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Who

Luis von Ahn

President & CEO, Co-Founder

Company insider

Files Form 4 as: President & CEO, Co-Founder, Duolingo; Director, Figma; Director, Root.

In numbers

Trades disclosed
345
Buys
1
Sells
29
Bought
$990K
Sold
$180.7M
Companies
3
Companies where not an officer
2
First trade
10 Nov 2020
Last trade
7 Oct 2026
Last filed
9 Oct 2026

Companies traded

Where they are an officer
DUOL DuolingoDirector, Officer, 10% owner · Software · last 7 Oct 20260 buys · 29 sells
Everywhere else they filed: board seats, 10% stakes, other companies
FIG FigmaDirector · Software · last 2 Jun 20261 buy · 0 sells
ROOT RootDirector · Insurance · last 30 Jun 20210 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
401Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
7 Oct 2026filed 9 Oct 2026DUOL DuolingoSoftwareSEC FORM 4 Code C$4.2M110,046 at $38.08filing
7 Oct 2026filed 9 Oct 2026DUOL DuolingoSoftwareSEC FORM 4 Sold$3.0M20,025 at $150.63filing
7 Oct 2026filed 9 Oct 2026DUOL DuolingoSoftwareSEC FORM 4 Sold$8.3M55,036 at $151.52filing
7 Oct 2026filed 9 Oct 2026DUOL DuolingoSoftwareSEC FORM 4 Sold$4.6M29,871 at $152.47filing
7 Oct 2026filed 9 Oct 2026DUOL DuolingoSoftwareSEC FORM 4 Sold$784K5,114 at $153.26filing
7 Oct 2026filed 9 Oct 2026DUOL Duolingooption or derivative · SoftwareSEC FORM 4 Code M—110,046 at $0.00filing
7 Oct 2026filed 9 Oct 2026DUOL Duolingooption or derivative · SoftwareSEC FORM 4 Code C—110,046 at $0.00filing
7 Oct 2026filed 9 Oct 2026DUOL Duolingooption or derivative · SoftwareSEC FORM 4 Code C—110,046 at $0.00filing
24 Sep 2026filed 28 Sep 2026DUOL DuolingoSoftwareSEC FORM 4 Code C$1.8M46,682 at $38.08filing
24 Sep 2026filed 28 Sep 2026DUOL DuolingoSoftwareSEC FORM 4 Sold$5.8M38,758 at $150.45filing
24 Sep 2026filed 28 Sep 2026DUOL DuolingoSoftwareSEC FORM 4 Sold$1.1M7,024 at $151.42filing
24 Sep 2026filed 28 Sep 2026DUOL Duolingooption or derivative · SoftwareSEC FORM 4 Code M—46,682 at $0.00filing
24 Sep 2026filed 28 Sep 2026DUOL Duolingooption or derivative · SoftwareSEC FORM 4 Code C—46,682 at $0.00filing
24 Sep 2026filed 28 Sep 2026DUOL Duolingooption or derivative · SoftwareSEC FORM 4 Code C—46,682 at $0.00filing
24 Sep 2026filed 28 Sep 2026DUOL DuolingoSoftwareSEC FORM 4 Sold$137K900 at $152.29filing
24 Sep 2026filed 28 Sep 2026DUOL Duolingooption or derivative · SoftwareSEC FORM 4 Code M—46,682 at $0.00filing
24 Sep 2026filed 28 Sep 2026DUOL Duolingooption or derivative · SoftwareSEC FORM 4 Code C—46,682 at $0.00filing
24 Sep 2026filed 28 Sep 2026DUOL Duolingooption or derivative · SoftwareSEC FORM 4 Code C—46,682 at $0.00filing
24 Sep 2026filed 28 Sep 2026DUOL DuolingoSoftwareSEC FORM 4 Code C$1.8M46,682 at $38.08filing
24 Sep 2026filed 28 Sep 2026DUOL DuolingoSoftwareSEC FORM 4 Sold$5.8M38,758 at $150.45filing

News

Analyzing Duolingo (NASDAQ:DUOL) and ADT (NYSE:ADT)DUOL · tickerreport.com · 14 Oct 2026

0 headlines in the last 90 days name Luis von Ahn; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Technology30

Buys in green, sells in red, by the company’s sector.

Related people

John Osborne Lilly IIIDirector · Director at Duolingo, filing Form 4 there in the last year
Mario SchlosserDirector · Director at Duolingo, filing Form 4 there in the last year
James H. SheltonDirector · Director at Duolingo, filing Form 4 there in the last year
Amy BohutinskyDirector · Director at Duolingo, filing Form 4 there in the last year
Stephen C. ChenGeneral Counsel · General Counsel at Duolingo, filing Form 4 there in the last year
Lynn Vojvodich RadakovichDirector · Also traded FIG in the last 90 days
Brendan MulliganGeneral Counsel and Secretary · Also traded FIG in the last 90 days
Tyler HerbChief Accounting Officer · Also traded FIG in the last 90 days