Stephen C. Chen

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
19 Dec 24	DUOL Duolingo	Class A Common Stock	Option exercise	Acquire M	No	No	14.42	3,700	53.35 k	35,367
19 Dec 24	DUOL Duolingo	Stock Option Class A Common Stock	Option exercise	Dispose M	No	No	14.42	3,700	53.35 k	5,537
18 Nov 24	DUOL Duolingo	Class A Common Stock	Sell	Dispose S	No	Yes	312.19	200	62.44 k	31,667
18 Nov 24	DUOL Duolingo	Class A Common Stock	Sell	Dispose S	No	Yes	309.8675	400	123.95 k	31,867
18 Nov 24	DUOL Duolingo	Class A Common Stock	Sell	Dispose S	No	Yes	307.9496	1,767	544.15 k	32,267
18 Nov 24	DUOL Duolingo	Class A Common Stock	Sell	Dispose S	No	Yes	307.0355	275	84.43 k	34,034
15 Nov 24	DUOL Duolingo	Class A Common Stock	Sell	Dispose S	No	No	309.3	1,249	386.32 k	34,309
30 Aug 24	DUOL Duolingo	Class A Common Stock	Sell	Dispose S	No	Yes	213.4167	3,459	738.21 k	35,558
30 Aug 24	DUOL Duolingo	Class A Common Stock	Sell	Dispose S	No	Yes	212.6943	5,677	1.21 mm	39,017
30 Aug 24	DUOL Duolingo	Class A Common Stock	Sell	Dispose S	No	Yes	211.6242	2,977	630.01 k	44,694

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.