WaveMan · Form 4
Bleichroeder LP insider trades
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Bleichroeder LP insider trades

Bleichroeder LP has filed 50 Form 4s with the SEC that we hold, for GPGI, Inc. (CMPO) (10% owner), Duos Technologies Group, INC. (DUOT) (10% owner), INVE Technologies, Inc. (INVE) (10% owner) and IVAC (10% owner), among 8 companies in all. Across all of them we count 65 purchases worth $51.1M and 2 sales worth $25.5K reported on Form 4. In the last 12 months: 1 purchase ($700.0K) and 0 sales ($0). The largest single trade was a purchase of 633,162 shares of FERLX worth $16.0M, dated 2025-08-06. The first filing on our record is dated 2022-01-12 and the latest 2026-07-09.

GPGI, Inc. (CMPO)

10% owner · 20 filings · 43 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-03-29P, purchase reported on Form 418,489$137.2K2022-04-11
2022-03-30P, purchase reported on Form 427,265$205.9K2022-04-11
2022-03-31P, purchase reported on Form 414,594$110.8K2022-04-11
2022-04-01P, purchase reported on Form 48,171$61.9K2022-04-11
2022-04-06P, purchase reported on Form 4600$4.1K2022-04-11
2022-04-07P, purchase reported on Form 42,899$19.7K2022-04-11
2022-04-08P, purchase reported on Form 41,501$10.2K2022-04-11
2022-04-13P, purchase reported on Form 4239,427$1.7M2022-04-14
2022-04-14P, purchase reported on Form 45,938$42.6K2022-04-14
2022-04-19P, purchase reported on Form 438,465$294.3K2022-04-21
2022-04-20P, purchase reported on Form 426,064$202.0K2022-04-21
2022-04-21P, purchase reported on Form 454,593$416.5K2022-04-21
2022-04-22P, purchase reported on Form 434,744$260.2K2022-04-26
2022-04-25P, purchase reported on Form 445,000$326.2K2022-04-26
2022-04-26P, purchase reported on Form 463,100$452.4K2022-04-26
2022-04-29P, purchase reported on Form 463,332$494.6K2022-05-03
2022-05-02P, purchase reported on Form 45,736$42.9K2022-05-03
2022-05-03P, purchase reported on Form 430,671$228.5K2022-05-03
2022-05-04P, purchase reported on Form 447,719$356.5K2022-05-06
2022-05-05P, purchase reported on Form 417,133$125.8K2022-05-06
2022-05-06P, purchase reported on Form 428,043$208.6K2022-05-06
2022-05-09P, purchase reported on Form 411,774$88.1K2022-05-11
2022-05-10P, purchase reported on Form 4103,027$716.0K2022-05-11
2022-05-11P, purchase reported on Form 450,000$318.0K2022-05-11
2022-05-12P, purchase reported on Form 43,258$19.5K2022-05-16
2022-06-10P, purchase reported on Form 4674$4.0K2022-06-14
2022-06-13P, purchase reported on Form 410,000$58.7K2022-06-14
2022-06-14P, purchase reported on Form 430$1622022-06-14
2022-07-27P, purchase reported on Form 43,673$18.3K2022-07-29
2022-08-25P, purchase reported on Form 4500,000$2.8M2022-08-29
2022-09-16P, purchase reported on Form 432,848$163.6K2022-09-20
2022-09-19P, purchase reported on Form 45,430$27.1K2022-09-20
2022-09-20P, purchase reported on Form 411,722$58.5K2022-09-20
2022-09-22P, purchase reported on Form 4800$3.9K2022-09-26
2022-09-23P, purchase reported on Form 47,350$35.1K2022-09-26
2022-09-26P, purchase reported on Form 44,532$21.7K2022-09-26
2022-12-07P, purchase reported on Form 419,723$86.6K2022-12-12
2022-12-07P, purchase reported on Form 419,273$84.6K2022-12-09
2022-12-08P, purchase reported on Form 422,440$98.1K2022-12-12
2022-12-08P, purchase reported on Form 422,400$97.9K2022-12-09
2022-12-09P, purchase reported on Form 413,943$60.2K2022-12-12
2023-11-30P, purchase reported on Form 48,100$39.5K2023-12-04
2024-05-09P, purchase reported on Form 4800,000$5.2M2024-05-13

Duos Technologies Group, INC. (DUOT)

10% owner · 10 filings · 1 purchase or sale
Trade dateCodeSharesValue as filedFiled
2022-02-04P, purchase reported on Form 4375,000$1.5M2022-02-08

INVE Technologies, Inc. (INVE)

10% owner · 7 filings · 11 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-03-04P, purchase reported on Form 459,370$900.0K2022-03-08
2022-03-07P, purchase reported on Form 426,399$403.4K2022-03-08
2022-03-08P, purchase reported on Form 481,172$1.2M2022-03-08
2022-03-14P, purchase reported on Form 424,606$368.6K2022-03-16
2022-04-21P, purchase reported on Form 467,671$853.3K2022-04-25
2022-04-22P, purchase reported on Form 435,100$440.9K2022-04-25
2022-05-06P, purchase reported on Form 4100,000$1.2M2022-05-10
2022-05-09P, purchase reported on Form 43,301$38.8K2022-05-10
2022-05-10P, purchase reported on Form 425,000$293.5K2022-05-10
2022-05-24P, purchase reported on Form 410,000$111.5K2022-05-26
2022-05-25P, purchase reported on Form 45,487$61.2K2022-05-26

IVAC

10% owner · 4 filings · 6 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-06-14S, sale reported on Form 4200$9622022-06-15
2022-06-15S, sale reported on Form 45,050$24.5K2022-06-15
2023-01-04P, purchase reported on Form 427,300$176.6K2023-01-06
2023-01-05P, purchase reported on Form 42,637$17.1K2023-01-06
2023-01-06P, purchase reported on Form 446,931$308.8K2023-01-06
2023-03-23P, purchase reported on Form 437,800$262.0K2023-03-27

FERLX

10% owner · 3 filings · 2 purchases and sales
Trade dateCodeSharesValue as filedFiled
2025-04-30P, purchase reported on Form 4354,645$8.9M2025-05-02
2025-08-06P, purchase reported on Form 4633,162$16.0M2025-08-08

Scientific Industries INC (SCND)

10% owner · 3 filings · 3 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-03-02P, purchase reported on Form 445,456$250.0K2022-03-03
2023-12-13P, purchase reported on Form 4600,000$1.2M2023-12-15
2025-04-18P, purchase reported on Form 4250,000$250.0K2025-04-22

Liqtech International INC (LIQT)

10% owner · 2 filings · 1 purchase or sale
Trade dateCodeSharesValue as filedFiled
2026-06-05P, purchase reported on Form 4700,000$700.0K2026-06-09

DRRX

10% owner · 1 filing · 0 purchases and sales

No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.

Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1781002) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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