Blumberg Richard P. (CIK 1486345) reported 12 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-05). Recent activity: Buy GTHP (1.0M shares), Buy GTHP (56,093 shares), Sell GTHP (260 shares), Buy GTHP (1.0M shares), Buy GTHP (19,038 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Buy | 1.0M | $0 |
| 2026-05-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Buy | 56,093 | $0 |
| 2026-05-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Sell | 260 | $0 |
| 2026-05-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Buy | 1.0M | $0 |
| 2026-05-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Buy | 19,038 | $0 |
| 2026-05-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Sell | 88 | $0 |
| 2026-05-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Buy | 352,000 | $0 |
| 2025-09-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Buy | 165,481 | $0 |
| 2025-09-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Buy | 55,853 | $0 |
| 2025-09-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Buy | 81,121 | $0 |
| 2025-09-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Sell | 233 | $0 |
| 2025-09-05 | GUIDED THERAPEUTICS INC (GTHP) | Director | Buy | 932,000 | $0 |
Source: SEC Form 4 filings · as of 2026-05-05