Robert I. Blum is CEO & President at CYTOKINETICS INC (CYTK). They have made 104 open-market trades across 2 companies since 2006, most recently 2026-10-12.
CIK 0001288859
1 open-market purchase totalling $78K since 2022, against 103 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| CYTK | 278,544 | $17.3M |
| GMDA | 96,500 | $3K |
| Total | $17.3M |
Shares reported on the most recent Form 4, priced at the 2026-10-13 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| CYTK | SELL | 2026-10-12 | 2026-10-13 | $62.88 | $472K | — | — | — |
| CYTK | SELL | 2026-09-28 | 2026-09-28 | $65.46 | $491K | -5.6% | — | — |
| CYTK | SELL · 10b5-1 | 2026-09-14 | 2026-09-15 | $69.62 | $7.3M | -7.3% | -8.3% | — |
| CYTK | SELL | 2026-08-31 | 2026-08-31 | $70.24 | $527K | +5.2% | -6.1% | — |
| CYTK | SELL | 2026-08-10 | 2026-08-10 | $76.76 | $576K | -2.0% | -5.8% | — |
| CYTK | SELL | 2026-07-27 | 2026-07-27 | $80.87 | $607K | +1.3% | -1.6% | — |
| CYTK | SELL | 2026-07-13 | 2026-07-14 | $82.02 | $615K | +0.1% | -8.9% | -22.1% |
| CYTK | SELL | 2026-07-01 | 2026-07-02 | $84.92 | $637K | -4.4% | -11.5% | -23.7% |
| CYTK | SELL | 2026-06-15 | 2026-06-15 | $70.46 | $528K | +13.0% | +13.6% | -0.3% |
| CYTK | SELL | 2026-05-27 | 2026-05-28 | $77.21 | $579K | -10.1% | +14.6% | +4.0% |
| CYTK | SELL | 2026-05-14 | 2026-05-14 | $77.92 | $584K | +0.3% | -7.3% | -1.7% |
| CYTK | SELL | 2026-04-29 | 2026-04-29 | $59.62 | $447K | +24.6% | +28.3% | +32.8% |
| CYTK | SELL | 2026-04-15 | 2026-04-15 | $65.38 | $490K | -6.1% | +15.6% | +24.8% |
| CYTK | SELL | 2026-04-01 | 2026-04-01 | $66.63 | $500K | +0.3% | -4.1% | +28.7% |
| CYTK | SELL | 2026-03-17 | 2026-03-18 | $62.15 | $2.3M | +1.6% | +7.6% | +21.3% |
| CYTK | SELL | 2026-03-09 | 2026-03-10 | $60.72 | $482K | -3.2% | +1.3% | +6.5% |
| CYTK | SELL · 10b5-1 | 2025-10-30 | 2025-10-30 | $62.86 | $314K | +5.3% | +4.6% | +3.2% |
| CYTK | SELL · 10b5-1 | 2025-10-16 | 2025-10-16 | $60.03 | $300K | +6.8% | +15.4% | +11.3% |
| CYTK | SELL · 10b5-1 | 2025-10-01 | 2025-10-01 | $55.05 | $275K | +6.1% | +13.2% | +9.3% |
| CYTK | SELL | 2025-09-15 | 2025-09-15 | $49.77 | $498K | -3.3% | +27.0% | +25.7% |
| CYTK | SELL · 10b5-1 | 2025-09-02 | 2025-09-02 | $48.76 | $244K | +2.5% | +12.9% | +32.4% |
| CYTK | SELL · 10b5-1 | 2025-08-15 | 2025-08-15 | $38.42 | $192K | -2.3% | +27.7% | +69.3% |
| CYTK | SELL · 10b5-1 | 2025-07-29 | 2025-07-31 | $36.45 | $182K | -8.3% | +32.7% | +65.7% |
| CYTK | SELL · 10b5-1 | 2025-07-14 | 2025-07-15 | $38.15 | $191K | -2.7% | +1.4% | +56.0% |
| CYTK | SELL · 10b5-1 | 2025-07-01 | 2025-07-02 | $33.55 | $168K | +11.2% | +7.4% | +60.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.