John T. Henderson
CIK: 0001226488
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
CYTOKINETICS INC
Discretionary Trading P&L
Holdings
Transaction History (20 total)
- Oct 16, 2026CYTK
CYTOKINETICS INC
Award(A)Direct352 shares at avg. $63.92$22K - Jul 15, 2026CYTK
CYTOKINETICS INC
Award(A)Direct272 shares at avg. $82.62$22K - May 27, 2026CYTK
CYTOKINETICS INC
Award(A)Direct2.9K shares- - May 5, 2026CYTK
CYTOKINETICS INC
Sale(S)Direct20K shares at avg. $75.97$1.5M - May 5, 2026CYTK
CYTOKINETICS INC
Exercise(M)Direct20K shares at avg. $7.61$152K - Apr 15, 2026CYTK
CYTOKINETICS INC
Award(A)Direct325 shares at avg. $65.37$21K - Jan 15, 2026CYTK
CYTOKINETICS INC
Award(A)Direct334 shares at avg. $63.44$21K - Dec 2, 2025CYTK
CYTOKINETICS INC
Sale(S)Direct8.8K shares at avg. $63.90$559K - Dec 2, 2025CYTK
CYTOKINETICS INC
Exercise(M)Direct8.8K shares at avg. $10.00$88K - Oct 15, 2025CYTK
CYTOKINETICS INC
Award(A)Direct338 shares at avg. $62.80$21K - Jul 15, 2025CYTK
CYTOKINETICS INC
Award(A)Direct559 shares at avg. $38.01$21K - May 14, 2025CYTK
CYTOKINETICS INC
Award(A)Direct7.3K shares- - Apr 15, 2025CYTK
CYTOKINETICS INC
Sale(S)Direct3.2K shares at avg. $38.66$123K - Apr 15, 2025CYTK
CYTOKINETICS INC
Exercise(M)Direct20K shares at avg. $6.21$124K - Apr 15, 2025CYTK
CYTOKINETICS INC
Award(A)Direct551 shares at avg. $38.56$21K - Jan 2, 2025CYTK
CYTOKINETICS INC
Award(A)Direct434 shares at avg. $48.93$21K - Dec 11, 2024CYTK
CYTOKINETICS INC
Exercise(M)Direct10.1K shares at avg. $7.37$74K - Dec 11, 2024CYTK
CYTOKINETICS INC
Sale(S)Direct1.8K shares at avg. $50.42$90K - Dec 11, 2024CYTK
CYTOKINETICS INC
Exercise(M)Direct1.8K shares at avg. $7.37$13K - Oct 1, 2024CYTK
CYTOKINETICS INC
Award(A)Direct403 shares at avg. $52.60$21K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 16, 2026 | CYTK CYTOKINETICS INC | Award(A) | 352 | $63.92 | $22,500 | Direct |
| Jul 15, 2026 | CYTK CYTOKINETICS INC | Award(A) | 272 | $82.62 | $22,473 | Direct |
| May 27, 2026 | CYTK CYTOKINETICS INC | Award(A) | 2,851 | - | $0 | Direct |
| May 5, 2026 | CYTK CYTOKINETICS INC | Sale(S) | 20,000 | $75.97 | $1,519,400 | Direct |
| May 5, 2026 | CYTK CYTOKINETICS INC | Exercise(M) | 20,000 | $7.61 | $152,200 | Direct |
| Apr 15, 2026 | CYTK CYTOKINETICS INC | Award(A) | 325 | $65.37 | $21,245 | Direct |
| Jan 15, 2026 | CYTK CYTOKINETICS INC | Award(A) | 334 | $63.44 | $21,189 | Direct |
| Dec 2, 2025 | CYTK CYTOKINETICS INC | Sale(S) | 8,750 | $63.90 | $559,125 | Direct |
| Dec 2, 2025 | CYTK CYTOKINETICS INC | Exercise(M) | 8,750 | $10.00 | $87,500 | Direct |
| Oct 15, 2025 | CYTK CYTOKINETICS INC | Award(A) | 338 | $62.80 | $21,226 | Direct |
| Jul 15, 2025 | CYTK CYTOKINETICS INC | Award(A) | 559 | $38.01 | $21,248 | Direct |
| May 14, 2025 | CYTK CYTOKINETICS INC | Award(A) | 7,333 | - | - | Direct |
| Apr 15, 2025 | CYTK CYTOKINETICS INC | Sale(S) | 3,190 | $38.66 | $123,325 | Direct |
| Apr 15, 2025 | CYTK CYTOKINETICS INC | Exercise(M) | 20,000 | $6.21 | $124,200 | Direct |
| Apr 15, 2025 | CYTK CYTOKINETICS INC | Award(A) | 551 | $38.56 | $21,247 | Direct |
| Jan 2, 2025 | CYTK CYTOKINETICS INC | Award(A) | 434 | $48.93 | $21,236 | Direct |
| Dec 11, 2024 | CYTK CYTOKINETICS INC | Exercise(M) | 10,092 | $7.37 | $74,378 | Direct |
| Dec 11, 2024 | CYTK CYTOKINETICS INC | Sale(S) | 1,780 | $50.42 | $89,748 | Direct |
| Dec 11, 2024 | CYTK CYTOKINETICS INC | Exercise(M) | 1,780 | $7.37 | $13,119 | Direct |
| Oct 1, 2024 | CYTK CYTOKINETICS INC | Award(A) | 403 | $52.60 | $21,198 | Direct |
1-20 of 20 transactions
About HENDERSON JOHN T
HENDERSON JOHN T (SEC CIK 0001226488) files insider reports with the SEC as Director of CYTOKINETICS INC (CYTK).
Signal8 holds 15 ownership filings by HENDERSON JOHN T, all Form 4s, filed between Oct 3, 2024 and Oct 20, 2026. Those filings report 20 transactions, from Oct 1, 2024 to Oct 16, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on HENDERSON JOHN T's filings is in SOUTH SAN FRANCISCO, CA.
Recent filings by HENDERSON JOHN T
- Oct 16, 2026: Grant or award of CYTK shares (Form 4, code A).
- Jul 15, 2026: Grant or award of CYTK shares (Form 4, code A).
- May 27, 2026: Grant or award of CYTK shares (Form 4, code A).
- May 5, 2026: Open-market sale of CYTK shares (Form 4, code S).
- May 5, 2026: Option exercise of CYTK shares (Form 4, code M).
Other insiders filing for CYTOKINETICS INC (CYTK)
- Malik Fady Ibraham, EVP Research & Development
- Blum Robert I, President & CEO
- Wysenski Nancy, Director
- Kaye Edward M. MD, Director
- Harrington Robert Arthur, Director
- Daly James M, Director