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
Mar 5, 2026
Reporting period
Not applicable
Filed with the SEC
Mar 5, 2026
OfficerOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001061983-26-000015
Filed / recorded
Mar 5, 2026, 9:27 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
Andrew Callos
Relationship
Officer
Officer title
EVP, Chief Commercial Officer
Security
Non-Qualified Stock Option (Right to Buy)
Table
Derivative (Table II)
Transaction date
Mar 5, 2026
Transaction code
M
Shares / units
15,000
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
69,000
Ownership form
Direct
Amendment
No
Footnotes from the filing
Stock options will vest over 4 years from the date of the grant, with 1/4th of the shares underlying the reporting person's option vesting on the one-year anniversary of the grant date and the remaining shares thereafter vesting monthly at a rate of 1/48th of the shares underlying the reporting person's option over the subsequent 36 months, subject to the reporting person's continued employment with the Issuer.