Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Sep 14, 2026
Reporting period
Not applicable
Filed with the SEC
Sep 15, 2026
CEOOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references a pre-arranged trading plan (Rule 10b5-1)
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001061983-26-000094
Filed / recorded
Sep 15, 2026, 9:20 PM UTC
Added to OQRO
Oct 6, 2026, 7:14 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
CYTOKINETICS INC
Issuer CIK
1061983
Ticker
CYTK
Reporting person
Robert I Blum
Relationship
Director, Officer
Officer title
President & CEO
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
Sep 14, 2026
Transaction code
M
Shares / units
7,500
Price per share
$10.60
Acquired / disposed
Acquired (A)
Shares owned after
385,320
Ownership form
Direct
Amendment
No
Footnotes from the filing
Acquisition of shares of common stock upon exercise of stock options. Transaction is pursuant to a trading plan adopted by the reporting person intended to satisfy the conditions of Rule 10b5-1(c).