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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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if any."}],"balance_after":43900,"source":{"system":"sec-edgar","filing":"0001844320-26-000013","document":"wk-form4_1783368657.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1844320/000184432026000013/wk-form4_1783368657.xml","form_type":"4"}},{"id":715436,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":18435,"kind":"person","name":"Schlosser Mario","position":1,"cik":"0001844320","reported_name":"Schlosser Mario","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-06T20:11:00.000Z","date":"2026-07-01","kind":"exercise","planned":true,"acquired":true,"shares":47500,"ownership":{"direct":false,"nature":"By Pizzo-Schlosser Family Dynasty Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if any."}],"balance_after":47500,"source":{"system":"sec-edgar","filing":"0001844320-26-000013","document":"wk-form4_1783368657.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1844320/000184432026000013/wk-form4_1783368657.xml","form_type":"4"}},{"id":720817,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":14776,"kind":"person","name":"Bertolini Mark T","position":1,"cik":"0001352552","reported_name":"Bertolini Mark T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2026-07-01T20:16:58.000Z","date":"2026-06-30","kind":"sale","planned":true,"acquired":false,"shares":135590,"price":28.97,"value":3928042.3,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents sale of shares to satisfy tax withholding obligations in connection with the deferred settlement of performance stock units that vested on April 3, 2026. The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on November 10, 2025 and amended and restated on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.78 to $29.29, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares to be issued in connection with the vesting of one or more restricted stock units."}],"balance_after":7751570,"source":{"system":"sec-edgar","filing":"0001568651-26-000060","document":"wk-form4_1782937015.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1352552/000156865126000060/wk-form4_1782937015.xml","form_type":"4"}},{"id":720816,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":14776,"kind":"person","name":"Bertolini Mark T","position":1,"cik":"0001352552","reported_name":"Bertolini Mark T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2026-07-01T20:16:58.000Z","date":"2026-06-30","kind":"sale","planned":true,"acquired":false,"shares":488654,"price":28.35,"value":13853340.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents sale of shares to satisfy tax withholding obligations in connection with the deferred settlement of performance stock units that vested on April 3, 2026. The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on November 10, 2025 and amended and restated on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.78 to $28.77, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares to be issued in connection with the vesting of one or more restricted stock units."}],"balance_after":7887160,"source":{"system":"sec-edgar","filing":"0001568651-26-000060","document":"wk-form4_1782937015.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1352552/000156865126000060/wk-form4_1782937015.xml","form_type":"4"}},{"id":720815,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":14776,"kind":"person","name":"Bertolini Mark T","position":1,"cik":"0001352552","reported_name":"Bertolini Mark T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2026-07-01T20:16:58.000Z","date":"2026-06-29","kind":"sale","planned":true,"acquired":false,"shares":58926,"price":30.08,"value":1772494.08,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents sale of shares to satisfy tax withholding obligations in connection with the deferred settlement of performance stock units that vested on April 3, 2026. The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on November 10, 2025 and amended and restated on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.74 to $30.61, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares to be issued in connection with the vesting of one or more restricted stock units."}],"balance_after":8375814,"source":{"system":"sec-edgar","filing":"0001568651-26-000060","document":"wk-form4_1782937015.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1352552/000156865126000060/wk-form4_1782937015.xml","form_type":"4"}},{"id":720814,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":14776,"kind":"person","name":"Bertolini Mark T","position":1,"cik":"0001352552","reported_name":"Bertolini Mark T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2026-07-01T20:16:58.000Z","date":"2026-06-29","kind":"sale","planned":true,"acquired":false,"shares":555826,"price":29.17,"value":16213444.42,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents sale of shares to satisfy tax withholding obligations in connection with the deferred settlement of performance stock units that vested on April 3, 2026. The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on November 10, 2025 and amended and restated on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.74 to $29.73, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares to be issued in connection with the vesting of one or more restricted stock units."}],"balance_after":8434740,"source":{"system":"sec-edgar","filing":"0001568651-26-000060","document":"wk-form4_1782937015.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1352552/000156865126000060/wk-form4_1782937015.xml","form_type":"4"}},{"id":723811,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":14776,"kind":"person","name":"Bertolini Mark T","position":1,"cik":"0001352552","reported_name":"Bertolini Mark T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-29T20:17:05.000Z","date":"2026-06-26","kind":"sale","planned":true,"acquired":false,"shares":149795,"price":29.79,"value":4462393.05,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents sale of shares to satisfy tax withholding obligations in connection with the deferred settlement of performance stock units and time-based restricted stock units that vested on April 3, 2026. The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on November 10, 2025 and amended and restated on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.51 to $30.17, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares to be issued in connection with the vesting of one or more restricted stock units."}],"balance_after":8990566,"source":{"system":"sec-edgar","filing":"0001352552-26-000010","document":"wk-form4_1782764222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1352552/000135255226000010/wk-form4_1782764222.xml","form_type":"4"}},{"id":723810,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":14776,"kind":"person","name":"Bertolini Mark T","position":1,"cik":"0001352552","reported_name":"Bertolini Mark T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-29T20:17:05.000Z","date":"2026-06-26","kind":"sale","planned":true,"acquired":false,"shares":441373,"price":29.11,"value":12848368.03,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents sale of shares to satisfy tax withholding obligations in connection with the deferred settlement of performance stock units and time-based restricted stock units that vested on April 3, 2026. The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on November 10, 2025 and amended and restated on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.51 to $29.50, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares to be issued in connection with the vesting of one or more restricted stock units."}],"balance_after":9140361,"source":{"system":"sec-edgar","filing":"0001352552-26-000010","document":"wk-form4_1782764222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1352552/000135255226000010/wk-form4_1782764222.xml","form_type":"4"}},{"id":723809,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":14776,"kind":"person","name":"Bertolini Mark T","position":1,"cik":"0001352552","reported_name":"Bertolini Mark T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-29T20:17:05.000Z","date":"2026-06-25","kind":"sale","planned":true,"acquired":false,"shares":17200,"price":29.08,"value":500176.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents sale of shares to satisfy tax withholding obligations in connection with the deferred settlement of performance stock units and time-based restricted stock units that vested on April 3, 2026. The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on November 10, 2025 and amended and restated on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.06 to $29.19, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares to be issued in connection with the vesting of one or more restricted stock units."}],"balance_after":9581734,"source":{"system":"sec-edgar","filing":"0001352552-26-000010","document":"wk-form4_1782764222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1352552/000135255226000010/wk-form4_1782764222.xml","form_type":"4"}},{"id":723808,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":14776,"kind":"person","name":"Bertolini Mark T","position":1,"cik":"0001352552","reported_name":"Bertolini Mark T","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-29T20:17:05.000Z","date":"2026-06-25","kind":"sale","planned":true,"acquired":false,"shares":597942,"price":28.6,"value":17101141.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents sale of shares to satisfy tax withholding obligations in connection with the deferred settlement of performance stock units and time-based restricted stock units that vested on April 3, 2026. The sale was effected pursuant to a Rule 10b5-1 instruction letter entered into on November 10, 2025 and amended and restated on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.06 to $29.05, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes shares to be issued in connection with the vesting of one or more restricted stock units."}],"balance_after":9598934,"source":{"system":"sec-edgar","filing":"0001352552-26-000010","document":"wk-form4_1782764222.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1352552/000135255226000010/wk-form4_1782764222.xml","form_type":"4"}},{"id":726527,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":18435,"kind":"person","name":"Schlosser 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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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if 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These shares were sold in multiple transactions at prices ranging from $29.08 to $30.04, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if any."}],"balance_after":97,"source":{"system":"sec-edgar","filing":"0001844320-26-000011","document":"wk-form4_1782418619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1844320/000184432026000011/wk-form4_1782418619.xml","form_type":"4"}},{"id":726519,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":18435,"kind":"person","name":"Schlosser Mario","position":1,"cik":"0001844320","reported_name":"Schlosser Mario","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-25T20:17:04.000Z","date":"2026-06-23","kind":"sale","planned":true,"acquired":false,"shares":15491,"price":28.95,"value":448464.45,"ownership":{"direct":false,"nature":"By Pizzo-Schlosser Family Dynasty Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.08 to $29.07, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if any."}],"balance_after":32009,"source":{"system":"sec-edgar","filing":"0001844320-26-000011","document":"wk-form4_1782418619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1844320/000184432026000011/wk-form4_1782418619.xml","form_type":"4"}},{"id":726518,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":18435,"kind":"person","name":"Schlosser Mario","position":1,"cik":"0001844320","reported_name":"Schlosser Mario","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-25T20:17:04.000Z","date":"2026-06-23","kind":"exercise","planned":true,"acquired":true,"shares":47500,"ownership":{"direct":false,"nature":"By Pizzo-Schlosser Family Dynasty Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if any."}],"balance_after":47500,"source":{"system":"sec-edgar","filing":"0001844320-26-000011","document":"wk-form4_1782418619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1844320/000184432026000011/wk-form4_1782418619.xml","form_type":"4"}},{"id":726517,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":18435,"kind":"person","name":"Schlosser Mario","position":1,"cik":"0001844320","reported_name":"Schlosser Mario","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-25T20:17:04.000Z","date":"2026-06-23","kind":"sale","planned":true,"acquired":false,"shares":102,"price":30.09,"value":3069.18,"ownership":{"direct":false,"nature":"By Siena Pizzo-Schlosser Dynasty Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if any."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001844320-26-000011","document":"wk-form4_1782418619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1844320/000184432026000011/wk-form4_1782418619.xml","form_type":"4"}},{"id":726516,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":18435,"kind":"person","name":"Schlosser Mario","position":1,"cik":"0001844320","reported_name":"Schlosser Mario","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-25T20:17:04.000Z","date":"2026-06-23","kind":"sale","planned":true,"acquired":false,"shares":33592,"price":29.58,"value":993651.36,"ownership":{"direct":false,"nature":"By Siena Pizzo-Schlosser Dynasty Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.08 to $30.04, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if any."}],"balance_after":102,"source":{"system":"sec-edgar","filing":"0001844320-26-000011","document":"wk-form4_1782418619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1844320/000184432026000011/wk-form4_1782418619.xml","form_type":"4"}},{"id":726515,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":18435,"kind":"person","name":"Schlosser Mario","position":1,"cik":"0001844320","reported_name":"Schlosser Mario","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-25T20:17:04.000Z","date":"2026-06-23","kind":"sale","planned":true,"acquired":false,"shares":16306,"price":28.95,"value":472058.7,"ownership":{"direct":false,"nature":"By Siena Pizzo-Schlosser Dynasty Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.08 to $29.07, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if any."}],"balance_after":33694,"source":{"system":"sec-edgar","filing":"0001844320-26-000011","document":"wk-form4_1782418619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1844320/000184432026000011/wk-form4_1782418619.xml","form_type":"4"}},{"id":726514,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":18435,"kind":"person","name":"Schlosser Mario","position":1,"cik":"0001844320","reported_name":"Schlosser Mario","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-25T20:17:04.000Z","date":"2026-06-23","kind":"exercise","planned":true,"acquired":true,"shares":50000,"ownership":{"direct":false,"nature":"By Siena Pizzo-Schlosser Dynasty Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if any."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001844320-26-000011","document":"wk-form4_1782418619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1844320/000184432026000011/wk-form4_1782418619.xml","form_type":"4"}},{"id":726513,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":18435,"kind":"person","name":"Schlosser Mario","position":1,"cik":"0001844320","reported_name":"Schlosser Mario","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-25T20:17:04.000Z","date":"2026-06-23","kind":"sale","planned":true,"acquired":false,"shares":102,"price":30.09,"value":3069.18,"ownership":{"direct":false,"nature":"By Noah Pizzo-Schlosser Dynasty Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Mr. Schlosser disclaims beneficial ownership over the shares held of record by the trust except to the extent of his pecuniary interest therein, if any."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001844320-26-000011","document":"wk-form4_1782418619.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1844320/000184432026000011/wk-form4_1782418619.xml","form_type":"4"}},{"id":726512,"issuer":{"id":3582,"kind":"organization","name":"Oscar Health, Inc.","symbol":"OSCR"},"owners":[{"id":18435,"kind":"person","name":"Schlosser Mario","position":1,"cik":"0001844320","reported_name":"Schlosser Mario","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-25T20:17:04.000Z","date":"2026-06-23","kind":"sale","planned":true,"acquired":false,"shares":33591,"price":29.58,"value":993621.78,"ownership":{"direct":false,"nature":"By Noah Pizzo-Schlosser Dynasty Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on March 24, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.08 to $30.04, inclusive. 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These shares were sold in multiple transactions at prices ranging from $28.08 to $29.07, inclusive. 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