Blumberg Richard P.
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Blumberg Richard P.. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| GTHP | Other | 932,000 | — | — | Apr 10, 2025 | |
| GTHP | Other | 400,000 | — | — | Oct 14, 2024 | |
| GTHP | Other | 170,563 | — | — | Aug 21, 2024 | |
| GTHP | Other | 114,912 | — | — | Mar 26, 2024 | |
| GTHP | Other | 400,000 | — | — | Mar 1, 2024 | |
| GTHP | X | 1,642,500 | — | — | Dec 1, 2023 | |
| GTHP | Other | 400,000 | — | — | Aug 21, 2023 | |
| GTHP | Other | 76,978 | — | — | Mar 1, 2023 | |
| GTHP | Purchase | 1,000,000 | — | — | Sep 2, 2022 | |
| 0001018281 | Purchase | 416,666 | $0.30 | $125,000 | Dec 29, 2011 | |
| 0001018281 | Sale | 2,000 | $0.50 | $1,000 | Aug 16, 2011 | |
| 0001018281 | Sale | 5,000 | $0.51 | $2,550 | Jul 26, 2011 | |
| 0001018281 | Sale | 6,400 | $0.45 | $2,880 | Jul 12, 2011 | |
| 0001018281 | Sale | 9,000 | $0.57 | $5,130 | Jun 14, 2011 | |
| 0001018281 | Sale | 12,500 | $0.55 | $6,875 | Jun 13, 2011 | |
| 0001018281 | Sale | 8,400 | $0.67 | $5,628 | May 23, 2011 | |
| 0001018281 | Sale | 2,500 | $0.71 | $1,775 | Feb 14, 2011 | |
| 0001018281 | Sale | 5,000 | $0.73 | $3,650 | Feb 10, 2011 | |
| 0001018281 | Sale | 3,700 | $0.70 | $2,590 | Jan 21, 2011 | |
| 0001018281 | Sale | 30,000 | $0.70 | $21,000 | Jan 19, 2011 | |
| 0001018281 | Sale | 15,600 | $0.70 | $10,920 | Jan 13, 2011 | |
| 0001018281 | Sale | 13,000 | $0.95 | $12,350 | Feb 12, 2010 | |
| 0001018281 | Sale | 13,400 | $0.72 | $9,648 | Feb 10, 2010 |