SCHEDULE 13G/A 0001602189 XXXXXXXX LIVE 2 Class A Common Stock, par value $0.00001 per share 12/31/2025 0001568651 Oscar Health, Inc. 687793109 75 Varick Street 5th Floor New York NY 10013 Rule 13d-1(b) Marc Stad X1 0 657435 0 657435 657435 N 0.3 IN HC The number of shares outstanding for purposes of the percentage calculation in Item 11 is based on 229,010,000 shares of Class A Common Stock outstanding as of October 31, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2025, filed with the SEC on November 6, 2025. Dragoneer Investment Group, LLC DE 0 657435 0 657435 657435 N 0.3 IA OO The number of shares outstanding for purposes of the percentage calculation in Item 11 is based on 229,010,000 shares of Class A Common Stock outstanding as of October 31, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2025, filed with the SEC on November 6, 2025. Oscar Health, Inc. 75 Varick Street, 5th Floor, New York, New York 10013 Marc Stad Dragoneer Investment Group, LLC One Letterman Dr., Bldg D, Ste M500 San Francisco, CA 94129. Marc Stad: United States; Dragoneer Investment Group, LLC: Delaware N HC IA 657,435. 0.3%.The number of shares outstanding for purposes of the percentage calculation in Item 11 is based on 229,010,000 shares of Class A Common Stock outstanding as of October 31, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2025, filed with the SEC on November 6, 2025. 0 Marc Stad: 657,435 Dragoneer Investment Group, LLC: 657,435 0 Marc Stad: 657,435 Dragoneer Investment Group, LLC: 657,435 Dragoneer Investment Group, LLC (the "Dragoneer Adviser") is a registered investment adviser under the Investment Advisers Act of 1940, as amended. As the managing member of Dragoneer Adviser, Cardinal DIG CC, LLC may also be deemed to share voting and dispositive power with respect to the Ordinary Shares. Marc Stad is the sole member of Cardinal DIG CC, LLC. By virtue of these relationships, each of the Reporting Persons may be deemed to share beneficial ownership of the Ordinary Shares of the Issuer. N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Marc Stad Marc Stad 02/17/2026 Dragoneer Investment Group, LLC Pat Robertson 02/17/2026