Nicholas Angerosa - 02 Mar 2026 Form 4 Insider Report for Limbach Holdings, Inc. (LMB)

Role: Executive Vice President
Signature: /s/ Jeremiah G. Garvey, Attorney-in-Fact for Nicholas S. Angerosa
Issuer symbol: LMB
Transactions as of: 02 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 04 Mar 2026, 17:14:10 UTC
Previous filing: 05 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Angerosa Nicholas	Executive Vice President	797 COMMONWEALTH DRIVE, WARRENDALE	/s/ Jeremiah G. Garvey, Attorney-in-Fact for Nicholas S. Angerosa	04 Mar 2026	0001965575

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	LMB	Common Stock	Award		+22,559	+42%	$0.000000^*	76,517	02 Mar 2026	Direct	F1
transaction	LMB	Common Stock	Tax liability		-8,878	-12%	$89.17^*	67,639	02 Mar 2026	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Represents 22,559 shares of Limbach Holdings, Inc. (the "Company") common stock issued to the reporting person on March 2, 2026 upon vesting of 15,040 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2023 through December 31, 2025. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.
F2	Reflects the withholding of 8,878 shares by the Company to satisfy tax withholding requirements. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.

Content

Represents 22,559 shares of Limbach Holdings, Inc. (the "Company") common stock issued to the reporting person on March 2, 2026 upon vesting of 15,040 performance-based restricted stock units, based on the achievement of certain pre-established performance goals at above-target levels for the performance period commencing on January 1, 2023 through December 31, 2025. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.

Reflects the withholding of 8,878 shares by the Company to satisfy tax withholding requirements. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3.