Imhoff John E made five open market purchases of Guided Therapeutics Inc. ($GTHP) shares over the last year, totaling nearly $283,000. His most recent buy occurred on August 29, 2025. Among nearly 5,000 insiders tracking open market buys, his total ranks 1,211th, below the average of about $1.46 million across roughly 3.3 transactions per person. He reported no open market sales in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 5, 2026 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Common Stock | 25338 | $0.00 | 19,684,293.0000 | 83,599,156 | 0.13% | 0.03% |
| Feb. 27, 2026 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | C | Convertible Promissory Note | 156086 | $0.07 | 120,000.0000 | 83,599,156 | 56.54% | 0.19% |
| Feb. 25, 2026 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | X | Warrants | 500000 | $0.00 | 0.0000 | 83,599,156 | 100.00% | 0.60% |
| Feb. 25, 2026 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Warrants | 500000 | $0.00 | 500,000.0000 | 83,599,156 | 9999.99% | 0.60% |
| Feb. 25, 2026 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Warrants | 500000 | $0.00 | 0.0000 | 83,599,156 | 100.00% | 0.60% |
| Feb. 25, 2026 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Warrants | 500000 | $0.00 | 500,000.0000 | 83,599,156 | 9999.99% | 0.60% |
| Feb. 25, 2026 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Warrants | 500000 | $0.00 | 0.0000 | 83,599,156 | 100.00% | 0.60% |
| Feb. 2, 2026 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Preferred Series E Stock | 100 | $0.00 | 0.0000 | 83,599,156 | 100.00% | 0.00% |
| Feb. 25, 2026 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | X | Common Stock | 500000 | $0.00 | 20,497,013.0000 | 83,599,156 | 2.50% | 0.60% |
| Feb. 2, 2026 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | C | Common Stock | 312720 | $0.07 | 19,997,013.0000 | 83,599,156 | 1.59% | 0.37% |
| Dec. 18, 2025 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | C | Common Stock | 195460 | $0.07 | 19,658,955.0000 | 83,599,156 | 1.00% | 0.23% |
| Aug. 29, 2025 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Warrants | 166667 | $0.00 | 191,667.0000 | 65,130,623 | 666.67% | 0.26% |
| Aug. 21, 2025 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Preferred Series E Stock | 300 | $0.00 | 100.0000 | 65,130,623 | 75.00% | 0.00% |
| Aug. 21, 2025 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Common Stock | 1200000 | $0.00 | 19,296,828.0000 | 65,130,623 | 6.63% | 1.84% |
| Aug. 29, 2025 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | A | Stock Options | 110000 | $0.00 | 110,000.0000 | 65,130,623 | 9999.99% | 0.17% |
| March 18, 2025 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Warrants | 263069 | $0.00 | 1,263,069.0000 | 65,130,623 | 26.31% | 0.40% |
| March 18, 2025 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Warrants | 1000000 | $0.00 | 1,000,000.0000 | 65,130,623 | 9999.99% | 1.54% |
| April 10, 2025 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Common Stock | 2258690 | $0.13 | 16,722,946.0000 | 65,130,623 | 15.62% | 3.47% |
| March 11, 2025 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Warrants | 263069 | $0.00 | 1,263,069.0000 | 65,130,623 | 26.31% | 0.40% |
| March 6, 2025 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Warrants | 1000000 | $0.00 | 1,000,000.0000 | 65,130,623 | 9999.99% | 1.54% |
| Jan. 17, 2025 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Common Stock | 1615385 | $0.00 | 8,727,444.0000 | 54,105,101 | 22.71% | 2.99% |
| Dec. 18, 2024 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Warrants | 1615385 | $0.00 | 1,615,385.0000 | 54,105,101 | 9999.99% | 2.99% |
| Oct. 15, 2024 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Common Stock | 36161 | $0.00 | 7,112,059.0000 | 54,105,101 | 0.51% | 0.07% |
| Sept. 23, 2024 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Warrants | 1666667 | $0.00 | 1,666,667.0000 | 54,105,101 | 9999.99% | 3.08% |
| Sept. 23, 2024 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Common Stock | 1666667 | $0.00 | 7,075,898.0000 | 54,105,101 | 30.81% | 3.08% |
| July 31, 2024 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Warrants | 25000 | $0.00 | 25,000.0000 | 54,105,101 | 9999.99% | 0.05% |
| July 9, 2024 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | A | Stock Options | 100000 | $0.00 | 250,000.0000 | 54,105,101 | 66.67% | 0.18% |
| Aug. 21, 2024 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Common Stock | 48327 | $0.00 | 5,226,223.0000 | 54,105,101 | 0.93% | 0.09% |
| April 5, 2024 | GUIDED THERAPEUTICS INC | $GTHP | 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 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Common Stock | 4420 | $0.00 | 5,129,258.0000 | 54,105,101 | 0.09% | 0.01% |
| Jan. 16, 2024 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Common Stock | 37324 | $0.00 | 5,124,838.0000 | 54,105,101 | 0.73% | 0.07% |
| Oct. 16, 2023 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Common Stock | 37410 | $0.00 | 5,087,514.0000 | 0 | 0.74% | 0.00% |
| Aug. 11, 2023 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Series E Preferred Stock | 250 | $0.00 | 250.0000 | 0 | 9999.99% | 0.00% |
| Aug. 21, 2023 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Common Stock | 112568 | $0.00 | 5,050,104.0000 | 0 | 2.28% | 0.00% |
| Aug. 11, 2023 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Common Stock | 500899 | $0.00 | 4,937,536.0000 | 0 | 11.29% | 0.00% |
| July 17, 2023 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Common Stock | 26301 | $0.00 | 4,436,637.0000 | 0 | 0.60% | 0.00% |
| Sept. 1, 2022 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Warrants | 500000 | $0.00 | 500,000.0000 | 0 | 9999.99% | 0.00% |
| Sept. 2, 2022 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Common Stock | 500000 | $0.00 | 4,356,532.0000 | 0 | 12.97% | 0.00% |
| Feb. 10, 2023 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | A | Stock Options | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |
| April 18, 2023 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | J | Common Stock | 22393 | $0.00 | 4,410,336.0000 | 0 | 0.51% | 0.00% |
| Sept. 1, 2022 | GUIDED THERAPEUTICS INC | $GTHP | Imhoff John E | Not found | P | Warrants | 500000 | $0.00 | 500,000.0000 | 0 | 9999.99% | 0.00% |