SEC CIK 1793200
Lee Sung
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| SGMOQview stock → | 88,708 | 2020-11-25 |
| CYTKview stock → | 63,221 | 2026-07-01 |
Position History — CYTK
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — CYTK
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-07-01 | Option exercise (derivative) | 1,112 | $0.00 | 26,709 |
| 2026-07-01 | Open-market sale | 1,112 | $87.79 | 63,221 |
| 2026-07-01 | Option exercise | 1,112 | $48.51 | 64,333 |
| 2026-06-29 | Option exercise (derivative) | 823 | $0.00 | 39,681 |
| 2026-06-29 | Option exercise (derivative) | 188 | $0.00 | 8,640 |
| 2026-06-29 | Option exercise (derivative) | 1,113 | $0.00 | 52,304 |
| 2026-06-29 | Option exercise (derivative) | 822 | $0.00 | 40,504 |
| 2026-06-29 | Option exercise (derivative) | 188 | $0.00 | 8,828 |
| 2026-06-29 | Open-market sale | 3,134 | $85.00 | 63,221 |
| 2026-06-29 | Option exercise | 823 | $44.36 | 66,355 |
| 2026-06-29 | Option exercise | 188 | $44.36 | 65,532 |
| 2026-06-29 | Option exercise | 1,113 | $48.51 | 65,344 |
| 2026-06-29 | Option exercise | 822 | $44.36 | 64,231 |
| 2026-06-29 | Option exercise | 188 | $44.36 | 63,409 |
| 2026-06-24 | Option exercise (derivative) | 1,113 | $0.00 | 27,821 |
| 2026-06-24 | Option exercise (derivative) | 822 | $0.00 | 31,197 |
| 2026-06-24 | Option exercise (derivative) | 188 | $0.00 | 6,011 |
| 2026-06-24 | Option exercise (derivative) | 1,113 | $0.00 | 28,934 |
| 2026-06-24 | Option exercise (derivative) | 2,817 | $0.00 | 6,199 |
| 2026-06-24 | Option exercise (derivative) | 9,307 | $0.00 | 32,019 |
| 2026-06-24 | Option exercise (derivative) | 23,370 | $0.00 | 30,047 |
| 2026-06-24 | Open-market sale | 38,730 | $82.30 | 63,221 |
| 2026-06-24 | Option exercise | 1,113 | $48.51 | 101,951 |
| 2026-06-24 | Option exercise | 822 | $44.36 | 100,838 |
| 2026-06-24 | Option exercise | 188 | $44.36 | 100,016 |
| 2026-06-24 | Option exercise | 1,113 | $48.51 | 99,828 |
| 2026-06-24 | Option exercise | 2,817 | $44.36 | 98,715 |
| 2026-06-24 | Option exercise | 9,307 | $44.36 | 95,898 |
| 2026-06-24 | Option exercise | 23,370 | $48.51 | 86,591 |
| 2026-05-05 | Open-market sale | 23,906 | $76.87 | 63,221 |
| 2026-03-17 | Open-market sale | 4,935 | $62.15 | 87,127 |
| 2026-03-15 | Grant / award (derivative) | 29,480 | $0.00 | 29,480 |
| 2026-03-15 | Grant / award (derivative) | 1,665 | $0.00 | 1,665 |
| 2026-03-15 | Grant / award | 20,646 | $0.00 | 92,062 |
| 2025-12-22 | Tax withholding | 805 | $62.72 | 71,416 |
| 2025-12-22 | Grant / award | 2,152 | $0.00 | 72,221 |
| 2025-12-22 | Grant / award | 2,152 | $0.00 | 70,069 |
| 2025-12-03 | Tax withholding | 1,560 | $65.02 | 67,917 |
| 2025-06-02 | Tax withholding | 4,965 | $31.21 | 69,477 |
| 2025-03-14 | Grant / award (derivative) | 9,016 | $0.00 | 9,016 |
| 2025-03-14 | Grant / award (derivative) | 41,326 | $0.00 | 41,326 |
| 2025-03-14 | Grant / award | 32,687 | $0.00 | 74,442 |
| 2024-12-03 | Grant / award | 4,303 | $0.00 | 38,987 |
| 2024-12-03 | Tax withholding | 1,536 | $51.51 | 37,451 |
| 2024-12-03 | Grant / award | 4,304 | $0.00 | 41,755 |
| 2024-05-31 | Grant / award (derivative) | 53,417 | $0.00 | 53,417 |
| 2024-05-31 | Grant / award | 34,684 | $0.00 | 34,684 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.