Blum Robert I
SEC CIK 1288859 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| CYTK | CYTOKINETICS INC | Pres, CEO, Dir | 0 | — | $54.84M | 201 | 2021-07-06 | 2026-09-15 |
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 201
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-09-15 17:20 | 2026-09-14 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $10.60 | +7,500 | 385.3K | +2% | +$79.5K |
| DT | 2026-09-15 17:20 | 2026-09-14 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $73.44 | -7,500 | 377.8K | -2% | -$550.8K |
| DMT | 2026-09-15 17:20 | 2026-09-14 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | G - Gift | $0.00 | -99.3K | 278.5K | -26% | $0 |
| DTI | 2026-09-15 17:20 | 2026-09-14 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | G - Gift | $0.00 | +97.9K | 97.9K | New | $0 |
| DTI | 2026-09-15 17:20 | 2026-09-15 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $69.33 | -97.9K | 0 | -100% | -$6.79M |
| DT | 2026-08-31 16:55 | 2026-08-31 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $10.60 | +7,500 | 385.3K | +2% | +$79.5K |
| DT | 2026-08-31 16:55 | 2026-08-31 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $70.24 | -7,500 | 377.8K | -2% | -$526.8K |
| DT | 2026-08-10 17:11 | 2026-08-10 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $10.60 | +7,500 | 385.3K | +2% | +$79.5K |
| DT | 2026-08-10 17:11 | 2026-08-10 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $76.76 | -7,500 | 377.8K | -2% | -$575.7K |
| DT | 2026-07-27 16:33 | 2026-07-27 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $10.60 | +7,500 | 385.3K | +2% | +$79.5K |
| DT | 2026-07-27 16:33 | 2026-07-27 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $80.87 | -7,500 | 377.8K | -2% | -$606.5K |
| DMT | 2026-07-14 15:34 | 2026-07-13 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $82.02 | -7,500 | 377.8K | -2% | -$615.1K |
| DT | 2026-07-14 15:34 | 2026-07-13 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $10.60 | +7,490 | 385.3K | +2% | +$79.4K |
| T | 2026-07-02 17:20 | 2026-07-01 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $84.92 | -7,500 | 377.8K | -2% | -$636.9K |
| T | 2026-06-15 16:40 | 2026-06-15 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $70.46 | -7,500 | 385.3K | -2% | -$528.5K |
| T | 2026-05-28 16:21 | 2026-05-27 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $77.21 | -7,500 | 392.8K | -2% | -$579.1K |
| T | 2026-05-14 16:26 | 2026-05-14 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $77.92 | -7,500 | 400.3K | -2% | -$584.4K |
| T | 2026-04-29 16:23 | 2026-04-29 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $59.62 | -7,500 | 407.8K | -2% | -$447.1K |
| T | 2026-04-15 17:27 | 2026-04-15 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $65.38 | -7,500 | 415.3K | -2% | -$490.3K |
| T | 2026-04-01 16:34 | 2026-04-01 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $66.63 | -7,500 | 422.8K | -2% | -$499.7K |
| M | 2026-03-18 | 2026-03-17 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $62.15 | -36.6K | 430.3K | -8% | -$2.27M |
| D | 2026-03-17 | 2026-03-15 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | A - Grant | $0.00 | +75.3K | 466.9K | +19% | $0 |
| 2026-03-10 | 2026-03-09 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $60.72 | -7,931 | 391.7K | -2% | -$481.6K | |
| M | 2025-12-29 | 2025-12-22 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | A - Grant | $0.00 | +11.5K | 396.8K | +3% | $0 |
| 2025-12-29 | 2025-12-22 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | F - Tax | $62.72 | -2,935 | 399.6K | -0.7% | -$184.1K | |
| D | 2025-12-23 | 2025-12-22 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | F - Tax | $68.18 | -30.4K | 374.5K | -8% | -$2.07M |
| DM | 2025-12-23 | 2025-12-22 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +71.2K | 391.0K | +22% | +$475.1K |
| 2025-12-05 | 2025-12-03 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | F - Tax | $65.02 | -5,930 | 350.2K | -2% | -$385.6K | |
| 2025-11-05 | 2025-11-05 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | G - Gift | $0.00 | -2,000 | 356.1K | -0.6% | $0 | |
| 2025-10-30 | 2025-10-30 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $62.86 | -5,000 | 358.1K | -1% | -$314.3K | |
| 2025-10-16 | 2025-10-16 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $60.03 | -5,000 | 363.1K | -1% | -$300.1K | |
| 2025-10-01 | 2025-10-01 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $55.05 | -5,000 | 368.1K | -1% | -$275.2K | |
| 2025-09-15 | 2025-09-15 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $49.77 | -5,000 | 373.1K | -1% | -$248.9K | |
| 2025-09-02 | 2025-09-02 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $48.76 | -5,000 | 378.1K | -1% | -$243.8K | |
| 2025-08-15 | 2025-08-15 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $38.42 | -5,000 | 383.1K | -1% | -$192.1K | |
| 2025-07-31 | 2025-07-29 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $36.45 | -5,000 | 388.1K | -1% | -$182.2K | |
| 2025-07-15 | 2025-07-14 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $38.15 | -5,000 | 393.1K | -1% | -$190.8K | |
| 2025-07-02 | 2025-07-01 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $33.55 | -5,000 | 398.1K | -1% | -$167.8K | |
| 2025-06-16 | 2025-06-16 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $33.80 | -5,000 | 403.1K | -1% | -$169.0K | |
| 2025-06-02 | 2025-06-02 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $31.22 | -5,000 | 408.1K | -1% | -$156.1K | |
| 2025-05-16 | 2025-05-16 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $30.93 | -5,000 | 412.6K | -1% | -$154.7K | |
| 2025-04-29 | 2025-04-29 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $40.96 | -5,000 | 417.6K | -1% | -$204.8K | |
| 2025-04-10 | 2025-04-10 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $36.77 | -5,000 | 422.6K | -1% | -$183.9K | |
| 2025-03-31 | 2025-03-31 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $40.75 | -15.0K | 427.6K | -3% | -$611.2K | |
| D | 2025-03-18 | 2025-03-14 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | A - Grant | $0.00 | +116.1K | 480.3K | +32% | $0 |
| 2025-03-17 | 2025-03-17 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $44.65 | -25.0K | 339.2K | -7% | -$1.12M | |
| 2025-03-17 | 2025-03-17 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $44.38 | -12.6K | 326.5K | -4% | -$561.3K | |
| 2025-03-07 | 2025-03-06 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $43.44 | -17.0K | 364.2K | -4% | -$737.2K | |
| 2025-03-05 | 2025-03-03 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $42.88 | -8,743 | 406.2K | -2% | -$374.9K | |
| 2025-03-05 | 2025-03-05 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $43.23 | -25.0K | 381.2K | -6% | -$1.08M | |
| M | 2024-12-05 | 2024-12-03 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | A - Grant | $0.00 | +23.1K | 414.9K | +6% | $0 |
| 2024-12-05 | 2024-12-03 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | F - Tax | $51.51 | -5,843 | 403.4K | -1% | -$301.0K | |
| D | 2024-12-02 | 2024-12-02 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $50.76 | -5,000 | 397.7K | -1% | -$253.8K |
| D | 2024-12-02 | 2024-12-02 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +5,000 | 402.7K | +1% | +$33.4K |
| D | 2024-11-19 | 2024-11-18 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $50.55 | -5,000 | 397.5K | -1% | -$252.8K |
| D | 2024-11-19 | 2024-11-18 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +5,000 | 402.5K | +1% | +$33.4K |
| D | 2024-11-04 | 2024-11-01 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $51.63 | -5,000 | 397.5K | -1% | -$258.1K |
| D | 2024-11-04 | 2024-11-01 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +5,000 | 402.5K | +1% | +$33.4K |
| D | 2024-10-10 | 2024-10-09 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $55.61 | -5,000 | 397.5K | -1% | -$278.1K |
| D | 2024-10-10 | 2024-10-09 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +5,000 | 402.5K | +1% | +$33.4K |
| D | 2024-09-30 | 2024-09-30 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $52.14 | -5,000 | 397.5K | -1% | -$260.7K |
| D | 2024-09-30 | 2024-09-30 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +5,000 | 402.5K | +1% | +$33.4K |
| D | 2024-09-17 | 2024-09-16 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +5,000 | 402.5K | +1% | +$33.4K |
| D | 2024-09-17 | 2024-09-16 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $55.99 | -5,000 | 397.5K | -1% | -$279.9K |
| D | 2024-09-03 | 2024-09-03 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +5,000 | 402.5K | +1% | +$33.4K |
| D | 2024-09-03 | 2024-09-03 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $57.03 | -5,000 | 397.5K | -1% | -$285.1K |
| 2024-08-19 | 2024-08-19 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | G - Gift | $0.00 | -1,956 | 397.5K | -0.5% | $0 | |
| D | 2024-08-12 | 2024-08-12 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $55.17 | -11.5K | 399.4K | -3% | -$634.5K |
| D | 2024-08-12 | 2024-08-12 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +11.5K | 410.9K | +3% | +$76.7K |
| D | 2024-07-31 | 2024-07-30 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +11.5K | 410.9K | +3% | +$76.7K |
| D | 2024-07-31 | 2024-07-30 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $59.49 | -11.5K | 399.4K | -3% | -$684.1K |
| D | 2024-07-10 | 2024-07-10 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $54.29 | -11.5K | 399.4K | -3% | -$624.3K |
| D | 2024-07-10 | 2024-07-10 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +5,767 | 410.9K | +1% | +$38.5K |
| 2024-07-01 | 2024-07-01 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $54.05 | -11.5K | 405.1K | -3% | -$621.6K | |
| M | 2024-06-17 | 2024-06-17 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $52.60 | -22.5K | 416.6K | -5% | -$1.18M |
| 2024-06-07 | 2024-06-04 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale | $48.85 | -22.5K | 439.1K | -5% | -$1.10M | |
| D | 2024-03-18 | 2024-03-14 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | A - Grant | $0.00 | +61.5K | 461.2K | +15% | $0 |
| M | 2024-03-07 | 2024-03-04+ | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | F - Tax | $67.36 | -42.1K | 399.7K | -10% | -$2.83M |
| D | 2024-02-13 | 2024-02-13 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $76.85 | -12.5K | 441.8K | -3% | -$960.6K |
| D | 2024-02-13 | 2024-02-13 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +12.5K | 454.3K | +3% | +$83.4K |
| D | 2024-02-02 | 2024-01-31 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +12.5K | 454.3K | +3% | +$83.4K |
| D | 2024-02-02 | 2024-01-31 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $79.57 | -12.5K | 441.8K | -3% | -$994.6K |
| D | 2024-01-22 | 2024-01-19 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +12.5K | 454.3K | +3% | +$83.4K |
| D | 2024-01-22 | 2024-01-19 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $81.42 | -12.5K | 441.8K | -3% | -$1.02M |
| D | 2024-01-02 | 2024-01-02 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $85.08 | -12.5K | 441.8K | -3% | -$1.06M |
| D | 2024-01-02 | 2024-01-02 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +12.5K | 454.3K | +3% | +$83.4K |
| D | 2023-12-19 | 2023-12-18 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +12.5K | 454.3K | +3% | +$83.4K |
| D | 2023-12-19 | 2023-12-18 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $36.95 | -12.5K | 441.8K | -3% | -$461.9K |
| D | 2023-12-01 | 2023-11-30 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $32.99 | -12.5K | 441.4K | -3% | -$412.4K |
| D | 2023-12-01 | 2023-11-30 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +12.5K | 453.9K | +3% | +$83.4K |
| D | 2023-11-15 | 2023-11-15 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $34.57 | -12.5K | 441.4K | -3% | -$432.1K |
| D | 2023-11-15 | 2023-11-15 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +12.5K | 453.9K | +3% | +$83.4K |
| D | 2023-10-30 | 2023-10-30 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +12.5K | 453.9K | +3% | +$83.4K |
| D | 2023-10-30 | 2023-10-30 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $32.17 | -12.5K | 441.4K | -3% | -$402.1K |
| D | 2023-10-16 | 2023-10-16 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +12.5K | 453.9K | +3% | +$83.4K |
| D | 2023-10-16 | 2023-10-16 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $33.70 | -12.5K | 441.4K | -3% | -$421.3K |
| D | 2023-10-06 | 2023-10-06 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $30.00 | -12.5K | 441.4K | -3% | -$375.0K |
| D | 2023-10-06 | 2023-10-06 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +12.5K | 453.9K | +3% | +$83.4K |
| D | 2023-09-13 | 2023-09-13 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $34.90 | -12.5K | 441.4K | -3% | -$436.2K |
| D | 2023-09-13 | 2023-09-13 | CYTK | CYTOKINETICS INC | Blum Robert I | Pres, CEO, Dir | M - OptEx | $6.67 | +12.5K | 453.9K | +3% | +$83.4K |
Purchase Sale Sale after option exercise All abbreviations