| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Blumberg Richard P. | Director, 10%+ Owner | 5835 PEACHTREE CORNERS EAST, STE. B, PEACHTREE CORNERS | /s/ Richard P. Blumberg | 04 Sep 2025 | 0001486345 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GTHP | Common Stock | Other | +165,481 | +2.5% | 6,855,206 | 10 Apr 2025 | Direct | F1 | ||
| transaction | GTHP | Common Stock | Other | +55,853 | +0.81% | 6,911,059 | 10 Apr 2025 | Direct | F2 | ||
| transaction | GTHP | Common Stock | Other | +81,121 | +1.2% | 6,992,180 | 21 Aug 2025 | Direct | F4 | ||
| transaction | GTHP | Preferred Series E Stock | Other | -233 | -100% | 0 | 21 Aug 2025 | Direct | F5 | ||
| transaction | GTHP | Common Stock | Other | +932,000 | +13% | 7,924,180 | 21 Aug 2025 | Direct | F5 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GTHP | Stock Options | Award | $0 | +110,000 | $0.000000 | 110,000 | 03 Jun 2025 | Common Stock | 110,000 | $0.1400 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | These shares were issued for payment of accrued dividends on the reporting individual's Series F preferred stock, at a conversion price of $0.0943. |
| F2 | These shares were issued for payment of accrued dividends on the reporting individual's Series F-2 preferred stock, at a conversion price of $0.0943. |
| F3 | One-fourth of the shares are subject to the award vested on June 3, 2025; the remaining shares will vest monthly, starting on September 3, 2025, subject to the reporting person's continued service on each such date, until the award is fully vested on June 2, 2028. |
| F4 | These shares were issued for payment of accrued dividends on the reporting individual's Series E preferred stock, at a conversion price of $0.2298. |
| F5 | On August 21, 2025, Mr. Blumberg (WMB Pension Plan fbo Richard Blumberg) converted 233 shares of Series E preferred stock into 932,000 shares of common stock. The Series E preferred stock had a stated value of $1,000 and $0.25 exercise price. |