HENDERSON JOHN T
SEC CIK 1226488 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| CYTK | CYTOKINETICS INC | Dir | 78.4K | — | $5.56M | 48 | 2021-04-01 | 2026-07-15 |
Most active insiders at CYTK, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Blum Robert I | Pres, CEO, Dir | — | $17.08M |
| 2 | Callos Andrew | EVP, Chief Commercial Off | — | $16.02M |
| 3 | Lee Sung | EVP, CFO | — | $5.70M |
| 4 | Malik Fady Ibraham | EVP Research, Development | — | $4.65M |
| 5 | Kaye Edward M. MD | Dir | — | $3.21M |
| 6 | HENDERSON JOHN T | Dir | — | $2.08M |
| 7 | WIERENGA WENDELL | Dir | — | $1.88M |
| 8 | PARSHALL B LYNNE | Dir | — | $1.36M |
| 9 | Landry Robert E | Dir | — | $146.8K |
| 10 | Harrington Robert Arthur | Dir | — | $143.6K |
Transactions 48
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-16 16:31 | 2026-07-15 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $82.62 | +272 | 78.4K | +0.3% | +$22.5K | |
| D | 2026-05-27 19:12 | 2026-05-27 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $0.00 | +2,851 | 78.1K | +4% | $0 |
| DT | 2026-05-05 16:15 | 2026-05-05 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | M - OptEx | $7.61 | +20.0K | 95.2K | +27% | +$152.2K |
| DT | 2026-05-05 16:15 | 2026-05-05 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | S - Sale+OE | $75.97 | -20.0K | 75.2K | -21% | -$1.52M |
| 2026-04-15 18:34 | 2026-04-15 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $65.37 | +325 | 75.2K | +0.4% | +$21.2K | |
| 2026-01-16 | 2026-01-15 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $63.44 | +334 | 74.9K | +0.4% | +$21.2K | |
| D | 2025-12-02 | 2025-12-02 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | M - OptEx | $10.00 | +8,750 | 83.3K | +12% | +$87.5K |
| D | 2025-12-02 | 2025-12-02 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | S - Sale+OE | $63.90 | -8,750 | 74.6K | -11% | -$559.1K |
| 2025-10-16 | 2025-10-15 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $62.80 | +338 | 74.6K | +0.5% | +$21.2K | |
| 2025-07-16 | 2025-07-15 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $38.01 | +559 | 74.2K | +0.8% | +$21.2K | |
| D | 2025-05-14 | 2025-05-14 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $0.00 | +7,333 | 73.7K | +11% | $0 |
| D | 2025-04-16 | 2025-04-15 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | S - Sale+OE | $38.66 | -3,190 | 66.3K | -5% | -$123.3K |
| D | 2025-04-16 | 2025-04-15 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | M - OptEx | $6.21 | +20.0K | 69.5K | +40% | +$124.2K |
| 2025-04-16 | 2025-04-15 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $38.56 | +551 | 66.3K | +0.8% | +$21.2K | |
| 2025-01-06 | 2025-01-02 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $48.93 | +434 | 49.0K | +0.9% | +$21.2K | |
| DM | 2024-12-12 | 2024-12-11 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | M - OptEx | $7.37 | +11.9K | 40.2K | +42% | +$87.5K |
| D | 2024-12-12 | 2024-12-11 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | S - Sale+OE | $50.42 | -1,780 | 38.5K | -4% | -$89.7K |
| 2024-10-03 | 2024-10-01 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $52.60 | +403 | 38.5K | +1% | +$21.2K | |
| 2024-07-03 | 2024-07-01 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $0.00 | +388 | 38.1K | +1% | $0 | |
| D | 2024-05-16 | 2024-05-15 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $0.00 | +5,600 | 37.7K | +17% | $0 |
| 2024-04-25 | 2024-04-25 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | S - Sale | $64.54 | -10.6K | 32.1K | -25% | -$681.7K | |
| D | 2024-02-14 | 2024-02-14 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | S - Sale+OE | $76.48 | -5,000 | 42.6K | -10% | -$382.4K |
| D | 2024-02-14 | 2024-02-14 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | M - OptEx | $4.44 | +5,000 | 47.6K | +12% | +$22.2K |
| D | 2024-01-12 | 2024-01-12 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | M - OptEx | $4.44 | +5,000 | 47.6K | +12% | +$22.2K |
| D | 2024-01-12 | 2024-01-12 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | S - Sale+OE | $85.14 | -5,000 | 42.6K | -10% | -$425.7K |
| 2024-01-03 | 2024-01-02 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $84.12 | +252 | 42.6K | +0.6% | +$21.2K | |
| D | 2023-12-19 | 2023-12-18 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | M - OptEx | $6.72 | +13.0K | 44.8K | +41% | +$87.5K |
| D | 2023-12-19 | 2023-12-18 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | S - Sale+OE | $36.34 | -2,458 | 42.4K | -5% | -$89.3K |
| 2023-10-03 | 2023-10-02 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $27.88 | +762 | 31.8K | +2% | +$21.2K | |
| 2023-07-05 | 2023-07-03 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $33.36 | +636 | 31.1K | +2% | +$21.2K | |
| D | 2023-05-18 | 2023-05-10 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $0.00 | +5,000 | 30.4K | +20% | $0 |
| D | 2023-05-15 | 2023-05-15 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | S - Sale+OE | $37.77 | -4,166 | 25.4K | -14% | -$157.3K |
| D | 2023-05-15 | 2023-05-15 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | M - OptEx | $6.78 | +4,166 | 29.6K | +16% | +$28.2K |
| 2023-04-05 | 2023-04-03 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $37.71 | +530 | 25.4K | +2% | +$20.0K | |
| 2023-01-04 | 2023-01-03 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $44.35 | +450 | 24.9K | +2% | +$20.0K | |
| 2022-10-05 | 2022-10-03 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $51.11 | +391 | 24.4K | +2% | +$20.0K | |
| DM | 2022-09-12 | 2022-09-12 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | S - Sale+OE | $54.94 | -21.8K | 24.0K | -48% | -$1.20M |
| DM | 2022-09-12 | 2022-09-12 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | M - OptEx | $4.02 | +21.8K | 31.3K | +228% | +$87.5K |
| 2022-07-12 | 2022-07-01 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $41.00 | +487 | 24.0K | +2% | +$20.0K | |
| D | 2022-05-11 | 2022-05-10 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $0.00 | +5,000 | 23.6K | +27% | $0 |
| 2022-04-01 | 2022-04-01 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $38.38 | +488 | 18.6K | +3% | +$18.7K | |
| D | 2022-03-01 | 2022-03-01 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | M - OptEx | $5.46 | +4,166 | 18.1K | +30% | +$22.7K |
| A | 2022-02-08 | 2021-04-01 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $24.44 | +409 | 7,819 | +6% | +$9,996 |
| 2022-01-04 | 2022-01-03 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $46.00 | +244 | 13.5K | +2% | +$11.2K | |
| D | 2021-11-05 | 2021-11-05 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | M - OptEx | $5.88 | +8,503 | 21.8K | +64% | +$50.0K |
| D | 2021-11-05 | 2021-11-05 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | S - Sale+OE | $40.00 | -8,503 | 13.3K | -39% | -$340.1K |
| 2021-10-04 | 2021-10-01 | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $36.74 | +306 | 13.3K | +2% | +$11.2K | |
| M | 2021-07-08 | 2021-07-01+ | CYTK | CYTOKINETICS INC | HENDERSON JOHN T | Dir | A - Grant | $20.84 | +539 | 12.9K | +4% | +$11.2K |
Purchase Sale Sale after option exercise All abbreviations