Sec Form 4 Filing - BAIN CAPITAL INVESTORS LLC @ BRIGHT HORIZONS FAMILY SOLUTIONS INC. - 2015-11-24

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person BAIN CAPITAL INVESTORS LLC 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 X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) JOHN HANCOCK TOWER, 200 CLARENDON STREET 3. Date of Earliest Transaction (MM/DD/YY) 11/24/2015 (Street) BOSTON, MA02116 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 11/24/2015 S 3,359,422 D $ 63.25 16,506,270 I See Footnotes ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 BAIN CAPITAL INVESTORS LLC JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON, MA02116 X BCIP Associates III, LLC JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON, MA02116 X BCIP Associates III JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON, MA02116 X BCIP T Associates III-B, LLC JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON, MA02116 X BCIP Associates III-B, LLC JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON, MA02116 X BCIP T Associates III, LLC JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON, MA02116 X BCIP Associates III-B JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON, MA02116 X BCIP Trust Associates III JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON, MA02116 X BCIP Trust Associates III-B JOHN HANCOCK TOWER 200 CLARENDON ST. BOSTON, MA02116 X BCIP Associates-G JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON, MA02116 X Signatures /s/ Joshua Bekenstein 11/25/2015 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Bain Capital Investors, LLC ("BCI") is the sole general partner of Bain Capital Partners X, L.P. ("BCP X"), which is the sole general partner of Bain Capital Fund X, L.P. ("Fund X"). As a result, each of BCI and BCP X may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by Fund X. Each of BCI and BCP X disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 24, 2015, Fund X sold 3,320,615 shares of Common Stock. Following such sale, Fund X held 16,315,603 shares of Common Stock. ( 2 )BCI is also the managing partner of BCIP Associates III ("BCIPA III"), which is the manager of BCIP Associates III, LLC ("BCIP III"). As a result, each of BCI and BCIPA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III. Each of BCI and BCIPA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 24, 2015, BCIP III sold 22,086 shares of Common Stock. Following such sale, BCIP III held 114,533 shares of Common Stock. ( 3 )BCI is also the managing partner of BCIP Associates III-B ("BCIPA III-B"), which is the manager of BCIP Associates III-B, LLC ("BCIP III-B"). As a result, each of BCI and BCIPA III-B may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP III-B. Each of BCI and BCIPA III-B disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 24, 2015, BCIP III-B sold 4,567 shares of Common Stock. Following such sale, BCIP III-B held 20,793 shares of Common Stock. ( 4 )BCI is also the managing partner of BCIP Trust Associates III ("BCIPTA III"), which is the manager of BCIP T Associates III, LLC ("BCIPT III"). As a result, each of BCI and BCIPTA III may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIPT III. Each of BCI and BCIPTA III disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 24, 2015, BCIPT III sold 10,923 shares of Common Stock. Following such sale, BCIPT III held 49,732 shares of Common Stock. ( 5 )BCI is also the managing partner of BCIP Trust Associates III-B ("BCIPTA III-B"), which is the manager of BCIP T Associates III-B, LLC ("BCIPT III-B"). As a result, each of BCI and BCIPTA III-B may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIPT III-B. Each of BCI and BCIPTA III-B disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 24, 2015, BCIPT III-B sold 756 shares of Common Stock. Following such sale, BCIPT III-B held 3,444 shares of Common Stock. ( 6 )BCI is also the managing partner of BCIP Associates-G ("BCIP G"). As a result, BCI may be deemed to share voting and dispositive power with respect to the shares of Common Stock held by BCIP G. BCI disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. On November 24, 2015, BCIP-G sold 475 shares of Common Stock. Following such sale, BCIP-G held 2,165 shares of Common Stock.

Remarks: Form 1 of 2

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