Company: LGN
Filing Date: 2025-09-02
Form Type: S-1/A
Source: 0001193125-25-193346
Chunk: 359

Company: Legence Corp.
Filing Date: 2025-09-02
Form: S-1/A
Chunk 359
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 three and nine months ending September 30, 2025, the period in which the legislation was enacted. F-88

26,000,000 Shares Legence Corp. Class A Common Stock Prospectus Joint Lead Book-Running Managers

| Goldman Sachs & Co. LLC |     | Jefferies |

Bookrunners

| BofA Securities |     | Barclays |     | Morgan Stanley |     | RBC Capital Markets |     | SOCIETE GENERALE |

| BMO Capital Markets |     | Cantor |     | Guggenheim Securities |     | Wolfe | Nomura Alliance |

| MUFG |     | Roth Capital Partners |     | Santander |     | Stifel |     | TD Cowen |

| BTIG |     | Rothschild & Co |

Co-Managers

| Blackstone Capital Markets |     | Drexel Hamilton |     | Loop Capital Markets |     | Penserra Securities LLC |     | Tigress Financial Partners |

| C.L. King & Associates |     | Independence Point Securities |

, 2025 Through and including , 2025 (the 25th day after the date of this prospectus), all dealers effecting transactions in our shares, whether or not participating in this offering, may be required to deliver a prospectus. This requirement is in addition to the dealers’ obligation to deliver a prospectus when acting as an underwriter and with respect to an unsold allotment or subscription.

PART II INFORMATION NOT REQUIRED IN PROSPECTUS Item 13. Other Expenses of Issuance and Distribution The following table sets forth an itemized statement of the amounts of all expenses (excluding underwriting discounts and commissions) payable by us in connection with the registration of the Class A Common Stock offered hereby. With the exception of the SEC registration fee, FINRA filing fee and the Nasdaq listing fee, the amounts set forth below are estimates.

| SEC registration fee              |     | $ |    107,476 |
| FINRA filing fee                  |     |   |    105,800 |
| Nasdaq listing fee                |     |   |    320,000 |
| Accountants’ fees and expenses    |     |   | 18,000,000 |
| Legal fees and expenses           |     |   |  6,500,000 |
| Printing and engraving expenses   |     |   |  1,300,000 |
| Transfer agent and registrar fees |     |   |     25,000