ALTG

SEC source: 0001213900-22-036936 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,967,565

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.83 to $9.00, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-035674 · ownership.xml · nonDerivative · entry 3

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,917,565

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-035674 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,914,338

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-035674 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,907,564

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.46 to $9.50, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0000899243-22-022091 · doc4.xml · nonDerivative · entry 1

STUDDERT ANDREW P · CIK 0001053465 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,609

F1 · security: The reporting person was granted such time-based restricted stock units ("RSUs") for the annual director grant on the date of the 2022 annual shareholder meeting on June 9, 2022. Each RSU represents the right to receive one share of Common Stock. Subject to the director's election to defer the receipt of the RSUs to the director's termination of service as a director, the RSUs vest 1/12th each month and fully vest on the date of the annual meeting in the following year.

F1 · price: The reporting person was granted such time-based restricted stock units ("RSUs") for the annual director grant on the date of the 2022 annual shareholder meeting on June 9, 2022. Each RSU represents the right to receive one share of Common Stock. Subject to the director's election to defer the receipt of the RSUs to the director's termination of service as a director, the RSUs vest 1/12th each month and fully vest on the date of the annual meeting in the following year.

SEC source: 0000899243-22-022095 · doc4.xml · nonDerivative · entry 1

Savas Zachary E. · CIK 0001471478 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,897

F1 · security: The reporting person was granted such time-based restricted stock units ("RSUs") for the annual director grant on the date of the 2022 annual shareholder meeting on June 9, 2022. Each RSU represents the right to receive one share of Common Stock. Subject to the director's election to defer the receipt of the RSUs to the director's termination of service as a director, the RSUs vest 1/12th each month and fully vest on the date of the annual meeting in the following year.

F1 · price: The reporting person was granted such time-based restricted stock units ("RSUs") for the annual director grant on the date of the 2022 annual shareholder meeting on June 9, 2022. Each RSU represents the right to receive one share of Common Stock. Subject to the director's election to defer the receipt of the RSUs to the director's termination of service as a director, the RSUs vest 1/12th each month and fully vest on the date of the annual meeting in the following year.

SEC source: 0000899243-22-022090 · doc4.xml · nonDerivative · entry 1

White Katherine E · CIK 0001651356 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,657

F1 · security: The reporting person was granted such time-based restricted stock units ("RSUs") for the annual director grant on the date of the 2022 annual shareholder meeting on June 9, 2022. Each RSU represents the right to receive one share of Common Stock. Subject to the director's election to defer the receipt of the RSUs to the director's termination of service as a director, the RSUs vest 1/12th each month and fully vest on the date of the annual meeting in the following year.

F1 · price: The reporting person was granted such time-based restricted stock units ("RSUs") for the annual director grant on the date of the 2022 annual shareholder meeting on June 9, 2022. Each RSU represents the right to receive one share of Common Stock. Subject to the director's election to defer the receipt of the RSUs to the director's termination of service as a director, the RSUs vest 1/12th each month and fully vest on the date of the annual meeting in the following year.

SEC source: 0000899243-22-022093 · doc4.xml · nonDerivative · entry 1

Shribman Daniel · CIK 0001772389 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 382,642

F1 · security: The reporting person was granted such time-based restricted stock units ("RSUs") for the annual director grant on the date of the 2022 annual shareholder meeting on June 9, 2022. Each RSU represents the right to receive one share of Common Stock. Subject to the director's election to defer the receipt of the RSUs to the director's termination of service as a director, the RSUs vest 1/12th each month and fully vest on the date of the annual meeting in the following year.

F1 · price: The reporting person was granted such time-based restricted stock units ("RSUs") for the annual director grant on the date of the 2022 annual shareholder meeting on June 9, 2022. Each RSU represents the right to receive one share of Common Stock. Subject to the director's election to defer the receipt of the RSUs to the director's termination of service as a director, the RSUs vest 1/12th each month and fully vest on the date of the annual meeting in the following year.

SEC source: 0000899243-22-019874 · doc4.xml · nonDerivative · entry 1

STUDDERT ANDREW P · CIK 0001053465 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,283

SEC source: 0000899243-22-019098 · doc4.xml · nonDerivative · entry 2

Savas Zachary E. · CIK 0001471478 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,571

F1 · price: This transaction was executed in multiple trades and the price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected upon request to the SEC staff, Alta Equipment Group Inc., or a security holder of Alta Equipment Group Inc.

SEC source: 0001213900-22-028405 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,881,713

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $10.99 to $11.00, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-028405 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,867,657

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0000899243-22-019098 · doc4.xml · nonDerivative · entry 1

Savas Zachary E. · CIK 0001471478 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,571

SEC source: 0000899243-22-018223 · doc4.xml · nonDerivative · entry 1

Shribman Daniel · CIK 0001772389 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 371,761

F1 · price: This transaction was executed in multiple trades and the price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were affected upon request to the SEC staff, Alta Equipment Group Inc., or a security holder of Alta Equipment Group Inc.

SEC source: 0000899243-22-018217 · doc4.xml · nonDerivative · entry 1

Greenawalt Ryan · CIK 0001803431 · Director · CEO, Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,795,492

F1 · price: This transaction was executed in multiple trades and the price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were affected upon request to the SEC staff, Alta Equipment Group Inc., or a security holder of Alta Equipment Group Inc.

SEC source: 0001213900-22-025668 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.(

Disclosed balance after: 5,856,713

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-025668 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,820,872

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $10.50 to $11.00, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-022859 · ownership.xml · nonDerivative · entry 3

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,780,872

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-022859 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,730,366

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.20 to $11.30, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-022859 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,712,919

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-021734 · ownership.xml · nonDerivative · entry 3

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,710,953

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.345 to $11.40, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-021734 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,695,419

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.30 to $11.40, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-021734 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,676,919

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.40 to $11.50, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-021044 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,651,604

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.49 to $11.50, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0000899243-22-015793 · doc4.xml · nonDerivative · entry 4

Colucci Anthony · CIK 0001803739 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,642

F4 · shares: Represents shares of Commons Stock underlying PSUs granted to the reporting person. The reporting person was granted performance stock units ("PSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on March 28, 2022 following the achievement of 2021 performance targets and will vest annually over 2 years starting on February 14, 2023, subject to reporting person's continued employment with the Company.

SEC source: 0000899243-22-015793 · doc4.xml · nonDerivative · entry 3

Colucci Anthony · CIK 0001803739 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,717

F3 · shares: Represents shares of Common Stock underlying RSUs granted to the reporting person. The reporting person was granted time-based restricted stock units ("RSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on March 28, 2022. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2023, subject to reporting person's continued employment with the Company.

SEC source: 0000899243-22-015752 · doc4.xml · nonDerivative · entry 3

Greenawalt Ryan · CIK 0001803431 · Director · CEO, Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,787,253

F3 · shares: Represents shares of Commons Stock underlying PSUs granted to the reporting person. The reporting person was granted performance stock units ("PSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on March 28, 2022 following the achievement of 2021 performance targets and will vest annually over 2 years starting on February 14, 2023, subject to reporting person's continued employment with the Company.

SEC source: 0000899243-22-015752 · doc4.xml · nonDerivative · entry 2

Greenawalt Ryan · CIK 0001803431 · Director · CEO, Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,741,365

F2 · shares: Represents shares of Commons Stock underlying RSUs granted to the reporting person. The reporting person was granted time-based restricted stock units ("RSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on March 28, 2022. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2023, subject to reporting person's continued employment with the Company.

SEC source: 0000899243-23-009194 · doc4.xml · derivative · entry 2

Brubaker Craig · CIK 0001919311 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,918 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: The reporting person was granted performance stock units ("PSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan. Each PSU represents the right to receive one share of Common Stock.

F1 · derivative.exercise_price: The reporting person was granted performance stock units ("PSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan. Each PSU represents the right to receive one share of Common Stock.

F1 · price: The reporting person was granted performance stock units ("PSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan. Each PSU represents the right to receive one share of Common Stock.

F1 · derivative.exercise_date: The reporting person was granted performance stock units ("PSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan. Each PSU represents the right to receive one share of Common Stock.

F1 · derivative.expiration_date: The reporting person was granted performance stock units ("PSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan. Each PSU represents the right to receive one share of Common Stock.

SEC source: 0001213900-22-015560 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 624,596

F4 · ownership.direct: Represents shares held directly by Bryant R. Riley.

SEC source: 0001213900-22-015560 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,638,247

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-011322 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,470,441

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-011322 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,468,332

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $11.985 to $12.00, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-010586 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,463,332

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.00 to $12.50, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-009479 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,453,377

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-009479 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,445,877

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-008080 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,426,264

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.70 to $12.75, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares purchased at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0000899243-22-006939 · doc4.xml · nonDerivative · entry 1

Greenawalt Ryan · CIK 0001803431 · Director · CEO, Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,707,942

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: The reporting person was granted time-based restricted stock units ("RSUs"), on April 1, 2021, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan, which represent the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company.

F1 · shares: The reporting person was granted time-based restricted stock units ("RSUs"), on April 1, 2021, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan, which represent the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company.

F1 · price: The reporting person was granted time-based restricted stock units ("RSUs"), on April 1, 2021, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan, which represent the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company.

SEC source: 0000899243-22-006938 · doc4.xml · nonDerivative · entry 2

Colucci Anthony · CIK 0001803739 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,774

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: The reporting person was granted time-based RSUs, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on April 1, 2021. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company.

F2 · shares: The reporting person was granted time-based RSUs, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on April 1, 2021. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company.

F2 · price: The reporting person was granted time-based RSUs, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on April 1, 2021. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company.

SEC source: 0000899243-22-006938 · doc4.xml · nonDerivative · entry 1

Colucci Anthony · CIK 0001803739 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,500

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: The reporting person was granted time-based restricted stock units ("RSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on August 1, 2020. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 4 years starting on February 14, 2021, subject to reporting person's continued employment with the Company.

F1 · shares: The reporting person was granted time-based restricted stock units ("RSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on August 1, 2020. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 4 years starting on February 14, 2021, subject to reporting person's continued employment with the Company.

F1 · price: The reporting person was granted time-based restricted stock units ("RSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on August 1, 2020. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 4 years starting on February 14, 2021, subject to reporting person's continued employment with the Company.

SEC source: 0000899243-22-015793 · doc4.xml · derivative · entry 8

Colucci Anthony · CIK 0001803739 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,049

Underlying: Common Stock · 16,250 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The reporting person was previously granted time-based restricted stock units ("RSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on August 1, 2020. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 4 years starting on February 14, 2021, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F1 · price: The reporting person was previously granted time-based restricted stock units ("RSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on August 1, 2020. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 4 years starting on February 14, 2021, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F1 · derivative.exercise_date: The reporting person was previously granted time-based restricted stock units ("RSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on August 1, 2020. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 4 years starting on February 14, 2021, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F1 · derivative.expiration_date: The reporting person was previously granted time-based restricted stock units ("RSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on August 1, 2020. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 4 years starting on February 14, 2021, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

SEC source: 0000899243-22-015793 · doc4.xml · derivative · entry 6

Colucci Anthony · CIK 0001803739 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,299

Underlying: Common Stock · 4,274 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: The reporting person was previously granted time-based RSUs, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on April 1, 2021. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F2 · derivative.exercise_price: The reporting person was previously granted time-based RSUs, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on April 1, 2021. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F2 · price: The reporting person was previously granted time-based RSUs, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on April 1, 2021. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F2 · derivative.exercise_date: The reporting person was previously granted time-based RSUs, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on April 1, 2021. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F2 · derivative.expiration_date: The reporting person was previously granted time-based RSUs, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on April 1, 2021. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

SEC source: 0000899243-22-015793 · doc4.xml · nonDerivative · entry 2

Colucci Anthony · CIK 0001803739 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,774

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: The reporting person was previously granted time-based RSUs, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on April 1, 2021. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F2 · price: The reporting person was previously granted time-based RSUs, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on April 1, 2021. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

SEC source: 0000899243-22-015793 · doc4.xml · nonDerivative · entry 1

Colucci Anthony · CIK 0001803739 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,500

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The reporting person was previously granted time-based restricted stock units ("RSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on August 1, 2020. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 4 years starting on February 14, 2021, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F1 · price: The reporting person was previously granted time-based restricted stock units ("RSUs") under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan on August 1, 2020. Each RSU represents the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 4 years starting on February 14, 2021, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

SEC source: 0000899243-22-015752 · doc4.xml · derivative · entry 5

Greenawalt Ryan · CIK 0001803431 · Director · CEO, Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,884

Underlying: Common Stock · 10,942 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: The reporting person was granted time-based restricted stock units ("RSUs"), on April 1, 2021, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan, which represent the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F1 · derivative.exercise_price: The reporting person was granted time-based restricted stock units ("RSUs"), on April 1, 2021, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan, which represent the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F1 · price: The reporting person was granted time-based restricted stock units ("RSUs"), on April 1, 2021, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan, which represent the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F1 · derivative.exercise_date: The reporting person was granted time-based restricted stock units ("RSUs"), on April 1, 2021, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan, which represent the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F1 · derivative.expiration_date: The reporting person was granted time-based restricted stock units ("RSUs"), on April 1, 2021, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan, which represent the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

SEC source: 0000899243-22-015752 · doc4.xml · nonDerivative · entry 1

Greenawalt Ryan · CIK 0001803431 · Director · CEO, Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,707,942

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: The reporting person was granted time-based restricted stock units ("RSUs"), on April 1, 2021, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan, which represent the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

F1 · shares: The reporting person was granted time-based restricted stock units ("RSUs"), on April 1, 2021, under the Alta Equipment Group Inc. 2020 Omnibus Incentive Plan, which represent the right to receive one share of Common Stock for each RSU. The RSUs vest annually over 3 years starting on February 14, 2022, subject to reporting person's continued employment with the Company. The disclosure in Table II is an amendment to the Form 4 filed February 17, 2022.

SEC source: 0001213900-22-005850 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,411,383

F5 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.7496 to $12.90, inclusive. The Filing Persons reporting person undertakes to provide to the Commission, upon request, full information regarding the number of shares sold at each separate price.

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-004532 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,262,427

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-003760 · ownership.xml · nonDerivative · entry 2

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,247,903

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.

SEC source: 0001213900-22-003760 · ownership.xml · nonDerivative · entry 1

B. Riley Financial, Inc. · CIK 0001464790 · 10% owner

B. Riley Securities, Inc. · CIK 0001505748 · 10% owner

RILEY BRYANT R · CIK 0001207269 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By B. Riley Securities, Inc.

Disclosed balance after: 5,247,776

F1 · ownership.nature: This Form 4 is being filed jointly by B. Riley Financial, Inc., a Delaware corporation ("BRF"), B. Riley Securities, Inc., a Delaware corporation ("BRS"), and Bryant R. Riley.

F2 · ownership.nature: BRF is the parent company of BRS. As a result, BRF may be deemed to indirectly beneficially own the shares held by BRS.

F3 · ownership.nature: Bryant R. Riley is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF. As a result, Bryant R. Riley may be deemed to indirectly beneficially own the shares of Common Stock directly held by BRS. Each of BRF, BRS, and Bryant R. Riley disclaims beneficial ownership of the outstanding shares of Common Stock reported herein, except to the extent of its/his respective pecuniary interest therein.