HENDERSON JOHN T
SEC insider (Form 3/4/5 filer). CIK 0001226488. Director at CYTOKINETICS INC (CYTK). 20 reported Form 4/5 transactions since Sep 2024; latest on Oct 16, 2026. Located in SOUTH SAN FRANCISCO, CA.
Companies HENDERSON JOHN T has filed insider reports for
- CYTOKINETICS INC (CYTK): Director
HENDERSON JOHN T
CIK: 0001226488
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)4 (20.0%)
Position reduction
Option Exercises (M)5 (25.0%)
Derivative conversions
Awards (A)11 (55.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
CYTK
CYTOKINETICS INC
Director
Discretionary Trading P&L
Holdings
Transaction History (20 total)
- Oct 16, 2026CYTK
CYTOKINETICS INC
AwardDirect352 shares at avg. $63.92$22K - Jul 15, 2026CYTK
CYTOKINETICS INC
AwardDirect272 shares at avg. $82.62$22K - May 27, 2026CYTK
CYTOKINETICS INC
AwardDirect2.9K shares- - May 5, 2026CYTK
CYTOKINETICS INC
SaleDirect20K shares at avg. $75.97$1.5M - May 5, 2026CYTK
CYTOKINETICS INC
ExerciseDirect20K shares at avg. $7.61$152K - Apr 15, 2026CYTK
CYTOKINETICS INC
AwardDirect325 shares at avg. $65.37$21K - Jan 15, 2026CYTK
CYTOKINETICS INC
AwardDirect334 shares at avg. $63.44$21K - Dec 2, 2025CYTK
CYTOKINETICS INC
SaleDirect8.8K shares at avg. $63.90$559K - Dec 2, 2025CYTK
CYTOKINETICS INC
ExerciseDirect8.8K shares at avg. $10.00$88K - Oct 15, 2025CYTK
CYTOKINETICS INC
AwardDirect338 shares at avg. $62.80$21K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 16, 2026 | CYTK CYTOKINETICS INC | Award | 352 | $63.92 | $22,500 | Direct |
| Jul 15, 2026 | CYTK CYTOKINETICS INC | Award | 272 | $82.62 | $22,473 | Direct |
| May 27, 2026 | CYTK CYTOKINETICS INC | Award | 2,851 | - | $0 | Direct |
| May 5, 2026 | CYTK CYTOKINETICS INC | Sale | 20,000 | $75.97 | $1,519,400 | Direct |
| May 5, 2026 | CYTK CYTOKINETICS INC | Exercise | 20,000 | $7.61 | $152,200 | Direct |
| Apr 15, 2026 | CYTK CYTOKINETICS INC | Award | 325 | $65.37 | $21,245 | Direct |
| Jan 15, 2026 | CYTK CYTOKINETICS INC | Award | 334 | $63.44 | $21,189 | Direct |
| Dec 2, 2025 | CYTK CYTOKINETICS INC | Sale | 8,750 | $63.90 | $559,125 | Direct |
| Dec 2, 2025 | CYTK CYTOKINETICS INC | Exercise | 8,750 | $10.00 | $87,500 | Direct |
| Oct 15, 2025 | CYTK CYTOKINETICS INC | Award | 338 | $62.80 | $21,226 | Direct |
1-10 of 20 transactions