OSCR

SEC source: 0001844320-26-000006 · primarydocument.xml · nonDerivative · entry 1

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 373,218

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on September 23, 2025.

F2 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001214606-26-000003 · primarydocument.xml · derivative · entry 1

BOYD JEFFERY H · CIK 0001214606 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,248

Underlying: Class A Common Stock · 3,106 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a right to receive one share of the Issuer's Class A common stock.

F2 · price: The Reporting Person elected, pursuant to the Issuer's Amended and Restated Deferred Compensation Plan for Directors, to receive deferred stock units in lieu of cash retainer payments for service on the Issuer's board of directors. The price of the deferred stock units reported herein represents the closing price of the Issuer's Class A common stock on January 8, 2026, which price was used to calculate the number of deferred stock units issued to the Reporting Person.

F3 · derivative.exercise_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

F3 · derivative.expiration_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

SEC source: 0001954883-26-000002 · primarydocument.xml · derivative · entry 1

Gassen William · CIK 0001954883 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,969

Underlying: Class A Common Stock · 1,220 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a right to receive one share of the Issuer's Class A common stock.

F2 · price: The Reporting Person elected, pursuant to the Issuer's Amended and Restated Deferred Compensation Plan for Directors, to receive deferred stock units in lieu of cash retainer payments for service on the Issuer's board of directors. The price of the deferred stock units reported herein represents the closing price of the Issuer's Class A common stock on January 8, 2026, which price was used to calculate the number of deferred stock units issued to the Reporting Person.

F3 · derivative.exercise_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

F3 · derivative.expiration_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

SEC source: 0001844229-26-000003 · primarydocument.xml · derivative · entry 1

Plouffe David · CIK 0001844229 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,393

Underlying: Class A Common Stock · 1,257 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a right to receive one share of the Issuer's Class A common stock.

F2 · price: The Reporting Person elected, pursuant to the Issuer's Amended and Restated Deferred Compensation Plan for Directors, to receive deferred stock units in lieu of cash retainer payments for service on the Issuer's board of directors. The price of the deferred stock units reported herein represents the closing price of the Issuer's Class A common stock on January 8, 2026, which price was used to calculate the number of deferred stock units issued to the Reporting Person.

F3 · derivative.exercise_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

F3 · derivative.expiration_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

SEC source: 0001844320-26-000004 · primarydocument.xml · derivative · entry 3

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,455,331

Underlying: Class A Common Stock · 76,962 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · shares: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on September 23, 2025.

F2 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F2 · derivative.exercise_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F2 · derivative.expiration_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-26-000004 · primarydocument.xml · nonDerivative · entry 2

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 350,180

F1 · shares: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on September 23, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.00 to $17.05, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001844320-26-000004 · primarydocument.xml · nonDerivative · entry 1

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 427,142

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on September 23, 2025.

F2 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-26-000002 · primarydocument.xml · derivative · entry 6

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,532,293

Underlying: Class A Common Stock · 86,893 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · shares: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on September 23, 2025.

F2 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F2 · derivative.exercise_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F2 · derivative.expiration_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-26-000002 · primarydocument.xml · nonDerivative · entry 4

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 350,180

F1 · shares: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on September 23, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.42 to $15.84, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001844320-26-000002 · primarydocument.xml · nonDerivative · entry 3

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 447,108

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on September 23, 2025.

F2 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-26-000002 · primarydocument.xml · derivative · entry 5

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,619,186

Underlying: Class A Common Stock · 59,800 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · shares: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on September 23, 2025.

F2 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F2 · derivative.exercise_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F2 · derivative.expiration_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-26-000002 · primarydocument.xml · nonDerivative · entry 2

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 360,215

F1 · shares: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on September 23, 2025.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.00 to $15.09, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001844320-26-000002 · primarydocument.xml · nonDerivative · entry 1

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 498,148

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on September 23, 2025.

F2 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-25-000012 · primarydocument.xml · nonDerivative · entry 1

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 438,348

F1 · shares: The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on September 23, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.00 to $15.01, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001911946-25-000006 · primarydocument.xml · nonDerivative · entry 1

Baltrus Victoria · CIK 0001911946 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 203,450

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on August 8, 2025 to satisfy the Reporting Person's tax withholding obligation upon the vesting of previously granted equity awards.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.37 to $16.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001844320-25-000010 · primarydocument.xml · nonDerivative · entry 1

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 477,183

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on August 8, 2025 to satisfy the Reporting Person's tax withholding obligation upon the vesting of previously granted equity awards.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.37 to $16.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001525020-25-000006 · primarydocument.xml · nonDerivative · entry 1

Blackley Richard Scott · CIK 0001525020 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,351,034

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on August 8, 2025 to satisfy the Reporting Person's tax withholding obligation upon the vesting of previously granted equity awards.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.37 to $16.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001842979-25-000010 · primarydocument.xml · nonDerivative · entry 1

McAnaney Adam · CIK 0001842979 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,241

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on August 8, 2025 to satisfy the Reporting Person's tax withholding obligation upon the vesting of previously granted equity awards.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.37 to $16.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001888381-25-000006 · primarydocument.xml · nonDerivative · entry 1

Liang Janet · CIK 0001888381 · President, Oscar Insurance

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 172,527

F1 · shares: The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on August 8, 2025 to satisfy the Reporting Person's tax withholding obligation upon the vesting of previously granted equity awards.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.37 to $16.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001844320-25-000007 · primarydocument.xml · derivative · entry 10

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,678,986

Underlying: Class A Common Stock · 105,300 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.exercise_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.expiration_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-25-000007 · primarydocument.xml · derivative · entry 9

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,784,286

Underlying: Class A Common Stock · 141,330 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.exercise_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.expiration_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-25-000007 · primarydocument.xml · derivative · entry 8

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 141,330 shares

Expires 2025-12-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The stock option is fully vested and exercisable, and expires on December 7, 2025.

SEC source: 0001844320-25-000007 · primarydocument.xml · nonDerivative · entry 4

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 501,148

F2 · kind: The sale was effected to cover the cost of exercise and to satisfy the Reporting Person's tax withholding obligation arising from the stock option exercise reported herein.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.83 to $15.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001844320-25-000007 · primarydocument.xml · nonDerivative · entry 3

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 606,448

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-25-000007 · primarydocument.xml · derivative · entry 7

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,642,956

Underlying: Class A Common Stock · 286,182 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.exercise_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.expiration_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-25-000007 · primarydocument.xml · derivative · entry 6

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,929,138

Underlying: Class A Common Stock · 413,835 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.exercise_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.expiration_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-25-000007 · primarydocument.xml · derivative · entry 5

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,330

Underlying: Class B Common Stock · 413,835 shares

Expires 2025-12-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The stock option is fully vested and exercisable, and expires on December 7, 2025.

SEC source: 0001844320-25-000007 · primarydocument.xml · nonDerivative · entry 2

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 501,148

F2 · kind: The sale was effected to cover the cost of exercise and to satisfy the Reporting Person's tax withholding obligation arising from the stock option exercise reported herein.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.00 to $15.50, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001844320-25-000007 · primarydocument.xml · nonDerivative · entry 1

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 787,330

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001214606-25-000006 · primarydocument.xml · derivative · entry 1

BOYD JEFFERY H · CIK 0001214606 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,142

Underlying: Class A Common Stock · 2,555 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a right to receive one share of the Issuer's Class A common stock.

F2 · price: The Reporting Person elected, pursuant to the Issuer's Amended and Restated Deferred Compensation Plan for Directors, to receive deferred stock units in lieu of cash retainer payments for service on the Issuer's board of directors. The price of the deferred stock units reported herein represents the closing price of the Issuer's Class A common stock on October 9, 2025, which price was used to calculate the number of deferred stock units issued to the Reporting Person.

F3 · derivative.exercise_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

F3 · derivative.expiration_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

SEC source: 0001954883-25-000003 · primarydocument.xml · derivative · entry 1

Gassen William · CIK 0001954883 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,749

Underlying: Class A Common Stock · 1,004 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a right to receive one share of the Issuer's Class A common stock.

F2 · price: The Reporting Person elected, pursuant to the Issuer's Amended and Restated Deferred Compensation Plan for Directors, to receive deferred stock units in lieu of cash retainer payments for service on the Issuer's board of directors. The price of the deferred stock units reported herein represents the closing price of the Issuer's Class A common stock on October 9, 2025, which price was used to calculate the number of deferred stock units issued to the Reporting Person.

F3 · derivative.exercise_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

F3 · derivative.expiration_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

SEC source: 0001844229-25-000003 · primarydocument.xml · derivative · entry 1

Plouffe David · CIK 0001844229 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,136

Underlying: Class A Common Stock · 1,034 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a right to receive one share of the Issuer's Class A common stock.

F2 · price: The Reporting Person elected, pursuant to the Issuer's Amended and Restated Deferred Compensation Plan for Directors, to receive deferred stock units in lieu of cash retainer payments for service on the Issuer's board of directors. The price of the deferred stock units reported herein represents the closing price of the Issuer's Class A common stock on October 9, 2025, which price was used to calculate the number of deferred stock units issued to the Reporting Person.

F3 · derivative.exercise_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

F3 · derivative.expiration_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

SEC source: 0001844320-25-000005 · primarydocument.xml · derivative · entry 5

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,515,303

Underlying: Class A Common Stock · 395,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.exercise_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.expiration_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-25-000005 · primarydocument.xml · derivative · entry 4

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,910,303

Underlying: Class A Common Stock · 555,165 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.exercise_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

F1 · derivative.expiration_date: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001844320-25-000005 · primarydocument.xml · derivative · entry 3

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 555,165

Underlying: Class B Common Stock · 555,165 shares

Expires 2025-12-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The stock option is fully vested and exercisable, and expires on December 7, 2025.

SEC source: 0001844320-25-000005 · primarydocument.xml · nonDerivative · entry 2

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 501,148

F2 · kind: The sale was effected to cover the cost of exercise and to satisfy the Reporting Person's tax withholding obligation arising from the stock option exercise reported herein.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.25 to $18.78, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price at which the transactions were effected.

SEC source: 0001844320-25-000005 · primarydocument.xml · nonDerivative · entry 1

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 896,148

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Class B common stock is convertible at any time at the option of the holder into Class A common stock on a one-to-one basis, subject to certain exceptions, and will mandatorily convert into Class A common stock on the date that is seven years from the date of the prospectus used in connection with the Issuer's initial public offering and upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation.

SEC source: 0001911946-25-000004 · primarydocument.xml · nonDerivative · entry 1

Baltrus Victoria · CIK 0001911946 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 207,599

F1 · shares: Reflects shares of Class A common stock withheld by the Issuer to satisfy tax withholding obligations incident to vesting of restricted stock units ("RSUs").

F2 · balance_after: Includes shares to be issued in connection with the vesting of one or more restricted stock units.

SEC source: 0001844320-25-000003 · primarydocument.xml · nonDerivative · entry 1

Schlosser Mario · CIK 0001844320 · Director · President of Technology & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 501,148

F1 · shares: Reflects shares of Class A common stock withheld by the Issuer to satisfy tax withholding obligations incident to vesting of restricted stock units ("RSUs").

F2 · balance_after: Includes shares to be issued in connection with the vesting of one or more restricted stock units.

SEC source: 0001525020-25-000004 · primarydocument.xml · nonDerivative · entry 1

Blackley Richard Scott · CIK 0001525020 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,376,169

F1 · shares: Reflects shares of Class A common stock withheld by the Issuer to satisfy tax withholding obligations incident to vesting of restricted stock units ("RSUs").

F2 · balance_after: Includes shares to be issued in connection with the vesting of one or more restricted stock units.

SEC source: 0001888381-25-000004 · primarydocument.xml · nonDerivative · entry 1

Liang Janet · CIK 0001888381 · President, Oscar Insurance

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 179,865

F1 · shares: Reflects shares of Class A common stock withheld by the Issuer to satisfy tax withholding obligations incident to vesting of restricted stock units("RSUs").

F2 · balance_after: Includes shares to be issued in connection with the vesting of one or more restricted stock units.

SEC source: 0001842979-25-000007 · primarydocument.xml · nonDerivative · entry 1

McAnaney Adam · CIK 0001842979 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 181,093

F1 · shares: Reflects shares of Class A common stock withheld by the Issuer to satisfy tax withholding obligations incident to vesting of restricted stock units ("RSUs").

F2 · balance_after: Includes shares to be issued in connection with the vesting of one or more restricted stock units.

SEC source: 0001562180-25-005404 · primarydocument.xml · derivative · entry 1

BOYD JEFFERY H · CIK 0001214606 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,587

Underlying: Class A Common Stock · 3,380 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a right to receive one share of the Issuer's Class A common stock.

F2 · price: The Reporting Person elected, pursuant to the Issuer's Amended and Restated Deferred Compensation Plan for Directors, to receive deferred stock units in lieu of cash retainer payments for service on the Issuer's board of directors. The price of the deferred stock units reported herein represents the closing price of the Issuer's Class A common stock on July 10, 2025, which price was used to calculate the number of deferred stock units issued to the Reporting Person.

F3 · derivative.exercise_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

F3 · derivative.expiration_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

SEC source: 0001562180-25-005406 · primarydocument.xml · derivative · entry 1

Plouffe David · CIK 0001844229 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,102

Underlying: Class A Common Stock · 1,368 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a right to receive one share of the Issuer's Class A common stock.

F2 · price: The Reporting Person elected, pursuant to the Issuer's Amended and Restated Deferred Compensation Plan for Directors, to receive deferred stock units in lieu of cash retainer payments for service on the Issuer's board of directors. The price of the deferred stock units reported herein represents the closing price of the Issuer's Class A common stock on July 10, 2025, which price was used to calculate the number of deferred stock units issued to the Reporting Person.

F3 · derivative.exercise_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

F3 · derivative.expiration_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

SEC source: 0001562180-25-005405 · primarydocument.xml · derivative · entry 1

Gassen William · CIK 0001954883 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,745

Underlying: Class A Common Stock · 1,215 shares

Expires not disclosed

F1 · derivative.exercise_price: Each deferred stock unit represents a right to receive one share of the Issuer's Class A common stock.

F2 · price: The Reporting Person elected, pursuant to the Issuer's Amended and Restated Deferred Compensation Plan for Directors, to receive deferred stock units in lieu of cash retainer payments for service on the Issuer's board of directors. The price of the deferred stock units reported herein represents the closing price of the Issuer's Class A common stock on July 10, 2025, which price was used to calculate the number of deferred stock units issued to the Reporting Person.

F3 · derivative.exercise_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

F3 · derivative.expiration_date: The deferred stock units will be settled for cash or shares of Class A common stock, in the Issuer's discretion, within 45 days of the first to occur of (i) termination of service; (ii) a change in control; (iii) death; or (iv) disability. Deferred stock units issued in lieu of a cash retainer payment are 100% vested on the grant date.

SEC source: 0001562180-25-004567 · primarydocument.xml · nonDerivative · entry 1

Lang Laura W · CIK 0001296589 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,365

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Oscar Health, Inc. (the "Issuer") Class A common stock. The RSUs vest on the earlier to occur of (i) the one-year anniversary of the grant date and (ii) the date of the next annual meeting of stockholders of the Issuer following the grant date, subject to continued service through the applicable vesting date. To the extent vested, the RSUs will be settled in shares of the Issuer's Class A common stock on the earliest of (i) the six-month anniversary of the director's separation from service, death or disability and (ii) within five days following a change in control of the Issuer.

SEC source: 0001562180-25-004565 · primarydocument.xml · nonDerivative · entry 1

WITTMAN VANESSA AMES · CIK 0001229265 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,646

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Oscar Health, Inc. (the "Issuer") Class A common stock. The RSUs vest on the earlier to occur of (i) the one-year anniversary of the grant date and (ii) the date of the next annual meeting of stockholders of the Issuer following the grant date, subject to continued service through the applicable vesting date. To the extent vested, the RSUs will be settled in shares of the Issuer's Class A common stock on the earliest of (i) the six-month anniversary of the director's separation from service, death or disability and (ii) within five days following a change in control of the Issuer.

SEC source: 0001562180-25-004568 · primarydocument.xml · nonDerivative · entry 1

BOYD JEFFERY H · CIK 0001214606 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 705,673

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Oscar Health, Inc. (the "Issuer") Class A common stock. The RSUs vest on the earlier to occur of (i) the one-year anniversary of the grant date and (ii) the date of the next annual meeting of stockholders of the Issuer following the grant date, subject to continued service through the applicable vesting date. To the extent vested, the RSUs will be settled in shares of the Issuer's Class A common stock on the earliest of (i) the six-month anniversary of the director's separation from service, death or disability and (ii) within five days following a change in control of the Issuer.

SEC source: 0001562180-25-004564 · primarydocument.xml · nonDerivative · entry 1

Sankaran Sid · CIK 0001509066 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,134

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Oscar Health, Inc. (the "Issuer") Class A common stock. The RSUs vest on the earlier to occur of (i) the one-year anniversary of the grant date and (ii) the date of the next annual meeting of stockholders of the Issuer following the grant date, subject to continued service through the applicable vesting date. To the extent vested, the RSUs will be settled in shares of the Issuer's Class A common stock on the earliest of (i) the six-month anniversary of the director's separation from service, death or disability and (ii) within five days following a change in control of the Issuer.

SEC source: 0001562180-25-004566 · primarydocument.xml · nonDerivative · entry 1

Plouffe David · CIK 0001844229 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,646

F1 · shares: Consists of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Oscar Health, Inc. (the "Issuer") Class A common stock. The RSUs vest on the earlier to occur of (i) the one-year anniversary of the grant date and (ii) the date of the next annual meeting of stockholders of the Issuer following the grant date, subject to continued service through the applicable vesting date. To the extent vested, the RSUs will be settled in shares of the Issuer's Class A common stock on the earliest of (i) the six-month anniversary of the director's separation from service, death or disability and (ii) within five days following a change in control of the Issuer.