SEC Insider Transactions from Bleichroeder LP.

Last updated: 2026-03-16 13:04 UTC | Total transactions: 26

Bleichroeder LP has filed 26 insider transactions across 5 companies since March 2023.

Most recent transaction: a purchase of 250000 shares of SCIENTIFIC INDUSTRIES INC ($SCND) on April 18, 2025.

Activity breakdown: 11 open-market purchases and 1 sale.

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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 18, 2025 SCIENTIFIC INDUSTRIES INC $SCND Bleichroeder LP TenPercentOwner P Common Stock 250000 $1.00 1,453,351.0000 11,928,599 20.78% 2.10%
April 18, 2025 SCIENTIFIC INDUSTRIES INC $SCND Bleichroeder LP TenPercentOwner P Warrants to Purchase Common Stock 250000 $0.00 250,000.0000 11,928,599 9999.99% 2.10%
March 26, 2025 LIQTECH INTERNATIONAL INC $LIQT Bleichroeder LP TenPercentOwner J Warrants to Purchase Common Stock 531250 $0.00 0.0000 9,475,443 100.00% 5.61%
March 26, 2025 LIQTECH INTERNATIONAL INC $LIQT Bleichroeder LP TenPercentOwner J Warrants to Purchase Common Stock 531250 $0.00 531,250.0000 9,475,443 9999.99% 5.61%
Sept. 19, 2024 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner X Common Stock 344644 $2.61 1,627,806.0000 0 26.86% 0.00%
Sept. 19, 2024 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner J Warrants to Purchase Common Stock 300000 $0.00 0.0000 0 100.00% 0.00%
Sept. 19, 2024 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner J Warrants to Purchase Common Stock 44644 $0.00 0.0000 0 100.00% 0.00%
Sept. 19, 2024 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner J Warrants to Purchase Common Stock 300000 $0.00 300,000.0000 0 9999.99% 0.00%
Sept. 19, 2024 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner J Warrants to Purchase Common Stock 44644 $0.00 44,644.0000 0 9999.99% 0.00%
Sept. 19, 2024 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner X Warrants to Purchase Common Stock 300000 $0.00 0.0000 0 100.00% 0.00%
Sept. 19, 2024 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner X Warrants to Purchase Common Stock 44644 $0.00 0.0000 0 100.00% 0.00%
Sept. 19, 2024 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner J Series E Convertible Preferred Stock 12500 $1000.00 0.0000 0 100.00% 0.00%
Sept. 19, 2024 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner J Series E Convertible Preferred Stock 12500 $1000.00 12,500.0000 0 9999.99% 0.00%
July 22, 2024 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner P Warrants to Purchase Common Stock 300000 $0.00 300,000.0000 0 9999.99% 0.00%
May 9, 2024 GPGI, Inc. $GPGI Bleichroeder LP TenPercentOwner P Common Stock 800000 $6.50 3,797,550.0000 0 26.69% 0.00%
March 22, 2024 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner P Series E Convertible Preferred Stock 1000 $1000.00 12,500.0000 0 8.70% 0.00%
Nov. 30, 2023 GPGI, Inc. $GPGI Bleichroeder LP TenPercentOwner P Common Stock 8100 $4.88 2,997,550.0000 0 0.27% 0.00%
Nov. 10, 2023 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner S Series F Convertible Preferred Stock 5000 $1000.00 0.0000 0 100.00% 0.00%
Nov. 10, 2023 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner P Series E Convertible Preferred Stock 5000 $1000.00 9,000.0000 0 125.00% 0.00%
Nov. 10, 2023 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner P Series E Convertible Preferred Stock 2500 $1000.00 11,500.0000 0 27.78% 0.00%
Aug. 1, 2023 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner P Series F Convertible Preferred Stock 5000 $1000.00 5,000.0000 0 9999.99% 0.00%
April 24, 2023 Identiv, Inc. $INVE Bleichroeder LP TenPercentOwner X Common Stock 275000 $3.50 2,884,495.0000 0 10.54% 0.00%
April 24, 2023 Identiv, Inc. $INVE Bleichroeder LP TenPercentOwner X Warrant to Purchase Common Stock 275000 $0.00 0.0000 0 100.00% 0.00%
March 27, 2023 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner P Series E Convertible Preferred Stock 1000 $1000.00 4,000.0000 0 33.33% 0.00%
March 27, 2023 DUOS TECHNOLOGIES GROUP, INC. $DUOT Bleichroeder LP TenPercentOwner P Series E Convertible Preferred Stock 4000 $1000.00 4,000.0000 0 9999.99% 0.00%
March 13, 2023 Identiv, Inc. $INVE Bleichroeder LP TenPercentOwner J Common Stock 25000 $0.00 2,609,495.0000 0 0.95% 0.00%