Key facts
- Robert I. Blum has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $30,754,559.
- Recent insider filing activity is available below.
Reporting Owner Activity for Robert I. Blum
- Location
- South San Francisco, CA
- Ownership summary
-
The estimated value of Robert I. Blum's disclosed insider holdings is at least $30,754,559 as of 28 May 2026.
- President & CEO, Director: CYTOKINETICS INC (CYTK) reported at about $30.6M
- Director: Gamida Cell Ltd. reported at about $149.6K
Values are based on parsed SEC Forms 3/4/5 and should be verified against the source filing.
- Signature
- /s/ John O. Faurescu, attorney-in-fact for Mr. Blum
- Source filings
- Open source filing history
Follow Filing Activity
Follow Robert I. Blum and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean. If you create an account from here, we will bring you back after verification.
Change
- Largest disclosed position: CYTOKINETICS INC ($30,604,984).
- Past-year value change for that position: -$7,797,322.
Research use
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Reported issuer positions for Robert I. Blum
CYTK
Forms 3/4/5
CYTOKINETICS INC
- Relationship
- President & CEO, Director
- Holdings value
- $30,604,984
- Past year net change
- -$7,797,322
- Change %
- -20%
- Report period
- 27 May 2026
GMDA
Forms 3/4/5
Gamida Cell Ltd.
- Relationship
- Director
- Holdings value
- $149,575
- Past year net change
- Change %
- Report period
- 08 Feb 2023
Insider Transactions Reported by Robert I. Blum:
| Sym | Company | Class | Transaction | % | Reported value | Reported price | Shares | Shares after | Date | Ownership |
|---|
An asterisk next to the price means the reported price is likely invalid.