X0508 4 2024-06-10 true 0001437578 BRIGHT HORIZONS FAMILY SOLUTIONS INC. BFAM 0001243761 LAWRENCE LIGHTFOOT SARA C/O BRIGHT HORIZONS FAMILY SOLUTIONS INC 2 WELLS AVENUE NEWTON MA 02459 true false false false false Common Stock 2024-06-10 4 S false 4597.00 107.2297 D 0.00 D This transaction was executed in multiple trades at prices ranging from $107.1001 to $107.33. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. The Reporting Person retired from the Board of Directors of the Company effective June 5, 2024. /s/ John Casagrande, attorney-in-fact for Sara Lawrence-Lightfoot 2024-06-11