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5%+ stakes · Schedule 13D and 13G

Alta Equipment Group Inc.: 5%+ holders

Who has reported owning 5% or more of Alta Equipment Group Inc., from Schedule 13D and 13G filings: each holder's stake as filed, the timeline, and the purpose each 13D states, quoted.

At 5% or more2
Filings5
Latest filing2026-07-14

Alta Equipment Group Inc. has 5 Schedule 13D or 13G filings on record since 2025-07-16. 2 holders' latest filing reports 5% or more of common stock, $0.0001 par value per share. Each figure below is the holder's own, as filed, with the filing linked.

Holders

HolderPercentSharesLatestEvent date
Mill Road Capital III, L.P.13.3%4,293,208SCHEDULE 13D/A, 2026-01-222026-01-21
CastleKnight Master Fund LP5.5%1,797,525SCHEDULE 13G, 2026-07-102026-07-02
BlackRock, Inc.4.9%1,640,566SCHEDULE 13G/A, 2025-07-162025-06-30
Voss Capital, LP3.5%1,129,445SCHEDULE 13G/A, 2026-07-142026-06-30

Purpose of Transaction (Item 4)

Mill Road Capital III, L.P.

Item 4 of the Schedule 13D shall hereby be amended by inserting the following new paragraphs after the second paragraph: On January 21, 2026, (a) the Issuer and Deven Petito entered into a Board Observer Agreement (the "Board Observer Agreement") and (b) the Issuer and the Fund entered into a Cooperation Agreement (the "Cooperation Agreement"). Pursuant to the Board Observer Agreement, Mr. Petito is entitled to attend meetings of the board of directors of the Issuer (the "Board") and any committees thereof in a non-voting observer capacity, subject to the terms and conditions set forth therein and in the Cooperation Agreement. The Board Observer Agreement provides, among other things, that Mr. Petito will be entitled to receive notices of meetings of the Board and its committees and copies of relevant materials at the same time as furnished to members of the Board or such committee, subject to exceptions to preserve attorney-client privilege or address conflicts of interest. It also provides for certain confidentiality obligations. The Board Observer Agreement will terminate upon the earliest to occur of (i) the expiration or termination of the Cooperation Agreement in accordance with its terms, (ii) the delivery by Mr. Petito of written notice to the Issuer of his resignation, or the death or permanent disability of Mr. Petito, (iii) the termination of Mr. Petito's status as Board observer pursuant to the terms of the Cooperation Agreement or (iv) the delivery by the …The first part of Item 4 of the SCHEDULE 13D/A filed 2026-01-22; the filing has the rest

Timeline

FiledHolderPercentFiling
2025-07-16BlackRock, Inc.4.9%SCHEDULE 13G/A
2026-01-22Mill Road Capital III, L.P.13.3%SCHEDULE 13D/A
2026-04-22Voss Capital, LP7.8%SCHEDULE 13G/A
2026-07-10CastleKnight Master Fund LP5.5%SCHEDULE 13G
2026-07-14Voss Capital, LP3.5%SCHEDULE 13G/A

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Where this comes from

Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.

Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.

Cite this page

Permanent URL: https://mentionfox.com/stakes/alta-equipment-group
Last updated 2026-09-27
Primary record: SEC filing 1 · SEC filing 2 · SEC filing 3 · SEC filing 4
Alta Equipment Group Inc. 5%+ holders: 2 at 5% or more, largest Mill Road Capital III, L.P. 13.3%. MentionFox, 2026-09-27. https://mentionfox.com/stakes/alta-equipment-group