Harrington Robert Arthur
SEC CIK 1923988 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| CYTK | CYTOKINETICS INC | Dir | 21.9K | — | $394.9K | 25 | 2022-05-10 | 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 25
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-16 16:29 | 2026-07-15 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $82.62 | +151 | 21.9K | +0.7% | +$12.5K | |
| D | 2026-05-27 19:13 | 2026-05-27 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $0.00 | +2,851 | 21.8K | +15% | $0 |
| 2026-04-15 18:33 | 2026-04-15 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $65.37 | +191 | 18.9K | +1% | +$12.5K | |
| 2026-01-16 | 2026-01-15 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $63.44 | +197 | 18.7K | +1% | +$12.5K | |
| 2025-12-02 | 2025-12-01 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | S - Sale | $66.80 | -2,150 | 18.5K | -10% | -$143.6K | |
| 2025-10-16 | 2025-10-15 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $62.80 | +199 | 20.7K | +1.0% | +$12.5K | |
| 2025-09-02 | 2025-09-02 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | S - Sale | $48.67 | -2,150 | 20.5K | -9% | -$104.6K | |
| 2025-07-16 | 2025-07-15 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $38.01 | +328 | 22.6K | +1% | +$12.5K | |
| D | 2025-05-19 | 2025-05-14 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $0.00 | +7,333 | 22.3K | +49% | $0 |
| 2025-04-16 | 2025-04-15 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $38.56 | +324 | 15.0K | +2% | +$12.5K | |
| 2025-04-04 | 2025-04-03 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | S - Sale | $39.43 | -450 | 14.7K | -3% | -$17.7K | |
| 2025-03-04 | 2025-03-04 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | S - Sale | $42.50 | -900 | 15.1K | -6% | -$38.2K | |
| 2025-01-06 | 2025-01-02 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $48.93 | +255 | 16.0K | +2% | +$12.5K | |
| 2024-10-03 | 2024-10-01 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $52.60 | +237 | 15.8K | +2% | +$12.5K | |
| 2024-07-08 | 2024-07-05 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | S - Sale | $54.61 | -253 | 15.5K | -2% | -$13.8K | |
| 2024-07-03 | 2024-07-01 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $0.00 | +228 | 15.8K | +1% | $0 | |
| 2024-06-05 | 2024-06-03 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | S - Sale | $48.64 | -1,580 | 15.5K | -9% | -$76.9K | |
| D | 2024-05-16 | 2024-05-15 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $0.00 | +5,600 | 17.1K | +49% | $0 |
| 2024-01-03 | 2024-01-02 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $84.12 | +148 | 11.5K | +1% | +$12.4K | |
| 2023-10-03 | 2023-10-02 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $27.88 | +448 | 11.4K | +4% | +$12.5K | |
| 2023-07-05 | 2023-07-03 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $33.36 | +374 | 10.9K | +4% | +$12.5K | |
| D | 2023-05-18 | 2023-05-10 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $0.00 | +5,000 | 10.6K | +90% | $0 |
| 2023-04-05 | 2023-04-03 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $37.71 | +298 | 5,551 | +6% | +$11.2K | |
| 2023-01-04 | 2023-01-03 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $44.35 | +253 | 5,253 | +5% | +$11.2K | |
| D | 2022-05-11 | 2022-05-10 | CYTK | CYTOKINETICS INC | Harrington Robert Arthur | Dir | A - Grant | $0.00 | +5,000 | 5,000 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations