Jay A. Sharp - 01 Jan 2026 Form 4 Insider Report for Limbach Holdings, Inc. (LMB)

Reporting relationship: Regional President
Issuer ticker: LMB
Reported as of: 01 Jan 2026
Net transaction value: -$136,705
SEC form: 4
Accepted by SEC: 05 Jan 2026, 16:49:57 UTC
Prior SEC filing: 16 Dec 2025
Next SEC filing: 04 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Jeremiah G. Garvey, Attorney-in-Fact for Jay A. Sharp

Filing notes and source

Key filing fact

Jay A. Sharp filed Form 4 for Limbach Holdings, Inc. (LMB) on 05 Jan 2026.

Key facts

This page summarizes Jay A. Sharp's Form 4 filing for Limbach Holdings, Inc. (LMB).
6 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 05 Jan 2026, 16:49.

Change

Previous filing in this sequence was filed on 16 Dec 2025.
Current net transaction value: -$136,705.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001965562 Primary reporting owner

Sharp Jay

Relationship: Regional President
Address: 797 COMMONWEALTH DRIVE, WARRENDALE
Signature: /s/ Jeremiah G. Garvey, Attorney-in-Fact for Jay A. Sharp
Signature date: 05 Jan 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LMB transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +929
Change %: +1.4%
Price: $0.000000
Shares after: 65,908
Date: 01 Jan 2026
Ownership: Direct

LMB transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +487
Change %: +0.74%
Price: $0.000000
Shares after: 66,395
Date: 01 Jan 2026
Ownership: Direct

LMB transaction

Common Stock

Tax liability

Transaction value: -$136,705
Shares: -1,756
Change %: -2.6%
Price: $77.85
Shares after: 64,639
Date: 01 Jan 2026
Ownership: Direct
Footnotes: F2

LMB holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 64,979
Date: 01 Jan 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

LMB transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -929
Change %: -28%
Price: $0.000000
Shares after: 2,390
Date: 01 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 929
Exercise price
Footnotes: F3, F4

LMB transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -487
Change %: -20%
Price: $0.000000
Shares after: 1,903
Date: 01 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 487
Exercise price
Footnotes: F3, F5

LMB transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +1,678
Change %: +88%
Price: $0.000000
Shares after: 3,581
Date: 01 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,678
Exercise price
Footnotes: F3, F6

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

The amount of common stock includes an aggregate 3,194 service-based restricted stock units (each, an "RSU") that vested on January 1, 2026 related to certain awards granted on each January 4, 2023 and January 17, 2023.

Footnote F2

Reflects the withholding of shares by Limbach Holdings, Inc. (the "Company") to satisfy tax withholding requirements. Such transactions were exempt from Section 16(b) pursuant to Rule 16b-3.

Footnote F3

Each RSU represents a contingent right to receive one share of the Company's common stock, exempt under Rule 16b-3(d)(1) and (3).

Footnote F4

This award of RSUs was granted on January 1, 2024. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2025, January 1, 2026 and January 1, 2027, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination.

Footnote F5

This award of RSUs was granted on January 1, 2025. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2026, January 1, 2027 and January 1, 2028, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination.

Footnote F6

This award of RSUs was granted on January 1, 2026. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2027, January 1, 2028 and January 1, 2029, subject to continued employment through the applicable vesting date. The amounts reported above (related to this grant) do not include performance-based RSUs, if any, that may be earned by the reporting person but for which the Compensation Committee has not yet determined the achievement of the applicable performance goals. Any such RSU's will be reported on a Form 4 within two business days of the date of such determination.