Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Marshall Rosamund 2. Issuer Name and Ticker or Trading Symbol BRIGHT HORIZONS FAMILY SOLUTIONS INC. [BFAM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Managing Director - Intl. (Last) (First) (Middle) C/O BRIGHT HORIZONS FAMILY SOLUTIONS, 2 WELLS AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 02/24/2026 (Street) NEWTON, MA 02459 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/24/2026 A 2,623(1) A $ 0 23,804 D Common Stock 02/24/2026 F 1,181(2) D $71.64 22,623 D Common Stock 02/24/2026 F 2,164(3) D $71.64 20,459 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Marshall Rosamund C/O BRIGHT HORIZONS FAMILY SOLUTIONS 2 WELLS AVENUE NEWTON, MA 02459			Managing Director - Intl.

Signatures

John Casagrande, attorney-in-fact for Rosamund Marshall		02/26/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents the acquisition of shares of the Registrant's common stock upon the vesting of performance-based restricted stock units (PRSUs). The number of PRSUs was based on the Registrant's level of achievement of certain financial performance metrics for the performance period, which commenced on January 1, 2023 and ended on December 31, 2025. Each PRSU represents a contingent right to receive one share of Registrant common stock upon vesting and settlement.
(2)	Represents shares withheld to satisfy tax withholding obligations arising as a result of the vesting and settlement of the PRSUs described in footnote 1.
(3)	Represents shares withheld to satisfy tax withholding obligation arising upon the vesting of restricted stock units (RSU). Each RSU represents a right to receive one share of Registrant common stock upon vesting.

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