8-K current report · filed May 5, 2026

Limbach Holdings, Inc. (LMB) 8-K Current Report: May 5, 2026

Item 2.02Item 7.01Item EX-99.1LMB overview

Short answer

Limbach Holdings, Inc. (LMB) filed an 8-K current report with the SEC on May 5, 2026 reporting Item 2.02 (Results of Operations and Financial Condition), Item 7.01 (Regulation FD Disclosure), Item EX-99.1 (Exhibit EX-99.1). Q1 2026 results covered quarter ended March 31, 2026.

Limbach Holdings, Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 2.02 · Results of Operations and Financial Condition

  • Q1 2026 results covered quarter ended March 31, 2026
  • Press release issued May 5, 2026 and furnished as Exhibit 99.1
  • Investors should review Exhibit 99.1 for reported financial results and management commentary

Item 7.01 · Regulation FD Disclosure

  • Investor Presentation updates operations, major projects, strategy, growth initiatives, outlook, and forecasts
  • Forward-looking materials may influence investor expectations but require review of Exhibit 99.2 and SEC filings
  • Presentation reflects conditions as of filing date, with no obligation for Limbach to provide future updates

Item EX-99.1 · Exhibit EX-99.1

  • Q1 revenue rose 4.3% to $138.9M, but organic revenue declined 13.4%, indicating acquisition-led growth and weak underlying demand
  • Bookings reached $209.1M, producing a 1.5x book-to-bill ratio and supporting expected revenue acceleration later in 2026
  • Profitability deteriorated sharply: gross margin fell to 22.4% from 27.6%, while Adjusted EBITDA declined 41.7% to $8.7M
  • Pioneer Power contributed $23.5M of acquisition-related revenue but pressured margins; management targets improvement over the next two to three years
  • FY2026 guidance was reaffirmed at $730M–$760M revenue and $90M–$94M Adjusted EBITDA despite $7.8M of operating cash outflow in Q1

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