According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Oscar Health are Director Partners Vii Growth Gp, Llc Thrive (6.34Mn shares), Co Founder And Vice Chairman Joshua Kushner (6.34Mn shares), Chief Executive Officer Mark T Bertolini (2.87Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Joshua Kushner | Co Founder And Vice Chairman | 6,343,617 | 22 Nov, 2024 |
| Partners Vii Growth Gp, Llc Thrive | 6,343,617 | 22 Nov, 2024 | |
| Mark T Bertolini | Chief Executive Officer | 2,866,666 | 07 Apr, 2025 |
| Richard Scott Blackley | Chief Financial Officer | 1,351,034 | 04 Dec, 2025 |
| Sid Sankaran | 809,820 | 06 Jun, 2025 | |
| Jeffery H Boyd | 705,673 | 06 Jun, 2025 | |
| Alessandrea C. Quane | Evp And Chief Insurance Officer | 430,216 | 09 Dec, 2024 |
| Mario Schlosser | President Of Technology & Cto | 350,180 | 12 Jan, 2026 |
| Ranmali Bopitiya | Evp & Chief Legal Officer | 241,488 | 03 Dec, 2024 |
| Victoria Baltrus | Chief Accounting Officer | 203,450 | 04 Dec, 2025 |
| Adam Mcananey | Chief Legal Officer | 179,241 | 04 Dec, 2025 |
| Janet Liang | President And Oscar Insurance | 172,527 | 04 Dec, 2025 |
| Vanessa Ames Wittman | 128,646 | 06 Jun, 2025 | |
| David Plouffe | 128,646 | 06 Jun, 2025 | |
| Steven Wolin | Chief Operating Officer | 102,598 | 03 Dec, 2024 |
| Jr Charles E Phillips | 85,787 | 13 Jun, 2022 | |
| Laura W Lang | 74,365 | 06 Jun, 2025 | |
| William Gassen | 74,365 | 06 Jun, 2025 | |
| Elbert O. Jr. Robinson | 64,512 | 14 May, 2025 | |
| Meghan V. Joyce | Chief Operating Officer | 43,070 | 03 Mar, 2022 |
| Dennis Weaver | Chief Clinical Officer | 27,110 | 05 Dec, 2022 |
| Joel Klein | Chief Policy & Strat. Officer | 17 | 20 Aug, 2021 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 08 Jan, 2026 | Mario Schlosser | Class A Common Stock | A | 23,038 | - | 373,218 | D | C |
| 08 Jan, 2026 | Mario Schlosser | Class A Common Stock | D | 23,038 | $17.65 | 350,180 | D | S |
| 06 Jan, 2026 | Mario Schlosser | Class A Common Stock | D | 76,962 | $17.01 | 350,180 | D | S |
| 06 Jan, 2026 | Mario Schlosser | Class A Common Stock | A | 76,962 | - | 427,142 | D | C |
| 05 Jan, 2026 | Mario Schlosser | Class A Common Stock | A | 86,893 | - | 447,108 | D | C |
| 05 Jan, 2026 | Mario Schlosser | Class A Common Stock | D | 96,928 | $15.64 | 350,180 | D | S |
| 02 Jan, 2026 | Mario Schlosser | Class A Common Stock | D | 137,933 | $15.02 | 360,215 | D | S |
| 02 Jan, 2026 | Mario Schlosser | Class A Common Stock | A | 59,800 | - | 498,148 | D | C |
| 24 Dec, 2025 | Mario Schlosser | Class A Common Stock | D | 38,835 | $15.00 | 438,348 | D | S |
| 02 Dec, 2025 | Richard Scott Blackley | Class A Common Stock | D | 25,135 | $16.59 | 1,351,034 | D | S |
| 02 Dec, 2025 | Adam Mcananey | Class A Common Stock | D | 1,852 | $16.59 | 179,241 | D | S |
| 02 Dec, 2025 | Adam Mcananey | - | - | 179,241 | D | |||
| 02 Dec, 2025 | Mario Schlosser | Class A Common Stock | D | 23,965 | $16.59 | 477,183 | D | S |
| 02 Dec, 2025 | Janet Liang | Class A Common Stock | D | 7,338 | $16.59 | 172,527 | D | S |
| 02 Dec, 2025 | Victoria Baltrus | Class A Common Stock | D | 4,149 | $16.59 | 203,450 | D | S |
| 12 Nov, 2025 | Mario Schlosser | Class A Common Stock | D | 105,300 | $15.05 | 501,148 | D | S |
| 12 Nov, 2025 | Mario Schlosser | Class A Common Stock | A | 105,300 | - | 606,448 | D | C |
| 11 Nov, 2025 | Mario Schlosser | Class A Common Stock | D | 286,182 | $15.27 | 501,148 | D | S |
| 11 Nov, 2025 | Mario Schlosser | Class A Common Stock | A | 286,182 | - | 787,330 | D | C |
| 22 Sep, 2025 | Mario Schlosser | Class A Common Stock | A | 395,000 | - | 896,148 | D | C |