Insiders / Henderson John T
Henderson John T
CIK 1226488personinsider
Companies
1
First seen
Jan 16, 2026
Last activity
May 27, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Cytokinetics Inc · CYTK | 78,088 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Cytokinetics Inc | Common Stock | 78,088 |
| Cytokinetics Inc | Non-Qualified Stock Option (Right to Buy)Derivative | 4,301 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| May 5, 2026 | Sell | CYTK Cytokinetics Inc Common Stock | $1.52M | -20K -21.00% | 75,237 0.05% of shares | medium |
| May 5, 2026 | Exercise | CYTK Cytokinetics Inc Common Stock | $152.2K | +20K +26.58% | 95,237 0.07% of shares | low |
| Apr 15, 2026 | Grant | CYTK Cytokinetics Inc Common Stock | $21.2K | +325 +0.43% | 75,237 0.05% of shares | low |
| Jan 15, 2026 | Grant | CYTK Cytokinetics Inc Common Stock | $21.2K | +334 +0.45% | 74,912 0.05% of shares | low |
| May 27, 2026 | Grant | CYTK Cytokinetics Inc Common Stock | $0 | +3K +3.79% | 78,088 0.06% of shares | low |
| May 27, 2026 | Grant | CYTK Cytokinetics Inc Non-Qualified Stock Option (Right to Buy) | — | +4K | 4,301 <0.01% of shares | low |
| May 5, 2026 | Exercise | CYTK Cytokinetics Inc Non-Qualified Stock Option (Right to Buy) | — | -20K -100.00% | 0 0.00% of shares | low |