Key facts
- This page summarizes Robert I. Blum's Form 4 filing for CYTOKINETICS INC (CYTK).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 15 Jun 2026, 16:40.
Robert I. Blum - 15 Jun 2026 Form 4 Insider Report for CYTOKINETICS INC (CYTK)
- Reporting relationship
- President & CEO, Director
- Issuer ticker
- CYTK
- Reported as of
- 15 Jun 2026
- Net transaction value
- -$528,450
- SEC form
- 4
- Accepted by SEC
- 15 Jun 2026, 16:40:29 UTC
- Prior SEC filing
- 28 May 2026
- Next SEC filing
- 02 Jul 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ John O. Faurescu, attorney-in-fact for Mr. Blum
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Robert I. Blum filed Form 4 for CYTOKINETICS INC (CYTK) on 15 Jun 2026.
Change
- Previous filing in this sequence was filed on 28 May 2026.
- Current net transaction value: -$528,450.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001288859
Primary reporting owner
Blum Robert I
- Relationship
- President & CEO, Director
- Address
- 350 OYSTER POINT BLVD, SOUTH SAN FRANCISCO
- Signature
- /s/ John O. Faurescu, attorney-in-fact for Mr. Blum
- Signature date
- 15 Jun 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CYTK
transaction
Common Stock
Sale
- Transaction value
- $528,450
- Shares
- -7,500
- Change %
- -1.9%
- Price
- $70.46
- Shares after
- 385,330
- Date
- 15 Jun 2026
- Ownership
- Direct
CYTK
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,083
- Date
- 15 Jun 2026
- Ownership
- by Trust 1
- Footnotes
- F1
CYTK
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,083
- Date
- 15 Jun 2026
- Ownership
- by Trust 2
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Explanation of responses 2 footnotes
Footnote F1
Shares held by The Bridget Blum 2003 Irrevocable Trust.
Footnote F2
Shares held by The Brittany Blum 2003 Irrevocable Trust.