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Guided Therapeutics Inc

GTHP
Exchange
OTC
Industry
Electromedical & Electrotherapeutic Apparatus
SEC CIK
0000924515

No open-market purchases or sales by Guided Therapeutics Inc insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Guided Therapeutics Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
0 filings
Insiders trading
0
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Guided Therapeutics Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Guided Therapeutics Inc
NameTitleLast reported holdingLast filingFilings, past year
Blumberg Richard P.Director, 10% Owner10,391,311May 5, 20261
Imhoff John EDirector, 10% Owner21,252,673Apr 7, 20262
James Michael CDirector653,495Apr 7, 20262
Grujic AlanDirector1,817,541Apr 7, 20261

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 5, 2025 (view filing)4:16 PM ETAug 297 daysLateImhoff John EDirector, 10% OwnerPPurchase+166.7K$0.18+$30.0K+0.9%19.5M after
Sep 5, 2025 (view filing)4:16 PM ETAug 297 daysLateImhoff John EDirector, 10% OwnerPPurchase+166.7K–––191.7K afterDerivative
Sep 5, 2025 (view filing)11:50 AM ETAug 297 daysLateJames Michael CDirectorPPurchase+27.8K$0.18+$5.00K+5.3%553.5K after
Sep 5, 2025 (view filing)11:50 AM ETAug 297 daysLateJames Michael CDirectorPPurchase+27.8K–––52.8K afterDerivative
Sep 5, 2025 (view filing)Aug 297 daysLateGrujic AlanDirectorPPurchase+152.1K––+9.1%1.82M after
Sep 5, 2025 (view filing)Aug 297 daysLateGrujic AlanDirectorPPurchase+152.1K–––177.1K afterDerivative
May 23, 2025 (view filing)2:16 PM ETMar 777 daysImhoff John EDirector, 10% OwnerPPurchasePreferred Series C Stock+286––New position286 afterAmended
May 23, 2025 (view filing)2:16 PM ETMar 1371 daysImhoff John EDirector, 10% OwnerPPurchasePreferred Series E Stock+150––+60.0%400 afterAmended
May 23, 2025 (view filing)2:16 PM ETMar 1866 daysImhoff John EDirector, 10% OwnerPPurchase+1.26M$0.10+$126.3K+7.6%18.0M afterAmended2 lots
May 23, 2025 (view filing)2:16 PM ETMar 1866 daysImhoff John EDirector, 10% OwnerPPurchase+1.26M–––1.26M afterAmendedDerivative2 lots
Apr 8, 2025 (view filing)12:11 PM ETMar 1821 daysLateJames Michael CDirectorPPurchase+412.9K$0.10+$41.3K+366.2%525.7K after2 lots
Apr 8, 2025 (view filing)12:11 PM ETMar 1821 daysLateJames Michael CDirectorPPurchase+412.9K–––412.9K afterDerivative2 lots
Dec 20, 2024 (view filing)Dec 182 daysImhoff John EDirector, 10% OwnerPPurchase+1.62M––+22.7%8.73M after
Dec 20, 2024 (view filing)Dec 182 daysImhoff John EDirector, 10% OwnerPPurchase+1.62M–––1.62M afterDerivative
Oct 2, 2024 (view filing)Sep 239 daysLateImhoff John EDirector, 10% OwnerPPurchase+1.67M––+30.8%7.08M after
Oct 2, 2024 (view filing)Sep 239 daysLateImhoff John EDirector, 10% OwnerPPurchase+1.67M–––1.67M afterDerivative
Sep 7, 2023 (view filing)Aug 1127 daysLateImhoff John EDirector, 10% OwnerPPurchase+500.9K––+11.3%4.94M after
Sep 7, 2023 (view filing)Aug 1127 daysLateImhoff John EDirector, 10% OwnerPPurchase+1.00M–––250 afterDerivative
Jun 27, 2023 (view filing)Sep 2, 2022298 daysLateBlumberg Richard P.Director, 10% OwnerPPurchase+1.00M––+90.1%2.11M after
Jun 27, 2023 (view filing)Sep 1, 2022299 daysLateBlumberg Richard P.Director, 10% OwnerPPurchase+2.00M–––1.00M afterDerivative2 lots
Jun 26, 2023 (view filing)Sep 2, 2022297 daysLateImhoff John EDirector, 10% OwnerPPurchase+500.0K––+13.0%4.36M after
Jun 26, 2023 (view filing)Sep 1, 2022298 daysLateImhoff John EDirector, 10% OwnerPPurchase+1.00M–––500.0K afterDerivative2 lots
Jun 2, 2023 (view filing)Sep 2, 2022273 daysLateJames Michael CDirector, 10% OwnerPPurchase+100.0K––+783.0%112.8K after
Jun 2, 2023 (view filing)Sep 1, 2022274 daysLateJames Michael CDirector, 10% OwnerPPurchase+200.0K–––100.0K afterDerivative2 lots