Insider Trading

SEC Form 4 filings by company officers, directors and 10% owners — public information, not investment advice.

Insiders Politicians

Insider Trading

SEC Form 4 filings by company officers, directors and 10% owners — public information, not investment advice.

von Ahn Luis – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
DUOL	von Ahn Luis	President & CEO, Co-Founder	Oct 07 '26	Sale	151.70	110,046	16,694,000	0	Oct 09
DUOL	von Ahn Luis	President & CEO, Co-Founder	Oct 07 '26	Option Exercise	38.08	110,046	4,190,552	0	Oct 09
DUOL	von Ahn Luis	President & CEO, Co-Founder	Sep 24 '26	Option Exercise	38.08	46,682	1,777,651	110,046	Sep 28
DUOL	von Ahn Luis	President & CEO, Co-Founder	Sep 24 '26	Sale	150.63	46,682	7,031,794	0	Sep 28
DUOL	von Ahn Luis	President & CEO, Co-Founder	Sep 22 '26	Sale	151.91	3,614	548,996	0	Sep 23
DUOL	von Ahn Luis	President & CEO, Co-Founder	Sep 22 '26	Option Exercise	38.08	3,614	137,621	156,728	Sep 23
DUOL	von Ahn Luis	President & CEO, Co-Founder	Sep 21 '26	Option Exercise	20.38	37,366	761,363	160,342	Sep 23
DUOL	von Ahn Luis	President & CEO, Co-Founder	Sep 21 '26	Sale	150.53	37,366	5,624,731	0	Sep 23
DUOL	von Ahn Luis	President & CEO, Co-Founder	Sep 16 '26	Option Exercise	18.81	28,292	532,233	169,748	Sep 18
DUOL	von Ahn Luis	President & CEO, Co-Founder	Sep 16 '26	Sale	150.22	28,292	4,250,141	0	Sep 18
DUOL	von Ahn Luis	President & CEO, Co-Founder	May 27 '26	Option Exercise	0.00	120,000	0	3,422,995	May 29
DUOL	von Ahn Luis	President & CEO, Co-Founder	Feb 17 '26	Option Exercise	0.00	120,000	0	3,406,635	Feb 20
DUOL	von Ahn Luis	President & CEO, Co-Founder	Dec 01 '25	Option Exercise	0.00	120,000	0	3,338,403	Dec 03
DUOL	von Ahn Luis	President & CEO, Co-Founder	Oct 20 '25	Option Exercise	0.00	120,000	0	3,270,171	Oct 22
FIG	von Ahn Luis	Director	Aug 01 '25	Buy	33.00	30,000	990,000	78,179	Aug 05