Mill Road Capital buys ALTA Equipment Group shares

ALTA Equipment Group Inc. insider filings show that investment fund Mill Road Capital III, L.P. made open-market purchases of the company’s common stock.

Rhea-AI Filing Summary

ALTA Equipment Group Inc. insider filings show that investment fund Mill Road Capital III, L.P. made open-market purchases of the company’s common stock. The fund bought 58,162 shares at $6.0979 per share on March 12, 2026 and 3,798 shares at $5.9465 per share on March 13, 2026, for a total of 61,960 shares acquired.

After these transactions, the fund directly holds 4,373,208 common shares. Mill Road Capital III GP LLC, as general partner of the fund, has sole voting and disposal authority over these shares, and Thomas E. Lynch shares that authority through his role at the GP. Each reporting person disclaims beneficial ownership beyond any pecuniary interest.

Insider Trade Summary

Net Buyer: 61,960 shares

Net Buy 2 txns

Insider Mill Road Capital III, L.P., Mill Road Capital III GP LLC, LYNCH THOMAS E

Role 10% Owner | 10% Owner | 10% Owner

Bought 61,960 shs ($377K)

Type	Security	Shares	Price	Value
Purchase	Common Stock, $0.0001 par value	3,798	$5.9465	$23K
Purchase	Common Stock, $0.0001 par value	58,162	$6.0979	$355K

Holdings After Transaction: Common Stock, $0.0001 par value — 4,373,208 shares (Direct)

Footnotes (1)

1. 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.

FAQ

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What insider transactions did Mill Road Capital report for ALTA Equipment Group (ALTG)?

Mill Road Capital III, L.P. reported buying 61,960 ALTA Equipment Group shares in the open market. It purchased 58,162 shares at $6.0979 and 3,798 shares at $5.9465, increasing its direct common stock holdings to 4,373,208 shares.

On what dates did Mill Road Capital buy ALTG stock and at what prices?

Mill Road Capital III, L.P. bought ALTG shares on March 12 and 13, 2026. It acquired 58,162 shares at $6.0979 per share on March 12, 2026 and 3,798 shares at $5.9465 per share on March 13, 2026.

How many ALTG shares does Mill Road Capital hold after these insider purchases?

After the reported purchases, Mill Road Capital III, L.P. directly holds 4,373,208 ALTG common shares. This total reflects the addition of 61,960 shares bought in open-market transactions on March 12 and 13, 2026 at prices around six dollars per share.

Who has voting and disposal authority over Mill Road Capital’s ALTG shares?

Mill Road Capital III GP LLC has sole voting and disposal authority over the fund’s ALTG shares. As the fund’s general partner, it directs voting and sales decisions, while Thomas E. Lynch shares this authority through his role on the GP’s management committee.

Does Thomas E. Lynch personally own the ALTG shares reported in this Form 4?

The ALTG shares are directly held by Mill Road Capital III, L.P., not personally by Thomas E. Lynch. The filing states each reporting person disclaims beneficial ownership except to the extent of any pecuniary interest in the fund’s position.

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Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 03/16/2026 - 12:01 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mill Road Capital III, L.P.

(Last) (First) (Middle)

328 PEMBERWICK ROAD

(Street)

GREENWICH CT 06831

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ALTA EQUIPMENT GROUP INC. [ ALTG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/12/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $0.0001 par value	03/12/2026		P		58,162	A	$6.0979	4,369,410	D(1)
Common Stock, $0.0001 par value	03/13/2026		P		3,798	A	$5.9465	4,373,208	D(1)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person^*

Mill Road Capital III, L.P.

(Last) (First) (Middle)

328 PEMBERWICK ROAD

(Street)

GREENWICH CT 06831

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

Mill Road Capital III GP LLC

(Last) (First) (Middle)

328 PEMBERWICK ROAD

(Street)

GREENWICH CT 06831

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

LYNCH THOMAS E

(Last) (First) (Middle)

328 PEMBERWICK ROAD

(Street)

GREENWICH CT 06831

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

Explanation of Responses:

1. 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.

	/s/ Thomas E. Lynch, Management Committee Director of sole general partner on behalf of Mill Road Capital III, L.P.	03/16/2026
	/s/ Thomas E. Lynch, Management Committee Director on behalf of Mill Road Capital III GP LLC	03/16/2026
	/s/ Thomas E. Lynch	03/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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