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 |
| 2026-07-01 Sale | 2026-07-02 5:17 pm | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 1,112 | $87.79 | $97,622 | 89,930 (Direct) | View |
| 2026-06-24 Sale | 2026-06-29 6:05 pm | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 38,730 | $82.3 | $3,187,479 | 225,449 (Direct) | View |
| 2026-06-29 Sale | 2026-06-29 5:23 pm | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 3,134 | $85 | $266,390 | 213,178 (Direct) | View |
| 2026-05-05 Sale | 2026-05-05 4:18 pm | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 23,906 | $76.87 | $1,837,654 | 63,221 (Direct) | View |
| 2026-03-17 Sale | 2026-03-18 5:46 pm | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 4,935 | $62.15 | $306,710 | 87,127 (Direct) | View |
| 2024-03-27 Sale | 2024-03-28 12:18 pm | Vir Biotechnology Inc. | VIR | Lee Sung EVP & Chief Financial Officer | 6,008 | $9.8875 | $59,404 | 100,492 (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 |
| 2026-07-01 Exercise | 2026-07-02 5:17 pm | N/A N/A | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 1,112 | $48.51 | 89,930 (Direct) | View |
| 2026-07-01 Exercise | 2026-07-02 5:17 pm | 2025-06-02 2034-05-30 | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 1,112 | $0 | 89,930 (Direct) | View |
| 2026-06-24 Exercise | 2026-06-29 6:05 pm | N/A N/A | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 24,483 | $48.51 | 225,449 (Direct) | View |
| 2026-06-24 Exercise | 2026-06-29 6:05 pm | 2025-06-02 2034-05-30 | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 38,730 | $0 | 225,449 (Direct) | View |
| 2026-06-24 Exercise | 2026-06-29 6:05 pm | N/A N/A | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 13,134 | $44.36 | 225,449 (Direct) | View |
| 2026-06-29 Exercise | 2026-06-29 5:23 pm | N/A N/A | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 1,113 | $48.51 | 213,178 (Direct) | View |
| 2026-06-29 Exercise | 2026-06-29 5:23 pm | 2025-04-14 2035-03-13 | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 3,134 | $0 | 213,178 (Direct) | View |
| 2026-06-29 Exercise | 2026-06-29 5:23 pm | N/A N/A | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 1,833 | $44.36 | 213,178 (Direct) | View |
| 2026-06-05 Option Award | 2026-06-08 5:49 pm | N/A 2036-06-05 | Tango Therapeutics Inc. | TNGX | Lee Sung Director | 4,140 | $0 | 26,440 (Direct) | View |
| 2026-04-29 Option Award | 2026-05-01 5:26 pm | N/A 2036-04-29 | Tango Therapeutics Inc. | TNGX | Lee Sung Director | 17,500 | $0 | 27,500 (Direct) | View |
| 2026-03-15 Option Award | 2026-03-17 4:05 pm | 2026-04-15 2036-03-14 | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 51,791 | $0 | 123,207 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 4:10 pm | N/A 2036-01-02 | Tango Therapeutics Inc. | TNGX | Lee Sung Director | 70,000 | $0 | 70,000 (Direct) | View |
| 2025-12-22 Tax Withholding | 2025-12-29 4:03 pm | N/A N/A | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 805 | $62.72 | 71,416 (Direct) | View |
| 2025-12-22 Option Award | 2025-12-29 4:03 pm | N/A N/A | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 2,152 | $0 | 71,416 (Direct) | View |
| 2025-12-03 Tax Withholding | 2025-12-05 4:25 pm | N/A N/A | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 1,560 | $65.02 | 67,917 (Direct) | View |
| 2025-06-02 Tax Withholding | 2025-06-03 4:02 pm | N/A N/A | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 4,965 | $31.21 | 69,477 (Direct) | View |
| 2025-03-14 Option Award | 2025-03-18 4:24 pm | 2025-04-14 2035-03-13 | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 83,029 | $0 | 124,784 (Direct) | View |
| 2024-12-03 Tax Withholding | 2024-12-05 4:30 pm | N/A N/A | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 1,536 | $51.51 | 41,755 (Direct) | View |
| 2024-12-03 Option Award | 2024-12-05 4:30 pm | N/A N/A | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 8,607 | $0 | 41,755 (Direct) | View |
| 2024-05-31 Option Award | 2024-06-03 5:07 pm | 2025-06-02 2034-05-30 | CYTOKINETICS INC | CYTK | Lee Sung EVP, Chief Financial Officer | 88,101 | $0 | 88,101 (Direct) | View |
| 2024-02-22 Option Award | 2024-02-26 7:32 pm | N/A 2034-02-21 | Vir Biotechnology Inc. | VIR | Lee Sung EVP & Chief Financial Officer | 120,000 | $0 | 186,500 (Direct) | View |
| 2023-03-27 Option Award | 2023-03-29 5:49 pm | N/A 2033-03-26 | Vir Biotechnology Inc. | VIR | Lee Sung Chief Financial Officer | 199,500 | $0 | 199,500 (Direct) | View |