Robert I Blum
CIK 1288859 · President & CEO · last filed 2026-05-28
Robert I Blum is a President & CEO who has filed 245 SEC Form 4 insider transactions across 2 companies since 2007. The most recent filing shows the insider sold $579.1K of CYTK on May 28, 2026. Across all open-market trades the lifetime net is −$49.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $27.7M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$27.70M
2
245
-$49.51M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CYTK | President & CEO | 394,913 | $70.15 | $27.70M | -$49.59M | 242 | 2026-05-28 |
| Gamida Cell Ltd. (GMDA) Delisted | Director | 96,500 | $0.03 | $3.2K | $77.5K | 3 | 2023-02-10 |
Recent Filings
245 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-28 | CYTK | Sell (S) | −7,500 | -$579.1K | EDGAR |
| 2026-05-14 | CYTK | Sell (S) | −7,500 | -$584.4K | EDGAR |
| 2026-04-29 | CYTK | Sell (S) | −7,500 | -$447.1K | EDGAR |
| 2026-04-15 | CYTK | Sell (S) | −7,500 | -$490.3K | EDGAR |
| 2026-04-01 | CYTK | Sell (S) | −7,500 | -$499.7K | EDGAR |
| 2026-03-18 | CYTK | Sell (S) | −36,601 | -$2.27M | EDGAR |
| 2026-03-17 | CYTK | Grant (A) | +75,258 | $0 | EDGAR |
| 2026-03-10 | CYTK | Sell (S) | −7,931 | -$481.6K | EDGAR |
| 2025-12-29 | CYTK | Mixed | +8,595 | -$184.1K | EDGAR |
| 2025-12-23 | CYTK | Mixed | +40,807 | -$1.60M | EDGAR |