Sec Form 4 Filing - MSD Partners, L.P. @ Life Time Group Holdings, Inc. - 2021-10-12

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 MSD Partners, L.P. 2. Issuer Name and Ticker or Trading Symbol Life Time Group Holdings, Inc. [ LTH] 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) 645 FIFTH AVENUE, 21ST FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 10/12/2021 (Street) NEW YORK, NY10022 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 10/12/2021 C 11,007 A 230,007 I See footnotes ( 2 ) ( 3 )

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 Series A Preferred Stock ( 1 ) 10/12/2021 C 8,937 ( 1 ) ( 1 ) Common Stock 11,007 ( 1 ) 0 I See Footnotes ( 2 ) ( 3 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other MSD Partners, L.P. 645 FIFTH AVENUE, 21ST FLOOR NEW YORK, NY10022 X MSD EIV Private Life Time, LLC 645 FIFTH AVENUE, 21ST FLOOR NEW YORK, NY10022 X Signatures /s/ MSD PARTNERS, L.P. By: MSD Partners (GP), LLC Its: General Partner By: /s/ Marc R. Lisker Name: Marc R. Lisker Title: Manager 10/14/2021 Signature of Reporting Person Date /s/ MSD EIV Private Life Time, LLC By: MSD Partners, L.P. Its: Manager By: MSD Partners (GP), LLC Its: General Partner By: /s/ Marc R. Lisker Name: Marc R. Lisker Title: Manager 10/14/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each share of Series A preferred stock automatically converted into common stock upon the closing of the Issuer's initial public offering in accordance with the Certificate of Designations pertaining to the Series A preferred stock. ( 2 )This statement is jointly filed by and on behalf of each of MSD Partners, L.P. ("MSD Partners") and MSD EIV Private Life Time, LLC ("MSD EIV Private Life Time"). MSD EIV Private Life Time is the record and direct beneficial owner of the shares of the issuer's securities reported herein. MSD Partners is the manager of MSD EIV Private Life Time and may be deemed to beneficially own securities owned by MSD EIV Private Life Time. MSD Partners (GP), LLC ("MSD GP", and together with MSD Partners and MSD EIV Private Life Time, the "MSD Parties") is the general partner of MSD Partners and may be deemed to beneficially own securities owned by MSD Partners. Each of John Phelan, Marc R. Lisker and Brendan Rogers is a manager of MSD GP and may be deemed to beneficially own securities owned by MSD GP. Each of Messrs. Phelan, Lisker and Rogers disclaims beneficial ownership of such securities except to the extent of any pecuniary interest therein. ( 3 )The MSD Parties and each of Messrs. Phelan, Lisker and Dell may be deemed to be a member of a group with respect to the issuer or securities of the issuer for the purposes of Section 13(d) or 13(g) of the Securities Exchange Act of 1934 (the "Act"). Each of the MSD Parties and each of Messrs. Phelan, Lisker and Dell declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, a member of a group with respect to the issuer or securities of the issuer.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* 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).

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