Blum Robert I Insider Trading -- Recent SEC Form 4 Transactions
Blum Robert I (CIK 1288859) reported 49 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-28). Recent activity: Buy CYTK (7,500 shares), Sell CYTK (7,500 shares), Buy CYTK (7,500 shares), Sell CYTK (7,500 shares), Sell CYTK (1,350 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-28 | CYTOKINETICS INC (CYTK) | President & CEO | Buy | 7,500 | $79,500 |
| 2026-09-28 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $490,950 |
| 2026-09-15 | CYTOKINETICS INC (CYTK) | President & CEO | Buy | 7,500 | $79,500 |
| 2026-09-15 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $550,800 |
| 2026-09-15 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 1,350 | $0 |
| 2026-09-15 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 97,926 | $0 |
| 2026-09-15 | CYTOKINETICS INC (CYTK) | President & CEO | Buy | 97,926 | $0 |
| 2026-09-15 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 97,926 | $6.8M |
| 2026-08-31 | CYTOKINETICS INC (CYTK) | President & CEO | Buy | 7,500 | $79,500 |
| 2026-08-31 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $526,800 |
| 2026-08-10 | CYTOKINETICS INC (CYTK) | President & CEO | Buy | 7,500 | $79,500 |
| 2026-08-10 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $575,700 |
| 2026-07-27 | CYTOKINETICS INC (CYTK) | President & CEO | Buy | 7,500 | $79,500 |
| 2026-07-27 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $606,525 |
| 2026-07-14 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 10 | $820 |
| 2026-07-14 | CYTOKINETICS INC (CYTK) | President & CEO | Buy | 7,490 | $79,394 |
| 2026-07-14 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,490 | $614,330 |
| 2026-07-02 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $636,900 |
| 2026-06-15 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $528,450 |
| 2026-05-28 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $579,075 |
| 2026-05-14 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $584,400 |
| 2026-04-29 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $447,150 |
| 2026-04-15 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $490,350 |
| 2026-04-01 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 7,500 | $499,725 |
| 2026-03-18 | CYTOKINETICS INC (CYTK) | President & CEO | Sell | 12,673 | $787,627 |
Source: SEC Form 4 filings · as of 2026-09-28