Schlosser Mario

SEC Form 4 insider trading activity

Schlosser Mario has filed 17 SEC Form 4 filings (49 transaction rows) across 2 companies, including DUOL, OSCR, with disclosures dating back to 2025. 15 of those filings fall inside the rolling window. Most recent filing: Oct 14, 2026.

On the most recent filing, Schlosser Mario is listed as Director at Oscar Health, Inc. Inside the rolling window, Schlosser Mario reported no open-market purchases and 15 open-market sales totaling $68.8M in OSCR. The largest disclosed transaction in the window is a sale of 1,027,398 OSCR shares on Jun 23, 2026, worth $30.2M.

Companies traded

Other insiders at DUOL

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$68.8M

reported sales (SEC code S)

Companies

2

in the rolling window

Source
OSCRSale$988KSep 8SEC ↗
OSCRSale$18.2MAug 31SEC ↗
OSCRSale$4.6MAug 31SEC ↗
OSCRSale$1.5MJul 6SEC ↗
OSCRSale$30.2MJun 25SEC ↗
OSCRSale$749KJun 4SEC ↗
OSCRSale$326KMar 4SEC ↗
OSCRSale$407KJan 12SEC ↗
OSCRSale$1.3MJan 8SEC ↗
OSCRSale$2.1MJan 6SEC ↗
OSCRSale$1.5MJan 6SEC ↗
OSCRSale$583KDec 30SEC ↗
OSCRSale$398KDec 4SEC ↗
OSCRSale$4.4MNov 13SEC ↗
OSCRSale$1.6MNov 13SEC ↗
Showing 1–15 of 15
1 / 1

Earlier trades

Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.

DateTickerTypeValue
Sep 22, 2025OSCRSale$7.3M
Showing 1–1 of 1
1 / 1

Frequently asked questions

How many SEC Form 4 filings has Schlosser Mario made?

Schlosser Mario has filed 17 SEC Form 4 filings (49 transaction rows) across 2 companies, including DUOL, OSCR since 2025.

Which companies does Schlosser Mario trade?

Schlosser Mario has filed SEC Form 4 disclosures for 2 companies, including DUOL, OSCR.

When was Schlosser Mario's most recent SEC Form 4 filing?

Schlosser Mario's most recent SEC Form 4 filing on Tracefour is dated Oct 14, 2026.

What is Schlosser Mario's total buy and sell value in the current window?

Inside the rolling retention window, Schlosser Mario bought $0 and sold $68.8M based on SEC Form 4 filings.

What was Schlosser Mario's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 1,027,398 OSCR shares on 2026-06-23, worth $30.2M, per SEC Form 4 filings.