise | 2026-09-15 5:20 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $10.6 | 439,455 (Direct) | View |
| 2026-09-14 Exercise | 2026-09-15 5:20 pm | 2017-03-28 2027-02-28 | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $0 | 439,455 (Direct) | View |
| 2026-08-31 Exercise | 2026-08-31 4:55 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $10.6 | 546,231 (Direct) | View |
| 2026-08-31 Exercise | 2026-08-31 4:55 pm | 2017-03-28 2027-02-28 | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $0 | 546,231 (Direct) | View |
| 2026-08-10 Exercise | 2026-08-10 5:11 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $10.6 | 553,731 (Direct) | View |
| 2026-08-10 Exercise | 2026-08-10 5:11 pm | 2017-03-28 2027-02-28 | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $0 | 553,731 (Direct) | View |
| 2026-07-27 Exercise | 2026-07-27 4:33 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $10.6 | 561,231 (Direct) | View |
| 2026-07-27 Exercise | 2026-07-27 4:33 pm | 2017-03-28 2027-02-28 | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,500 | $0 | 561,231 (Direct) | View |
| 2026-07-13 Exercise | 2026-07-14 3:34 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,490 | $10.6 | 568,731 (Direct) | View |
| 2026-07-13 Exercise | 2026-07-14 3:34 pm | 2017-03-28 2027-02-28 | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 7,490 | $0 | 568,731 (Direct) | View |
| 2026-03-15 Option Award | 2026-03-17 4:11 pm | 2026-04-15 2036-03-14 | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 188,787 | $0 | 584,626 (Direct) | View |
| 2025-12-22 Option Award | 2025-12-29 4:09 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,765 | $0 | 403,770 (Direct) | View |
| 2025-12-22 Tax Withholding | 2025-12-29 4:09 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 2,935 | $62.72 | 403,770 (Direct) | View |
| 2025-12-22 Exercise | 2025-12-23 4:26 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 71,233 | $6.67 | 395,175 (Direct) | View |
| 2025-12-22 Exercise | 2025-12-23 4:26 pm | 2016-03-23 2026-02-23 | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 71,233 | $0 | 395,175 (Direct) | View |
| 2025-12-22 Tax Withholding | 2025-12-23 4:26 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 30,426 | $68.18 | 395,175 (Direct) | View |
| 2025-12-03 Tax Withholding | 2025-12-05 4:17 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 5,930 | $65.02 | 354,368 (Direct) | View |
| 2025-11-05 Gift | 2025-11-05 4:22 pm | N/A N/A | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 2,000 | $0 | 360,274 (Direct) | View |
| 2025-03-14 Option Award | 2025-03-18 4:08 pm | 2025-04-14 2035-03-13 | CYTOKINETICS INC | CYTK | Blum Robert I President & CEO | 294,897 | $0 | 663,244 (Direct) | View |