Stock Trading Canary

United States · SEC Form 4 · Snapshot date: 2026-10-18 · Built: 2026-10-18 · 中文

← United States · Coverage record

US · SEC FORM 4

Oscar Health, Inc.

OSCR · NYSE · CIK 0001568651 · Healthcare · Healthcare Plans

INSIDER SIGNAL

No active buy signal

0 qualifying P purchase groups
in the current 180-day scoring window

65 Form 4 transaction lines observed in the same window
44 sales · 21 option, withholding, award, gift or other lines

Last qualifying purchase2026-04-06 · Bertolini Mark T · $11.9M

WHY NO ACTIVE SIGNAL?

Purchase activityNone
Recent buyingNone
Recent salesHigh
Buy signal statusInactive
Score anatomy

No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.

ClusterNot calculated
Purchase sizeNot calculated
RoleNot calculated
RecencyNot calculated
ConvictionNot calculated

Why is there no score?

  • No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
  • Sales and other Form 4 activity remain visible as context and do not create a negative score.

Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.

Insider activity timeline

Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.

AprMayJunJulAugSepOct
Schlosser MarioDirector
▼○▼○▼○▼○▼▼
Blackley Richard ScottChief Financial Officer
▼▼▼▼▼
Bertolini Mark TChief Executive Officer
▼▼▼▼
WITTMAN VANESSA AMESDirector
○▼
McAnaney AdamChief Legal Officer
▼▼
Liang JanetPresident, Oscar Insurance
▼▼
● Purchase▼ Sale○ Other

Showing the six most active owners; 7 additional owner(s) remain in Form 4 evidence.

Purchase breadth, concentration & cluster buying

These modules activate when qualifying purchases enter the 180-day research window.

SIGNAL HISTORY

No recorded active-signal snapshot

Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2026-04-06 · Bertolini Mark T.

Recent Form 4 activity

1Purchases
61Sales
36Other Form 4 lines
44SEC filings · 365 days
BUYING0 qualifying P line(s) · 180 days
SELLING44 sale line(s) · context only
OTHER21 exercise / withholding / award / gift / other lines
10b5-1 / PLANNEDNot assessed

P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.

Market context

Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.

Short interest

Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.

Shares short
16,451,694
Previous report
17,770,151
Avg daily volume
6,135,580
Days to cover
2.7

FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.

Historical equity purchases

Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.

Transaction dateReporting ownerTypeSecuritySharesAvg. priceApprox. valueSource
2026-04-06Bertolini Mark TPurchase (P)Class A Common Stock1,000,000USD 11.92USD 11,920,000SEC filing ↗
2024-11-21Kushner JoshuaPurchase (P)Class A Common Stock100,000USD 16.86USD 1,686,000SEC filing ↗
2024-11-21Claremount VII Associates, L.P.; Thrive Capital Partners VII Growth, L.P.; Thrive Partners VII GP, LLC; Thrive Partners VII Growth GP, LLCPurchase (P)Class A Common Stock100,000USD 16.86USD 1,686,000SEC filing ↗
2024-11-20Kushner JoshuaPurchase (P)Class A Common Stock88,395USD 16.97USD 1,500,063SEC filing ↗
2024-11-20Claremount VII Associates, L.P.; Thrive Capital Partners VII Growth, L.P.; Thrive Partners VII GP, LLC; Thrive Partners VII Growth GP, LLCPurchase (P)Class A Common Stock88,395USD 16.97USD 1,500,063SEC filing ↗
2024-11-14Kushner JoshuaPurchase (P)Class A Common Stock344,522USD 15.80USD 5,444,873SEC filing ↗
2024-11-14Claremount VII Associates, L.P.; Thrive Capital Partners VII Growth, L.P.; Thrive Partners VII GP, LLC; Thrive Partners VII Growth GP, LLCPurchase (P)Class A Common Stock344,522USD 15.80USD 5,444,873SEC filing ↗
2024-11-13Kushner JoshuaPurchase (P)Class A Common Stock358,619USD 13.74USD 4,927,425SEC filing ↗
2024-11-13Claremount VII Associates, L.P.; Thrive Capital Partners VII Growth, L.P.; Thrive Partners VII GP, LLC; Thrive Partners VII Growth GP, LLCPurchase (P)Class A Common Stock358,619USD 13.74USD 4,927,425SEC filing ↗
2024-11-12Kushner JoshuaPurchase (P)Class A Common Stock420,819USD 13.68USD 5,756,804SEC filing ↗
2024-11-12Claremount VII Associates, L.P.; Thrive Capital Partners VII Growth, L.P.; Thrive Partners VII GP, LLC; Thrive Partners VII Growth GP, LLCPurchase (P)Class A Common Stock420,819USD 13.68USD 5,756,804SEC filing ↗
2024-11-11Kushner JoshuaPurchase (P)Class A Common Stock276,040USD 13.58USD 3,748,623SEC filing ↗
2024-11-11Claremount VII Associates, L.P.; Thrive Capital Partners VII Growth, L.P.; Thrive Partners VII GP, LLC; Thrive Partners VII Growth GP, LLCPurchase (P)Class A Common Stock276,040USD 13.58USD 3,748,623SEC filing ↗
2021-09-16Schlosser MarioPurchase (P)Class A Common Stock57,300USD 17.53USD 1,004,469SEC filing ↗
2021-09-15Kushner JoshuaPurchase (P)Class A Common Stock323,725USD 17.86USD 5,781,728SEC filing ↗

Form 4 evidence

98 transaction lines in the latest 365-day window; 527 in local history.

DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-09-18WITTMAN VANESSA AMESSale (S)Class A Common Stock25,000USD 32.24USD 806,000SEC filing ↗
2026-09-18Kushner JoshuaJ (J)Class A Common Stock12,687,234USD 0.00USD 0SEC filing ↗
2026-09-18Claremount TW, L.P.; Claremount VII Associates, L.P.; Thrive Capital Partners II, L.P.; Thrive Capital Partners III, L.P.; Thrive Capital Partners VII Growth, L.P.; Thrive Partners II GP, LLC; Thrive Partners III GP, LLC; Thrive Partners VII GP, LLC; Thrive Partners VII Growth GP, LLCJ (J)Class A Common Stock12,687,234USD 0.00USD 0SEC filing ↗
Show recent Form 4 evidence (30 grouped rows)
DateOwnerTypeSecuritySharesAvg. priceApprox. valueSource
2026-09-18WITTMAN VANESSA AMESSale (S)Class A Common Stock25,000USD 32.24USD 806,000SEC filing ↗
2026-09-18Kushner JoshuaJ (J)Class A Common Stock12,687,234USD 0.00USD 0SEC filing ↗
2026-09-18Claremount TW, L.P.; Claremount VII Associates, L.P.; Thrive Capital Partners II, L.P.; Thrive Capital Partners III, L.P.; Thrive Capital Partners VII Growth, L.P.; Thrive Partners II GP, LLC; Thrive Partners III GP, LLC; Thrive Partners VII GP, LLC; Thrive Partners VII Growth GP, LLCJ (J)Class A Common Stock12,687,234USD 0.00USD 0SEC filing ↗
2026-09-03Schlosser MarioSale (S)Class A Common Stock31,422USD 31.45USD 988,222SEC filing ↗
2026-09-03McAnaney AdamSale (S)Class A Common Stock9,092USD 31.45USD 285,943SEC filing ↗
2026-09-03Liang JanetSale (S)Class A Common Stock10,360USD 31.45USD 325,822SEC filing ↗
2026-09-03Blackley Richard ScottSale (S)Class A Common Stock28,869USD 31.45USD 907,930SEC filing ↗
2026-09-03Baltrus VictoriaSale (S)Class A Common Stock958USD 31.45USD 30,129SEC filing ↗
2026-08-28Schlosser MarioSale (S)Class A Common Stock150,000USD 30.79USD 4,618,500SEC filing ↗
2026-08-28Schlosser MarioC (C)Class A Common Stock150,000USD —USD —SEC filing ↗
2026-08-27Schlosser MarioSale (S)Class A Common Stock600,000USD 30.34USD 18,204,000SEC filing ↗
2026-08-27Schlosser MarioC (C)Class A Common Stock600,000USD —USD —SEC filing ↗
2026-08-18Blackley Richard ScottSale (S)Class A Common Stock18,750USD 31.74USD 595,125SEC filing ↗
2026-07-01Schlosser MarioSale (S)Class A Common Stock47,500USD 31.24USD 1,484,014SEC filing ↗
2026-07-01Schlosser MarioC (C)Class A Common Stock47,500USD —USD —SEC filing ↗
2026-06-30Bertolini Mark TSale (S)Class A Common Stock624,244USD 28.48USD 17,781,383SEC filing ↗
2026-06-29Bertolini Mark TSale (S)Class A Common Stock614,752USD 29.26USD 17,985,938SEC filing ↗
2026-06-26Bertolini Mark TSale (S)Class A Common Stock591,168USD 29.28USD 17,310,761SEC filing ↗
2026-06-25Bertolini Mark TSale (S)Class A Common Stock615,142USD 28.61USD 17,601,317SEC filing ↗
2026-06-23Schlosser MarioSale (S)Class A Common Stock1,027,398USD 29.38USD 30,180,344SEC filing ↗
2026-06-23Schlosser MarioC (C)Class A Common Stock977,500USD —USD —SEC filing ↗
2026-06-04WITTMAN VANESSA AMESAward / grant (A)Class A Common Stock8,475USD 0.00USD 0SEC filing ↗
2026-06-04Sankaran SidAward / grant (A)Class A Common Stock8,475USD 0.00USD 0SEC filing ↗
2026-06-04Plouffe DavidAward / grant (A)Class A Common Stock8,475USD 0.00USD 0SEC filing ↗
2026-06-04Lang Laura WAward / grant (A)Class A Common Stock8,475USD 0.00USD 0SEC filing ↗
2026-06-04Gassen WilliamAward / grant (A)Class A Common Stock8,475USD 0.00USD 0SEC filing ↗
2026-06-02Schlosser MarioSale (S)Class A Common Stock34,120USD 21.94USD 748,633SEC filing ↗
2026-06-02McAnaney AdamSale (S)Class A Common Stock9,859USD 21.94USD 216,318SEC filing ↗
2026-06-02Liang JanetSale (S)Class A Common Stock12,475USD 21.94USD 273,716SEC filing ↗
2026-06-02Blackley Richard ScottSale (S)Class A Common Stock31,683USD 21.94USD 695,162SEC filing ↗

Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.

Snapshot & identity

Snapshot date2026-10-18
Ranking versionUS-v1.2
Data qualityPASS ELIGIBLE · —
TickerOSCR
CIK0001568651
SectorHealthcare
IndustryHealthcare Plans Yahoo Finance
SEC SIC6324 Hospital & Medical Service Plans
ExchangeNYSE

Data coverage

Local Form 4 history527 transaction lines from 2021-03-05 to 2026-09-18
66 P purchase lines · 196 S sale lines · 265 other lines
SEC company submissionsOpen SEC filings ↗

Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.