Severin Hacker

DUOL

Severin Hacker serves as Chief Tech Officer, Co-Founder at Duolingo, Inc. (DUOL). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

55 trades

$225.09M

Net Position

Net Seller

$225.09M

Companies Traded

DUOL

Active Period

Aug 2021 – Nov 2025

55 total trades

Most Recent

Sell DUOL

Nov 20, 2025 · $1.73M

Severin Hacker's Insider Trading at Duolingo, Inc. (DUOL)

Buys

0 · $0.00

Sells

5 · $13.05M

Total Shares Bought

Total Shares Sold

120,036

DUOL Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Jun 13, 2022	Sell	20,000	$97.95	$1.96M	15,608
Jun 3, 2022	Sell	20,000	$82.92	$1.66M	17,941
Dec 10, 2021	Sell	36	$110.01	$4.0K	72
Nov 17, 2021	Sell	30,000	$144.41	$4.33M	27,546
Aug 2, 2021	Sell	50,000	$102.00	$5.10M	0