[Form 4] Limbach Holdings, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Jay A. Sharp, Regional President and officer of Limbach Holdings, Inc. (LMB), reported two transactions in the company’s common stock. On 09/15/2025 he sold 2,000 shares at $106.09 per share under a 10b5-1 trading plan adopted March 14, 2025, leaving him with 67,877 shares.

On 09/16/2025 he made a bona fide gift of 488 shares for no consideration, reducing his holdings to 67,389 shares. The Form 4 is signed by an attorney-in-fact on 09/17/2025. No derivative transactions or other conditions are reported in this filing.

Positive

• Clear disclosure of a 10b5-1 plan adoption date (March 14, 2025)
• Form 4 reports both sale and gift with post-transaction share counts specified

Negative

• None.

Insights

Financial Analyst

TL;DR: Insider sale under a pre-established 10b5-1 plan and a small gift, both routine and non-operational.

The 2,000-share sale at $106.09 under a 10b5-1 plan indicates a pre-scheduled disposition rather than an opportunistic trade; the plan adoption date of March 14, 2025 is disclosed. The subsequent 488-share transfer is documented as a bona fide gift with no consideration. The remaining direct holdings of 67,389 shares are explicitly stated. From a financial-materiality perspective, these transactions are modest relative to typical company float and represent routine insider liquidity and personal transfer, not a corporate financing or strategic change.

Corporate Governance Expert

TL;DR: Proper reporting of an officer’s transactions, including 10b5-1 plan use and a gift, consistent with disclosure norms.

The Form 4 correctly identifies the reporting person’s role as Regional President, indicates the use of a 10b5-1 trading plan, and discloses a gift transaction. Signature by an attorney-in-fact is shown. There are no indications of derivative activity or other compensatory transactions in this filing. The disclosure appears complete for the transactions reported and follows Section 16 filing requirements.

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).

1. Name and Address of Reporting Person^*

Sharp Jay

(Last) (First) (Middle)

797 COMMONWEALTH DRIVE

(Street)

WARRENDALE PA 15086

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Limbach Holdings, Inc. [ LMB ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025

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

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

X	Form filed by One Reporting Person
	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	09/15/2025		S		2,000(1)	D	$106.09	67,877	D
Common Stock	09/16/2025		G		488(2)	D	$0	67,389	D

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

Explanation of Responses:

1. This transaction is part of a 10b5-1 plan adopted on March 14, 2025 by the reporting person.

2. Represents a bona fide gift of shares of Limbach Holdings, Inc's. common stock for which no payment or consideration was received by the reporting person.

Remarks:

	/s/ Jeremiah G. Garvey, Attorney-in-Fact for Jay A. Sharp	09/17/2025
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Jay A. Sharp report on Form 4 for LMB?

He reported a sale of 2,000 shares on 09/15/2025 at $106.09 under a 10b5-1 plan and a gift of 488 shares on 09/16/2025.

How many LMB shares does Jay A. Sharp own after these transactions?

The filing shows he owned 67,877 shares after the 09/15/2025 sale and 67,389 shares after the 09/16/2025 gift.

Was the sale part of a pre-arranged trade plan?

Yes. The sale of 2,000 shares on 09/15/2025 is stated to be part of a 10b5-1 plan adopted on March 14, 2025.

Did Jay A. Sharp receive payment for the 488 shares transferred?

No. The filing states the 488-share transfer on 09/16/2025 represents a bona fide gift for which no payment was received.

Who signed the Form 4 for these transactions?

The Form 4 is signed by Jeremiah G. Garvey, Attorney-in-Fact for Jay A. Sharp with a signature date of 09/17/2025.