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Oscar Health stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+85.1% to $30.65
Oscar Health (OSCR) stock rose 85% over the last 252 sessions, to $30.65. On the way it reported 5 quarters, its insiders filed 4 open-market trades and 17 Form 144 notices of planned sales, and the company filed 3 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Nov 5, 2026 | Earnings | Earnings: beat the EPS estimate by 382.6% | −5.9% (−1.4% vs SPY) | — | — |
| Sep 18, 2026 | Form 144 | Form 144: Vanessa Ames Wittman plans to sell $806K | +0.5% (+0.3% vs SPY) | −10.2% (−11.1% vs SPY) | −0.3% (−0.6% vs SPY) |
| Sep 3, 2026 | Form 144 | Form 144: Richard Scott Blackley plans to sell $908K | +6.1% (+5.1% vs SPY) | +7.2% (+8.1% vs SPY) | +2.0% (+1.1% vs SPY) |
| Sep 3, 2026 | Form 144 | Form 144: Janet Liang plans to sell $326K | +6.1% (+5.1% vs SPY) | +7.2% (+8.1% vs SPY) | +2.0% (+1.1% vs SPY) |
| Sep 3, 2026 | Form 144 | Form 144: Mario Schlosser plans to sell $988K | +6.1% (+5.1% vs SPY) | +7.2% (+8.1% vs SPY) | +2.0% (+1.1% vs SPY) |
| Sep 3, 2026 | Form 144 | Form 144: Adam McAnaney plans to sell $286K | +6.1% (+5.1% vs SPY) | +7.2% (+8.1% vs SPY) | +2.0% (+1.1% vs SPY) |
| Aug 28, 2026 | Form 144 | Form 144: Mario Schlosser plans to sell $4.6M | +1.4% (+1.6% vs SPY) | +7.0% (+6.8% vs SPY) | −1.3% (−0.9% vs SPY) |
| Aug 28, 2026 | Insider sale | Schlosser Mario sold $4.6M | +1.4% (+1.6% vs SPY) | +7.0% (+6.8% vs SPY) | −1.3% (−0.9% vs SPY) |
| Aug 27, 2026 | Form 144 | Form 144: Mario Schlosser plans to sell $18.2M | −3.9% (−4.5% vs SPY) | −3.0% (−2.8% vs SPY) | −5.4% (−6.3% vs SPY) |
| Aug 27, 2026 | Insider sale | Schlosser Mario sold $18.2M | −3.9% (−4.5% vs SPY) | −3.0% (−2.8% vs SPY) | −5.4% (−6.3% vs SPY) |
| Aug 20, 2026 | Form 144 | Form 144: Jeffery H. Boyd plans to sell $9.6M | −2.3% (−1.5% vs SPY) | −3.3% (−3.0% vs SPY) | −0.5% (+0.2% vs SPY) |
| Aug 18, 2026 | Form 144 | Form 144: Richard Scott Blackley plans to sell $614K | −0.9% (−0.2% vs SPY) | +0.8% (+2.0% vs SPY) | +2.5% (+4.9% vs SPY) |
| Aug 18, 2026 | Insider sale | Blackley Richard Scott sold $595K | −0.9% (−0.2% vs SPY) | +0.8% (+2.0% vs SPY) | +2.5% (+4.9% vs SPY) |
| Aug 13, 2026 | Form 144 | Form 144: Jeffery H. Boyd plans to sell $8.7M | +3.9% (+3.2% vs SPY) | +8.7% (+9.1% vs SPY) | +10.1% (+11.2% vs SPY) |
| Aug 10, 2026 | Form 144 | Form 144: Jeffery H. Boyd plans to sell $3.8M | −0.8% (−0.8% vs SPY) | +16.1% (+15.7% vs SPY) | +16.8% (+17.8% vs SPY) |
| Aug 10, 2026 | Form 144 | Form 144: Jeffery H Boyd plans to sell $3.3M | −0.8% (−0.8% vs SPY) | +16.1% (+15.7% vs SPY) | +16.8% (+17.8% vs SPY) |
| Aug 6, 2026 | Earnings | Earnings: beat the EPS estimate by 189.2% | −12.6% (−12.5% vs SPY) | −1.7% (−2.0% vs SPY) | +6.8% (+6.4% vs SPY) |
| Jun 25, 2026 | Form 144 | Form 144: Mark Bertolini plans to sell $83.1M | −1.7% (−1.8% vs SPY) | +9.0% (+7.3% vs SPY) | −3.4% (−4.2% vs SPY) |
| Jun 23, 2026 | Form 144 | Form 144: Pizzo-Schlosser Family Dynasty Trust plans to sell $2.7M | +4.8% (+6.2% vs SPY) | +3.1% (+3.6% vs SPY) | +3.3% (+2.9% vs SPY) |
| Jun 23, 2026 | Form 144 | Form 144: Mario Schlosser plans to sell $25.1M | +4.8% (+6.2% vs SPY) | +3.1% (+3.6% vs SPY) | +3.3% (+2.9% vs SPY) |
| Jun 23, 2026 | Form 144 | Form 144: Noah Pizzo-Schlosser Dynasty Trust plans to sell $1.4M | +4.8% (+6.2% vs SPY) | +3.1% (+3.6% vs SPY) | +3.3% (+2.9% vs SPY) |
| Jun 23, 2026 | Form 144 | Form 144: Siena Pizzo-Schlosser Dynasty Trust plans to sell $1.4M | +4.8% (+6.2% vs SPY) | +3.1% (+3.6% vs SPY) | +3.3% (+2.9% vs SPY) |
| Jun 2, 2026 | 8-K | Directors and officers: departures, appointments, pay | −8.3% (−8.4% vs SPY) | +17.6% (+20.2% vs SPY) | +32.9% (+34.3% vs SPY) |
| May 6, 2026 | Earnings | Earnings: beat the EPS estimate by 88.2% | +10.1% (+8.7% vs SPY) | +28.0% (+26.0% vs SPY) | +27.4% (+22.9% vs SPY) |
| Apr 6, 2026 | Insider buy | Bertolini Mark T bought $11.9M | +6.8% (+6.3% vs SPY) | +19.2% (+15.7% vs SPY) | +44.3% (+35.3% vs SPY) |
| Feb 10, 2026 | 8-K | Material definitive agreement | +1.7% (+2.0% vs SPY) | +5.6% (+7.2% vs SPY) | +5.7% (+8.3% vs SPY) |
| Feb 10, 2026 | Earnings | Earnings: missed the EPS estimate by -34.6% | +1.7% (+2.0% vs SPY) | +5.6% (+7.2% vs SPY) | +5.7% (+8.3% vs SPY) |
| Dec 29, 2025 | 8-K | Directors and officers: departures, appointments, pay | −0.1% (0.0% vs SPY) | +12.8% (+12.3% vs SPY) | +2.7% (+1.8% vs SPY) |
| Nov 6, 2025 | Earnings | Earnings: beat the EPS estimate by 8.7% | −2.8% (−1.7% vs SPY) | −12.0% (−12.9% vs SPY) | −1.5% (−2.7% vs SPY) |
Insiders’ record here
In the year on the chart, Oscar Health's insiders reported 1 open-market buy ($11.9M) and 3 sales ($23.4M). Of the 1 old enough to score, 1 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was +130.4% and after a sale —.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
| 2.03 New debt or off-balance-sheet obligation | 13,268 | 0.0% | 50% | +1.2% | ±1.3% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → Oscar Health: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.