Company: LGN
Filing Date: 2025-12-09
Form Type: S-1
Source: 0001193125-25-312729
Chunk: 20

Company: Legence Corp.
Filing Date: 2025-12-09
Form: S-1
Chunk 20
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 date by approximately four
years to September 22, 2030 and set its applicable interest rate at SOFR plus 2.25%, in alignment with the Term Loan Credit Facility.

Principal Stockholders

Blackstone (NYSE: BX) is one of the world’s leading investment firms. Blackstone’s alternative asset
management businesses include the management of corporate private equity funds, real estate funds, hedge fund solutions, credit-oriented funds and closed-end mutual funds. Through its different
businesses, Blackstone had total assets under management of over $1.2 trillion as of September 30, 2025.

Corporate Information

Our principal executive offices are located at 1601 Las Plumas Avenue, San Jose, CA 95133, and our telephone number at that address is (833) 534-3623. Our website is available at www.wearelegence.com. We expect to make our periodic reports and other information filed with or furnished to the SEC available free of charge through our
website as soon as reasonably practicable after those reports and other information are electronically filed with or furnished to the SEC. Information on our website or any other website is not incorporated by reference herein and does not
constitute a part of this prospectus.

9

The Offering

| Class A Common Stock offered by the selling stockholders | 7,000,000 shares (or 8,050,000 shares if the underwriters exercise in full their option to purchase additional shares). |

| Option to purchase additional shares | The selling stockholders have granted the underwriters a 30-day option to purchase up to an additional 1,050,000 shares of our Class A Common Stock. |

| Class A Common Stock to be outstanding after this offering | 62,810,480 shares (or 63,460,413 shares if the underwriters exercise in full their option to purchase additional shares). |

| Class B Common Stock to be outstanding immediately after completion of this offering | 42,526,449 shares (or 41,876,516 shares, if the underwriters exercise in full their option to purchase additional shares), or one share for each LGN Unit held by the LGN Unit Holders immediately following this offering. Class B Common Stock 
 is non-economic. When an LGN Unit is exchanged for a share of Class A Common Stock, a corresponding share of Class B Common Stock will be surrendered.                                                                                           |

| Use of proceeds | We will not receive any proceeds from the sale of shares in this