Limbach Holdings, Inc.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Appointment o

of this Current Report on Form 8-K. Item 8.01 Other Events. Effective January 1, 2026 and upon the recommendation of the Company’s Compensation Committee, the B

below. There are no arrangements or understandings between Mr. Dugan and any other person pursuant to which he was elected as a director. There are also no tran

Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description 99.1 Press Release dated January 5, 2026 104 Cover Page Interactive Data File (the cover