Mario Schlosser

Known title: President of Technology & CTOCIK: 0001844320

Associated companies

DUOL · Duolingo Inc. Class A Common Stock DUOL insiders

OSCR · Oscar Health Inc. Class A Common Stock OSCR insiders

DUOLDuolingo Inc. Class A Common Stock

this person other insiders at DUOL

OSCROscar Health Inc. Class A Common Stock

this person other insiders at OSCR

Transaction History

DUOL	▲ Buy	Grant	140	$17K	7/10/2026	View on chart
OSCR	▼ Sell	Open Market	13,672	$421K	7/1/2026	View on chart
OSCR	▼ Sell	Open Market	30,228	$957K	7/1/2026	View on chart
OSCR	▼ Sell	Other	47,500	—	7/1/2026	View on chart
OSCR	▼ Sell	Open Market	3,600	$106K	7/1/2026	View on chart
OSCR	▼ Sell	Other	880,000	—	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	286,988	$8.3M	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	591,213	$17.5M	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	1,799	$54K	6/23/2026	View on chart
OSCR	▼ Sell	Other	50,000	—	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	16,307	$472K	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	33,591	$994K	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	102	$3K	6/23/2026	View on chart
OSCR	▼ Sell	Other	50,000	—	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	16,306	$472K	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	33,592	$994K	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	102	$3K	6/23/2026	View on chart
OSCR	▼ Sell	Other	47,500	—	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	15,491	$448K	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	31,912	$944K	6/23/2026	View on chart
OSCR	▼ Sell	Open Market	97	$3K	6/23/2026	View on chart
DUOL	▲ Buy	Grant	2,001	$0	6/3/2026	View on chart
OSCR	▼ Sell	Open Market	24,452	$532K	6/2/2026	View on chart
OSCR	▼ Sell	Open Market	9,668	$217K	6/2/2026	View on chart
OSCR	▲ Buy	Grant	189,141	$0	3/2/2026	View on chart
OSCR	▼ Sell	Open Market	24,335	$326K	3/2/2026	View on chart
OSCR	▼ Sell	Other	23,038	—	1/8/2026	View on chart
OSCR	▼ Sell	Open Market	23,038	$407K	1/8/2026	View on chart
OSCR	▼ Sell	Other	76,962	—	1/6/2026	View on chart
OSCR	▼ Sell	Open Market	76,962	$1.3M	1/6/2026	View on chart
OSCR	▼ Sell	Other	86,893	—	1/5/2026	View on chart
OSCR	▼ Sell	Open Market	96,928	$1.5M	1/5/2026	View on chart
OSCR	▼ Sell	Other	59,800	—	1/2/2026	View on chart
OSCR	▼ Sell	Open Market	137,933	$2.1M	1/2/2026	View on chart
OSCR	▼ Sell	Open Market	38,835	$583K	12/24/2025	View on chart
OSCR	▼ Sell	Open Market	23,965	$398K	12/2/2025	View on chart
OSCR	▼ Sell	Other	105,300	—	11/12/2025	View on chart
OSCR	▼ Sell	Open Market	105,300	$1.6M	11/12/2025	View on chart
OSCR	▼ Sell	Other	286,182	—	11/11/2025	View on chart
OSCR	▼ Sell	Open Market	286,182	$4.4M	11/11/2025	View on chart
OSCR	▼ Sell	Other	395,000	—	9/22/2025	View on chart
OSCR	▼ Sell	Open Market	395,000	$7.3M	9/22/2025	View on chart
OSCR	▼ Sell	Tax Withholding	23,879	$398K	9/2/2025	View on chart
DUOL	▲ Buy	Grant	379	$0	6/11/2025	View on chart
OSCR	▼ Sell	Tax Withholding	23,879	$330K	6/2/2025	View on chart
OSCR	▲ Buy	Grant	172,269	$0	3/5/2025	View on chart
OSCR	▼ Sell	Tax Withholding	7,970	$116K	3/1/2025	View on chart
OSCR	▼ Sell	Open Market	6,399	$116K	12/2/2024	View on chart
OSCR	▼ Sell	Open Market	117	$2K	12/2/2024	View on chart
OSCR	▲ Buy	Option Exercise	14,412	—	12/1/2024	View on chart
OSCR	▼ Sell	Open Market	1,605	$28K	9/4/2024	View on chart
OSCR	▼ Sell	Open Market	1,311	$23K	9/4/2024	View on chart
OSCR	▼ Sell	Open Market	3,198	$58K	9/3/2024	View on chart
OSCR	▲ Buy	Option Exercise	14,412	—	9/1/2024	View on chart
DUOL	▲ Buy	Grant	1,742	$0	7/1/2024	View on chart
OSCR	▼ Sell	Open Market	152	$3K	6/4/2024	View on chart
OSCR	▼ Sell	Open Market	5,808	$113K	6/3/2024	View on chart
OSCR	▲ Buy	Option Exercise	14,411	—	6/1/2024	View on chart
OSCR	▼ Sell	Other	390,405	—	11/16/2023	View on chart
OSCR	▼ Sell	Open Market	390,405	$2.8M	11/16/2023	View on chart
OSCR	▼ Sell	Other	235,000	—	8/15/2023	View on chart
OSCR	▼ Sell	Open Market	235,000	$1.6M	8/15/2023	View on chart
OSCR	▲ Buy	Open Market	57,300	$1.0M	9/16/2021	View on chart
OSCR	▲ Buy	Option Exercise	17	—	8/18/2021	View on chart