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 OF SECURITIES 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 * Laughlin Conan   2. Issuer Name and Ticker or Trading Symbol TIVITY HEALTH, INC. [TVTY] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 701 COOL SPRINGS BOULEVARD 3. Date of Earliest Transaction (Month/Day/Year) 11/20/2017 (Street) FRANKLIN, TN 37067 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 11/20/2017   S   48,000 D $ 34.81 36,000 (1) I By North Tide Capital Master, LP (2) Common Stock 11/20/2017   S   21,330 D $ 34.81 16,000 (1) I By Managed Account of North Tide Capital, LLC (3) Common Stock 11/20/2017   S   10,670 D $ 34.81 8,000 (1) I By NTC Special Opportunities I Master, LP (4) Common Stock 11/21/2017   S   36,000 D $ 35.01 0 (1) I By North Tide Capital Master, LP (2) Common Stock 11/21/2017   S   16,000 D $ 35.01 0 (1) I By Managed Account of North Tide Capital, LLC (3) Common Stock 11/21/2017   S   8,000 D $ 35.01 0 (1) I By NTC Special Opportunities I Master, LP (4) Common Stock               17,590 (5) D

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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
Laughlin Conan 701 COOL SPRINGS BOULEVARD FRANKLIN, TN 37067	X

Signatures

/s/ Mary Flipse, by power of attorney for Conan Laughlin		11/21/2017
**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)	The Reporting Person disclaims beneficial ownership of the shares of Common Stock reported herein except to the extent of his pecuniary interest therein, and this report shall not be deemed to be an admission that the Reporting Person is the beneficial owner of such shares of Common Stock for purposes of Section 16 or for any other purpose.
(2)	Shares of Common Stock beneficially owned by North Tide Capital Master, LP (the "Master Fund"). North Tide Capital, LLC ("North Tide"), as the investment manager of the Master Fund, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by the Master Fund. The Reporting Person, as the Manager of North Tide, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by the Master Fund.
(3)	Shares held in an account managed by North Tide. The Reporting Person, as the Manager of North Tide, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by North Tide.
(4)	Shares of Common Stock beneficially owned by NTC Special Opportunities I Master, LP ("NTC"). North Tide, as the investment manager of NTC, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by NTC. The Reporting Person, as the Manager of North Tide, may be deemed to be the beneficial owner of the shares of Common Stock beneficially owned by NTC.
(5)	Includes shares underlying restricted stock units that vest in accordance with the schedules set forth in the Reporting Person's Form 4s.

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