Blum Robert I Insider Trading Activity
Blum Robert I has been net-selling over the last 12 months with 0 purchases and 13 sales across 1 company.
CYTK is the most-traded position with 13 trades. The largest single transaction was a sale of CYTK for $1.5M on Mar 17, 2026.
Performance Scorecard
Forward stock performance after each transaction by Blum Robert I. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -9.8% | 21% | 19 |
| 90 days | — | -31.5% | 6% | 18 |
| 120 days | — | -42.4% | 6% | 17 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersCYTK · CYTOKINETICS INC
🔒 Subscribe to see trade entries
Pro members see exactly when Blum Robert I bought and sold CYTK.
Upgrade to ProRecent Trades
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Aug 31, 2026 | CYTK | Sell | 7,500 | $70.24 | $527K | −1.9% | CEO | |
Jul 27, 2026 | CYTK | Sell | 7,500 | $80.87 | $607K | −1.9% | CEO | |
May 14, 2026 | CYTK | Sell | 7,500 | $77.92 | $584K | −1.8% | CEO | |
Apr 29, 2026 | CYTK | Sell | 7,500 | $59.62 | $447K | −1.8% | CEO | |
Apr 15, 2026 | CYTK | Sell | 7,500 | $65.38 | $490K | −1.8% | CEO | |
Apr 1, 2026 | CYTK | Sell | 7,500 | $66.63 | $500K | −1.7% | CEO | |
Mar 17, 2026 | CYTK | Sell | 23,928 | $62.15 | $1.5M | −5.3% | CEO | |
Mar 17, 2026 | CYTK | Sell | 12,673 | $62.15 | $788K | −2.7% | CEO | |
Mar 9, 2026 | CYTK | Sell | 7,931 | $60.72 | $482K | −2.0% | CEO | |
Oct 30, 2025 | CYTK | Sell | 5,000 | $62.86 | $314K | −1.4% | CEO | |
Oct 16, 2025 | CYTK | Sell | 5,000 | $60.03 | $300K | −1.4% | CEO | |
Oct 1, 2025 | CYTK | Sell | 5,000 | $55.05 | $275K | −1.3% | CEO | |
Sep 15, 2025 | CYTK | Sell | 5,000 | $49.77 | $249K | −1.3% | CEO | |
Sep 2, 2025 | CYTK | Sell | 5,000 | $48.76 | $244K | −1.3% | CEO | |
Aug 15, 2025 | CYTK | Sell | 5,000 | $38.42 | $192K | −1.3% | CEO | |
Jul 29, 2025 | CYTK | Sell | 5,000 | $36.45 | $182K | −1.3% | CEO | |
Jul 14, 2025 | CYTK | Sell | 5,000 | $38.15 | $191K | −1.3% | CEO | |
Jul 1, 2025 | CYTK | Sell | 5,000 | $33.55 | $168K | −1.2% | CEO | |
Jun 16, 2025 | CYTK | Sell | 5,000 | $33.80 | $169K | −1.2% | CEO | |
Jun 2, 2025 | CYTK | Sell | 5,000 | $31.22 | $156K | −1.2% | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| CYTK | CYTOKINETICS INC | 20 | $8.4M |
Other insiders at CYTOKINETICS INC
5 other tracked filers at CYTK.