Key facts
- This page summarizes Joshua Kushner's Form 4 filing for Oscar Health, Inc. (OSCR).
- 13 reported transactions and 9 derivative rows are listed below.
- Accepted by SEC: 18 Sep 2026, 20:27.
Joshua Kushner - 18 Sep 2026 Form 4 Insider Report for Oscar Health, Inc. (OSCR)
- Reporting relationship
- Co-Founder and Vice Chairman, Director, 10%+ Owner
- Issuer ticker
- OSCR
- Reported as of
- 18 Sep 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 18 Sep 2026, 20:27:57 UTC
- Prior SEC filing
- 22 Nov 2024
- Source filing
- View source filing
- Reporting owner signature
- /s/ Joshua Kushner
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Joshua Kushner filed Form 4 for Oscar Health, Inc. (OSCR) on 18 Sep 2026.
Change
- Previous filing in this sequence was filed on 22 Nov 2024.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001844181
Primary reporting owner
Kushner Joshua
- Relationship
- Co-Founder and Vice Chairman, Director, 10%+ Owner
- Address
- 75 VARICK STREET, 5TH FLOOR, NEW YORK
- Signature
- /s/ Joshua Kushner
- Signature date
- 18 Sep 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
OSCR
transaction
Class A Common Stock
Other
- Transaction value
- Shares
- -6,268,097
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 18 Sep 2026
- Ownership
- By Thrive Capital Partners VII Growth, L.P.
- Footnotes
- F1, F2, F3
OSCR
transaction
Class A Common Stock
Other
- Transaction value
- Shares
- -75,520
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 18 Sep 2026
- Ownership
- By Claremount VII Associates, L.P.
- Footnotes
- F1, F2, F3
OSCR
transaction
Class A Common Stock
Other
- Transaction value
- Shares
- +1,323,589
- Change %
- Price
- $0.000000*
- Shares after
- 1,323,589
- Date
- 18 Sep 2026
- Ownership
- By Thrive Capital Partners II, L.P.
- Footnotes
- F1, F2, F3
OSCR
transaction
Class A Common Stock
Other
- Transaction value
- Shares
- +4,855,810
- Change %
- Price
- $0.000000*
- Shares after
- 4,855,810
- Date
- 18 Sep 2026
- Ownership
- By Thrive Capital Partners III, L.P.
- Footnotes
- F1, F2, F3
OSCR
transaction
Class A Common Stock
Other
- Transaction value
- Shares
- +164,218
- Change %
- Price
- $0.000000*
- Shares after
- 164,218
- Date
- 18 Sep 2026
- Ownership
- By Claremount TW, L.P.
- Footnotes
- F1, F2, F3
OSCR
transaction
Class A Common Stock
Other
- Transaction value
- Shares
- -1,323,589
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 18 Sep 2026
- Ownership
- By Thrive Capital Partners II, L.P.
- Footnotes
- F2, F3, F4
OSCR
transaction
Class A Common Stock
Other
- Transaction value
- Shares
- -4,855,810
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 18 Sep 2026
- Ownership
- By Thrive Capital Partners III, L.P.
- Footnotes
- F2, F3, F4
OSCR
transaction
Class A Common Stock
Other
- Transaction value
- Shares
- -164,218
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 18 Sep 2026
- Ownership
- By Claremount TW, L.P.
- Footnotes
- F2, F3, F4
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
OSCR
transaction
Derivative
Class B Common Stock
Other
- Transaction value
- Shares
- -1,323,589
- Change %
- -22%
- Price
- $0.000000*
- Shares after
- 4,779,730
- Date
- 18 Sep 2026
- Ownership
- By Thrive Capital Partners II, L.P.
- Underlying class
- Class A Common Stock
- Underlying amount
- 1,323,589
- Exercise price
- Footnotes
- F1, F2, F3, F5
OSCR
transaction
Derivative
Class B Common Stock
Other
- Transaction value
- Shares
- -4,855,810
- Change %
- -22%
- Price
- $0.000000*
- Shares after
- 17,535,258
- Date
- 18 Sep 2026
- Ownership
- By Thrive Capital Partners III, L.P.
- Underlying class
- Class A Common Stock
- Underlying amount
- 4,855,810
- Exercise price
- Footnotes
- F1, F2, F3, F5
OSCR
transaction
Derivative
Class B Common Stock
Other
- Transaction value
- Shares
- -164,218
- Change %
- -22%
- Price
- $0.000000*
- Shares after
- 593,021
- Date
- 18 Sep 2026
- Ownership
- By Claremount TW, L.P.
- Underlying class
- Class A Common Stock
- Underlying amount
- 164,218
- Exercise price
- Footnotes
- F1, F2, F3, F5
OSCR
transaction
Derivative
Class B Common Stock
Other
- Transaction value
- Shares
- +6,268,097
- Change %
- Price
- $0.000000*
- Shares after
- 6,268,097
- Date
- 18 Sep 2026
- Ownership
- By Thrive Capital Partners VII Growth, L.P.
- Underlying class
- Class A Common Stock
- Underlying amount
- 6,268,097
- Exercise price
- Footnotes
- F1, F2, F3, F5
OSCR
transaction
Derivative
Class B Common Stock
Other
- Transaction value
- Shares
- +75,520
- Change %
- Price
- $0.000000*
- Shares after
- 75,520
- Date
- 18 Sep 2026
- Ownership
- By Claremount VII Associates, L.P.
- Underlying class
- Class A Common Stock
- Underlying amount
- 75,520
- Exercise price
- Footnotes
- F1, F2, F3, F5
OSCR
holding
Derivative
Class B Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,040,704
- Date
- 18 Sep 2026
- Ownership
- By Thrive Capital Partners V, L.P.
- Underlying class
- Class A Common Stock
- Underlying amount
- 1,040,704
- Exercise price
- Footnotes
- F2, F3, F5
OSCR
holding
Derivative
Class B Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 19,239
- Date
- 18 Sep 2026
- Ownership
- By Claremount V Associates, L.P.
- Underlying class
- Class A Common Stock
- Underlying amount
- 19,239
- Exercise price
- Footnotes
- F2, F3, F5
OSCR
holding
Derivative
Class B Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,498,513
- Date
- 18 Sep 2026
- Ownership
- By Thrive Capital Partners VI Growth, L.P.
- Underlying class
- Class A Common Stock
- Underlying amount
- 2,498,513
- Exercise price
- Footnotes
- F2, F3, F5
OSCR
holding
Derivative
Class B Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 48,982
- Date
- 18 Sep 2026
- Ownership
- By Claremount VI Associates, L.P.
- Underlying class
- Class A Common Stock
- Underlying amount
- 48,982
- Exercise price
- Footnotes
- F2, F3, F5
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 5 footnotes
Footnote F1
On September 18, 2026, (i) Thrive Capital Partners II, L.P. ("Thrive II") transferred 1,307,831 and 15,758 shares of Class B Common Stock to Thrive Capital Partners VII Growth, L.P. ("Thrive VII Growth") and Claremount VII Associates, L.P. ("Claremount VII"), respectively, in exchange for 1,307,831 and 15,758 shares of Class A Common Stock held by Thrive VII Growth and Claremount VII, respectively; (ii) Thrive Capital Partners III, L.P. ("Thrive III") transferred 4,798,003 and 57,807 shares of Class B Common Stock to Thrive VII Growth and Claremount VII, respectively, in exchange for 4,798,003 and 57,807 shares of Class A Common Stock held by Thrive VII Growth and Claremount VII, respectively; (iii) Claremount TW, L.P. ("Claremount TW") transferred 162,263 and 1,955 shares of Class B Common Stock to Thrive VII Growth and Claremount VII, respectively, in exchange for 162,263 and 1,955 shares of Class A Common Stock held by Thrive VII Growth and Claremount VII, respectively.
Footnote F2
Thrive Partners II GP, LLC is the general partner of Thrive II; Thrive Partners III GP, LLC is the general partner of each of Thrive III and Claremount TW; Thrive Partners V GP, LLC is the general partner of each of Thrive Capital Partners V, L.P. ("Thrive V") and Claremount V Associates, L.P. ("Claremount V"); Thrive Partners VI GP, LLC is the general partner of each of Thrive Capital Partners VI Growth, L.P. ("Thrive VI Growth") and Claremount VI Associates, L.P. ("Claremount VI"); Thrive Partners VII Growth GP, LLC is the general partner of Thrive VII Growth; and Thrive Partners VII GP, LLC is the general partner of Claremount VII (together with Thrive II, Thrive III, Claremount TW, Thrive V, Claremount V, Thrive VI Growth, Claremount VI, Thrive VII Growth, the "Thrive Capital Funds").
Footnote F3
(continued from footnote 2) Thrive Partners II GP, LLC, Thrive Partners III GP, LLC, Thrive Partners V GP, LLC, Thrive Partners VI GP, LLC, Thrive Partners VII Growth GP, LLC and Thrive Partners VII GP, LLC are collectively referred to as the "Thrive General Partners." Joshua Kushner is the sole managing member of each of the Thrive General Partners and, in his capacity as managing member, has voting and investment power over the shares held by each of the Thrive Capital Funds. Each of the foregoing entities and Mr. Kushner disclaims beneficial ownership of the shares held of record by the Thrive Capital Funds, except to the extent of its or his pecuniary interest therein.
Footnote F4
On September 18, 2026, (i) Thrive II distributed to its limited partners and sole general partner, pro rata and without consideration, 1,323,589 shares of Class A Common Stock; (ii) Thrive III distributed to its limited partners and sole general partner, pro rata and without consideration, 4,855,810 shares of Class A Common Stock; and (iii) Claremount TW distributed to its limited partners and sole general partner, pro rata and without consideration, 164,218 shares of Class A Common Stock. Each of Thrive Partners II GP, LLC and Thrive Partners III GP, LLC, in turn, distributed to their members, pro rata and without consideration, the shares of Class A Common Stock received in the foregoing distributions. Such distributions were made in accordance with the exemptions afforded by Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended (the "Exchange Act").
Footnote F5
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.