X0609 4 2026-09-15 0002052568 Legence Corp. LGN 0002082077 Le Bris Philippe false C/O LEGENCE CORP. 1601 LAS PLUMAS AVENUE SAN JOSE CA 95133 false true false false Chief Accounting Officer true Class A Common Stock 2026-09-15 4 M false 4196 28.00 A 10344 D Class A Common Stock 2026-09-15 4 S false 4196 54.06 D 6148 D Class A Common Stock 2026-09-15 4 F false 341 53.03 D 5807 D Employee Stock Options 28.00 2026-09-15 4 M false 4196 0.00 D Class A Common Stock 4196 8393 D The reported transactions occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 06/16/2026. Represents shares of Legence Corp's Class A common stock, par value $0.01 per share, withheld to satisfy tax withholding obligations upon vesting of Restricted Stock Units. The options vest in three substantially equal installments the first of which occurred on September 11, 2026. The second and third installments will vest on the second and third anniversaries of the date of the award, respectively, subject generally to continued employment through the applicable vesting date. The options expire on September 11, 2035, the tenth anniversary of the date of the award. /s/ Bryce Seki, as attorney-in-fact 2026-09-17