Mill Road Capital III, L.P. - 12 Mar 2026 Form 4 Insider Report for ALTA EQUIPMENT GROUP INC. (ALTG)

Role: 10%+ Owner
Signature: /s/ Thomas E. Lynch, Management Committee Director of sole general partner on behalf of Mill Road Capital III, L.P.
Issuer symbol: ALTG
Transactions as of: 12 Mar 2026
Net transactions value: +$377,251
Form type: 4
Filing time: 16 Mar 2026, 12:01:48 UTC
Previous filing: 13 Mar 2026
SEC: View on sec.gov

Reporting Owners (3)

Name	Relationship	Address	Signature	Signature date	CIK
Mill Road Capital III, L.P.	10%+ Owner	328 PEMBERWICK ROAD, GREENWICH	/s/ Thomas E. Lynch, Management Committee Director of sole general partner on behalf of Mill Road Capital III, L.P.	16 Mar 2026	0001767199
Mill Road Capital III GP LLC	10%+ Owner	328 PEMBERWICK ROAD, GREENWICH	/s/ Thomas E. Lynch, Management Committee Director on behalf of Mill Road Capital III GP LLC	16 Mar 2026	0001767178
LYNCH THOMAS E	10%+ Owner	328 PEMBERWICK ROAD, GREENWICH	/s/ Thomas E. Lynch	16 Mar 2026	0001244666

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALTG	Common Stock, $0.0001 par value	Purchase	$354,666	+58,162	+1.3%	$6.10	4,369,410	12 Mar 2026	Direct	F1
transaction	ALTG	Common Stock, $0.0001 par value	Purchase	$22,585	+3,798	+0.09%	$5.95	4,373,208	13 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The shares reported are directly held by Mill Road Capital III, L.P. (the "Fund"). Mill Road Capital III GP LLC (the "GP") is the sole general partner of the Fund and has sole authority to vote (or direct the vote of), and to dispose (or direct the disposal) of, these shares on behalf of the Fund. Mr. Lynch is a management committee director of the GP and has shared authority to vote (or direct the vote of), and to dispose (or direct the disposal) of, these shares on behalf of the GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any.

Content

The shares reported are directly held by Mill Road Capital III, L.P. (the "Fund"). Mill Road Capital III GP LLC (the "GP") is the sole general partner of the Fund and has sole authority to vote (or direct the vote of), and to dispose (or direct the disposal) of, these shares on behalf of the Fund. Mr. Lynch is a management committee director of the GP and has shared authority to vote (or direct the vote of), and to dispose (or direct the disposal) of, these shares on behalf of the GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any.