Comparable stake leader
Auctus Fund Management LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000924515.
Comparable stake leader
Auctus Fund Management LLC
Disclosed value leader
John E. Imhoff
Comparable rows
1/5
Latest evidence
10 Mar 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
1 of 5 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Auctus Fund Management LLC |
13D/G
|
9.9%
|
$638,535
5,804,865 shares
|
$0 | 30 Sep 2024 |
| John E. Imhoff |
3/4/5
Director, 10%+ Owner
|
—
mixed-class rows
|
$7,368,584
21,472,673 shares
mixed-class rows
|
+$30,000 | 10 Mar 2026 |
| Richard P. Blumberg |
3/4/5
Director, 10%+ Owner
|
—
mixed-class rows
|
$1,426,352
13,201,311 shares
mixed-class rows
|
— | 25 Feb 2026 |
| Alan Grujic |
3/4/5
Director
|
—
mixed-class rows
|
$327,157
2,104,649 shares
mixed-class rows
|
— | 10 Mar 2026 |
| Michael C. James |
3/4/5
Director
|
—
mixed-class rows
|
$228,723
816,273 shares
mixed-class rows
|
+$5,000 | 10 Mar 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to buying over the last 12 months. Net value: +$35,000.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 194,445 | 0 | $35,000 | $0 | +$35,000 |
Reporting owners
Showing 1-4 of 4 reporting-owner rows connected to GUIDED THERAPEUTICS INC. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| John E. Imhoff | Director, 10%+ Owner | $7,368,584 | +$30,000 | +0.41% | Mixed | 10 Mar 2026 |
| Richard P. Blumberg | Director, 10%+ Owner | $1,426,352 | Mixed | 25 Feb 2026 | ||
| Alan Grujic | Director | $327,157 | Filing P/S | 10 Mar 2026 | ||
| Michael C. James | Director | $228,723 | +$5,000 | +2.2% | Mixed | 10 Mar 2026 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| John E. Imhoff | GTHP | Common Stock | Conversion of derivative security | 0.75% | 157,417 | 21,252,673 | 31 Mar 2026 | Direct | ||
| John E. Imhoff | GTHP | Convertible Promissory Note | Conversion of derivative security | -58.9% | -157,417 | 110,000 | 31 Mar 2026 | Direct | ||
| Richard P. Blumberg | GTHP | Preferred Series F-2 Stock | Other | -100% | -88 | 0 | 26 Mar 2026 | Direct | ||
| Richard P. Blumberg | GTHP | Preferred Series F Stock | Other | -100% | -260 | 0 | 26 Mar 2026 | Direct | ||
| Richard P. Blumberg | GTHP | Common Stock | Other | 16.4% | 1,467,131 | 10,391,311 | 26 Mar 2026 | Direct | ||
| John E. Imhoff | GTHP | Preferred Series F Stock | Other | -100% | -10 | 0 | 26 Mar 2026 | Direct | ||
| John E. Imhoff | GTHP | Common Stock | Other | 0.2% | 42,157 | 21,095,256 | 26 Mar 2026 | Direct | ||
| Richard P. Blumberg | GTHP | Stock Options | Award | 110,000 | 110,000 | 10 Mar 2026 | Direct | |||
| Alan Grujic | GTHP | Stock Options | Award | 110,000 | 110,000 | 10 Mar 2026 | Direct | |||
| John E. Imhoff | GTHP | Stock Options | Award | 110,000 | 110,000 | 10 Mar 2026 | Direct | |||
| Michael C. James | GTHP | Stock Options | Award | 110,000 | 110,000 | 10 Mar 2026 | Direct | |||
| Richard P. Blumberg | GTHP | Warrants | Expiration (or cancellation) of long derivative position with value received | -25% | -900,000 | 2,700,000 | 01 Mar 2026 | Direct | ||
| John E. Imhoff | GTHP | Common Stock | Conversion of derivative security | 0.75% | 156,086 | 21,053,099 | 27 Feb 2026 | Direct | ||
| John E. Imhoff | GTHP | Common Stock | Other | 1.95% | 400,000 | 20,897,013 | 27 Feb 2026 | Direct | ||
| John E. Imhoff | GTHP | Preferred Series E Stock | Other | -100% | -100 | 0 | 27 Feb 2026 | Direct | ||
| John E. Imhoff | GTHP | Convertible Promissory Note | Conversion of derivative security | -56.5% | -156,086 | 120,000 | 27 Feb 2026 | Direct | ||
| Richard P. Blumberg | GTHP | Common Stock | Options Exercise | 12.6% | 1,000,000 | 8,924,180 | 25 Feb 2026 | Direct | ||
| Richard P. Blumberg | GTHP | Warrants | Options Exercise | -100% | -1,000,000 | 0 | 25 Feb 2026 | Direct | ||
| Richard P. Blumberg | GTHP | Warrants | Award | 1,000,000 | 1,000,000 | 25 Feb 2026 | Direct | |||
| Richard P. Blumberg | GTHP | Warrants | Disposed to Issuer | -100% | -1,000,000 | 0 | 25 Feb 2026 | Direct | ||
| John E. Imhoff | GTHP | Common Stock | Exercise of in-the-money or at-the-money derivative security | 2.5% | 500,000 | 20,497,013 | 25 Feb 2026 | Direct | ||
| John E. Imhoff | GTHP | Warrants | Exercise of in-the-money or at-the-money derivative security | -100% | -500,000 | 0 | 25 Feb 2026 | Direct | ||
| John E. Imhoff | GTHP | Warrants | Other | 1,000,000 | 500,000 | 25 Feb 2026 | Direct | |||
| John E. Imhoff | GTHP | Warrants | Other | -100% | -1,000,000 | 0 | 25 Feb 2026 | Direct | ||
| Michael C. James | GTHP | Common Stock | Exercise of in-the-money or at-the-money derivative security | 18.1% | 100,000 | 653,495 | 25 Feb 2026 | Direct | ||
| Michael C. James | GTHP | Warrants | Exercise of in-the-money or at-the-money derivative security | -65.4% | -100,000 | 52,778 | 25 Feb 2026 | Direct | ||
| Michael C. James | GTHP | Warrants | Other | 200,000 | 152,778 | 25 Feb 2026 | Direct | |||
| Michael C. James | GTHP | Warrants | Other | -100% | -200,000 | 0 | 25 Feb 2026 | Direct | ||
| John E. Imhoff | GTHP | Common Stock | Conversion of derivative security | 1.59% | 312,720 | 19,997,013 | 02 Feb 2026 | Direct | ||
| John E. Imhoff | GTHP | Convertible Promissory Note | Conversion of derivative security | -70.6% | -312,720 | 130,000 | 02 Feb 2026 | Direct | ||
| John E. Imhoff | GTHP | Common Stock | Other | 0.13% | 25,338 | 19,684,293 | 05 Jan 2026 | Direct | ||
| John E. Imhoff | GTHP | Common Stock | Conversion of derivative security | 1% | 195,460 | 19,658,955 | 18 Dec 2025 | Direct | ||
| John E. Imhoff | GTHP | Convertible Promissory Note | Conversion of derivative security | -56.6% | -195,460 | 150,000 | 18 Dec 2025 | Direct | ||
| Alan Grujic | GTHP | Common Stock | Purchase | 9.13% | 152,108 | 1,817,541 | 29 Aug 2025 | Direct | ||
| Alan Grujic | GTHP | Warrants | Purchase | 608.4% | 152,108 | 177,108 | 29 Aug 2025 | Direct | ||
| John E. Imhoff | GTHP | Common Stock | Purchase | 0.86% | $30,000 | $0.1800 | 166,667 | 19,463,495 | 29 Aug 2025 | Direct |
| John E. Imhoff | GTHP | Warrants | Purchase | 666.7% | 166,667 | 191,667 | 29 Aug 2025 | Direct | ||
| Michael C. James | GTHP | Common Stock | Purchase | 5.28% | $5,000 | $0.1800 | 27,778 | 553,495 | 29 Aug 2025 | Direct |
| Michael C. James | GTHP | Warrants | Purchase | 111.1% | 27,778 | 52,778 | 29 Aug 2025 | Direct | ||
| Alan Grujic | GTHP | Preferred Series E Stock | Other | -100% | -50 | 0 | 21 Aug 2025 | Direct | ||
| Alan Grujic | GTHP | Common Stock | Other | 15% | 217,408 | 1,665,433 | 21 Aug 2025 | Direct | ||
| John E. Imhoff | GTHP | Preferred Series E Stock | Other | -75% | -300 | 100 | 21 Aug 2025 | Direct | ||
| John E. Imhoff | GTHP | Common Stock | Other | 7.25% | 1,304,448 | 19,296,828 | 21 Aug 2025 | Direct | ||
| Richard P. Blumberg | GTHP | Preferred Series E Stock | Other | -100% | -233 | 0 | 21 Aug 2025 | Direct | ||
| Richard P. Blumberg | GTHP | Common Stock | Other | 14.7% | 1,013,121 | 7,924,180 | 21 Aug 2025 | Direct |