Severin Hacker Duolingo, Inc. (DUOL) insider trading activity

Severin Hacker is Chief Tech Officer, Co-Founder of Duolingo, Inc.. Currently has a direct ownership of 72 shares of DUOL, which is worth approximately $33,953. The most recent transaction as insider was on Jun 05, 2025, when has been sold 10,000 shares (Class A Common Stock) at a price of $525.26 per share, resulting in proceeds of $5,252,600. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 72

0% 3M change

0% 12M change

Total Value Held $33,953

Severin Hacker Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jun 05 2025	SELL Open market or private sale	$5,252,600 $525.26 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
Jun 05 2025	BUY Conversion of derivative security	$380,800 $38.08 p/Share	10,000 Added 49.82%	10,072 Class A Common Stock
May 19 2025	SELL Open market or private sale	$5,242,900 $524.29 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
May 19 2025	BUY Conversion of derivative security	$380,800 $38.08 p/Share	10,000 Added 49.82%	10,072 Class A Common Stock
May 05 2025	SELL Open market or private sale	$4,950,500 $495.05 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
May 05 2025	BUY Conversion of derivative security	$380,800 $38.08 p/Share	10,000 Added 49.82%	10,072 Class A Common Stock
Apr 21 2025	SELL Open market or private sale	$3,160,500 $316.05 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
Apr 21 2025	BUY Conversion of derivative security	$380,800 $38.08 p/Share	10,000 Added 49.82%	10,072 Class A Common Stock
Apr 07 2025	SELL Open market or private sale	$2,919,500 $291.95 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
Apr 07 2025	BUY Conversion of derivative security	$380,800 $38.08 p/Share	10,000 Added 49.82%	10,072 Class A Common Stock
Mar 19 2025	SELL Open market or private sale	$2,974,600 $297.46 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
Mar 19 2025	BUY Conversion of derivative security	$262,500 $26.25 p/Share	10,000 Added 49.82%	10,072 Class A Common Stock
Mar 05 2025	SELL Open market or private sale	$2,908,100 $290.81 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
Mar 05 2025	BUY Conversion of derivative security	$144,200 $14.42 p/Share	10,000 Added 49.82%	10,072 Class A Common Stock
Feb 19 2025	SELL Open market or private sale	$4,344,600 $434.46 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
Feb 19 2025	BUY Conversion of derivative security	$144,200 $14.42 p/Share	10,000 Added 49.82%	10,072 Class A Common Stock
Feb 05 2025	SELL Open market or private sale	$3,960,800 $396.08 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
Feb 05 2025	BUY Conversion of derivative security	-	10,000 Added 49.82%	10,072 Class A Common Stock
Jan 21 2025	SELL Open market or private sale	$3,343,900 $334.39 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
Jan 21 2025	BUY Conversion of derivative security	$144,200 $14.42 p/Share	10,000 Added 49.82%	10,072 Class A Common Stock
Jan 06 2025	SELL Open market or private sale	$3,392,799 $339.28 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
Jan 06 2025	BUY Conversion of derivative security	-	10,000 Added 49.82%	10,072 Class A Common Stock
Dec 19 2024	SELL Open market or private sale	$3,386,000 $338.6 p/Share	10,000 Reduced 99.29%	72 Class A Common Stock
Dec 19 2024	BUY Conversion of derivative security	-	10,000 Added 49.82%	10,072 Class A Common Stock
Dec 13 2024	SELL Open market or private sale	$14,892,074 $339.8 p/Share	43,826 Reduced 99.84%	72 Class A Common Stock

Severin Hacker

Chief Tech Officer, Co-Founder

Pittsburgh, PA

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