Sec Form 4 Filing - Rittenmeyer Ronald A @ TENET HEALTHCARE CORP - 2022-06-30

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 (Last) (First) (Middle) 14201 DALLAS PARKWAY 3. Date of Earliest Transaction (MM/DD/YY) 06/30/2022 (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 ) 06/30/2022 M 32,701 A 403,096 D Common Stock 06/30/2022 F 12,868( 3 ) D $ 52.56 390,228 D Common Stock( 4 ) 06/30/2022 M 23,652 A 413,880 D Common Stock 06/30/2022 F 9,308( 3 ) D $ 52.56 404,572 D Common Stock( 5 ) 06/30/2022 M 4,883 A 409,455 D Common Stock 06/30/2022 F 1,922( 3 ) D $ 52.56 407,533 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 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 2020 February Restricted Stock Units ( 1 ) 06/30/2022 M 32,701 ( 1 ) ( 1 ) Common Stock 32,701 $ 0 65,404 D 2021 February Restricted Stock Units ( 4 ) 06/30/2022 M 23,652 ( 4 ) ( 4 ) Common Stock 23,652 $ 0 47,304 D 2022 February Restricted Stock Units ( 5 ) 06/30/2022 M 4,883 ( 5 ) ( 5 ) Common Stock 4,883 $ 0 48,833 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Rittenmeyer Ronald A 14201 DALLAS PARKWAY DALLAS, TX75254 X Executive Chairman Signatures Chad J. Wiener, as Attorney-in-Fact for Ronald A. Rittenmeyer 07/05/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The restricted stock units were granted pursuant to the 2019 Stock Incentive Plan on February 26, 2020, and vest and settle in eleven equal quarterly installments. ( 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 )The restricted stock units were granted pursuant to the 2019 Stock Incentive Plan on February 24, 2021, and vest and settle in eight equal quarterly installments. ( 5 )The restricted stock units were granted pursuant to the 2019 Stock Incentive Plan on February 23, 2022, and vest and settle in eleven equal quarterly installments.This footnote updates the vesting schedule that was incorrectly reported on the Form 4 filed by the reporting person on February 25, 2022.

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).

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