SEC CIK 1226488
HENDERSON JOHN T
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| CYTKview stock → | 78,712 | 2026-10-16 |
| MYGNview stock → | 76,040 | 2019-12-05 |
Position History — CYTK
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — CYTK
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-10-16 | Grant / award | 352 | $63.92 | 78,712 |
| 2026-07-15 | Grant / award | 272 | $82.62 | 78,360 |
| 2026-05-27 | Grant / award (derivative) | 4,301 | $0.00 | 4,301 |
| 2026-05-27 | Grant / award | 2,851 | $0.00 | 78,088 |
| 2026-05-05 | Option exercise (derivative) | 20,000 | $0.00 | 0 |
| 2026-05-05 | Option exercise | 20,000 | $7.61 | 95,237 |
| 2026-05-05 | Open-market sale | 20,000 | $75.97 | 75,237 |
| 2026-04-15 | Grant / award | 325 | $65.37 | 75,237 |
| 2026-01-15 | Grant / award | 334 | $63.44 | 74,912 |
| 2025-12-02 | Option exercise (derivative) | 8,750 | $0.00 | 0 |
| 2025-12-02 | Open-market sale | 8,750 | $63.90 | 74,578 |
| 2025-12-02 | Option exercise | 8,750 | $10.00 | 83,328 |
| 2025-10-15 | Grant / award | 338 | $62.80 | 74,578 |
| 2025-07-15 | Grant / award | 559 | $38.01 | 74,240 |
| 2025-05-14 | Grant / award (derivative) | 10,880 | $0.00 | 10,880 |
| 2025-05-14 | Grant / award | 7,333 | $0.00 | 73,681 |
| 2025-04-15 | Grant / award | 551 | $38.56 | 66,348 |
| 2025-04-15 | Option exercise (derivative) | 20,000 | $0.00 | 0 |
| 2025-04-15 | Option exercise | 20,000 | $6.21 | 69,538 |
| 2025-04-15 | Open-market sale | 3,190 | $38.66 | 66,348 |
| 2025-01-02 | Grant / award | 434 | $48.93 | 48,987 |
| 2024-12-11 | Option exercise (derivative) | 10,092 | $0.00 | 0 |
| 2024-12-11 | Option exercise (derivative) | 1,780 | $0.00 | 10,092 |
| 2024-12-11 | Open-market sale | 1,780 | $50.42 | 38,461 |
| 2024-12-11 | Option exercise | 1,780 | $7.37 | 40,241 |
| 2024-12-11 | Option exercise | 10,092 | $7.37 | 48,553 |
| 2024-10-01 | Grant / award | 403 | $52.60 | 38,461 |
| 2024-07-01 | Grant / award | 388 | $0.00 | 38,058 |
| 2024-05-15 | Grant / award (derivative) | 3,636 | $0.00 | 3,636 |
| 2024-05-15 | Grant / award | 5,600 | $0.00 | 37,670 |
| 2024-04-25 | Open-market sale | 10,562 | $64.54 | 32,070 |
| 2024-02-14 | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2024-02-14 | Option exercise | 5,000 | $4.44 | 47,632 |
| 2024-02-14 | Open-market sale | 5,000 | $76.48 | 42,632 |
| 2024-01-12 | Option exercise (derivative) | 5,000 | $0.00 | 5,000 |
| 2024-01-12 | Open-market sale | 5,000 | $85.14 | 42,632 |
| 2024-01-12 | Option exercise | 5,000 | $4.44 | 47,632 |
| 2024-01-02 | Grant / award | 252 | $84.12 | 42,632 |
| 2023-12-18 | Option exercise (derivative) | 13,020 | $0.00 | 0 |
| 2023-12-18 | Open-market sale | 2,458 | $36.34 | 42,380 |
| 2023-12-18 | Option exercise | 13,020 | $6.72 | 44,838 |
| 2023-10-02 | Grant / award | 762 | $27.88 | 31,818 |
| 2023-07-03 | Grant / award | 636 | $33.36 | 31,056 |
| 2023-05-15 | Option exercise (derivative) | 4,166 | $0.00 | 0 |
| 2023-05-15 | Option exercise | 4,166 | $6.78 | 29,586 |
| 2023-05-15 | Open-market sale | 4,166 | $37.77 | 25,420 |
| 2023-05-10 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2023-05-10 | Grant / award | 5,000 | $0.00 | 30,420 |
| 2023-04-03 | Grant / award | 530 | $37.71 | 25,420 |
| 2023-01-03 | Grant / award | 450 | $44.35 | 24,890 |
| 2022-10-03 | Grant / award | 391 | $51.11 | 24,440 |
| 2022-09-12 | Option exercise (derivative) | 7,259 | $0.00 | 0 |
| 2022-09-12 | Option exercise (derivative) | 7,250 | $0.00 | 14,509 |
| 2022-09-12 | Option exercise (derivative) | 7,250 | $0.00 | 7,259 |
| 2022-09-12 | Option exercise | 7,250 | $4.02 | 31,299 |
| 2022-09-12 | Option exercise | 7,259 | $4.02 | 31,308 |
| 2022-09-12 | Open-market sale | 7,250 | $54.94 | 24,049 |
| 2022-07-01 | Grant / award | 487 | $41.00 | 24,049 |
| 2022-05-10 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2022-05-10 | Grant / award | 5,000 | $0.00 | 23,562 |
| 2022-04-01 | Grant / award | 488 | $38.38 | 18,562 |
| 2022-03-01 | Option exercise (derivative) | 4,166 | $0.00 | 0 |
| 2022-03-01 | Option exercise | 4,166 | $5.46 | 18,074 |
| 2022-01-03 | Grant / award | 244 | $46.00 | 13,499 |
| 2021-11-05 | Option exercise (derivative) | 8,503 | $0.00 | 0 |
| 2021-11-05 | Open-market sale | 8,503 | $40.00 | 13,255 |
| 2021-11-05 | Option exercise | 8,503 | $5.88 | 21,758 |
| 2021-10-01 | Grant / award | 306 | $36.74 | 13,255 |
| 2021-07-07 | Grant / award | 63 | $19.77 | 12,949 |
| 2021-07-01 | Grant / award | 476 | $20.98 | 12,886 |
| 2021-05-12 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2021-05-12 | Grant / award | 5,000 | $0.00 | 12,410 |
| 2021-04-01 | Option exercise (derivative) | 1,100 | $0.00 | 1,100 |
| 2021-04-01 | Option exercise (derivative) | 1,133 | $0.00 | 2,200 |
| 2021-04-01 | Option exercise (derivative) | 1,100 | $0.00 | 0 |
| 2021-04-01 | Option exercise | 1,100 | $8.64 | 8,510 |
| 2021-04-01 | Open-market sale | 1,133 | $24.00 | 7,410 |
| 2021-04-01 | Option exercise | 1,133 | $8.64 | 8,543 |
| 2021-04-01 | Grant / award | 409 | $24.44 | 7,819 |
| 2021-01-04 | Grant / award | 511 | $19.56 | 1,410 |
| 2020-12-31 | Option exercise (derivative) | 858 | $0.00 | 0 |
| 2020-12-31 | Open-market sale | 858 | $20.31 | 899 |
| 2020-12-31 | Option exercise | 858 | $12.96 | 1,757 |
| 2020-10-05 | Option exercise (derivative) | 1,500 | $0.00 | 858 |
| 2020-10-05 | Option exercise (derivative) | 1,500 | $0.00 | 2,358 |
| 2020-10-05 | Open-market sale | 1,500 | $30.00 | 899 |
| 2020-10-05 | Option exercise | 1,500 | $12.96 | 2,399 |
| 2020-05-19 | Option exercise (derivative) | 3,333 | $20.93 | 0 |
| 2020-05-19 | Option exercise | 3,333 | $16.86 | 3,583 |
| 2020-05-19 | Tax withholding | 2,684 | $20.93 | 899 |
| 2020-05-19 | Tax withholding | 2,684 | $20.93 | 6,899 |
| 2020-05-19 | Option exercise | 3,333 | $16.86 | 9,583 |
| 2020-05-13 | Grant / award (derivative) | 20,000 | $21.61 | 20,000 |
| 2020-02-12 | Grant / award (derivative) | 6,415 | $15.43 | 6,415 |
| 2020-01-02 | Grant / award (derivative) | 1,517 | $10.55 | 1,517 |
| 2020-01-02 | Grant / award (derivative) | 9,479 | $10.55 | 9,479 |
| 2019-11-19 | Open-market buy | 6,000 | $8.57 | 6,250 |
| 2019-05-15 | Grant / award (derivative) | 20,000 | $10.68 | 20,000 |
| 2019-05-15 | Grant / award (derivative) | 20,000 | $10.68 | 20,000 |
| 2019-01-02 | Grant / award (derivative) | 8,247 | $6.82 | 8,247 |
| 2018-05-16 | Grant / award (derivative) | 20,000 | $9.45 | 20,000 |
| 2018-01-02 | Grant / award (derivative) | 11,428 | $3.50 | 11,428 |
| 2017-05-18 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2017-01-03 | Grant / award (derivative) | 8,064 | $4.96 | 8,064 |
| 2016-05-18 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2016-01-04 | Grant / award (derivative) | 8,750 | $4.00 | 8,750 |
| 2015-05-20 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2015-01-02 | Grant / award (derivative) | 11,872 | $2.95 | 11,872 |
| 2014-05-21 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2014-01-02 | Grant / award (derivative) | 13,020 | $2.69 | 13,020 |
| 2013-05-22 | Grant / award (derivative) | 25,000 | $0.00 | 25,000 |
| 2013-01-02 | Grant / award (derivative) | 130,558 | $0.27 | 130,558 |
| 2012-05-22 | Grant / award (derivative) | 25,000 | $0.00 | 25,000 |
| 2012-01-03 | Grant / award (derivative) | 51,020 | $0.39 | 51,020 |
| 2011-05-18 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2011-01-03 | Grant / award (derivative) | 23,148 | $0.86 | 23,148 |
| 2010-05-20 | Grant / award (derivative) | 20,000 | $0.00 | 20,000 |
| 2010-01-04 | Grant / award (derivative) | 16,077 | $1.24 | 16,077 |
| 2009-05-21 | Grant / award (derivative) | 15,000 | $0.00 | 15,000 |
| 2009-04-01 | Grant / award (derivative) | 21,428 | $0.70 | 21,428 |
| 2009-02-19 | Grant / award (derivative) | 30,000 | $0.00 | 30,000 |
| 2009-02-19 | — | — | — | 500 |
| 2009-02-19 | — | — | — | 1,500 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.