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Form 3 Limbach Holdings, Inc. For: May 18 Filed by: Reed Michael James

May 20, 2026 4:20 PM
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
Reed Michael James
(Last) (First) (Middle)
5102 W LAUREL STREET, SUITE 700
(Street)
TAMPA FL 33607
(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
05/18/2026 		3. Issuer Name and Ticker or Trading Symbol
Limbach Holdings, Inc. [ LMB ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Operating Officer
 5. 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 Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 3,507 (1)
D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. The amount of common stock includes awards of restricted stock units (each, an "RSU") granted on January 1, 2024, January 1, 2025, May 1, 2025, and January 1, 2026. Each RSU represents a contingent right to receive one share of Limbach Holdings, Inc. (the "Company") common stock, exempt under Rule 16b-3(d)(1) and (3). Each RSU is subject to service-based vesting conditions. The RSUs vest, in the aggregate, as follows: 689 shares on January 1, 2027, 468 shares on January 1, 2028, and 268 shares on January 1, 2029. The amount of common stock does not include performance-based and market-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievements of the applicable performance goals. Any such performance-based and market-based RSUs will be reported on a Form 4 within two business days of the date of such determination.
Remarks:
See Exhibit 24.1 - Power of Attorney
/s/ Dan Murtha, Attorney-in-fact for Michael J. Reed 05/20/2026
** 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.
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.

ATTACHMENTS / EXHIBITS

EX-24.1

Categories

SEC Filings