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

Reporting relationship: 10%+ Owner
Issuer ticker: ALTG
Reported as of: 12 Mar 2026
Net transaction value: +$377,251
SEC form: 4
Accepted by SEC: 16 Mar 2026, 12:01:48 UTC
Prior SEC filing: 13 Mar 2026
Next SEC filing: 19 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Thomas E. Lynch, Management Committee Director of sole general partner on behalf of Mill Road Capital III, L.P.

Key filing fact

Mill Road Capital III, L.P. filed Form 4 for ALTA EQUIPMENT GROUP INC. (ALTG) on 16 Mar 2026.

Key facts

This page summarizes Mill Road Capital III, L.P.'s Form 4 filing for ALTA EQUIPMENT GROUP INC. (ALTG).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 16 Mar 2026, 12:01.

Change

Previous filing in this sequence was filed on 13 Mar 2026.
Current net transaction value: +$377,251.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (3)

CIK 0001767199 Primary reporting owner

Mill Road Capital III, L.P.

Relationship: 10%+ Owner
Address: 328 PEMBERWICK ROAD, GREENWICH
Signature: /s/ Thomas E. Lynch, Management Committee Director of sole general partner on behalf of Mill Road Capital III, L.P.
Signature date: 16 Mar 2026

CIK 0001767178

Mill Road Capital III GP LLC

Relationship: 10%+ Owner
Address: 328 PEMBERWICK ROAD, GREENWICH
Signature: /s/ Thomas E. Lynch, Management Committee Director on behalf of Mill Road Capital III GP LLC
Signature date: 16 Mar 2026

CIK 0001244666

LYNCH THOMAS E

Relationship: 10%+ Owner
Address: 328 PEMBERWICK ROAD, GREENWICH
Signature: /s/ Thomas E. Lynch
Signature date: 16 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ALTG transaction

Common Stock, $0.0001 par value

Purchase

Transaction value: $354,666
Shares: +58,162
Change %: +1.3%
Price: $6.10
Shares after: 4,369,410
Date: 12 Mar 2026
Ownership: Direct
Footnotes: F1

ALTG transaction

Common Stock, $0.0001 par value

Purchase

Transaction value: $22,585
Shares: +3,798
Change %: +0.09%
Price: $5.95
Shares after: 4,373,208
Date: 13 Mar 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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.