# EDGAR Filing Document

**Accession Number:** 0001769862
**File Stem:** 0001193125-26-089416
**Filing Date:** 2026-3
**Character Count:** 7628
**Document Hash:** c6cfd70320c0ef20fffb50356bb6eaa4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-089416.hdr.sgml**: 20260303

**ACCESSION NUMBER**: 0001193125-26-089416

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260227

**FILED AS OF DATE**: 20260303

**DATE AS OF CHANGE**: 20260303

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Arbour Paola M
- **CENTRAL INDEX KEY:** 0001769862

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-07293
- **FILM NUMBER:** 26718219

**MAIL ADDRESS:**
- **STREET 1:** 14201 DALLAS PARKWAY
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75254
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TENET HEALTHCARE CORP
- **CENTRAL INDEX KEY:** 0000070318
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-GENERAL MEDICAL & SURGICAL HOSPITALS, NEC [8062]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 952557091
- **STATE OF INCORPORATION:** NV
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 14201 DALLAS PARKWAY
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75254
- **BUSINESS PHONE:** 469-893-2200

**MAIL ADDRESS:**
- **STREET 1:** 14201 DALLAS PARKWAY
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75254

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONAL MEDICAL ENTERPRISES INC /NV/
- **DATE OF NAME CHANGE:** 19920703

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Arbour Paola M<br><sub>(Last) (First) (Middle)</sub><br>14201 DALLAS PARKWAY<br><sub>(Street)</sub><br>DALLAS, TX 75254<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-02-27 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_EVP, Chief Information Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>TENET HEALTHCARE CORP [ THC ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2026-02-27 |  | M |  | 1868 | A | <sup>(1)</sup> | 42139 | D |  |
| Common Stock | 2026-02-27 |  | M |  | 2799 | A | <sup>(1)</sup> | 44938 | D |  |
| Common Stock | 2026-02-27 |  | F |  | 499<sup>(2)</sup> | D | 237.58<sup>(3)</sup> | 44439 | D |  |
| Common Stock | 2026-02-27 |  | F |  | 1838<sup>(4)</sup> | D | 239.39<sup>(5)</sup> | 42601 | D |  |
| Common Stock | 2026-02-27 |  | F |  | 6810<sup>(2)</sup> | D | 239.39<sup>(5)</sup> | 35791 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 2024 February Restricted Stock Units | <sup>(6)</sup> | 2026-02-27 |  | M |  |  | 1868 | <sup>(6)</sup> | <sup>(6)</sup> | Common Stock<sup>(7)</sup> | 1868 | $0 | 1869 | D |  |
| 2023 March Restricted Stock Units | <sup>(8)</sup> | 2026-02-27 |  | M |  |  | 2799 | <sup>(8)</sup> | <sup>(8)</sup> | Common Stock<sup>(7)</sup> | 2799 | $0 | 0 | D |  |

---

### Footnotes:

(1) Restricted stock units convert into common stock on a one-for-one basis.

(2) Reflects shares delivered by reporting person to satisfy withholding taxes due upon vesting of performance share units.

(3) Represents the closing price of the common stock of the Issuer on the vesting date for the award.

(4) Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

(5) Represents the closing price of the common stock of the Issuer on February 27, 2026.

(6) The restricted stock units were granted pursuant to the 2019 Stock Incentive Plan on February 28, 2024, vest equally in 1/3 increments on the first, second and third anniversaries of the grant date, and the second 1/3 increment vested on February 27, 2026 (the business day prior to February 28, 2026, which fell on a weekend).

(7) Time-based restricted stock units are settled in shares of the Company's common stock upon vesting.

(8) The restricted stock units were granted pursuant to the 2019 Stock Incentive Plan on March 1, 2023, vest equally in 1/3 increments on the first, second and third anniversaries of the grant date, and the third 1/3 increment vested on February 27, 2026 (the business day prior to March 1, 2026, which fell on a weekend).

**Signature:** Chad J. Wiener, as Attorney-in-fact for Paola M. Arbour  
**Date:** 2026-03-03

### Remarks:

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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**