InsiderPresident & CEO
Robert I Blum Insider Trading Activity
Every SEC Form 4 transaction reported by Robert I Blum, sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Is Robert I Blum buying or selling?
Robert I Blum reported 1 open-market buys ($77.5K) and 145 sells ($48.1M) across 146 Form 4 filings at 2 companies — a net selling position of $48.0M.
Source: SEC EDGAR Form 4
Key Statistics (as of Aug 31, 2026)
Total Form 4 filings
146
SEC EDGAR
Companies
2
Buys (1)
$77.5K
Sells (145)
$48.1M
Insider sentiment
Net sellingNet insider flow of $48.0M in net selling, filed between Apr 6, 2018 – Aug 31, 2026.
Companies Robert I Blum files for
Recent Robert I Blum transactions
| Date | Ticker | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 31, 2026 | CYTK | President & CEO | Sale | 7.5K | $526.8K |
| Aug 10, 2026 | CYTK | President & CEO | Sale | 7.5K | $575.7K |
| Jul 27, 2026 | CYTK | President & CEO | Sale | 7.5K | $606.5K |
| Jul 14, 2026 | CYTK | President & CEO | Sale | 7.5K | $615.1K |
| Jul 2, 2026 | CYTK | President & CEO | Sale | 7.5K | $636.9K |
| Jun 15, 2026 | CYTK | President & CEO | Sale | 7.5K | $528.5K |
| May 28, 2026 | CYTK | President & CEO | Sale | 7.5K | $579.1K |
| May 14, 2026 | CYTK | President & CEO | Sale | 7.5K | $584.4K |
| Apr 29, 2026 | CYTK | President & CEO | Sale | 7.5K | $447.1K |
| Apr 15, 2026 | CYTK | President & CEO | Sale | 7.5K | $490.4K |
| Apr 1, 2026 | CYTK | President & CEO | Sale | 7.5K | $499.7K |
| Mar 18, 2026 | CYTK | President & CEO | Sale | 36.6K | $2.3M |
| Mar 10, 2026 | CYTK | President & CEO | Sale | 7.9K | $481.6K |
| Oct 30, 2025 | CYTK | President & CEO | Sale | 5.0K | $314.3K |
| Oct 16, 2025 | CYTK | President & CEO | Sale | 5.0K | $300.1K |
| Oct 1, 2025 | CYTK | President & CEO | Sale | 5.0K | $275.3K |
| Sep 15, 2025 | CYTK | President & CEO | Sale | 5.0K | $248.8K |
| Sep 2, 2025 | CYTK | President & CEO | Sale | 5.0K | $243.8K |
| Aug 15, 2025 | CYTK | President & CEO | Sale | 5.0K | $192.1K |
| Jul 31, 2025 | CYTK | President & CEO | Sale | 5.0K | $182.3K |
| Jul 15, 2025 | CYTK | President & CEO | Sale | 5.0K | $190.8K |
| Jul 2, 2025 | CYTK | President & CEO | Sale | 5.0K | $167.8K |
| Jun 16, 2025 | CYTK | President & CEO | Sale | 5.0K | $169.0K |
| Jun 2, 2025 | CYTK | President & CEO | Sale | 5.0K | $156.1K |
| May 16, 2025 | CYTK | President & CEO | Sale | 5.0K | $154.7K |
Showing the 25 most recent filings of 146. Screen every filing.
Robert I Blum insider trading FAQ
Is Robert I Blum buying or selling?
Across 146 SEC Form 4 filings, Robert I Blum reported 1 open-market purchases totaling $77.5K and 145 sales totaling $48.1M — a net selling position of $48.0M.
Which companies does Robert I Blum file Form 4s for?
Robert I Blum has reported insider transactions at 2 companies, most often CYTOKINETICS INC (CYTK), Gamida Cell Ltd. (GMDA).
How far back does Robert I Blum's filing history go?
Trabud holds Robert I Blum's SEC Form 4 filings from Apr 6, 2018 – Aug 31, 2026, sourced directly from SEC EDGAR.
Where does Trabud get Robert I Blum's insider trading data?
Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.
Related Content
Track Robert I Blum and every other insider
Screen all SEC Form 4 filings by insider, company, transaction value, and role — or ask Trabud's AI agent in plain English.
Open the screener