Blum Robert I
SEC insider (Form 3/4/5 filer). CIK 0001288859. President & CEO at CYTOKINETICS INC (CYTK). 76 reported Form 4/5 transactions since Sep 2024; latest on Oct 12, 2026. Located in SOUTH SAN FRANCISCO, CA.
Companies Blum Robert I has filed insider reports for
- CYTOKINETICS INC (CYTK): Director, Officer, President & CEO
Blum Robert I
CIK: 0001288859
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)46 (60.5%)
Position reduction
Option Exercises (M)16 (21.1%)
Derivative conversions
Awards (A)6 (7.9%)
Compensation grants
Other (G, F, J, C, D, …)8 (10.5%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
CYTK
CYTOKINETICS INC
DirectorOfficer
Discretionary Trading P&L
Holdings
Transaction History (76 total)
- Oct 12, 2026CYTK
CYTOKINETICS INC
SaleDirect7.5K shares at avg. $62.88$472K - Oct 12, 2026CYTK
CYTOKINETICS INC
ExerciseDirect7.5K shares at avg. $10.60$80K - Sep 28, 2026CYTK
CYTOKINETICS INC
ExerciseDirect7.5K shares at avg. $10.60$80K - Sep 28, 2026CYTK
CYTOKINETICS INC
SaleDirect7.5K shares at avg. $65.46$491K - Sep 15, 2026CYTK
CYTOKINETICS INC
SaleIndirect97.9K shares at avg. $69.33$6.8M - Sep 14, 2026CYTK
CYTOKINETICS INC
GiftDirect1.4K shares- - Sep 14, 2026CYTK
CYTOKINETICS INC
ExerciseDirect7.5K shares at avg. $10.60$80K - Sep 14, 2026CYTK
CYTOKINETICS INC
GiftIndirect97.9K shares- - Sep 14, 2026CYTK
CYTOKINETICS INC
SaleDirect7.5K shares at avg. $73.44$551K - Sep 14, 2026CYTK
CYTOKINETICS INC
GiftDirect97.9K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 12, 2026 | CYTK CYTOKINETICS INC | Sale | 7,500 | $62.88 | $471,600 | Direct |
| Oct 12, 2026 | CYTK CYTOKINETICS INC | Exercise | 7,500 | $10.60 | $79,500 | Direct |
| Sep 28, 2026 | CYTK CYTOKINETICS INC | Exercise | 7,500 | $10.60 | $79,500 | Direct |
| Sep 28, 2026 | CYTK CYTOKINETICS INC | Sale | 7,500 | $65.46 | $490,950 | Direct |
| Sep 15, 2026 | CYTK CYTOKINETICS INC | Sale | 97,926 | $69.33 | $6,789,210 | Indirect |
| Sep 14, 2026 | CYTK CYTOKINETICS INC | Gift | 1,350 | - | $0 | Direct |
| Sep 14, 2026 | CYTK CYTOKINETICS INC | Exercise | 7,500 | $10.60 | $79,500 | Direct |
| Sep 14, 2026 | CYTK CYTOKINETICS INC | Gift | 97,926 | - | $0 | Indirect |
| Sep 14, 2026 | CYTK CYTOKINETICS INC | Sale | 7,500 | $73.44 | $550,800 | Direct |
| Sep 14, 2026 | CYTK CYTOKINETICS INC | Gift | 97,926 | - | $0 | Direct |
1-10 of 76 transactions
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