BFLY

SEC source: 0002064832-26-000115 · form4.xml · nonDerivative · entry 1

DEVIVO JOSEPH · CIK 0001258790 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,030,899

F1 · kind: The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.62-$3.895 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0002064832-26-000107 · form4.xml · nonDerivative · entry 2

Cashman Steve · CIK 0002035576 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,377,386

F2 · kind: The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

F3 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.575-$3.80 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0002064832-26-000106 · form4.xml · nonDerivative · entry 2

DEVIVO JOSEPH · CIK 0001258790 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,513,048

F2 · kind: The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

F3 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.575-$3.80 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0002064832-26-000105 · form4.xml · nonDerivative · entry 2

Caezza Nicholas · CIK 0002080056 · Deputy General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 312,040

F3 · kind: The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.575-$3.80 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0002064832-26-000104 · form4.xml · nonDerivative · entry 2

Carlson Megan · CIK 0002080055 · CAO and SVP, Finance

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 617,631

F3 · kind: The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.575-$3.80 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0002064832-26-000108 · form4.xml · nonDerivative · entry 1

Ku Victor · CIK 0002087062 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,099,288

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A Common Stock upon vesting. The RSUs vest in three equal annual installments beginning on March 1, 2027, subject to the Reporting Person's continued service on each such vesting date.

SEC source: 0002064832-26-000107 · form4.xml · nonDerivative · entry 1

Cashman Steve · CIK 0002035576 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,419,926

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A Common Stock upon vesting. The RSUs vest in three equal annual installments beginning on March 1, 2027, subject to the Reporting Person's continued service on each such vesting date.

SEC source: 0002064832-26-000106 · form4.xml · nonDerivative · entry 1

DEVIVO JOSEPH · CIK 0001258790 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,674,323

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A Common Stock upon vesting. The RSUs vest in three equal annual installments beginning on March 1, 2027, subject to the Reporting Person's continued service on each such vesting date.

SEC source: 0002064832-26-000109 · form4.xml · nonDerivative · entry 1

Doherty John N. · CIK 0001645756 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,509,641

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A Common Stock upon vesting. The RSUs vest in three equal annual installments beginning on March 1, 2027, subject to the Reporting Person's continued service on each such vesting date.

SEC source: 0002064832-26-000105 · form4.xml · nonDerivative · entry 1

Caezza Nicholas · CIK 0002080056 · Deputy General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 326,249

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A Common Stock upon vesting. The RSUs vest in three equal annual installments beginning on March 1, 2027, subject to the Reporting Person's continued service on each such vesting date.

F2 · balance_after: Includes 5,855 shares acquired under the Issuer's employee stock purchase plan on December 31, 2025.

SEC source: 0002064832-26-000104 · form4.xml · nonDerivative · entry 1

Carlson Megan · CIK 0002080055 · CAO and SVP, Finance

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 659,609

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A Common Stock upon vesting. The RSUs vest in three equal annual installments beginning on March 1, 2027, subject to the Reporting Person's continued service on each such vesting date.

F2 · balance_after: Includes 14,282 shares acquired under the Issuer's employee stock purchase plan on December 31, 2025.

SEC source: 0002064832-26-000067 · form4.xml · nonDerivative · entry 1

Cashman Steve · CIK 0002035576 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,931,884

F1 · kind: The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2025.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.99-$4.955 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0001104659-26-002226 · tm262671-1_4seq1.xml · nonDerivative · entry 3

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JAR TR, LLC

Disclosed balance after: 0

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F5 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $4.04 to $4.2828 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-26-002226 · tm262671-1_4seq1.xml · nonDerivative · entry 2

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JAR TR, LLC

Disclosed balance after: 335,834

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $4.00 to $4.2758 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0002064832-26-000004 · form4.xml · nonDerivative · entry 1

Doherty John N. · CIK 0001645756 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,234,688

F1 · kind: The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.915 to $4.055 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0001104659-26-002226 · tm262671-1_4seq1.xml · nonDerivative · entry 1

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JAR TR, LLC

Disclosed balance after: 788,563

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $4.00 to $4.0897 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0002064832-26-000002 · form4.xml · nonDerivative · entry 1

Ku Victor · CIK 0002087062 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 811,962

F1 · kind: The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.765 to $3.91 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0001104659-25-124835 · tm2534429-1_4seq1.xml · nonDerivative · entry 3

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JAR TR, LLC

Disclosed balance after: 1,140,180

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $4.00 to $4.02 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-124835 · tm2534429-1_4seq1.xml · nonDerivative · entry 2

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JAR TR, LLC

Disclosed balance after: 1,155,091

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-124835 · tm2534429-1_4seq1.xml · nonDerivative · entry 1

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JAR TR, LLC

Disclosed balance after: 1,157,764

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $4.00 to $4.0243 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-122127 · tm2533793-1_4seq1.xml · nonDerivative · entry 4

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JAR TR, LLC

Disclosed balance after: 1,202,545

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.265 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-122127 · tm2533793-1_4seq1.xml · nonDerivative · entry 3

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By NVR TR, LLC

Disclosed balance after: 0

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.265 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-122127 · tm2533793-1_4seq1.xml · nonDerivative · entry 2

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By EJR TR, LLC

Disclosed balance after: 0

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.265 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-122127 · tm2533793-1_4seq1.xml · nonDerivative · entry 1

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By NVR TR, LLC

Disclosed balance after: 196,662

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.2373 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0002064832-25-000087 · form4.xml · nonDerivative · entry 1

Phanstiel S. Louise · CIK 0001471518 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By The Phanstiel Trust u/a/d 2/5/02

Disclosed balance after: 185,261

F1 · price: Represents the weighted average purchase price per share. The shares were purchased at prices ranging from $3.015 to $3.15 per share. Full information regarding the number of shares purchased at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0001104659-25-120751 · tm2533407-1_4seq1.xml · nonDerivative · entry 4

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JNR TR, LLC

Disclosed balance after: 0

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F5 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.13 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-120751 · tm2533407-1_4seq1.xml · nonDerivative · entry 3

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By EJR TR, LLC

Disclosed balance after: 50,360

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F5 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.13 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-120751 · tm2533407-1_4seq1.xml · nonDerivative · entry 2

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By EJR TR, LLC

Disclosed balance after: 132,622

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.1089 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0000905148-25-004355 · form4.xml · nonDerivative · entry 1

ROBBINS LARRY · CIK 0001228603 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 14,335,055

F1 · shares: These shares of the Issuer's Common Stock, par value $0.0001 per share (the "Shares") were purchased by Glenview Capital Master Fund, Ltd., Glenview Offshore Opportunity Master Fund, Ltd. and Glenview Healthcare Master Fund, L.P. (collectively, the "Glenview Investment Funds").

F2 · price: This price reflects the weighted average price for open-market purchases of Shares on December 11, 2025 within a $1.00 range. The actual prices for these transactions range from $3.015 to $3.02, inclusive. Mr. Robbins further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares purchased at each separate price.

F3 · ownership.nature: The Glenview Investment Funds are the record holders of these Shares. Mr. Robbins is the Founder, Portfolio Manager and CEO of Glenview Capital Management, LLC, which serves as investment manager to each of the Glenview Investment Funds. Mr. Robbins shares voting and dispositive power over the Shares held by the Glenview Investment Funds and may be deemed to beneficially own such Shares.

F5 · ownership.nature: Mr. Robbins disclaims beneficial ownership over any securities owned by Longview and the Glenview Investment Funds other than to the extent of any pecuniary interest he may have therein.

SEC source: 0001104659-25-120751 · tm2533407-1_4seq1.xml · nonDerivative · entry 1

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By EJR TR, LLC

Disclosed balance after: 255,976

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.19 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-120080 · tm2533238-1_4seq1.xml · nonDerivative · entry 3

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JNR TR, LLC

Disclosed balance after: 111,031

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.16 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-120080 · tm2533238-1_4seq1.xml · nonDerivative · entry 2

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JNR TR, LLC

Disclosed balance after: 287,101

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.23 to $3.3845 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-25-120080 · tm2533238-1_4seq1.xml · nonDerivative · entry 1

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By GBR TR, LLC

Disclosed balance after: 0

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.23 to $3.3845 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0002064832-25-000083 · form4.xml · nonDerivative · entry 2

Doherty John N. · CIK 0001645756 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,294,870

F2 · shares: Consists of performance-based RSUs. The RSUs underlying this grant shall vest as follows: (i) one-third shall vest upon the achievement of a price for the Common Stock equal to or exceeding $3.00 per share, (ii) one-third shall vest upon the achievement of a price for the Common Stock equal to or exceeding $4.50 per share and (iii) one-third shall vest upon the achievement of a price for the Common Stock equal to or exceeding $6.00 per share. In each case, the closing stock price for 20 consecutive trading days must equal or exceed the share price targets, provided such share price is achieved prior to December 8, 2030, subject to the Reporting Person's continued service through the applicable vesting date.

SEC source: 0002064832-25-000083 · form4.xml · nonDerivative · entry 1

Doherty John N. · CIK 0001645756 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 863,247

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A Common Stock ("Common Stock") upon vesting. One-third of the RSUs underlying this grant vest on December 8, 2026, and the remainder shall vest on a pro rata annual basis over the next two years, subject to the Reporting Person's continued service through the applicable vesting date.

SEC source: 0000905148-25-004254 · form4.xml · nonDerivative · entry 3

ROBBINS LARRY · CIK 0001228603 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 14,313,685

F1 · shares: These shares of the Issuer's Common Stock, par value $0.0001 per share (the "Shares") were purchased by Glenview Capital Master Fund, Ltd., Glenview Offshore Opportunity Master Fund, Ltd. and Glenview Healthcare Master Fund, L.P. (collectively, the "Glenview Investment Funds").

F4 · price: This price reflects the weighted average price for open-market purchases of Shares on December 5, 2025 within a $1.00 range. The actual prices for these transactions range from $3.0123 to $3.06, inclusive. Mr. Robbins further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares purchased at each separate price.

F5 · ownership.nature: The Glenview Investment Funds are the record holders of these Shares. Mr. Robbins is the Founder, Portfolio Manager and CEO of Glenview Capital Management, LLC, which serves as investment manager to each of the Glenview Investment Funds. Mr. Robbins shares voting and dispositive power over the Shares held by the Glenview Investment Funds and may be deemed to beneficially own such Shares.

F7 · ownership.nature: Mr. Robbins disclaims beneficial ownership over any securities owned by Longview and the Glenview Investment Funds other than to the extent of any pecuniary interest he may have therein.

SEC source: 0001104659-25-119416 · tm2533037-1_4seq1.xml · nonDerivative · entry 2

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By GBR TR, LLC

Disclosed balance after: 543,601

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.09 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0000905148-25-004254 · form4.xml · nonDerivative · entry 2

ROBBINS LARRY · CIK 0001228603 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 14,113,685

F1 · shares: These shares of the Issuer's Common Stock, par value $0.0001 per share (the "Shares") were purchased by Glenview Capital Master Fund, Ltd., Glenview Offshore Opportunity Master Fund, Ltd. and Glenview Healthcare Master Fund, L.P. (collectively, the "Glenview Investment Funds").

F3 · price: This price reflects the weighted average price for open-market purchases of Shares on December 4, 2025 within a $1.00 range. The actual prices for these transactions range from $2.865 to $3.06, inclusive. Mr. Robbins further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares purchased at each separate price.

F5 · ownership.nature: The Glenview Investment Funds are the record holders of these Shares. Mr. Robbins is the Founder, Portfolio Manager and CEO of Glenview Capital Management, LLC, which serves as investment manager to each of the Glenview Investment Funds. Mr. Robbins shares voting and dispositive power over the Shares held by the Glenview Investment Funds and may be deemed to beneficially own such Shares.

F7 · ownership.nature: Mr. Robbins disclaims beneficial ownership over any securities owned by Longview and the Glenview Investment Funds other than to the extent of any pecuniary interest he may have therein.

SEC source: 0001104659-25-119416 · tm2533037-1_4seq1.xml · nonDerivative · entry 1

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By GBR TR, LLC

Disclosed balance after: 581,199

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.0886 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0000905148-25-004254 · form4.xml · nonDerivative · entry 1

ROBBINS LARRY · CIK 0001228603 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,576,792

F1 · shares: These shares of the Issuer's Common Stock, par value $0.0001 per share (the "Shares") were purchased by Glenview Capital Master Fund, Ltd., Glenview Offshore Opportunity Master Fund, Ltd. and Glenview Healthcare Master Fund, L.P. (collectively, the "Glenview Investment Funds").

F2 · price: This price reflects the weighted average price for open-market purchases of Shares on December 3, 2025 within a $1.00 range. The actual prices for these transactions range from $2.83 to $2.97, inclusive. Mr. Robbins further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares purchased at each separate price.

F5 · ownership.nature: The Glenview Investment Funds are the record holders of these Shares. Mr. Robbins is the Founder, Portfolio Manager and CEO of Glenview Capital Management, LLC, which serves as investment manager to each of the Glenview Investment Funds. Mr. Robbins shares voting and dispositive power over the Shares held by the Glenview Investment Funds and may be deemed to beneficially own such Shares.

F7 · ownership.nature: Mr. Robbins disclaims beneficial ownership over any securities owned by Longview and the Glenview Investment Funds other than to the extent of any pecuniary interest he may have therein.

SEC source: 0002064832-25-000055 · form4.xml · nonDerivative · entry 1

Caezza Nicholas · CIK 0002080056 · Deputy General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 231,035

F1 · kind: The Issuer has adopted a "sell-to-cover" policy to satisfy the tax withholding obligations of the Reporting Person. The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $2.79 to $2.87 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0001104659-25-117826 · tm2532609-1_4seq1.xml · nonDerivative · entry 1

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JNR TR, LLC

Disclosed balance after: 512,827

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.105 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001140361-25-043580 · form4.xml · nonDerivative · entry 7

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By NVR TR, LLC

Disclosed balance after: 797,970

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F5 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.13 to $3.37 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001140361-25-043580 · form4.xml · nonDerivative · entry 6

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By GBR TR, LLC

Disclosed balance after: 645,397

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.16 to $3.27 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001140361-25-043580 · form4.xml · nonDerivative · entry 5

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JNR TR, LLC

Disclosed balance after: 645,397

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.16 to $3.27 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001140361-25-043580 · form4.xml · nonDerivative · entry 4

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By EJR TR, LLC

Disclosed balance after: 544,894

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F4 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.16 to $3.27 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001140361-25-043580 · form4.xml · nonDerivative · entry 3

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By GBR TR, LLC

Disclosed balance after: 870,316

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.15 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001140361-25-043580 · form4.xml · nonDerivative · entry 2

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By JNR TR, LLC

Disclosed balance after: 870,316

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.15 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0001140361-25-043580 · form4.xml · nonDerivative · entry 1

ROTHBERG JONATHAN M · CIK 0001076352 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By EJR TR, LLC

Disclosed balance after: 769,814

F1 · kind: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 5, 2025 for estate planning purposes.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $3.07 to $3.15 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

F3 · ownership.nature: Dr. Rothberg is the Manager of 4C Holdings I, LLC, 4C Holdings II, LLC, 4C Holdings III, LLC, 4C Holdings IV, LLC, 4C Holdings V, LLC, NVR TR, LLC, JNR TR, LLC, JAR TR, LLC, GBR TR, LLC and EJR TR, LLC, and is the spouse of Bonnie E Gould Rothberg MD. Dr. Rothberg disclaims beneficial ownership of the securities held by these persons and entities except to the extent of his pecuniary interest therein.

SEC source: 0000905148-25-004157 · form4.xml · nonDerivative · entry 3

ROBBINS LARRY · CIK 0001228603 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 12,755,144

F1 · shares: These shares of the Issuer's Common Stock, par value $0.0001 per share (the "Shares") were purchased by Glenview Capital Master Fund, Ltd., Glenview Offshore Opportunity Master Fund, Ltd. and Glenview Healthcare Master Fund, L.P. (collectively, the "Glenview Investment Funds").

F4 · price: This price reflects the weighted average price for open-market purchases of Shares on November 21, 2025 within a $1.00 range. The actual prices for these transactions range from $2.355 to $2.65, inclusive. Mr. Robbins further undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of Shares purchased at each separate price.

F5 · ownership.nature: The Glenview Investment Funds are the record holders of these Shares. Mr. Robbins is the Founder, Portfolio Manager and CEO of Glenview Capital Management, LLC, which serves as investment manager to each of the Glenview Investment Funds. Mr. Robbins shares voting and dispositive power over the Shares held by the Glenview Investment Funds and may be deemed to beneficially own such Shares.

F7 · ownership.nature: Mr. Robbins disclaims beneficial ownership over any securities owned by Longview and the Glenview Investment Funds other than to the extent of any pecuniary interest he may have therein.