Form 4 Tracker
Robert I Blum

Director, President & CEO · 17 filings · Latest: Oct 12, 2026

CYTOKINETICS INC
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
CYTK
Robert I BlumDirector, President & CEOOct 12, 2026
Sale
$62.887,500$471.6K278,544
CYTK
Robert I BlumDirector, President & CEOOct 12, 2026
Option Exercise
$10.607,500$79.5K286,044
CYTK
ROBERT BLUM—Oct 12, 2026
Proposed Sale
$62.9122,500$1.4M—
CYTK
Robert I BlumDirector, President & CEOSep 28, 2026
Sale
$65.467,500$490.9K278,544
CYTK
Robert I BlumDirector, President & CEOSep 28, 2026
Option Exercise
$10.607,500$79.5K286,044
CYTK
Robert I. Blum—Sep 15, 2026
Proposed Sale
$72.4597,926$7.1M—
CYTK
Robert I BlumDirector, President & CEOSep 15, 2026
Sale
$69.3397,926$6.8M0
CYTK
Robert I BlumDirector, President & CEOSep 14, 2026
Sale
$73.447,500$550.8K377,820
CYTK
Robert I BlumDirector, President & CEOSep 14, 2026
Option Exercise
$10.607,500$79.5K385,320
CYTK
Robert I BlumDirector, President & CEOAug 31, 2026
Sale
$70.247,500$526.8K377,820
CYTK
Robert I BlumDirector, President & CEOAug 31, 2026
Option Exercise
$10.607,500$79.5K385,320
CYTK
Robert I BlumDirector, President & CEOAug 10, 2026
Sale
$76.767,500$575.7K377,820
CYTK
Robert I BlumDirector, President & CEOAug 10, 2026
Option Exercise
$10.607,500$79.5K385,320
CYTK
Robert I BlumDirector, President & CEOJul 27, 2026
Sale
$80.877,500$606.5K377,820
CYTK
Robert I BlumDirector, President & CEOJul 27, 2026
Option Exercise
$10.607,500$79.5K385,320
CYTK
Robert I BlumDirector, President & CEOJul 13, 2026
Option Exercise
$10.607,490$79.4K385,310
CYTK
Robert I BlumDirector, President & CEOJul 13, 2026
Sale
$82.027,500$615.1K377,820
CYTK
Robert I BlumDirector, President & CEOJul 1, 2026
Sale
$84.927,500$636.9K377,830
CYTK
ROBERT BLUM—Jul 1, 2026
Proposed Sale
$85.1952,500$4.5M—
CYTK
Robert I BlumDirector, President & CEOJun 15, 2026
Sale
$70.467,500$528.5K385,330

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