AVAH

SEC source: 0001193125-25-253518 · ownership.xml · nonDerivative · entry 2

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 19,292,787

F5 · kind: On October 24, 2025, J.H. Whitney VII, L.P sold 1,251,909 Shares pursuant to the option to purchase additional Shares in an underwritten secondary offering.

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holdings LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0001193125-25-253520 · ownership.xml · nonDerivative · entry 2

J.H. Whitney Equity Partners VII, LLC · CIK 0001567459 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 19,292,787

F2 · kind: On October 24, 2025, J.H. Whitney VII, L.P sold 1,251,909 Shares pursuant to the option to purchase additional Shares in an underwritten secondary offering.

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holdings LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings," and, collectively with JHW VII and PSA Healthcare, the "Stockholder Entities"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of the Stockholder Entities, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0001193125-25-248271 · ownership.xml · nonDerivative · entry 6

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By JHW Iliad Holdings II LLC

Disclosed balance after: 386,284

F7 · kind: On October 21, 2025, JHW Iliad Holdings II LLC sold 156,923 Shares pursuant to an underwritten secondary offering.

F2 · ownership.nature: Project Iliad Managing Member, LLC ("Project Iliad") is the managing member of JHW Iliad Holdings LLC ("JHW Iliad"). As a result, Project Iliad may be deemed to share voting and dispositive power with respect to the Shares held by JHW Iliad. Project Iliad disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F3 · ownership.nature: J.H. Whitney Capital Partners, LLC ("Capital Partners") is the sole member of J.H. Whitney VII Management Co., LLC ("Management Co. VII"), which is the managing member of JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, and PSA Iliad Holdings, the "Stockholder Entities"). As a result, each of Capital Partners and Management Co. VII may be deemed to share voting and dispositive power with respect to the Shares held by JHW Iliad II. Each of Capital Partners and Management Co. VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0001193125-25-248271 · ownership.xml · nonDerivative · entry 4

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By JHW Iliad Holdings LLC

Disclosed balance after: 3,685,068

F6 · kind: On October 21, 2025, JHW Iliad Holdings LLC sold 1,497,018 Shares pursuant to an underwritten secondary offering.

F2 · ownership.nature: Project Iliad Managing Member, LLC ("Project Iliad") is the managing member of JHW Iliad Holdings LLC ("JHW Iliad"). As a result, Project Iliad may be deemed to share voting and dispositive power with respect to the Shares held by JHW Iliad. Project Iliad disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0001193125-25-248271 · ownership.xml · nonDerivative · entry 2

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 20,544,696

F5 · kind: On October 21, 2025, J.H. Whitney VII, L.P sold 8,346,059 Shares pursuant to an underwritten secondary offering.

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holdings LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0001193125-25-248274 · ownership.xml · nonDerivative · entry 6

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By JHW Iliad Holdings II LLC

Disclosed balance after: 386,284

F7 · kind: On October 21, 2025, JHW Iliad Holdings II LLC sold 156,923 Shares pursuant to an underwritten secondary offering.

F2 · ownership.nature: Project Iliad Managing Member, LLC ("Project Iliad") is the managing member of JHW Iliad Holdings LLC ("JHW Iliad"). As a result, Project Iliad may be deemed to share voting and dispositive power with respect to the Shares held by JHW Iliad. Project Iliad disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F3 · ownership.nature: J.H. Whitney Capital Partners, LLC ("Capital Partners") is the sole member of J.H. Whitney VII Management Co., LLC ("Management Co. VII"), which is the managing member of JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, and PSA Iliad Holdings, the "Stockholder Entities"). As a result, each of Capital Partners and Management Co. VII may be deemed to share voting and dispositive power with respect to the Shares held by JHW Iliad II. Each of Capital Partners and Management Co. VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0001193125-25-248274 · ownership.xml · nonDerivative · entry 4

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By JHW Iliad Holdings LLC

Disclosed balance after: 3,685,068

F6 · kind: On October 21, 2025, JHW Iliad Holdings LLC sold 1,497,018 Shares pursuant to an underwritten secondary offering.

F2 · ownership.nature: Project Iliad Managing Member, LLC ("Project Iliad") is the managing member of JHW Iliad Holdings LLC ("JHW Iliad"). As a result, Project Iliad may be deemed to share voting and dispositive power with respect to the Shares held by JHW Iliad. Project Iliad disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0001193125-25-248274 · ownership.xml · nonDerivative · entry 2

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 20,544,696

F5 · kind: On October 21, 2025, J.H. Whitney VII, L.P sold 8,346,059 Shares pursuant to an underwritten secondary offering.

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holdings LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0001193125-25-248078 · ownership.xml · nonDerivative · entry 2

J.H. Whitney Equity Partners VII, LLC · CIK 0001567459 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 20,544,696

F2 · kind: On October 21, 2025, J.H. Whitney VII, L.P sold 8,346,059 Shares pursuant to an underwritten secondary offering.

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holdings LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings," and, collectively with JHW VII and PSA Healthcare, the "Stockholder Entities"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of the Stockholder Entities, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-095436 · ownership.xml · nonDerivative · entry 5

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By PSA Iliad Holdings LLC

Disclosed balance after: 1,426,034

F6 · kind: In-kind distribution from PSA Iliad Holdings to its members.

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holdings LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-095436 · ownership.xml · nonDerivative · entry 3

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By PSA Healthcare Investment Holdings LLC

Disclosed balance after: 15,523,809

F5 · kind: In-kind distribution from PSA Healthcare to its members.

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holdings LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-095434 · ownership.xml · nonDerivative · entry 5

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By PSA Iliad Holdings LLC

Disclosed balance after: 1,426,034

F6 · kind: In-kind distribution from PSA Iliad Holdings to its members.

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holdings LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-095434 · ownership.xml · nonDerivative · entry 3

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By PSA Healthcare Investment Holdings LLC

Disclosed balance after: 15,523,809

F5 · kind: In-kind distribution from PSA Healthcare to its members.

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holdings LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-095438 · ownership.xml · nonDerivative · entry 4

J.H. Whitney Equity Partners VII, LLC · CIK 0001567459 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By PSA Iliad Holdings LLC

Disclosed balance after: 1,426,034

F3 · kind: In-kind distribution from PSA Iliad Holdings to its members.

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holdings LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings," and, collectively with JHW VII and PSA Healthcare, the "Stockholder Entities"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of the Stockholder Entities, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-095438 · ownership.xml · nonDerivative · entry 3

J.H. Whitney Equity Partners VII, LLC · CIK 0001567459 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By PSA Healthcare Investment Holdings LLC

Disclosed balance after: 15,523,809

F2 · kind: In-kind distribution from PSA Healthcare to its members.

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holdings LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings," and, collectively with JHW VII and PSA Healthcare, the "Stockholder Entities"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of the Stockholder Entities, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-086431 · ownership.xml · nonDerivative · entry 1

Cunningham Patrick A. · CIK 0001858847 · Chief Compliance Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 327,869

F1 · price: This transaction was executed in multiple trades during the day at prices ranging from $4.9201 to $4.9410. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

SEC source: 0000950170-25-084986 · ownership.xml · nonDerivative · entry 1

Buckhalter Matthew · CIK 0001983673 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 490,057

F1 · price: This transaction was executed in multiple trades during the day at prices ranging from $5.70 to $5.75. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

SEC source: 0000950170-25-084985 · ownership.xml · nonDerivative · entry 1

Stewart Deborah · CIK 0001983702 · SVP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 285,396

F1 · price: This transaction was executed in multiple trades during the day at prices ranging from $5.55 to $5.60. The weighted-average price is reported above. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.

SEC source: 0000950170-25-085222 · ownership.xml · nonDerivative · entry 2

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 28,890,756

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holding LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-085215 · ownership.xml · nonDerivative · entry 2

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 28,890,756

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holding LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-085224 · ownership.xml · nonDerivative · entry 2

J.H. Whitney Equity Partners VII, LLC · CIK 0001567459 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 28,890,756

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of J.H. Whitney VII, L.P. ("JHW VII") and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare Investment Holding LLC ("PSA Healthcare") and PSA Iliad Holdings LLC ("PSA Iliad Holdings," and, collectively with JHW VII and PSA Healthcare, the "Stockholder Entities"). As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to shares of common stock, $0.01 par value per share (the "Shares"), held by each of the Stockholder Entities, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-083962 · ownership.xml · nonDerivative · entry 1

Perchik Jerry · CIK 0002020493 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 388,645

F1 · shares: Represents shares earned upon vesting of performance-based restricted stock units issued pursuant to the Company's Senior Management Retention Plan.

SEC source: 0000950170-25-083958 · ownership.xml · nonDerivative · entry 2

Shaner Jeff · CIK 0001520693 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,477,639

F2 · shares: Represents shares withheld for payment of taxes upon vesting of performance-based restricted stock units; not an open market transaction.

SEC source: 0000950170-25-083958 · ownership.xml · nonDerivative · entry 1

Shaner Jeff · CIK 0001520693 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,541,257

F1 · shares: Represents shares earned upon vesting of performance-based restricted stock units issued pursuant to the Company's Senior Management Retention Plan.

SEC source: 0000950170-25-083959 · ownership.xml · nonDerivative · entry 2

Reisz Edwin C. · CIK 0001859462 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,285,899

F2 · shares: Represents shares withheld for payment of taxes upon vesting of performance-based restricted stock units; not an open market transaction.

SEC source: 0000950170-25-083959 · ownership.xml · nonDerivative · entry 1

Reisz Edwin C. · CIK 0001859462 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,335,682

F1 · shares: Represents shares earned upon vesting of performance-based restricted stock units issued pursuant to the Company's Senior Management Retention Plan.

SEC source: 0000950170-25-083957 · ownership.xml · nonDerivative · entry 2

Buckhalter Matthew · CIK 0001983673 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 501,245

F2 · shares: Represents shares withheld for payment of taxes upon vesting of performance-based restricted stock units; not an open market transaction.

SEC source: 0000950170-25-083957 · ownership.xml · nonDerivative · entry 1

Buckhalter Matthew · CIK 0001983673 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 552,543

F1 · shares: Represents shares earned upon vesting of performance-based restricted stock units issued pursuant to the Company's Senior Management Retention Plan.

SEC source: 0000950170-25-083956 · ownership.xml · nonDerivative · entry 2

Cunningham Patrick A. · CIK 0001858847 · Chief Compliance Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 346,369

F2 · shares: Represents shares withheld for payment of taxes on vesting of performance-based restricted stock units; not an open market transaction.

SEC source: 0000950170-25-083956 · ownership.xml · nonDerivative · entry 1

Cunningham Patrick A. · CIK 0001858847 · Chief Compliance Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 392,128

F1 · shares: Represents shares earned upon vesting of performance-based restricted stock units issued pursuant to the Company's Senior Management Retention Plan.

SEC source: 0000950170-25-083955 · ownership.xml · nonDerivative · entry 2

Stewart Deborah · CIK 0001983702 · SVP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 300,853

F2 · shares: Represents shares withheld for payment of taxes upon vesting of performance-based restricted stock units; not an open market transaction.

SEC source: 0000950170-25-083955 · ownership.xml · nonDerivative · entry 1

Stewart Deborah · CIK 0001983702 · SVP, Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 347,882

F1 · shares: Represents shares earned upon vesting of performance-based restricted stock units issued pursuant to the Company's Senior Management Retention Plan.

SEC source: 0000950170-25-096375 · ownership.xml · nonDerivative · entry 2

Reisz Edwin C. · CIK 0001859462 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,371,497

F3 · shares: Represents shares withheld for payment of taxes upon vesting of performance-based restricted stock units; not an open market transaction.

F2 · balance_after: This amended Form 4 is being filed solely to correct the inadvertent errors in the number of securities beneficially owned in Column 5 following each of the two reported transactions in Table I of the Form 4 filed on June 9, 2025 (the "Original Form 4"). All other information reported in the Original Form 4 remains the same.

SEC source: 0000950170-25-096375 · ownership.xml · nonDerivative · entry 1

Reisz Edwin C. · CIK 0001859462 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,421,280

F1 · shares: Represents shares earned upon vesting of performance-based restricted stock units issued pursuant to the Company's Senior Management Retention Plan.

F2 · balance_after: This amended Form 4 is being filed solely to correct the inadvertent errors in the number of securities beneficially owned in Column 5 following each of the two reported transactions in Table I of the Form 4 filed on June 9, 2025 (the "Original Form 4"). All other information reported in the Original Form 4 remains the same.

SEC source: 0000950170-25-075601 · ownership.xml · nonDerivative · entry 2

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 29,640,756

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-075602 · ownership.xml · nonDerivative · entry 2

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 29,640,756

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-075604 · ownership.xml · nonDerivative · entry 2

J.H. Whitney Equity Partners VII, LLC · CIK 0001567459 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 29,640,756

F1 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare, and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of the Stockholder Entities, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073469 · ownership.xml · nonDerivative · entry 11

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JHW Iliad Holdings II LLC

Disclosed balance after: 543,207

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC ("JHW Iliad"), PSA Iliad Holdings LLC ("PSA Iliad Holdings") and JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, JHW Iliad II and PSA Iliad Holdings, the "Stockholder Entities") on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F5 · ownership.nature: Project Iliad Managing Member, LLC ("Project Iliad") is the managing member of JHW Iliad. As a result, Project Iliad may be deemed to share voting and dispositive power with respect to the Shares held by JHW Iliad. Project Iliad disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F6 · ownership.nature: J.H. Whitney Capital Partners, LLC ("Capital Partners") is the sole member of J.H. Whitney VII Management Co., LLC ("Management Co. VII"), which is the managing member of JHW Iliad II. As a result, each of Capital Partners and Management Co. VII may be deemed to share voting and dispositive power with respect to the Shares held by JHW Iliad II. Each of Capital Partners and Management Co. VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073469 · ownership.xml · nonDerivative · entry 9

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By PSA Iliad Holdings LLC

Disclosed balance after: 1,443,143

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC ("JHW Iliad"), PSA Iliad Holdings LLC ("PSA Iliad Holdings") and JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, JHW Iliad II and PSA Iliad Holdings, the "Stockholder Entities") on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F4 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073469 · ownership.xml · nonDerivative · entry 7

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JHW Iliad Holdings LLC

Disclosed balance after: 5,182,086

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC ("JHW Iliad"), PSA Iliad Holdings LLC ("PSA Iliad Holdings") and JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, JHW Iliad II and PSA Iliad Holdings, the "Stockholder Entities") on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F5 · ownership.nature: Project Iliad Managing Member, LLC ("Project Iliad") is the managing member of JHW Iliad. As a result, Project Iliad may be deemed to share voting and dispositive power with respect to the Shares held by JHW Iliad. Project Iliad disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073469 · ownership.xml · nonDerivative · entry 5

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By PSA Healthcare Investment Holding LLC

Disclosed balance after: 15,588,582

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC ("JHW Iliad"), PSA Iliad Holdings LLC ("PSA Iliad Holdings") and JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, JHW Iliad II and PSA Iliad Holdings, the "Stockholder Entities") on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F4 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073469 · ownership.xml · nonDerivative · entry 3

VIGANO PAUL R · CIK 0001239606 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 31,201,456

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC ("JHW Iliad"), PSA Iliad Holdings LLC ("PSA Iliad Holdings") and JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, JHW Iliad II and PSA Iliad Holdings, the "Stockholder Entities") on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F4 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the Shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073492 · ownership.xml · nonDerivative · entry 11

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JHW Iliad Holdings II LLC

Disclosed balance after: 543,207

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC ("JHW Iliad"), PSA Iliad Holdings LLC ("PSA Iliad Holdings") and JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, JHW Iliad II and PSA Iliad Holdings, the "Stockholder Entities") on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F5 · ownership.nature: Project Iliad Managing Member, LLC ("Project Iliad") is the managing member of JHW Iliad. As a result, Project Iliad may be deemed to share voting and dispositive power with respect to the shares held by JHW Iliad. Project Iliad disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F6 · ownership.nature: J.H. Whitney Capital Partners, LLC ("Capital Partners") is the sole member of J.H. Whitney VII Management Co., LLC ("Management Co. VII"), which is the managing member of JHW Iliad II. As a result, each of Capital Partners and Management Co. VII may be deemed to share voting and dispositive power with respect to the shares held by JHW Iliad II. Each of Capital Partners and Management Co. VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073492 · ownership.xml · nonDerivative · entry 9

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By PSA Iliad Holdings LLC

Disclosed balance after: 1,443,143

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC ("JHW Iliad"), PSA Iliad Holdings LLC ("PSA Iliad Holdings") and JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, JHW Iliad II and PSA Iliad Holdings, the "Stockholder Entities") on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F4 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073492 · ownership.xml · nonDerivative · entry 7

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JHW Iliad Holdings LLC

Disclosed balance after: 5,182,086

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC ("JHW Iliad"), PSA Iliad Holdings LLC ("PSA Iliad Holdings") and JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, JHW Iliad II and PSA Iliad Holdings, the "Stockholder Entities") on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F5 · ownership.nature: Project Iliad Managing Member, LLC ("Project Iliad") is the managing member of JHW Iliad. As a result, Project Iliad may be deemed to share voting and dispositive power with respect to the shares held by JHW Iliad. Project Iliad disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073492 · ownership.xml · nonDerivative · entry 5

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By PSA Healthcare Investment Holding LLC

Disclosed balance after: 15,588,582

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC ("JHW Iliad"), PSA Iliad Holdings LLC ("PSA Iliad Holdings") and JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, JHW Iliad II and PSA Iliad Holdings, the "Stockholder Entities") on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F4 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073492 · ownership.xml · nonDerivative · entry 3

WILLIAMS ROBERT M JR · CIK 0001239610 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 31,201,456

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC ("JHW Iliad"), PSA Iliad Holdings LLC ("PSA Iliad Holdings") and JHW Iliad Holdings II LLC ("JHW Iliad II," and, collectively with PSA Healthcare, JHW Iliad, JHW Iliad II and PSA Iliad Holdings, the "Stockholder Entities") on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F4 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of JHW VII, PSA Healthcare and PSA Iliad Holdings, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073478 · ownership.xml · nonDerivative · entry 7

J.H. Whitney Equity Partners VII, LLC · CIK 0001567459 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By PSA Iliad Holdings LLC

Disclosed balance after: 1,443,143

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC, PSA Iliad Holdings LLC ("PSA Iliad Holdings," and, collectively with JHW VII and PSA Healthcare, the "Stockholder Entities") and JHW Iliad Holdings II LLC on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F4 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare, and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of the Stockholder Entities, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073478 · ownership.xml · nonDerivative · entry 5

J.H. Whitney Equity Partners VII, LLC · CIK 0001567459 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By PSA Healthcare Investment Holding LLC

Disclosed balance after: 15,588,582

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC, PSA Iliad Holdings LLC ("PSA Iliad Holdings," and, collectively with JHW VII and PSA Healthcare, the "Stockholder Entities") and JHW Iliad Holdings II LLC on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F4 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare, and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of the Stockholder Entities, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

SEC source: 0000950170-25-073478 · ownership.xml · nonDerivative · entry 3

J.H. Whitney Equity Partners VII, LLC · CIK 0001567459 · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By J.H. Whitney VII, L.P.

Disclosed balance after: 31,201,456

F1 · shares: The reported sale occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by J.H. Whitney VII, L.P. ("JHW VII"), PSA Healthcare Investment Holding LLC ("PSA Healthcare"), JHW Iliad Holdings LLC, PSA Iliad Holdings LLC ("PSA Iliad Holdings," and, collectively with JHW VII and PSA Healthcare, the "Stockholder Entities") and JHW Iliad Holdings II LLC on December 13, 2024.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.84 to $5.96. The reporting persons hereby undertake to provide, upon request, to the staff of the SEC, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F4 · ownership.nature: J.H. Whitney Equity Partners VII, LLC ("Equity Partners VII") is the general partner of JHW VII and Whitney Strategic Partners VII, L.P. ("Strategic Partners VII"). Strategic Partners VII is the managing member of each of PSA Healthcare, and PSA Iliad Holdings. As a result, Equity Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of the Stockholder Entities, and Strategic Partners VII may be deemed to share voting and dispositive power with respect to the shares held by each of PSA Healthcare and PSA Iliad Holdings. Each of Equity Partners VII and Strategic Partners VII disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.