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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| CYTK | Blum Robert I | President & CEO | Jul 27 '26 | Option Exercise | 10.60 | 7,500 | 79,500 | 385,320 | Jul 27 |
| CYTK | Blum Robert I | President & CEO | Jul 27 '26 | Sale | 80.87 | 7,500 | 606,525 | 377,820 | Jul 27 |
| CYTK | Blum Robert I | President & CEO | Jul 13 '26 | Option Exercise | 10.60 | 7,490 | 79,394 | 385,310 | Jul 14 |
| CYTK | Blum Robert I | President & CEO | Jul 13 '26 | Sale | 82.02 | 7,490 | 614,330 | 377,820 | Jul 14 |
| CYTK | Blum Robert I | President & CEO | Jul 01 '26 | Sale | 84.92 | 7,500 | 636,900 | 377,830 | Jul 02 |
| CYTK | Blum Robert I | President & CEO | Jun 15 '26 | Sale | 70.46 | 7,500 | 528,450 | 385,330 | Jun 15 |
| CYTK | Blum Robert I | President & CEO | May 27 '26 | Sale | 77.21 | 7,500 | 579,075 | 392,830 | May 28 |
| CYTK | Blum Robert I | President & CEO | May 14 '26 | Sale | 77.92 | 7,500 | 584,400 | 400,330 | May 14 |
| CYTK | Blum Robert I | President & CEO | Apr 29 '26 | Sale | 59.62 | 7,500 | 447,150 | 407,830 | Apr 29 |
| CYTK | Blum Robert I | President & CEO | Apr 15 '26 | Sale | 65.38 | 7,500 | 490,350 | 415,330 | Apr 15 |
| CYTK | Blum Robert I | President & CEO | Apr 01 '26 | Sale | 66.63 | 7,500 | 499,725 | 422,830 | Apr 01 |
| CYTK | Blum Robert I | President & CEO | Mar 17 '26 | Sale | 62.15 | 36,601 | 2,274,752 | 430,330 | Mar 18 |
| CYTK | Blum Robert I | President & CEO | Mar 09 '26 | Sale | 60.72 | 7,931 | 481,570 | 391,673 | Mar 10 |
| CYTK | Blum Robert I | President & CEO | Dec 22 '25 | Option Exercise | 6.67 | 71,233 | 475,124 | 404,929 | Dec 23 |
| CYTK | Blum Robert I | President & CEO | Oct 30 '25 | Sale | 62.86 | 5,000 | 314,300 | 358,108 | Oct 30 |
| CYTK | Blum Robert I | President & CEO | Oct 16 '25 | Sale | 60.03 | 5,000 | 300,150 | 363,108 | Oct 16 |
| CYTK | Blum Robert I | President & CEO | Oct 01 '25 | Sale | 55.05 | 5,000 | 275,250 | 368,108 | Oct 01 |
| CYTK | Blum Robert I | President & CEO | Sep 15 '25 | Sale | 49.77 | 5,000 | 248,850 | 373,108 | Sep 15 |
| CYTK | Blum Robert I | President & CEO | Sep 02 '25 | Sale | 48.76 | 5,000 | 243,800 | 378,108 | Sep 02 |
| CYTK | Blum Robert I | President & CEO | Aug 15 '25 | Sale | 38.42 | 5,000 | 192,100 | 383,108 | Aug 15 |
| CYTK | Blum Robert I | President & CEO | Jul 29 '25 | Sale | 36.45 | 5,000 | 182,250 | 388,108 | Jul 31 |
| CYTK | Blum Robert I | President & CEO | Jul 14 '25 | Sale | 38.15 | 5,000 | 190,750 | 393,108 | Jul 15 |
| CYTK | Blum Robert I | President & CEO | Jul 01 '25 | Sale | 33.55 | 5,000 | 167,750 | 398,108 | Jul 02 |
| CYTK | Blum Robert I | President & CEO | Jun 16 '25 | Sale | 33.80 | 5,000 | 169,000 | 403,108 | Jun 16 |
| CYTK | Blum Robert I | President & CEO | Jun 02 '25 | Sale | 31.22 | 5,000 | 156,100 | 408,108 | Jun 02 |
| CYTK | Blum Robert I | President & CEO | May 16 '25 | Sale | 30.93 | 5,000 | 154,650 | 412,629 | May 16 |
| CYTK | Blum Robert I | President & CEO | Apr 29 '25 | Sale | 40.96 | 5,000 | 204,800 | 417,629 | Apr 29 |
| CYTK | Blum Robert I | President & CEO | Apr 10 '25 | Sale | 36.77 | 5,000 | 183,850 | 422,629 | Apr 10 |
| CYTK | Blum Robert I | President & CEO | Mar 31 '25 | Sale | 40.75 | 15,000 | 611,250 | 427,629 | Mar 31 |
| CYTK | Blum Robert I | President & CEO | Mar 17 '25 | Sale | 44.56 | 37,648 | 1,677,568 | 326,533 | Mar 17 |
| CYTK | Blum Robert I | President & CEO | Mar 06 '25 | Sale | 43.44 | 16,970 | 737,177 | 364,181 | Mar 07 |
| CYTK | Blum Robert I | President & CEO | Mar 05 '25 | Sale | 43.23 | 25,000 | 1,080,750 | 381,151 | Mar 05 |
| CYTK | Blum Robert I | President & CEO | Mar 03 '25 | Sale | 42.88 | 8,743 | 374,900 | 406,151 | Mar 05 |
| CYTK | Blum Robert I | President & CEO | Dec 02 '24 | Option Exercise | 6.67 | 5,000 | 33,350 | 402,678 | Dec 02 |
| CYTK | Blum Robert I | President & CEO | Dec 02 '24 | Sale | 50.76 | 5,000 | 253,800 | 397,678 | Dec 02 |
| CYTK | Blum Robert I | President & CEO | Nov 18 '24 | Option Exercise | 6.67 | 5,000 | 33,350 | 402,456 | Nov 19 |
| CYTK | Blum Robert I | President & CEO | Nov 18 '24 | Sale | 50.55 | 5,000 | 252,750 | 397,456 | Nov 19 |
| CYTK | Blum Robert I | President & CEO | Nov 01 '24 | Option Exercise | 6.67 | 5,000 | 33,350 | 402,456 | Nov 04 |
| CYTK | Blum Robert I | President & CEO | Nov 01 '24 | Sale | 51.63 | 5,000 | 258,150 | 397,456 | Nov 04 |
| CYTK | Blum Robert I | President & CEO | Oct 09 '24 | Option Exercise | 6.67 | 5,000 | 33,350 | 402,456 | Oct 10 |
| CYTK | Blum Robert I | President & CEO | Oct 09 '24 | Sale | 55.61 | 5,000 | 278,050 | 397,456 | Oct 10 |
| CYTK | Blum Robert I | President & CEO | Sep 30 '24 | Option Exercise | 6.67 | 5,000 | 33,350 | 402,456 | Sep 30 |
| CYTK | Blum Robert I | President & CEO | Sep 30 '24 | Sale | 52.14 | 5,000 | 260,700 | 397,456 | Sep 30 |
| CYTK | Blum Robert I | President & CEO | Sep 16 '24 | Option Exercise | 6.67 | 5,000 | 33,350 | 402,456 | Sep 17 |
| CYTK | Blum Robert I | President & CEO | Sep 16 '24 | Sale | 55.99 | 5,000 | 279,950 | 397,456 | Sep 17 |