Form4insider filings, from the source

Company · CIK 0001568651 · SIC 6324 — Hospital & Medical Service Plans · NYSE

Oscar Health, Inc. · OSCR

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $3.3M · 6net −$3.3M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 18, 2026 SForm 4 →Sep 22, 4:20 pm EDTVanessa Ames WittmanDirector25,000$32.24$806,000112,121−18.2%10b5-1
Sep 18, 2026 JForm 4 →Sep 18, 8:27 pm EDTJoshua KushnerCo-Founder and Vice Chairman, Director, 10% Owner19,030,851——0—
Sep 18, 2026 JForm 4 →Sep 18, 8:21 pm EDTThrive Partners II GP, LLC +8Director, 10% Owner19,030,851——0—
Sep 3, 2026 SForm 4 →Sep 8, 4:22 pm EDTJanet LiangPresident, Oscar Insurance10,360$31.45$325,822248,697−4.00%10b5-1
Sep 3, 2026 SForm 4 →Sep 8, 4:16 pm EDTVictoria BaltrusChief Accounting Officer958$31.45$30,129213,631−0.45%10b5-1
Sep 3, 2026 SForm 4 →Sep 8, 4:16 pm EDTRichard Scott BlackleyChief Financial Officer28,869$31.45$907,9301,046,108−2.69%10b5-1
Sep 3, 2026 SForm 4 →Sep 8, 4:16 pm EDTAdam McAnaneyChief Legal Officer9,092$31.45$285,943209,004−4.17%10b5-1
Sep 3, 2026 SForm 4 →Sep 8, 4:16 pm EDTMario SchlosserDirector31,422$31.45$988,222449,444−6.53%10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 18, 2026 JForm 4 →Sep 18, 8:27 pm EDTJoshua KushnerCo-Founder and Vice Chairman, Director, 10% Owner12,687,234——75,520—
Sep 18, 2026 JForm 4 →Sep 18, 8:21 pm EDTThrive Partners II GP, LLC +8Director, 10% Owner12,687,234——75,520—