SEC Insider Transactions from Blumberg Richard P..

Last updated: 2026-03-14 11:34 UTC | Total transactions: 34

Blumberg Richard P. has filed 34 insider transactions across 1 company since September 2022.

Most recent transaction: a transaction of 55853 shares of GUIDED THERAPEUTICS INC ($GTHP) on April 10, 2025.

Activity breakdown: 3 open-market purchases and 0 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
April 10, 2025 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common Stock 55853 $0.00 6,911,059.0000 65,130,623 0.81% 0.09%
April 10, 2025 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common Stock 165481 $0.00 6,855,206.0000 65,130,623 2.47% 0.25%
Aug. 21, 2025 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common Stock 932000 $0.00 7,924,180.0000 65,130,623 13.33% 1.43%
June 3, 2025 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found A Stock Options 110000 $0.00 110,000.0000 65,130,623 9999.99% 0.17%
Aug. 21, 2025 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Preferred Series E Stock 233 $0.00 0.0000 65,130,623 100.00% 0.00%
Aug. 21, 2025 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common Stock 81121 $0.00 6,992,180.0000 65,130,623 1.17% 0.12%
Sept. 1, 2024 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Warrants 900000 $0.00 3,600,000.0000 54,105,101 33.33% 1.66%
Oct. 14, 2024 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common Stock 400000 $0.00 6,689,725.0000 54,105,101 6.36% 0.74%
July 9, 2024 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found A Stock Options 100000 $0.00 200,000.0000 54,105,101 100.00% 0.18%
Aug. 21, 2024 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common Stock 170563 $0.00 6,289,725.0000 54,105,101 2.79% 0.32%
March 26, 2024 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common stock 38893 $0.00 6,119,162.0000 54,105,101 0.64% 0.07%
March 26, 2024 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common stock 114912 $0.00 6,080,269.0000 54,105,101 1.93% 0.21%
March 1, 2024 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Warrants 900000 $0.00 2,700,000.0000 54,105,101 50.00% 1.66%
March 1, 2024 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common stock 400000 $0.00 5,965,357.0000 54,105,101 7.19% 0.74%
Nov. 16, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Warrants 1642500 $0.00 1,642,500.0000 0 9999.99% 0.00%
Dec. 1, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found X Common stock 1642500 $0.00 5,565,357.0000 0 41.87% 0.00%
Nov. 16, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Warrants 875000 $0.00 0.0000 0 100.00% 0.00%
Nov. 16, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Warrants 950000 $0.00 0.0000 0 100.00% 0.00%
Dec. 1, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found X Warrants 1642500 $0.00 0.0000 0 100.00% 0.00%
Aug. 21, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common stock 104914 $0.00 7,445,714.0000 0 1.43% 0.00%
Sept. 1, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common stock 400000 $0.00 7,445,714.0000 0 5.68% 0.00%
Sept. 1, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Warrants 900000 $0.00 1,800,000.0000 0 100.00% 0.00%
March 1, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common stock 400000 $0.00 2,509,715.0000 0 18.96% 0.00%
March 15, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found X Common stock 831250 $0.00 3,340,965.0000 0 33.12% 0.00%
March 31, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Common stock 76978 $0.00 3,417,943.0000 0 2.30% 0.00%
Feb. 15, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Warrants 875000 $0.00 1,825,000.0000 0 32.41% 0.00%
Feb. 22, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Warrants 831250 $0.00 831,250.0000 0 9999.99% 0.00%
Feb. 22, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found X Warrants 831250 $0.00 0.0000 0 100.00% 0.00%
March 1, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Warrants 900000 $0.00 900,000.0000 0 9999.99% 0.00%
Feb. 10, 2023 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found A Stock Options 100000 $0.00 100,000.0000 0 9999.99% 0.00%
Dec. 1, 2022 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found J Warrants 950000 $0.00 2,700,000.0000 0 54.29% 0.00%
Sept. 2, 2022 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found P Common Stock 1000000 $0.00 2,109,715.0000 0 90.11% 0.00%
Sept. 1, 2022 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found P Warrants 1000000 $0.00 1,000,000.0000 0 9999.99% 0.00%
Sept. 1, 2022 GUIDED THERAPEUTICS INC $GTHP Blumberg Richard P. Not found P Warrants 1000000 $0.00 1,000,000.0000 0 9999.99% 0.00%