Limbach Holdings, Inc.

Limbach Holdings, Inc. (Nasdaq: LMB) is a mechanical, electrical, and plumbing services company that entered the public markets through a de-SPAC merger with 1347 Capital Corp, a blank-check vehicle sponsored by Kingsway Financial Services, which closed in 2016. Operating in the building infrastructure and facility services sector, Limbach has since evolved into a pure operating company emphasizing owner-direct service relationships alongside general contractor work. The company filed a DEFA14A — additional definitive proxy soliciting materials — with the SEC on April 23, 2026, under accession number 0001628280-26-026894, signaling active shareholder communication tied to a corporate action requiring stockholder consideration. For comprehensive filing history, proxy analytics, and SPAC-origin data on LMB, sign up for full access at SpacDesk.