Limbach (LMB) director Terence Dugan receives 1,498 restricted stock units

Rhea-AI Filing Summary

Limbach Holdings, Inc. director Terence Patrick Dugan reported an equity award on a Form 4. On January 20, 2026, he was granted 1,498 restricted stock units (RSUs), each representing a contingent right to receive one share of Limbach Holdings common stock. The RSUs were awarded at an exercise price of $0 and are scheduled to cliff vest on January 1, 2027, meaning all units vest at once on that date rather than gradually. Following this grant, Dugan beneficially owns 1,498 derivative securities directly, reflecting this new RSU award.

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^*

Dugan Terence Patrick

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/20/2026

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

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
Restricted Stock Units	(1)	01/20/2026		A		1,498		(2)	(2)	Common Stock	1,498	$0	1,498	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Limbach Holdings, Inc. (the "Company") common stock, exempt under Rule 16b-3.

2. This award of RSUs was granted on January 20, 2026. The RSUs are scheduled to cliff vest on January 1, 2027.

Remarks:

	/s/ Dan Murtha, Attorney-in-fact for Terence P. Dugan	01/21/2026
	** 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.

FAQ

What insider transaction did LMB director Terence Patrick Dugan report?

Terence Patrick Dugan reported the grant of 1,498 restricted stock units (RSUs) of Limbach Holdings, Inc. common stock on January 20, 2026.

What do the reported RSUs for Limbach Holdings (LMB) represent?

Each reported RSU represents a contingent right to receive one share of Limbach Holdings, Inc. common stock and is exempt under Rule 16b-3.

When do Terence Patrick Dugan’s Limbach (LMB) RSUs vest?

The RSUs granted to Terence Patrick Dugan are scheduled to cliff vest on January 1, 2027, with all units vesting at the same time.

How many Limbach (LMB) derivative securities does Terence Patrick Dugan own after this transaction?

After the reported transaction, Terence Patrick Dugan beneficially owns 1,498 derivative securities, corresponding to the RSU award, held directly.

What was the price for the RSUs granted to the Limbach (LMB) director?

The 1,498 RSUs granted to the Limbach Holdings director were reported with a derivative security price of $0 per unit.

Is Terence Patrick Dugan a director or officer of Limbach Holdings (LMB)?

Terence Patrick Dugan is reported as a director of Limbach Holdings, Inc. and not as an officer or 10% owner in this filing.