Transaction Details

Footnotes

Represents 52,008 shares of Limbach Holdings, Inc. (the "Company") common stock issued to the reporting person on March 2, 2026 upon vesting of 34,672 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 20,466 shares by the Company to satisfy tax withholding requirements. Such transaction was exempt from Section 16(b) pursuant to Rule 16b-3. | Shares held by The McCann Family Revocable Living Trust. The Reporting Person and his spouse are trustees of The McCann Family Revocable Living Trust. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report will not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.