GUIDED THERAPEUTICS INC ($GTHP) Insider Transactions

Last updated: 2026-03-16 13:01 UTC | Total transactions: 133

In the last 12 months, insiders at GUIDED THERAPEUTICS INC ($GTHP) filed 133 transactions with the SEC: 36 open-market purchases totaling $328,908 and 0 sales totaling $0. Net insider sentiment: net buying.

GUIDED THERAPEUTICS INC operates in the Electromedical & electrotherapeutic apparatus industry (Industrial Applications and Services sector).

Most Active Insiders

View all SEC Filings for GUIDED THERAPEUTICS INC (GTHP).

Set Up your own filters →

Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 25, 2026 Imhoff John E Not found X Common Stock 500000 $0.00 20,497,013.0000 83,599,156 2.50% 0.60%
Feb. 25, 2026 Imhoff John E Not found X Warrants 500000 $0.00 0.0000 83,599,156 100.00% 0.60%
Feb. 27, 2026 Imhoff John E Not found C Convertible Promissory Note 156086 $0.07 120,000.0000 83,599,156 56.54% 0.19%
Dec. 18, 2025 Imhoff John E Not found C Common Stock 195460 $0.07 19,658,955.0000 83,599,156 1.00% 0.23%
Feb. 25, 2026 Imhoff John E Not found J Warrants 500000 $0.00 500,000.0000 83,599,156 9999.99% 0.60%
Feb. 25, 2026 Imhoff John E Not found J Warrants 500000 $0.00 0.0000 83,599,156 100.00% 0.60%
Feb. 25, 2026 Imhoff John E Not found J Warrants 500000 $0.00 500,000.0000 83,599,156 9999.99% 0.60%
Feb. 25, 2026 Imhoff John E Not found J Warrants 500000 $0.00 0.0000 83,599,156 100.00% 0.60%
Feb. 2, 2026 Imhoff John E Not found C Convertible Promissory Note 312720 $0.00 130,000.0000 83,599,156 70.64% 0.37%
Dec. 18, 2025 Imhoff John E Not found C Convertible Promissory Note 195460 $0.00 150,000.0000 83,599,156 56.58% 0.23%
Feb. 27, 2026 Imhoff John E Not found C Common Stock 156086 $0.07 21,053,099.0000 83,599,156 0.75% 0.19%
Feb. 27, 2026 Imhoff John E Not found J Common Stock 400000 $0.00 20,897,013.0000 83,599,156 1.95% 0.48%
Feb. 27, 2026 Imhoff John E Not found J Preferred Series E Stock 100 $0.00 0.0000 83,599,156 100.00% 0.00%
Jan. 5, 2026 Imhoff John E Not found J Common Stock 25338 $0.00 19,684,293.0000 83,599,156 0.13% 0.03%
Feb. 2, 2026 Imhoff John E Not found C Common Stock 312720 $0.07 19,997,013.0000 83,599,156 1.59% 0.37%
Feb. 25, 2026 JAMES MICHAEL C Not found X Common Stock 100000 $0.00 653,495.0000 83,599,156 18.07% 0.12%
Feb. 25, 2026 JAMES MICHAEL C Not found J Warrants 100000 $0.00 100,000.0000 83,599,156 9999.99% 0.12%
Feb. 25, 2026 JAMES MICHAEL C Not found J Warrants 100000 $0.00 0.0000 83,599,156 100.00% 0.12%
Feb. 25, 2026 JAMES MICHAEL C Not found J Warrants 100000 $0.00 152,778.0000 83,599,156 189.47% 0.12%
Feb. 25, 2026 JAMES MICHAEL C Not found X Warrants 100000 $0.00 52,778.0000 83,599,156 65.45% 0.12%
Feb. 25, 2026 JAMES MICHAEL C Not found J Warrants 100000 $0.00 0.0000 83,599,156 100.00% 0.12%
Aug. 21, 2025 Blumberg Richard P. Not found J Common Stock 81121 $0.00 6,992,180.0000 65,130,623 1.17% 0.12%
April 10, 2025 Blumberg Richard P. Not found J Common Stock 165481 $0.00 6,855,206.0000 65,130,623 2.47% 0.25%
Aug. 29, 2025 Imhoff John E Not found P Warrants 166667 $0.00 191,667.0000 65,130,623 666.67% 0.26%
Aug. 29, 2025 Imhoff John E Not found P Common Stock 166667 $0.18 19,463,495.0000 65,130,623 0.86% 0.26%
Aug. 21, 2025 Imhoff John E Not found J Common Stock 1200000 $0.00 19,296,828.0000 65,130,623 6.63% 1.84%
Aug. 21, 2025 Imhoff John E Not found J Preferred Series E Stock 300 $0.00 100.0000 65,130,623 75.00% 0.00%
Aug. 29, 2025 JAMES MICHAEL C Not found P Warrants 27778 $0.00 52,778.0000 65,130,623 111.11% 0.04%
Aug. 29, 2025 JAMES MICHAEL C Not found P Common Stock 27778 $0.18 553,495.0000 65,130,623 5.28% 0.04%
June 3, 2025 Blumberg Richard P. Not found A Stock Options 110000 $0.00 110,000.0000 65,130,623 9999.99% 0.17%
Aug. 21, 2025 Blumberg Richard P. Not found J Common Stock 932000 $0.00 7,924,180.0000 65,130,623 13.33% 1.43%
Aug. 21, 2025 Blumberg Richard P. Not found J Preferred Series E Stock 233 $0.00 0.0000 65,130,623 100.00% 0.00%
April 10, 2025 Blumberg Richard P. Not found J Common Stock 55853 $0.00 6,911,059.0000 65,130,623 0.81% 0.09%
Aug. 21, 2025 Grujic Alan Not found J Common Stock 200000 $0.00 1,665,433.0000 65,130,623 13.65% 0.31%
Aug. 21, 2025 Grujic Alan Not found J Preferred Series E Stock 50 $0.00 0.0000 65,130,623 100.00% 0.00%
Aug. 29, 2025 Grujic Alan Not found P Warrants 152108 $0.00 177,108.0000 65,130,623 608.43% 0.23%
Aug. 29, 2025 Grujic Alan Not found P Common Stock 152108 $0.00 1,817,541.0000 65,130,623 9.13% 0.23%
Aug. 21, 2025 Grujic Alan Not found J Common Stock 17408 $0.00 1,465,433.0000 65,130,623 1.20% 0.03%
Aug. 21, 2025 Imhoff John E Not found J Common Stock 104448 $0.00 18,096,828.0000 65,130,623 0.58% 0.16%
June 3, 2025 JAMES MICHAEL C Not found A Stock Options 110000 $0.00 110,000.0000 65,130,623 9999.99% 0.17%
June 3, 2025 Imhoff John E Not found A Stock Options 110000 $0.00 110,000.0000 65,130,623 9999.99% 0.17%
June 3, 2025 Grujic Alan Not found A Stock Options 110000 $0.00 110,000.0000 65,130,623 9999.99% 0.17%
March 11, 2025 Imhoff John E Not found J Preferred Series C Stock 286 $0.00 0.0000 65,130,623 100.00% 0.00%
March 6, 2025 Imhoff John E Not found J Preferred Series D Stock 300 $0.00 0.0000 65,130,623 100.00% 0.00%
March 6, 2025 Imhoff John E Not found J Common Stock 900000 $0.00 9,662,756.0000 65,130,623 10.27% 1.38%
March 6, 2025 Imhoff John E Not found J Preferred Series C2 Stock 2401 $0.00 0.0000 65,130,623 100.00% 0.00%
March 6, 2025 Imhoff John E Not found J Common Stock 4801500 $0.50 14,464,256.0000 65,130,623 49.69% 7.37%
March 7, 2025 Imhoff John E Not found P Preferred Series C Stock 286 $0.00 286.0000 65,130,623 9999.99% 0.00%
March 18, 2025 Imhoff John E Not found P Warrants 263069 $0.00 1,263,069.0000 65,130,623 26.31% 0.40%
March 18, 2025 Imhoff John E Not found P Warrants 1000000 $0.00 1,000,000.0000 65,130,623 9999.99% 1.54%
April 10, 2025 Imhoff John E Not found J Common Stock 6365 $0.00 17,992,380.0000 65,130,623 0.04% 0.01%
March 18, 2025 Imhoff John E Not found P Common Stock 263069 $0.10 17,986,015.0000 65,130,623 1.48% 0.40%
March 18, 2025 Imhoff John E Not found P Common Stock 1000000 $0.10 17,722,946.0000 65,130,623 5.98% 1.54%
March 13, 2025 Imhoff John E Not found P Preferred Series E Stock 150 $0.00 400.0000 65,130,623 60.00% 0.00%
March 11, 2025 Imhoff John E Not found J Common Stock 2258690 $0.13 16,722,946.0000 65,130,623 15.62% 3.47%
March 6, 2025 Imhoff John E Not found J Preferred Series D Stock 300 $0.00 0.0000 65,130,623 100.00% 0.00%
March 6, 2025 Imhoff John E Not found J Common Stock 900000 $0.00 9,662,756.0000 65,130,623 10.27% 1.38%
March 6, 2025 Imhoff John E Not found J Preferred Series C2 Stock 2401 $0.00 0.0000 65,130,623 100.00% 0.00%
March 6, 2025 Imhoff John E Not found J Common Stock 4801500 $0.50 14,464,256.0000 65,130,623 49.69% 7.37%
March 7, 2025 Imhoff John E Not found P Preferred Series C Stock 286 $0.00 286.0000 65,130,623 9999.99% 0.00%
March 11, 2025 Imhoff John E Not found J Preferred Series C Stock 286 $0.00 0.0000 65,130,623 100.00% 0.00%
March 11, 2025 Imhoff John E Not found J Common Stock 2258690 $0.13 16,722,946.0000 65,130,623 15.62% 3.47%
March 18, 2025 Imhoff John E Not found P Common Stock 1000000 $0.10 17,722,946.0000 65,130,623 5.98% 1.54%
March 18, 2025 Imhoff John E Not found P Common Stock 263069 $0.10 17,986,015.0000 65,130,623 1.48% 0.40%
April 10, 2025 Imhoff John E Not found J Common Stock 6365 $0.00 17,992,380.0000 65,130,623 0.04% 0.01%
March 18, 2025 Imhoff John E Not found P Warrants 1000000 $0.00 1,000,000.0000 65,130,623 9999.99% 1.54%
March 18, 2025 Imhoff John E Not found P Warrants 263069 $0.00 1,263,069.0000 65,130,623 26.31% 0.40%
March 18, 2025 JAMES MICHAEL C Not found P Common Stock 150000 $0.10 262,772.0000 65,130,623 133.01% 0.23%
March 18, 2025 JAMES MICHAEL C Not found P Warrants 262945 $0.00 412,945.0000 65,130,623 175.30% 0.40%
March 18, 2025 JAMES MICHAEL C Not found P Warrants 150000 $0.00 150,000.0000 65,130,623 9999.99% 0.23%
March 18, 2025 JAMES MICHAEL C Not found P Common Stock 262945 $0.10 525,717.0000 65,130,623 100.07% 0.40%
Jan. 17, 2025 Imhoff John E Not found J Common Stock 35312 $0.00 8,762,756.0000 65,130,623 0.40% 0.05%
Dec. 18, 2024 Imhoff John E Not found P Warrants 1615385 $0.00 1,615,385.0000 54,105,101 9999.99% 2.99%
Dec. 18, 2024 Imhoff John E Not found P Common Stock 1615385 $0.00 8,727,444.0000 54,105,101 22.71% 2.99%
Oct. 15, 2024 Imhoff John E Not found J Common Stock 36161 $0.00 7,112,059.0000 54,105,101 0.51% 0.07%
Oct. 14, 2024 Blumberg Richard P. Not found J Common Stock 400000 $0.00 6,689,725.0000 54,105,101 6.36% 0.74%
Sept. 1, 2024 Blumberg Richard P. Not found J Warrants 900000 $0.00 3,600,000.0000 54,105,101 33.33% 1.66%
Sept. 23, 2024 Imhoff John E Not found P Warrants 1666667 $0.00 1,666,667.0000 54,105,101 9999.99% 3.08%
Sept. 23, 2024 Imhoff John E Not found P Common Stock 1666667 $0.00 7,075,898.0000 54,105,101 30.81% 3.08%
July 9, 2024 JAMES MICHAEL C Not found A Stock Options 100000 $0.00 250,000.0000 54,105,101 66.67% 0.18%
Aug. 2, 2024 JAMES MICHAEL C Not found J Warrants 25000 $0.00 25,000.0000 54,105,101 9999.99% 0.05%
July 9, 2024 Imhoff John E Not found A Stock Options 100000 $0.00 250,000.0000 54,105,101 66.67% 0.18%
July 31, 2024 Imhoff John E Not found J Warrants 25000 $0.00 25,000.0000 54,105,101 9999.99% 0.05%
July 9, 2024 Blumberg Richard P. Not found A Stock Options 100000 $0.00 200,000.0000 54,105,101 100.00% 0.18%
Sept. 2, 2024 Grujic Alan Not found J Warrants 800000 $0.00 500,000.0000 54,105,101 61.54% 1.48%
July 9, 2024 Grujic Alan Not found A Stock Options 100000 $0.00 100,000.0000 54,105,101 9999.99% 0.18%
July 31, 2024 Grujic Alan Not found J Warrants 25000 $0.00 25,000.0000 54,105,101 9999.99% 0.05%
Aug. 21, 2024 Grujic Alan Not found J Common Stock 36602 $0.00 1,448,025.0000 54,105,101 2.59% 0.07%
Aug. 21, 2024 Blumberg Richard P. Not found J Common Stock 170563 $0.00 6,289,725.0000 54,105,101 2.79% 0.32%
Aug. 21, 2024 Imhoff John E Not found J Common Stock 183008 $0.00 5,409,231.0000 54,105,101 3.50% 0.34%
July 15, 2024 Imhoff John E Not found J Common Stock 48327 $0.00 5,226,223.0000 54,105,101 0.93% 0.09%
March 26, 2024 Imhoff John E Not found J Common Stock 4420 $0.00 5,129,258.0000 54,105,101 0.09% 0.01%
April 5, 2024 Imhoff John E Not found J Common Stock 48638 $0.00 5,177,896.0000 54,105,101 0.95% 0.09%
March 26, 2024 Blumberg Richard P. Not found J Common stock 114912 $0.00 6,080,269.0000 54,105,101 1.93% 0.21%
March 26, 2024 Blumberg Richard P. Not found J Common stock 38893 $0.00 6,119,162.0000 54,105,101 0.64% 0.07%
March 1, 2024 Blumberg Richard P. Not found J Common stock 400000 $0.00 5,965,357.0000 54,105,101 7.19% 0.74%
March 1, 2024 Blumberg Richard P. Not found J Warrants 900000 $0.00 2,700,000.0000 54,105,101 50.00% 1.66%
Oct. 16, 2023 Imhoff John E Not found J Common Stock 37410 $0.00 5,087,514.0000 0 0.74% 0.00%
Jan. 16, 2024 Imhoff John E Not found J Common Stock 37324 $0.00 5,124,838.0000 54,105,101 0.73% 0.07%
Nov. 16, 2023 Blumberg Richard P. Not found J Warrants 1642500 $0.00 1,642,500.0000 0 9999.99% 0.00%
Dec. 1, 2023 Blumberg Richard P. Not found X Common stock 1642500 $0.00 5,565,357.0000 0 41.87% 0.00%
Nov. 16, 2023 Blumberg Richard P. Not found J Warrants 875000 $0.00 0.0000 0 100.00% 0.00%
Nov. 16, 2023 Blumberg Richard P. Not found J Warrants 950000 $0.00 0.0000 0 100.00% 0.00%
Dec. 1, 2023 Blumberg Richard P. Not found X Warrants 1642500 $0.00 0.0000 0 100.00% 0.00%
Aug. 21, 2023 Blumberg Richard P. Not found J Common stock 104914 $0.00 7,445,714.0000 0 1.43% 0.00%
Sept. 1, 2023 Blumberg Richard P. Not found J Warrants 900000 $0.00 1,800,000.0000 0 100.00% 0.00%
Sept. 1, 2023 Blumberg Richard P. Not found J Common stock 400000 $0.00 7,445,714.0000 0 5.68% 0.00%
Aug. 21, 2023 Grujic Alan Not found J Common Stock 22514 $0.00 1,411,423.0000 0 1.62% 0.00%
July 17, 2023 Imhoff John E Not found J Common Stock 26301 $0.00 4,436,637.0000 0 0.60% 0.00%
Aug. 11, 2023 Imhoff John E Not found P Common Stock 500899 $0.00 4,937,536.0000 0 11.29% 0.00%
Aug. 21, 2023 Imhoff John E Not found J Common Stock 112568 $0.00 5,050,104.0000 0 2.28% 0.00%
Aug. 11, 2023 Imhoff John E Not found P Series E Preferred Stock 250 $0.00 250.0000 0 9999.99% 0.00%
Feb. 22, 2023 Blumberg Richard P. Not found J Warrants 831250 $0.00 831,250.0000 0 9999.99% 0.00%
Feb. 22, 2023 Blumberg Richard P. Not found X Warrants 831250 $0.00 0.0000 0 100.00% 0.00%
March 1, 2023 Blumberg Richard P. Not found J Warrants 900000 $0.00 900,000.0000 0 9999.99% 0.00%
March 1, 2023 Blumberg Richard P. Not found J Common stock 400000 $0.00 2,509,715.0000 0 18.96% 0.00%
March 15, 2023 Blumberg Richard P. Not found X Common stock 831250 $0.00 3,340,965.0000 0 33.12% 0.00%
March 31, 2023 Blumberg Richard P. Not found J Common stock 76978 $0.00 3,417,943.0000 0 2.30% 0.00%
Feb. 15, 2023 Blumberg Richard P. Not found J Warrants 875000 $0.00 1,825,000.0000 0 32.41% 0.00%
Sept. 1, 2022 Blumberg Richard P. Not found P Warrants 1000000 $0.00 1,000,000.0000 0 9999.99% 0.00%
Sept. 1, 2022 Blumberg Richard P. Not found P Warrants 1000000 $0.00 1,000,000.0000 0 9999.99% 0.00%
Sept. 2, 2022 Blumberg Richard P. Not found P Common Stock 1000000 $0.00 2,109,715.0000 0 90.11% 0.00%
Dec. 1, 2022 Blumberg Richard P. Not found J Warrants 950000 $0.00 2,700,000.0000 0 54.29% 0.00%
Feb. 10, 2023 Blumberg Richard P. Not found A Stock Options 100000 $0.00 100,000.0000 0 9999.99% 0.00%
Sept. 1, 2022 Imhoff John E Not found P Warrants 500000 $0.00 500,000.0000 0 9999.99% 0.00%
Sept. 2, 2022 Imhoff John E Not found P Common Stock 500000 $0.00 4,356,532.0000 0 12.97% 0.00%
Feb. 10, 2023 Imhoff John E Not found A Stock Options 100000 $0.00 100,000.0000 0 9999.99% 0.00%
April 18, 2023 Imhoff John E Not found J Common Stock 22393 $0.00 4,410,336.0000 0 0.51% 0.00%
Sept. 1, 2022 Imhoff John E Not found P Warrants 500000 $0.00 500,000.0000 0 9999.99% 0.00%
Sept. 1, 2022 JAMES MICHAEL C Not found P Warrants 100000 $0.00 100,000.0000 0 9999.99% 0.00%
Sept. 2, 2022 JAMES MICHAEL C Not found P Common Stock 100000 $0.00 112,772.0000 0 782.96% 0.00%
Feb. 10, 2023 JAMES MICHAEL C Not found A Stock Options 100000 $0.00 150,000.0000 0 200.00% 0.00%
Sept. 1, 2022 JAMES MICHAEL C Not found P Warrants 100000 $0.00 100,000.0000 0 9999.99% 0.00%