CYTOKINETICS INC (CYTK) Stock Ownership and Short Interest
USA - NASDAQ:CYTK - US23282W6057 - Common Stock
63.59 USD
+1.34 (+2.15%)
63.59 USD
0 (0%)
| Shares Outstanding | 119.66M |
| Float | 117.23M |
| Float Short Interest Percentage | 12.11% |
| Owners (insider) | 0.45% |
| Owners (institutional) | 116.32% |
| Owners (insider) change | -0.8% |
| Owners (institutional) change | -1.34% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Oct 27, 2025 | WIERENGA WENDELL | Option Excercise | 4375 | 10.00 | $ 43,750.00 |
| Oct 27, 2025 | WIERENGA WENDELL | Open Market Sale | 4375 | 58.68 | $ 256,725.00 |
| Oct 21, 2025 | Malik Fady Ibraham | Option Excercise | 2105 | 10.60 | $ 22,313.00 |
| Oct 21, 2025 | Malik Fady Ibraham | Open Market Sale | 2105 | 58.22 | $ 122,553.10 |
| Oct 16, 2025 | Blum Robert I | Open Market Sale | 5000 | 60.03 | $ 300,150.00 |
| Oct 15, 2025 | HENDERSON JOHN T | Grant | 338 | 62.80 | $ 21,226.40 |
| Oct 15, 2025 | Kaye Edward M. MD | Grant | 199 | 62.80 | $ 12,497.20 |
| Oct 15, 2025 | Harrington Robert Arthur | Grant | 199 | 62.80 | $ 12,497.20 |
| Oct 15, 2025 | Wysenski Nancy | Grant | 99 | 62.80 | $ 6,217.20 |
| Oct 15, 2025 | WIERENGA WENDELL | Grant | 99 | 62.80 | $ 6,217.20 |
| Oct 7, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Oct 7, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 60.56 | $ 121,120.00 |
| Oct 6, 2025 | Kaye Edward M. MD | Open Market Sale | 6757 | 60.00 | $ 405,420.00 |
| Oct 1, 2025 | Blum Robert I | Open Market Sale | 5000 | 55.05 | $ 275,250.00 |
| Sep 30, 2025 | Kaye Edward M. MD | Open Market Sale | 6695 | 55.08 | $ 368,760.60 |
| Sep 23, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Sep 23, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 49.28 | $ 98,560.00 |
| Sep 15, 2025 | Blum Robert I | Open Market Sale | 5000 | 49.77 | $ 248,850.00 |
| Sep 9, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Sep 9, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 51.29 | $ 102,580.00 |
| Sep 2, 2025 | Kaye Edward M. MD | Open Market Sale | 6756 | 50.00 | $ 337,800.00 |
| Sep 2, 2025 | Harrington Robert Arthur | Open Market Sale | 2150 | 48.67 | $ 104,640.50 |
| Sep 2, 2025 | Blum Robert I | Open Market Sale | 5000 | 48.76 | $ 243,800.00 |
| Aug 19, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Aug 19, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 38.31 | $ 76,620.00 |
| Aug 15, 2025 | Blum Robert I | Open Market Sale | 5000 | 38.42 | $ 192,100.00 |
| Aug 5, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Aug 5, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 36.34 | $ 72,680.00 |
| Jul 29, 2025 | Blum Robert I | Open Market Sale | 5000 | 36.45 | $ 182,250.00 |
| Jul 22, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Jul 22, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 37.47 | $ 74,940.00 |
| Jul 15, 2025 | WIERENGA WENDALL | Grant | 164 | 38.01 | $ 6,233.64 |
| Jul 15, 2025 | Kaye Edward M. MD | Grant | 328 | 38.01 | $ 12,467.28 |
| Jul 15, 2025 | Harrington Robert Arthur | Grant | 328 | 38.01 | $ 12,467.28 |
| Jul 15, 2025 | Wysenski Nancy | Grant | 164 | 38.01 | $ 6,233.64 |
| Jul 15, 2025 | HENDERSON JOHN T | Grant | 559 | 38.01 | $ 21,247.59 |
| Jul 14, 2025 | Blum Robert I | Open Market Sale | 5000 | 38.15 | $ 190,750.00 |
| Jul 8, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Jul 8, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 33.76 | $ 67,520.00 |
| Jul 1, 2025 | Blum Robert I | Open Market Sale | 5000 | 33.55 | $ 167,750.00 |
| Jun 17, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Jun 17, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 32.91 | $ 65,820.00 |
| Jun 16, 2025 | Blum Robert I | Open Market Sale | 5000 | 33.80 | $ 169,000.00 |
| Jun 5, 2025 | Kaye Edward M. MD | Open Market Sale | 3636 | 32.10 | $ 116,715.60 |
| Jun 5, 2025 | Callos Andrew | Open Market Sale | 8659 | 32.04 | $ 277,434.36 |
| Jun 3, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Jun 3, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 31.88 | $ 63,760.00 |
| Jun 2, 2025 | Blum Robert I | Open Market Sale | 5000 | 31.22 | $ 156,100.00 |
| Jun 2, 2025 | Lee Sung | Option Excercise | 4965 | 31.21 | $ 154,957.65 |
| May 20, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| May 20, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 31.98 | $ 63,960.00 |
| May 16, 2025 | Blum Robert I | Open Market Sale | 5000 | 30.93 | $ 154,650.00 |
| May 15, 2025 | Bhanji Muna | Open Market Sale | 1454 | 29.73 | $ 43,227.42 |
| May 14, 2025 | WIERENGA WENDALL | Grant | 7333 | 0.00 | $ 0.00 |
| May 14, 2025 | Wysenski Nancy | Grant | 7333 | 0.00 | $ 0.00 |
| May 14, 2025 | Bhanji Muna | Grant | 7333 | 0.00 | $ 0.00 |
| May 14, 2025 | HENDERSON JOHN T | Grant | 7333 | 0.00 | $ 0.00 |
| May 14, 2025 | Landry Robert E | Grant | 7333 | 0.00 | $ 0.00 |
| May 14, 2025 | Kaye Edward M. MD | Grant | 7333 | 0.00 | $ 0.00 |
| May 14, 2025 | PARSHALL B LYNNE | Grant | 7333 | 0.00 | $ 0.00 |
| May 14, 2025 | Harrington Robert Arthur | Grant | 7333 | 0.00 | $ 0.00 |
| May 6, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| May 6, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 35.01 | $ 70,020.00 |
| May 5, 2025 | Callos Andrew | Open Market Sale | 4002 | 36.68 | $ 146,793.36 |
| Apr 29, 2025 | Blum Robert I | Open Market Sale | 5000 | 40.96 | $ 204,800.00 |
| Apr 22, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Apr 22, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 38.11 | $ 76,220.00 |
| Apr 21, 2025 | WIERENGA WENDALL | Open Market Sale | 20000 | 38.46 | $ 769,200.00 |
| Apr 21, 2025 | WIERENGA WENDALL | Option Excercise | 20000 | 6.21 | $ 124,200.00 |
| Apr 15, 2025 | HENDERSON JOHN T | Grant | 551 | 38.56 | $ 21,246.56 |
| Apr 15, 2025 | Harrington Robert Arthur | Grant | 324 | 38.56 | $ 12,493.44 |
| Apr 15, 2025 | Kaye Edward M. MD | Grant | 324 | 38.56 | $ 12,493.44 |
| Apr 15, 2025 | WIERENGA WENDALL | Grant | 162 | 38.56 | $ 6,246.72 |
| Apr 15, 2025 | Wysenski Nancy | Grant | 162 | 38.56 | $ 6,246.72 |
| Apr 15, 2025 | HENDERSON JOHN T | Option Excercise | 20000 | 6.21 | $ 124,200.00 |
| Apr 15, 2025 | HENDERSON JOHN T | Open Market Sale | 3190 | 38.66 | $ 123,325.40 |
| Apr 10, 2025 | Blum Robert I | Open Market Sale | 5000 | 36.77 | $ 183,850.00 |
| Apr 8, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Apr 8, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 36.18 | $ 72,360.00 |
| Apr 7, 2025 | Callos Andrew | Open Market Sale | 2886 | 35.78 | $ 103,261.08 |
| Apr 3, 2025 | Harrington Robert Arthur | Open Market Sale | 450 | 39.43 | $ 17,743.50 |
| Mar 31, 2025 | Blum Robert I | Open Market Sale | 15000 | 40.75 | $ 611,250.00 |
| Mar 19, 2025 | Malik Fady Ibraham | Other Disposition | 200 | 0.00 | $ 0.00 |
| Mar 18, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Mar 18, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 43.58 | $ 87,160.00 |
| Mar 17, 2025 | Blum Robert I | Open Market Sale | 25000 | 44.65 | $ 1,116,250.00 |
| Mar 17, 2025 | Callos Andrew | Option Excercise | 20900 | 23.26 | $ 486,134.00 |
| Mar 17, 2025 | Callos Andrew | Open Market Sale | 20900 | 45.14 | $ 943,426.00 |
| Mar 17, 2025 | Callos Andrew | Open Market Sale | 2775 | 44.38 | $ 123,154.50 |
| Mar 17, 2025 | Malik Fady Ibraham | Open Market Sale | 4389 | 44.38 | $ 194,783.82 |
| Mar 17, 2025 | Blum Robert I | Open Market Sale | 12648 | 44.38 | $ 561,318.24 |
| Mar 14, 2025 | Callos Andrew | Option Excercise | 100 | 23.26 | $ 2,326.00 |
| Mar 14, 2025 | Callos Andrew | Open Market Sale | 100 | 45.00 | $ 4,500.00 |
| Mar 14, 2025 | Blum Robert I | Grant | 116096 | 0.00 | $ 0.00 |
| Mar 14, 2025 | Lee Sung | Grant | 32687 | 0.00 | $ 0.00 |
| Mar 14, 2025 | Callos Andrew | Grant | 32687 | 0.00 | $ 0.00 |
| Mar 14, 2025 | Malik Fady Ibraham | Grant | 39450 | 0.00 | $ 0.00 |
| Mar 13, 2025 | Callos Andrew | Open Market Sale | 26771 | 43.62 | $ 1,167,751.02 |
| Mar 6, 2025 | Blum Robert I | Open Market Sale | 16970 | 43.44 | $ 737,176.80 |
| Mar 6, 2025 | Callos Andrew | Open Market Sale | 3341 | 43.27 | $ 144,565.07 |
| Mar 6, 2025 | Malik Fady Ibraham | Open Market Sale | 8228 | 43.27 | $ 356,025.56 |
| Mar 5, 2025 | Blum Robert I | Open Market Sale | 25000 | 43.23 | $ 1,080,750.00 |
| Mar 4, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Mar 4, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 42.50 | $ 85,000.00 |
| Mar 3, 2025 | Blum Robert I | Open Market Sale | 8743 | 42.88 | $ 374,899.84 |
| Mar 3, 2025 | Malik Fady Ibraham | Open Market Sale | 2449 | 42.88 | $ 105,013.12 |
| Mar 3, 2025 | Callos Andrew | Open Market Sale | 1114 | 42.88 | $ 47,768.32 |
| Feb 18, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Feb 18, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 45.98 | $ 91,960.00 |
| Feb 4, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Feb 4, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 48.06 | $ 96,120.00 |
| Jan 21, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Jan 21, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 45.92 | $ 91,840.00 |
| Jan 7, 2025 | Malik Fady Ibraham | Option Excercise | 2000 | 10.60 | $ 21,200.00 |
| Jan 7, 2025 | Malik Fady Ibraham | Open Market Sale | 2000 | 49.32 | $ 98,640.00 |
| Dec 16, 2024 | WIERENGA WENDALL | Option Excercise | 742 | 7.37 | $ 5,468.54 |
| Dec 16, 2024 | WIERENGA WENDALL | Open Market Sale | 742 | 48.61 | $ 36,068.62 |
| Dec 11, 2024 | HENDERSON JOHN T | Option Excercise | 11872 | 7.37 | $ 87,496.64 |
| Dec 11, 2024 | HENDERSON JOHN T | Open Market Sale | 1780 | 50.42 | $ 89,747.60 |
| Dec 10, 2024 | Malik Fady Ibraham | Option Excercise | 5300 | 7.96 | $ 42,188.00 |
| Dec 10, 2024 | Malik Fady Ibraham | Open Market Sale | 7300 | 50.64 | $ 369,639.00 |
| Dec 3, 2024 | Blum Robert I | Grant | 23059 | 0.00 | $ 0.00 |
| Dec 3, 2024 | Blum Robert I | Option Excercise | 5843 | 51.51 | $ 300,972.93 |
| Dec 3, 2024 | Wong Robert | Grant | 1530 | 0.00 | $ 0.00 |
| Dec 3, 2024 | Wong Robert | Option Excercise | 273 | 51.51 | $ 14,062.23 |
| Dec 3, 2024 | Lee Sung | Grant | 8607 | 0.00 | $ 0.00 |
| Dec 3, 2024 | Lee Sung | Option Excercise | 1536 | 51.51 | $ 79,119.36 |
| Dec 3, 2024 | Malik Fady Ibraham | Grant | 8000 | 0.00 | $ 0.00 |
| Dec 3, 2024 | Malik Fady Ibraham | Option Excercise | 2028 | 51.51 | $ 104,462.28 |
| Dec 3, 2024 | Callos Andrew | Grant | 6353 | 0.00 | $ 0.00 |
| Dec 3, 2024 | Callos Andrew | Option Excercise | 1351 | 51.51 | $ 69,590.01 |
| Dec 2, 2024 | Blum Robert I | Open Market Sale | 5000 | 50.76 | $ 253,800.00 |
| Dec 2, 2024 | Blum Robert I | Option Excercise | 5000 | 6.67 | $ 33,350.00 |
| Nov 26, 2024 | Malik Fady Ibraham | Option Excercise | 5300 | 7.96 | $ 42,188.00 |
| Nov 26, 2024 | Malik Fady Ibraham | Open Market Sale | 7300 | 50.16 | $ 366,181.00 |
| Nov 25, 2024 | WIERENGA WENDALL | Option Excercise | 742 | 7.37 | $ 5,468.54 |
| Nov 25, 2024 | WIERENGA WENDALL | Open Market Sale | 742 | 50.00 | $ 37,100.00 |
| Nov 18, 2024 | Blum Robert I | Option Excercise | 5000 | 6.67 | $ 33,350.00 |
| Nov 18, 2024 | Blum Robert I | Open Market Sale | 5000 | 50.55 | $ 252,750.00 |
| Nov 12, 2024 | Malik Fady Ibraham | Option Excercise | 5300 | 7.96 | $ 42,188.00 |
| Nov 12, 2024 | Malik Fady Ibraham | Open Market Sale | 6342 | 58.48 | $ 370,880.16 |