ARDT

SEC source: 0001628280-25-016273 · wk-form4_1743628869.xml · nonDerivative · entry 1

Schultz David · CIK 0002030397 · President Hospital Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,187

F1 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

F2 · price: Represents the closing price of the common stock of the Issuer on March 31, 2025.

SEC source: 0001628280-25-016266 · wk-form4_1743628572.xml · nonDerivative · entry 1

LUMSDAINE ALFRED · CIK 0001188873 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,565

F1 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

F2 · price: Represents the closing price of the common stock of the Issuer on March 31, 2025.

SEC source: 0001628280-25-016263 · wk-form4_1743628309.xml · nonDerivative · entry 1

Bonick Martin · CIK 0001598595 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 992,057

F1 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

F2 · price: Represents the closing price of the common stock of the Issuer on March 31, 2025.

SEC source: 0001628280-25-016268 · wk-form4_1743628697.xml · nonDerivative · entry 1

Petrovich Stephen C. · CIK 0001770932 · EVP, GC and Asst. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 696,828

F1 · shares: Shares withheld for payment of taxes upon vesting of restricted stock units in accordance with Rule 16b-3.

F2 · price: Represents the closing price of the common stock of the Issuer on March 31, 2025.

SEC source: 0001628280-25-014787 · wk-form4_1742937513.xml · nonDerivative · entry 1

GOODYEAR WILLIAM M · CIK 0001115909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,136

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 21, 2025, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0001628280-25-014792 · wk-form4_1742937730.xml · nonDerivative · entry 1

Campion Suzanne · CIK 0002030378 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,984

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 21, 2025, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0001628280-25-014782 · wk-form4_1742937269.xml · nonDerivative · entry 1

Sen Rahul · CIK 0002030409 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,478

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 21, 2025, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0001628280-25-014771 · wk-form4_1742936961.xml · nonDerivative · entry 1

Robinson Edmondo · CIK 0002030383 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,984

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 21, 2025, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0001628280-25-014784 · wk-form4_1742937411.xml · nonDerivative · entry 1

Havdala Ellen · CIK 0001299974 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,136

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 21, 2025, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0001628280-25-014789 · wk-form4_1742937598.xml · nonDerivative · entry 1

BYNOE PETER C B · CIK 0001253889 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,136

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 21, 2025, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0001628280-25-014779 · wk-form4_1742937097.xml · nonDerivative · entry 1

Sotir Mark R · CIK 0001397283 · Director · Chair of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,478

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 21, 2025, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0001628280-25-014759 · wk-form4_1742935943.xml · nonDerivative · entry 1

Webb Robert Thomas · CIK 0001951658 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,984

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 21, 2025, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0001628280-24-051492 · wk-form4_1734386374.xml · nonDerivative · entry 1

GOODYEAR WILLIAM M · CIK 0001115909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,220

F1 · shares: Represents restricted stock units that vest in three substantially equal installments on each of the first, second and third anniversaries of December 12, 2024, subject to pro rata vesting if the Reporting Person's service as a director terminates under certain circumstances in connection with the Issuer's annual meeting of stockholders.

SEC source: 0001628280-24-051507 · wk-form4_1734386581.xml · nonDerivative · entry 1

Campion Suzanne · CIK 0002030378 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,068

F1 · shares: Represents restricted stock units that vest in three substantially equal installments on each of the first, second and third anniversaries of December 12, 2024, subject to pro rata vesting if the Reporting Person's service as a director terminates under certain circumstances in connection with the Issuer's annual meeting of stockholders.

SEC source: 0001628280-24-051541 · wk-form4_1734387328.xml · nonDerivative · entry 1

Robinson Edmondo · CIK 0002030383 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,068

F1 · shares: Represents restricted stock units that vest in three substantially equal installments on each of the first, second and third anniversaries of December 12, 2024, subject to pro rata vesting if the Reporting Person's service as a director terminates under certain circumstances in connection with the Issuer's annual meeting of stockholders.

SEC source: 0001628280-24-051534 · wk-form4_1734387224.xml · nonDerivative · entry 1

Havdala Ellen · CIK 0001299974 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,220

F1 · shares: Represents restricted stock units that vest in three substantially equal installments on each of the first, second and third anniversaries of December 12, 2024, subject to pro rata vesting if the Reporting Person's service as a director terminates under certain circumstances in connection with the Issuer's annual meeting of stockholders.

SEC source: 0001628280-24-051529 · wk-form4_1734387072.xml · nonDerivative · entry 1

BYNOE PETER C B · CIK 0001253889 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,220

F1 · shares: Represents restricted stock units that vest in three substantially equal installments on each of the first, second and third anniversaries of December 12, 2024, subject to pro rata vesting if the Reporting Person's service as a director terminates under certain circumstances in connection with the Issuer's annual meeting of stockholders.

SEC source: 0001628280-24-051546 · wk-form4_1734387472.xml · nonDerivative · entry 1

Webb Robert Thomas · CIK 0001951658 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,068

F1 · shares: Represents restricted stock units that vest in three substantially equal installments on each of the first, second and third anniversaries of December 12, 2024, subject to pro rata vesting if the Reporting Person's service as a director terminates under certain circumstances in connection with the Issuer's annual meeting of stockholders.

SEC source: 0001628280-24-047644 · wk-form4_1731534108.xml · nonDerivative · entry 2

Webb Robert Thomas · CIK 0001951658 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,275

F2 · price: The price reported in Column 4 is a weighted average price of $16.49 per share. These shares were purchased in multiple transactions on 11/08/2024 at prices ranging from $16.42 to $16.51, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

SEC source: 0001628280-24-047644 · wk-form4_1731534108.xml · nonDerivative · entry 1

Webb Robert Thomas · CIK 0001951658 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,275

F1 · price: The price reported in Column 4 is a weighted average price of $17.47 per share. These shares were purchased in multiple transactions on 11/08/2024 at prices ranging from $17.425 to $17.50, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

SEC source: 0002030371-24-000004 · wk-form4_1727469957.xml · nonDerivative · entry 1

Byers David Raynor · CIK 0002030371 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,426

F1 · shares: Represents restricted stock units that vest in 3 substantially equal installments on each anniversary of September 25, 2024, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0002030397-24-000003 · wk-form4_1727470063.xml · nonDerivative · entry 1

Schultz David · CIK 0002030397 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,012

F1 · shares: Represents restricted stock units that vest in 3 substantially equal installments on each anniversary of September 25, 2024, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0001628280-24-041484 · wk-form4_1727470258.xml · nonDerivative · entry 1

LUMSDAINE ALFRED · CIK 0001188873 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,075

F1 · shares: Represents restricted stock units that vest in 3 substantially equal installments on each anniversary of September 25, 2024, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0001628280-24-041487 · wk-form4_1727470403.xml · nonDerivative · entry 1

Petrovich Stephen C. · CIK 0001770932 · EVP, GC and Asst. Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 698,256

F1 · shares: Represents restricted stock units that vest in 3 substantially equal installments on each anniversary of September 25, 2024, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0000905148-24-001957 · form4.xml · nonDerivative · entry 1

GOODYEAR WILLIAM M · CIK 0001115909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,427

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0000905148-24-001951 · form4.xml · nonDerivative · entry 1

Byers David Raynor · CIK 0002030371 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,979

F1 · shares: Represents restricted stock units that vest in 3 substantially equal installments on each anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0000905148-24-001952 · form4.xml · nonDerivative · entry 1

Chernin Ethan · CIK 0002030380 · President of Health Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,406

F1 · shares: Represents restricted stock units that vest in 3 substantially equal installments on each anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0000905148-24-001956 · form4.xml · nonDerivative · entry 1

Campion Suzanne · CIK 0002030378 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,275

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0000905148-24-001959 · form4.xml · nonDerivative · entry 1

Robinson Edmondo · CIK 0002030383 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,275

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0000905148-24-001954 · form4.xml · nonDerivative · entry 1

Schultz David · CIK 0002030397 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,477

F1 · shares: Represents restricted stock units that vest in 3 substantially equal installments on each anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0000905148-24-001960 · form4.xml · nonDerivative · entry 1

Sen Rahul · CIK 0002030409 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,562

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0000905148-24-001958 · form4.xml · nonDerivative · entry 1

Havdala Ellen · CIK 0001299974 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,427

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0000905148-24-001953 · form4.xml · nonDerivative · entry 1

LUMSDAINE ALFRED · CIK 0001188873 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,333

F1 · shares: Represents restricted stock units that vest in 3 substantially equal installments on each anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0000905148-24-001955 · form4.xml · nonDerivative · entry 1

BYNOE PETER C B · CIK 0001253889 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,427

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0000905148-24-001961 · form4.xml · nonDerivative · entry 1

Sotir Mark R · CIK 0001397283 · Director · Chair of the Board

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,562

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through the vesting date.

SEC source: 0000905148-24-001950 · form4.xml · nonDerivative · entry 1

Bonick Martin · CIK 0001598595 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,005,027

F1 · shares: Represents restricted stock units that vest in 3 substantially equal installments on each anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0000905148-24-001963 · form4.xml · nonDerivative · entry 1

Petrovich Stephen C. · CIK 0001770932 · Executive VP, GC and Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 688,557

F1 · shares: Represents restricted stock units that vest in 3 substantially equal installments on each anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date.

SEC source: 0000905148-24-001962 · form4.xml · nonDerivative · entry 1

Webb Robert Thomas · CIK 0001951658 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,275

F1 · shares: Represents restricted stock units that vest in full on the first anniversary of March 31, 2024, subject to the Reporting Person's continued service with the Issuer through the vesting date.