Sec Form 4 Filing - Rittenmeyer Ronald A @ TENET HEALTHCARE CORP - 2020-12-31

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 Rittenmeyer Ronald A 2. Issuer Name and Ticker or Trading Symbol TENET HEALTHCARE CORP [ THC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Executive Chairman and CEO (Last) (First) (Middle) 14201 DALLAS PARKWAY 3. Date of Earliest Transaction (MM/DD/YY) 12/31/2020 (Street) DALLAS, TX75254 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (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 ( 1 ) 12/31/2020 M 62,908 A 612,876 D Common Stock 12/31/2020 F 21,175 ( 3 ) D $ 39.93 591,701 D Common Stock ( 4 ) 12/31/2020 M 32,701 A 624,402 D Common Stock 12/31/2020 F 12,868 ( 3 ) D $ 39.93 611,534 D Common Stock 15,000 I By spouse

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 Securitie s (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 2019 February Restricted Stock Units ( 1 ) 12/31/2020 M 62,908 ( 1 ) ( 1 ) Common Stock ( 5 ) 62,908 $ 0 125,816 D 2020 February Restricted Stock Units ( 4 ) 12/31/2020 M 32,701 ( 4 ) ( 4 ) Common Stock ( 5 ) 32,701 $ 0 261,610 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Rittenmeyer Ronald A 14201 DALLAS PARKWAY DALLAS, TX75254 X Executive Chairman and CEO Signatures Mark R. Jackson, as Attorney-in-Fact for Ronald A. Rittenmeyer 01/05/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )As previously reported, on February 27, 2019, the reporting person received a grant of 566,172 time-based restricted stock units that vest and settle in nine equal quarterly installments. The seventh vesting date occurred on December 31, 2020, resulting in the vesting and settlement of 62,908 shares of common stock, as shown in Table I. The remaining 125,816 restricted stock units are shown in Table II. ( 2 )Restricted stock units convert into common stock on a one-for-one basis. ( 3 )Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3. ( 4 )As previously reported, on February 26, 2020, the reporting person received a grant of 359,713 time-based restricted stock units that vest and settle in eleven equal quarterly installments. The third vesting date occurred on December 31, 2020, resulting in the vesting and settlement of 32,701 shares of common stock, as shown in Table I. The remaining 261,610 restricted stock units are shown in Table II. ( 5 )Restricted stock units are settled in shares of the Company's common stock upon vesting.

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