Bleichroeder LP

SEC source: 0000905148-26-003215 · form4.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,249,141.59

F1 · kind: Represents shares tendered for repurchase during the Issuer's quarterly repurchase offer which ended on July 7, 2026.

F2 · ownership.nature: The common shares reported herein are indirectly beneficially owned by Bleichroeder LP, a Delaware limited partnership, an investment adviser registered under the Investment Advisers Act of 1940. Bleichroeder LP serves as registered investment adviser to managed accounts and investment funds that directly hold these securities. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-26-000001 · primary_doc.xml · nonDerivative · entry 2

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,882,239

F3 · kind: On June 8, 2026, the Issuer cancelled $3,000,000 in principal amount of promissory notes in exchange for the issuance to the Funds of 3,000,000 shares of Common Stock.

F2 · ownership.direct: This form is filed by Bleichroeder LP. The securities reported herein are directly held by the Funds. Bleichroeder LP serves as registered investment adviser to the Funds and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

F2 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by the Funds. Bleichroeder LP serves as registered investment adviser to the Funds and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-26-000001 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 3,882,239

F1 · kind: On June 5, 2026, 21 April Fund, Ltd. and 21 April Fund, LP (the "Funds") agreed to buy 700,000 shares of Common Stock at a price of $1.00 per share in the Issuer's underwritten public offering pursuant to the Registration Statement on Form S-1 (File No. 333-296258) filed with the Securities and Exchange Commission on May 27, 2026, as amended.

F2 · ownership.direct: This form is filed by Bleichroeder LP. The securities reported herein are directly held by the Funds. Bleichroeder LP serves as registered investment adviser to the Funds and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

F2 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by the Funds. Bleichroeder LP serves as registered investment adviser to the Funds and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0000905148-25-002782 · form4.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,367,807.03

F1 · ownership.nature: The common shares reported herein are indirectly beneficially owned by Bleichroeder LP, a Delaware limited partnership, an investment adviser registered under the Investment Advisers Act of 1940. Bleichroeder LP serves as registered investment adviser to managed accounts and investment funds that directly hold these securities. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0000905148-25-001423 · form4.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 734,645.18

F1 · ownership.nature: The common shares reported herein are indirectly beneficially owned by Bleichroeder LP, a Delaware limited partnership, an investment adviser registered under the Investment Advisers Act of 1940. Bleichroeder LP serves as registered investment adviser to managed accounts and investment funds that directly hold these securities. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-25-000004 · primary_doc.xml · derivative · entry 2

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 250,000

Underlying: Common Stock · 250,000 shares

Expires 2025-10-18

F1 · kind: On April 18, 2025, 21 April Fund, Ltd. and 21 April Fund, LP agreed to purchase from Scientific Industries Inc. (the "Issuer"), for an aggregate purchase price of $250,000, 250,000 shares of Common Stock and warrants to acquire 250,000 shares of Common Stock at an exercise price of $1.00 per share.

F1 · price: On April 18, 2025, 21 April Fund, Ltd. and 21 April Fund, LP agreed to purchase from Scientific Industries Inc. (the "Issuer"), for an aggregate purchase price of $250,000, 250,000 shares of Common Stock and warrants to acquire 250,000 shares of Common Stock at an exercise price of $1.00 per share.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-25-000004 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,453,351

F1 · price: On April 18, 2025, 21 April Fund, Ltd. and 21 April Fund, LP agreed to purchase from Scientific Industries Inc. (the "Issuer"), for an aggregate purchase price of $250,000, 250,000 shares of Common Stock and warrants to acquire 250,000 shares of Common Stock at an exercise price of $1.00 per share.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-25-000002 · primary_doc.xml · derivative · entry 2

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 531,250

Underlying: Common Stock · 531,250 shares

Expires 2029-12-31

F1 · derivative.exercise_price: On March 26, 2025, LiqTech International, Inc. and Bleichroeder LP, investment adviser to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 531,250 warrants to acquire Common Stock at an exercise price of $5.20 per share and having an expiration date of June 22, 2027 to (i) amend the exercise price to $2.00 per share and (ii) extend the expiration date to December 31, 2029.

F1 · kind: On March 26, 2025, LiqTech International, Inc. and Bleichroeder LP, investment adviser to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 531,250 warrants to acquire Common Stock at an exercise price of $5.20 per share and having an expiration date of June 22, 2027 to (i) amend the exercise price to $2.00 per share and (ii) extend the expiration date to December 31, 2029.

F1 · price: On March 26, 2025, LiqTech International, Inc. and Bleichroeder LP, investment adviser to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 531,250 warrants to acquire Common Stock at an exercise price of $5.20 per share and having an expiration date of June 22, 2027 to (i) amend the exercise price to $2.00 per share and (ii) extend the expiration date to December 31, 2029.

F2 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-25-000002 · primary_doc.xml · derivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 531,250 shares

Expires 2027-06-22

F1 · derivative.exercise_price: On March 26, 2025, LiqTech International, Inc. and Bleichroeder LP, investment adviser to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 531,250 warrants to acquire Common Stock at an exercise price of $5.20 per share and having an expiration date of June 22, 2027 to (i) amend the exercise price to $2.00 per share and (ii) extend the expiration date to December 31, 2029.

F1 · kind: On March 26, 2025, LiqTech International, Inc. and Bleichroeder LP, investment adviser to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 531,250 warrants to acquire Common Stock at an exercise price of $5.20 per share and having an expiration date of June 22, 2027 to (i) amend the exercise price to $2.00 per share and (ii) extend the expiration date to December 31, 2029.

F1 · price: On March 26, 2025, LiqTech International, Inc. and Bleichroeder LP, investment adviser to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 531,250 warrants to acquire Common Stock at an exercise price of $5.20 per share and having an expiration date of June 22, 2027 to (i) amend the exercise price to $2.00 per share and (ii) extend the expiration date to December 31, 2029.

F2 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000043 · primary_doc.xml · derivative · entry 9

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 12,500

Underlying: Common Stock · 4,789,272 shares

Expires not disclosed

F2 · derivative.exercise_price: On September 19, 2024, the Issuer agreed to reduce the conversion price for the Series E Convertible Preferred Stock from $3.00 to $2.61. Conversion of these shares is subject to a Beneficial Ownership Limitation of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · kind: On September 19, 2024, the Issuer agreed to reduce the conversion price for the Series E Convertible Preferred Stock from $3.00 to $2.61. Conversion of these shares is subject to a Beneficial Ownership Limitation of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · derivative.exercise_date: On September 19, 2024, the Issuer agreed to reduce the conversion price for the Series E Convertible Preferred Stock from $3.00 to $2.61. Conversion of these shares is subject to a Beneficial Ownership Limitation of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · derivative.expiration_date: On September 19, 2024, the Issuer agreed to reduce the conversion price for the Series E Convertible Preferred Stock from $3.00 to $2.61. Conversion of these shares is subject to a Beneficial Ownership Limitation of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F3 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000043 · primary_doc.xml · derivative · entry 8

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 4,166,667 shares

Expires not disclosed

F2 · derivative.exercise_price: On September 19, 2024, the Issuer agreed to reduce the conversion price for the Series E Convertible Preferred Stock from $3.00 to $2.61. Conversion of these shares is subject to a Beneficial Ownership Limitation of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · kind: On September 19, 2024, the Issuer agreed to reduce the conversion price for the Series E Convertible Preferred Stock from $3.00 to $2.61. Conversion of these shares is subject to a Beneficial Ownership Limitation of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · derivative.exercise_date: On September 19, 2024, the Issuer agreed to reduce the conversion price for the Series E Convertible Preferred Stock from $3.00 to $2.61. Conversion of these shares is subject to a Beneficial Ownership Limitation of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · derivative.expiration_date: On September 19, 2024, the Issuer agreed to reduce the conversion price for the Series E Convertible Preferred Stock from $3.00 to $2.61. Conversion of these shares is subject to a Beneficial Ownership Limitation of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F3 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000043 · primary_doc.xml · derivative · entry 7

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 44,644 shares

Expires 2024-09-25

F1 · derivative.exercise_price: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F3 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000043 · primary_doc.xml · derivative · entry 6

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 300,000 shares

Expires 2029-07-22

F1 · derivative.exercise_price: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F3 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000043 · primary_doc.xml · derivative · entry 5

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 44,644

Underlying: Common Stock · 44,644 shares

Expires 2024-09-25

F1 · derivative.exercise_price: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F1 · kind: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F1 · price: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F3 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000043 · primary_doc.xml · derivative · entry 4

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 300,000

Underlying: Common Stock · 300,000 shares

Expires 2029-07-22

F1 · derivative.exercise_price: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F1 · kind: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F1 · price: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F3 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000043 · primary_doc.xml · derivative · entry 3

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 44,644 shares

Expires 2024-09-25

F1 · derivative.exercise_price: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F1 · kind: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F1 · price: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F3 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000043 · primary_doc.xml · derivative · entry 2

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 300,000 shares

Expires 2029-07-22

F1 · derivative.exercise_price: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F1 · kind: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F1 · price: On September 19, 2024, DUOS Technologies Group, Inc. (the "Issuer") and Bleichroeder LP, investment advisor to 21 April Fund, Ltd. and 21 April Fund, LP, agreed to amend (x) those certain 300,000 warrants ("2024 Warrants") to acquire Common Stock at an exercise price of $3.00 per share and (y) those certain 44,644 warrants (the "2019 Warrants") to acquire Common Stock at an exercise price of $0.55 per share (such number of shares and exercise price reflecting adjustments resulting from a 1-for-14 reverse stock split), in each case, to (i) remove a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of Common Stock upon exercise of the applicable warrants and (ii) amend the exercise price to $2.61 per share. On September 19, 2024, following the amendments of the 2024 Warrants and the 2019 Warrants, the Holders exercised the 2024 Warrants and the 2019 Warrants.

F3 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000043 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,627,806

F3 · ownership.nature: This form is filed by Bleichroeder LP. The securities reported herein are directly held by 21 April Fund, Ltd. and 21 April Fund, LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000038 · primary_doc.xml · derivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 300,000

Underlying: Common Stock · 300,000 shares

Expires 2029-07-22

F1 · derivative.exercise_price: On July 22, 2024, in connection with the issuance of promissory notes to 21 April Fund, Ltd. and 21 April Fund, LP by DUOS Technologies Group, Inc. (the "Issuer"), 21 April Fund, Ltd. and 21 April Fund, LP were issued an aggregate of 300,000 warrants ("Warrants") to acquire Common Stock of the Issuer at an exercise price of $3.00 per share of Common Stock, subject to adjustment in certain circumstances. Exercise of the Warrants is subject to a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon exercise of the Warrants.

F1 · price: On July 22, 2024, in connection with the issuance of promissory notes to 21 April Fund, Ltd. and 21 April Fund, LP by DUOS Technologies Group, Inc. (the "Issuer"), 21 April Fund, Ltd. and 21 April Fund, LP were issued an aggregate of 300,000 warrants ("Warrants") to acquire Common Stock of the Issuer at an exercise price of $3.00 per share of Common Stock, subject to adjustment in certain circumstances. Exercise of the Warrants is subject to a Beneficial Ownership Limitation (as defined therein) of 9.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon exercise of the Warrants.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000034 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 3,797,550

F1 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-24-000026 · primary_doc.xml · derivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote (2)

Disclosed balance after: 12,500

Underlying: Common Stock · 333,334 shares

Expires not disclosed

F1 · derivative.exercise_price: On March 22, 2024, each of 21 April Fund, Ltd. and 21 April Fund, LP entered into an agreement (the "Securities Purchase Agreement") with DUOS Technologies Group, Inc. (the "Issuer") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer an aggregate of 1,000 shares of Series E Convertible Preferred Stock at a per share price of $1,000. Each share of Series E Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Articles, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.exercise_date: On March 22, 2024, each of 21 April Fund, Ltd. and 21 April Fund, LP entered into an agreement (the "Securities Purchase Agreement") with DUOS Technologies Group, Inc. (the "Issuer") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer an aggregate of 1,000 shares of Series E Convertible Preferred Stock at a per share price of $1,000. Each share of Series E Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Articles, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.expiration_date: On March 22, 2024, each of 21 April Fund, Ltd. and 21 April Fund, LP entered into an agreement (the "Securities Purchase Agreement") with DUOS Technologies Group, Inc. (the "Issuer") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer an aggregate of 1,000 shares of Series E Convertible Preferred Stock at a per share price of $1,000. Each share of Series E Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Articles, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000050 · primary_doc.xml · derivative · entry 6

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 960,000

Underlying: Common Stock · 960,000 shares

Expires 2028-12-13

F1 · kind: On December 13, 2023, 21 April Fund, Ltd., 21 April Fund, LP and Scientific Industries Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer, for an aggregate purchase price of $1,200,000, 600,000 shares of Common Stock and warrants to acquire 960,000 shares of Common Stock at an exercise price of $2.50 per share.

F1 · price: On December 13, 2023, 21 April Fund, Ltd., 21 April Fund, LP and Scientific Industries Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer, for an aggregate purchase price of $1,200,000, 600,000 shares of Common Stock and warrants to acquire 960,000 shares of Common Stock at an exercise price of $2.50 per share.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000050 · primary_doc.xml · derivative · entry 5

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 22,728

Underlying: Common Stock · 22,728 shares

Expires 2028-12-13

F3 · kind: On December 13, 2023, the Issuer amended the terms of (x) the 278,947 warrants with an exercise price of $9.50 per share and (y) the 22,728 warrants with an exercise price of $5.50 per share to, among other things, (i) reduce the exercise price to $2.50 and (ii) extend their exercise period to the fifth anniversary of the amendment of the warrants.

F3 · price: On December 13, 2023, the Issuer amended the terms of (x) the 278,947 warrants with an exercise price of $9.50 per share and (y) the 22,728 warrants with an exercise price of $5.50 per share to, among other things, (i) reduce the exercise price to $2.50 and (ii) extend their exercise period to the fifth anniversary of the amendment of the warrants.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000050 · primary_doc.xml · derivative · entry 4

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 22,728 shares

Expires 2027-03-02

F3 · kind: On December 13, 2023, the Issuer amended the terms of (x) the 278,947 warrants with an exercise price of $9.50 per share and (y) the 22,728 warrants with an exercise price of $5.50 per share to, among other things, (i) reduce the exercise price to $2.50 and (ii) extend their exercise period to the fifth anniversary of the amendment of the warrants.

F3 · price: On December 13, 2023, the Issuer amended the terms of (x) the 278,947 warrants with an exercise price of $9.50 per share and (y) the 22,728 warrants with an exercise price of $5.50 per share to, among other things, (i) reduce the exercise price to $2.50 and (ii) extend their exercise period to the fifth anniversary of the amendment of the warrants.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000050 · primary_doc.xml · derivative · entry 3

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 278,947

Underlying: Common Stock · 278,947 shares

Expires 2028-12-13

F3 · kind: On December 13, 2023, the Issuer amended the terms of (x) the 278,947 warrants with an exercise price of $9.50 per share and (y) the 22,728 warrants with an exercise price of $5.50 per share to, among other things, (i) reduce the exercise price to $2.50 and (ii) extend their exercise period to the fifth anniversary of the amendment of the warrants.

F3 · price: On December 13, 2023, the Issuer amended the terms of (x) the 278,947 warrants with an exercise price of $9.50 per share and (y) the 22,728 warrants with an exercise price of $5.50 per share to, among other things, (i) reduce the exercise price to $2.50 and (ii) extend their exercise period to the fifth anniversary of the amendment of the warrants.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000050 · primary_doc.xml · derivative · entry 2

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 278,947 shares

Expires 2026-06-18

F3 · kind: On December 13, 2023, the Issuer amended the terms of (x) the 278,947 warrants with an exercise price of $9.50 per share and (y) the 22,728 warrants with an exercise price of $5.50 per share to, among other things, (i) reduce the exercise price to $2.50 and (ii) extend their exercise period to the fifth anniversary of the amendment of the warrants.

F3 · price: On December 13, 2023, the Issuer amended the terms of (x) the 278,947 warrants with an exercise price of $9.50 per share and (y) the 22,728 warrants with an exercise price of $5.50 per share to, among other things, (i) reduce the exercise price to $2.50 and (ii) extend their exercise period to the fifth anniversary of the amendment of the warrants.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000050 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,203,351

F1 · price: On December 13, 2023, 21 April Fund, Ltd., 21 April Fund, LP and Scientific Industries Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer, for an aggregate purchase price of $1,200,000, 600,000 shares of Common Stock and warrants to acquire 960,000 shares of Common Stock at an exercise price of $2.50 per share.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000047 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 2,997,550

F1 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000043 · primary_doc.xml · derivative · entry 3

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 11,500

Underlying: Common Stock · 833,333 shares

Expires not disclosed

F3 · derivative.exercise_price: On 11/10/2023, 21 April Fund, Ltd., 21 April Fund, LP and the Issuer entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 2,500 shares of Series E at a per share price of $1,000. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Articles, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F3 · kind: On 11/10/2023, 21 April Fund, Ltd., 21 April Fund, LP and the Issuer entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 2,500 shares of Series E at a per share price of $1,000. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Articles, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F3 · derivative.exercise_date: On 11/10/2023, 21 April Fund, Ltd., 21 April Fund, LP and the Issuer entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 2,500 shares of Series E at a per share price of $1,000. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Articles, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F3 · derivative.expiration_date: On 11/10/2023, 21 April Fund, Ltd., 21 April Fund, LP and the Issuer entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 2,500 shares of Series E at a per share price of $1,000. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Articles, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000043 · primary_doc.xml · derivative · entry 2

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 9,000

Underlying: Common Stock · 1,666,667 shares

Expires not disclosed

F1 · derivative.exercise_price: On 11/10/2023, 21 April Fund, Ltd. and 21 April Fund, LP exchanged, with DUOS Technologies Group, Inc. ("Issuer"), an aggregate of 5,000 shares of Series F Convertible Preferred Stock ("Series F") of the Issuer for 5,000 shares of Series E Preferred Stock ("Series E") of the Issuer per the terms of an agreement between 21 April Fund, Ltd., 21 April Fund, LP and the Issuer. Each share of Series F was convertible into shares of Common Stock at a conversion price of $6.20. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. Per the Articles of Amendment of the Issuer's Articles of Incorporation defining the preferences, rights and limitations of each series of preferred stock ("Articles"), conversion of these shares is subject to a Beneficial Ownership Limitation (defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · kind: On 11/10/2023, 21 April Fund, Ltd. and 21 April Fund, LP exchanged, with DUOS Technologies Group, Inc. ("Issuer"), an aggregate of 5,000 shares of Series F Convertible Preferred Stock ("Series F") of the Issuer for 5,000 shares of Series E Preferred Stock ("Series E") of the Issuer per the terms of an agreement between 21 April Fund, Ltd., 21 April Fund, LP and the Issuer. Each share of Series F was convertible into shares of Common Stock at a conversion price of $6.20. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. Per the Articles of Amendment of the Issuer's Articles of Incorporation defining the preferences, rights and limitations of each series of preferred stock ("Articles"), conversion of these shares is subject to a Beneficial Ownership Limitation (defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.exercise_date: On 11/10/2023, 21 April Fund, Ltd. and 21 April Fund, LP exchanged, with DUOS Technologies Group, Inc. ("Issuer"), an aggregate of 5,000 shares of Series F Convertible Preferred Stock ("Series F") of the Issuer for 5,000 shares of Series E Preferred Stock ("Series E") of the Issuer per the terms of an agreement between 21 April Fund, Ltd., 21 April Fund, LP and the Issuer. Each share of Series F was convertible into shares of Common Stock at a conversion price of $6.20. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. Per the Articles of Amendment of the Issuer's Articles of Incorporation defining the preferences, rights and limitations of each series of preferred stock ("Articles"), conversion of these shares is subject to a Beneficial Ownership Limitation (defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.expiration_date: On 11/10/2023, 21 April Fund, Ltd. and 21 April Fund, LP exchanged, with DUOS Technologies Group, Inc. ("Issuer"), an aggregate of 5,000 shares of Series F Convertible Preferred Stock ("Series F") of the Issuer for 5,000 shares of Series E Preferred Stock ("Series E") of the Issuer per the terms of an agreement between 21 April Fund, Ltd., 21 April Fund, LP and the Issuer. Each share of Series F was convertible into shares of Common Stock at a conversion price of $6.20. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. Per the Articles of Amendment of the Issuer's Articles of Incorporation defining the preferences, rights and limitations of each series of preferred stock ("Articles"), conversion of these shares is subject to a Beneficial Ownership Limitation (defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000043 · primary_doc.xml · derivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 806,452 shares

Expires not disclosed

F1 · derivative.exercise_price: On 11/10/2023, 21 April Fund, Ltd. and 21 April Fund, LP exchanged, with DUOS Technologies Group, Inc. ("Issuer"), an aggregate of 5,000 shares of Series F Convertible Preferred Stock ("Series F") of the Issuer for 5,000 shares of Series E Preferred Stock ("Series E") of the Issuer per the terms of an agreement between 21 April Fund, Ltd., 21 April Fund, LP and the Issuer. Each share of Series F was convertible into shares of Common Stock at a conversion price of $6.20. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. Per the Articles of Amendment of the Issuer's Articles of Incorporation defining the preferences, rights and limitations of each series of preferred stock ("Articles"), conversion of these shares is subject to a Beneficial Ownership Limitation (defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · kind: On 11/10/2023, 21 April Fund, Ltd. and 21 April Fund, LP exchanged, with DUOS Technologies Group, Inc. ("Issuer"), an aggregate of 5,000 shares of Series F Convertible Preferred Stock ("Series F") of the Issuer for 5,000 shares of Series E Preferred Stock ("Series E") of the Issuer per the terms of an agreement between 21 April Fund, Ltd., 21 April Fund, LP and the Issuer. Each share of Series F was convertible into shares of Common Stock at a conversion price of $6.20. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. Per the Articles of Amendment of the Issuer's Articles of Incorporation defining the preferences, rights and limitations of each series of preferred stock ("Articles"), conversion of these shares is subject to a Beneficial Ownership Limitation (defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.exercise_date: On 11/10/2023, 21 April Fund, Ltd. and 21 April Fund, LP exchanged, with DUOS Technologies Group, Inc. ("Issuer"), an aggregate of 5,000 shares of Series F Convertible Preferred Stock ("Series F") of the Issuer for 5,000 shares of Series E Preferred Stock ("Series E") of the Issuer per the terms of an agreement between 21 April Fund, Ltd., 21 April Fund, LP and the Issuer. Each share of Series F was convertible into shares of Common Stock at a conversion price of $6.20. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. Per the Articles of Amendment of the Issuer's Articles of Incorporation defining the preferences, rights and limitations of each series of preferred stock ("Articles"), conversion of these shares is subject to a Beneficial Ownership Limitation (defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.expiration_date: On 11/10/2023, 21 April Fund, Ltd. and 21 April Fund, LP exchanged, with DUOS Technologies Group, Inc. ("Issuer"), an aggregate of 5,000 shares of Series F Convertible Preferred Stock ("Series F") of the Issuer for 5,000 shares of Series E Preferred Stock ("Series E") of the Issuer per the terms of an agreement between 21 April Fund, Ltd., 21 April Fund, LP and the Issuer. Each share of Series F was convertible into shares of Common Stock at a conversion price of $6.20. Each share of Series E is convertible into shares of Common Stock at a conversion price of $3.00. Per the Articles of Amendment of the Issuer's Articles of Incorporation defining the preferences, rights and limitations of each series of preferred stock ("Articles"), conversion of these shares is subject to a Beneficial Ownership Limitation (defined therein) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000036 · primary_doc.xml · derivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 5,000

Underlying: Common Stock · 806,452 shares

Expires not disclosed

F1 · derivative.exercise_price: On August 1, 2023, 21 April Fund, Ltd., 21 April Fund, LP and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 5,000 shares of Series F Convertible Preferred Stock at a per share price of $1,000. Each share of Series F Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $6.20. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.exercise_date: On August 1, 2023, 21 April Fund, Ltd., 21 April Fund, LP and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 5,000 shares of Series F Convertible Preferred Stock at a per share price of $1,000. Each share of Series F Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $6.20. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.expiration_date: On August 1, 2023, 21 April Fund, Ltd., 21 April Fund, LP and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 5,000 shares of Series F Convertible Preferred Stock at a per share price of $1,000. Each share of Series F Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $6.20. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000032 · primary_doc.xml · derivative · entry 2

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 275,000 shares

Expires not disclosed

F1 · security: On May 5, 2020, 21 April Fund, Ltd., 21 April Fund, LP and Identiv, Inc. (the "Issuer") entered into an agreement under which 21 April Fund, Ltd. purchased from the Issuer a secured subordinated promissory note in a principal amount of $2,800,000 and a warrant to purchase 192,500 shares of the Issuer's common stock at a per share exercise price of $3.50, and 21 April Fund LP purchased from the Issuer a secured subordinated promissory note in a principal amount of $1,200,000 and a warrant to purchase 82,500 shares of the Issuer's common stock at a per share exercise price of $3.50.

F1 · price: On May 5, 2020, 21 April Fund, Ltd., 21 April Fund, LP and Identiv, Inc. (the "Issuer") entered into an agreement under which 21 April Fund, Ltd. purchased from the Issuer a secured subordinated promissory note in a principal amount of $2,800,000 and a warrant to purchase 192,500 shares of the Issuer's common stock at a per share exercise price of $3.50, and 21 April Fund LP purchased from the Issuer a secured subordinated promissory note in a principal amount of $1,200,000 and a warrant to purchase 82,500 shares of the Issuer's common stock at a per share exercise price of $3.50.

F1 · derivative.exercise_date: On May 5, 2020, 21 April Fund, Ltd., 21 April Fund, LP and Identiv, Inc. (the "Issuer") entered into an agreement under which 21 April Fund, Ltd. purchased from the Issuer a secured subordinated promissory note in a principal amount of $2,800,000 and a warrant to purchase 192,500 shares of the Issuer's common stock at a per share exercise price of $3.50, and 21 April Fund LP purchased from the Issuer a secured subordinated promissory note in a principal amount of $1,200,000 and a warrant to purchase 82,500 shares of the Issuer's common stock at a per share exercise price of $3.50.

F1 · derivative.expiration_date: On May 5, 2020, 21 April Fund, Ltd., 21 April Fund, LP and Identiv, Inc. (the "Issuer") entered into an agreement under which 21 April Fund, Ltd. purchased from the Issuer a secured subordinated promissory note in a principal amount of $2,800,000 and a warrant to purchase 192,500 shares of the Issuer's common stock at a per share exercise price of $3.50, and 21 April Fund LP purchased from the Issuer a secured subordinated promissory note in a principal amount of $1,200,000 and a warrant to purchase 82,500 shares of the Issuer's common stock at a per share exercise price of $3.50.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000032 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 2,884,495

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000030 · primary_doc.xml · derivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 4,000

Underlying: Common Stock · 1,333,334 shares

Expires not disclosed

F1 · derivative.exercise_price: On March 23, 2023, 21 April Fund, Ltd., 21 April Fund, LP, and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 4000 shares of Series E Convertible Preferred Stock at a per share price of $1,000. Each share of Series E Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.exercise_date: On March 23, 2023, 21 April Fund, Ltd., 21 April Fund, LP, and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 4000 shares of Series E Convertible Preferred Stock at a per share price of $1,000. Each share of Series E Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.expiration_date: On March 23, 2023, 21 April Fund, Ltd., 21 April Fund, LP, and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 4000 shares of Series E Convertible Preferred Stock at a per share price of $1,000. Each share of Series E Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000029 · primary_doc.xml · derivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 4,000

Underlying: Common Stock · 1,333,334 shares

Expires not disclosed

F1 · derivative.exercise_price: On March 23, 2023, 21 April Fund, Ltd., 21 April Fund, LP, and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 4000 shares of Series E Convertible Preferred Stock at a per share price of $1,000. Each share of Series E Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.exercise_date: On March 23, 2023, 21 April Fund, Ltd., 21 April Fund, LP, and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 4000 shares of Series E Convertible Preferred Stock at a per share price of $1,000. Each share of Series E Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.expiration_date: On March 23, 2023, 21 April Fund, Ltd., 21 April Fund, LP, and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 4000 shares of Series E Convertible Preferred Stock at a per share price of $1,000. Each share of Series E Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.99% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000028 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 5,039,023

F1 · price: The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions. On 03/23/2023, prices ranged from $6.90 to $6.935, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000026 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 5,001,223

F1 · price: This form is being filed in connection with an in kind transfer of shares to underlying beneficiaries of a client account for no consideration.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000027 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,637,965

F1 · price: This form is being filed in connection with an in kind transfer of shares to underlying beneficiaries of a client account for no consideration.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000025 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,609,495

F1 · price: This form is being filed in connection with an in kind transfer of shares to underlying beneficiaries of a client account for no consideration.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000001 · primary_doc.xml · nonDerivative · entry 3

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 5,020,973

F1 · price: The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions. On 01/04/2023, prices ranged from $6.28 to $6.50, inclusive. On 01/05/2023, prices ranged from $6.49 to $6.50, inclusive. On 01/06/2023, prices ranged from $6.39 to $6.65, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000001 · primary_doc.xml · nonDerivative · entry 2

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,974,042

F1 · price: The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions. On 01/04/2023, prices ranged from $6.28 to $6.50, inclusive. On 01/05/2023, prices ranged from $6.49 to $6.50, inclusive. On 01/06/2023, prices ranged from $6.39 to $6.65, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-23-000001 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,971,405

F1 · price: The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions. On 01/04/2023, prices ranged from $6.28 to $6.50, inclusive. On 01/05/2023, prices ranged from $6.49 to $6.50, inclusive. On 01/06/2023, prices ranged from $6.39 to $6.65, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-22-000071 · primary_doc.xml · nonDerivative · entry 3

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,988,960

F1 · price: The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions. On 12/07/2022, prices ranged from $4.365 to $4.40 per share, inclusive. On 12/08/2022, prices ranged from $4.30 to $4.39, inclusive. On 12/09/2022, prices ranged from $4.31 to $4.35 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

F2 · ownership.direct: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-22-000072 · primary_doc.xml · nonDerivative · entry 3

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,989,450

F1 · price: The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions. On 12/07/2022, prices ranged from $4.365 to $4.40 per share, inclusive. On 12/08/2022, prices ranged from $4.30 to $4.39, inclusive. On 12/09/2022, prices ranged from $4.31 to $4.35 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-22-000071 · primary_doc.xml · nonDerivative · entry 2

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,975,017

F1 · price: The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions. On 12/07/2022, prices ranged from $4.365 to $4.40 per share, inclusive. On 12/08/2022, prices ranged from $4.30 to $4.39, inclusive. On 12/09/2022, prices ranged from $4.31 to $4.35 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

F2 · ownership.direct: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-22-000072 · primary_doc.xml · nonDerivative · entry 2

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,975,507

F1 · price: The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions. On 12/07/2022, prices ranged from $4.365 to $4.40 per share, inclusive. On 12/08/2022, prices ranged from $4.30 to $4.39, inclusive. On 12/09/2022, prices ranged from $4.31 to $4.35 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-22-000071 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,952,617

F1 · price: The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions. On 12/07/2022, prices ranged from $4.365 to $4.40 per share, inclusive. On 12/08/2022, prices ranged from $4.30 to $4.39, inclusive. On 12/09/2022, prices ranged from $4.31 to $4.35 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

F2 · ownership.direct: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-22-000072 · primary_doc.xml · nonDerivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,953,067

F1 · price: The reported price in Column 4 is a weighted average price. These shares were bought in multiple transactions. On 12/07/2022, prices ranged from $4.365 to $4.40 per share, inclusive. On 12/08/2022, prices ranged from $4.30 to $4.39, inclusive. On 12/09/2022, prices ranged from $4.31 to $4.35 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

SEC source: 0001781002-22-000067 · primary_doc.xml · derivative · entry 1

Bleichroeder LP · CIK 0001781002 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 999

Underlying: Common Stock · 333,000 shares

Expires not disclosed

F1 · derivative.exercise_price: On September 30, 2022, 21 April Fund, Ltd., 21 April Fund, LP, certain other purchasers and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 999 shares of Series D Convertible Preferred Stock at a per share price of $1,000. Each share of Series D Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.9% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.exercise_date: On September 30, 2022, 21 April Fund, Ltd., 21 April Fund, LP, certain other purchasers and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 999 shares of Series D Convertible Preferred Stock at a per share price of $1,000. Each share of Series D Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.9% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F1 · derivative.expiration_date: On September 30, 2022, 21 April Fund, Ltd., 21 April Fund, LP, certain other purchasers and DUOS Technologies Group, Inc. (the "Issuer") entered into an agreement (the "Securities Purchase Agreement") under which 21 April Fund, Ltd. and 21 April Fund, LP purchased from the Issuer 999 shares of Series D Convertible Preferred Stock at a per share price of $1,000. Each share of Series D Convertible Preferred Stock is convertible into shares of Common Stock at a conversion price of $3.00. In accordance with the Certificate of Designation, conversion of these shares is subject to a Beneficial Ownership Limitation (as defined in the agreement) of 19.9% of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion.

F2 · ownership.nature: This form is filed by Bleichroeder LP. Bleichroeder LP serves as registered investment adviser to 21 April Fund, Ltd., 21 April Fund, LP and other managed accounts. Bleichroeder LP disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that Bleichroeder LP is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.