SEC ownership of GUIDED THERAPEUTICS INC

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 CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
1 of 5
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Auctus Fund Management LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
10 Mar 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000924515
Issuer location
Peachtree Corners, GA

Ownership snapshot

Top shareholders of GUIDED THERAPEUTICS INC (13F + 13D/G + 3/4/5)

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.

Comparable stake leader
Auctus Fund Management LLC
Disclosed value leader
John E. Imhoff
Comparable rows
1/5
Latest evidence
10 Mar 2026
13D/G 3/4/5 Lead comparable stake: 9.9% 4 rows are not safely comparable across share classes. 13D/G row: Auctus Fund Management LLC

Quick read

Auctus Fund Management LLC leads the comparable SEC ownership view at 9.9%.

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.

Open SEC evidence Opens Auctus Fund Management LLC's linked filing trail.
Comparable ownership Top 1
Auctus Fund Management LLC 9.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-5 of 5 holder rows
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
How to read this table

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

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$35,000.

Buys
$35,000
Insiders: 2
Sells
$0
Insiders: 0
Net
+$35,000
Shares: +194,445
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 194,445 Shares: 0
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

Insider holders from Forms 3/4/5

Showing 1-4 of 4 reporting-owner rows connected to GUIDED THERAPEUTICS INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
4
Largest Forms 3/4/5 holder
John E. Imhoff
Net 12M change
+$35,000
Latest report
10 Mar 2026
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

Recent insider transactions for GUIDED THERAPEUTICS INC

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
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .