StockCIK 1562088

Duolingo, Inc. (DUOL): Insider Trades and Fund Holdings

In the past 12 months, Duolingo, Inc. insiders reported 0 open-market purchases worth $0 and 11 sales worth $37.7M; 9 of the sales were reported as made under a 10b5-1 trading plan.

0Insider buys, 12 months

$0Bought by insiders, 12 months

$37.7MSold by insiders, 12 months

1Tracked funds holding

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 9, 2026.

Recent DUOL insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Oct 9	Oct 7	Von Ahn LuisCEO	CEO	▼ SELL10b5-1	110,046	151.70	$16.7M	All sold	Form 4 ↗
Sep 28	Sep 24	Von Ahn LuisCEO	CEO	▼ SELL10b5-1	46,682	150.63	$7.03M	All sold	Form 4 ↗
Sep 23	Sep 21	Von Ahn LuisCEO	CEO	▼ SELL10b5-1	37,366	150.53	$5.62M	All sold	Form 4 ↗
Sep 23	Sep 22	Von Ahn LuisCEO	CEO	▼ SELL10b5-1	3,614	151.91	$549K	All sold	Form 4 ↗
Sep 18	Sep 16	Von Ahn LuisCEO	CEO	▼ SELL10b5-1	28,292	150.22	$4.25M	All sold	Form 4 ↗
Sep 15	Sep 14	Stephen C. ChenGeneral Counsel	General Counsel	▼ SELL10b5-1	8,072	149.33	$1.21M	−16%	Form 4 ↗
Sep 10	Sep 8	William B. GordonDirector	Director	▼ SELL10b5-1	10,000	145.67	$1.46M	−13%	Form 4 ↗
Aug 19	Aug 17	Natalie GlanceChief Engineering Officer	Chief Engineering Officer	▼ SELL10b5-1	2,751	129.13	$355K	−1.6%	Form 4 ↗
Aug 19	Aug 18	Natalie GlanceChief Engineering Officer	Chief Engineering Officer	▼ SELL10b5-1	1,539	137.80	$212K	−0.9%	Form 4 ↗
Aug 19	Aug 17	Robert MeeseChief Business Officer	Chief Business Officer	▼ SELL	1,354	129.13	$175K	−0.8%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

All 11 DUOL insider trades →

Insiders who traded in the past year

Insider	Role	Bought	Sells	Sold	Latest
Von Ahn Luis	CEO	$0	5	$34.1M	Oct 9, 2026
Stephen C. Chen	General Counsel	$0	2	$1.34M	Sep 15, 2026
William B. Gordon	Director	$0	1	$1.46M	Sep 10, 2026
Natalie Glance	Chief Engineering Officer	$0	2	$567K	Aug 19, 2026
Robert Meese	Chief Business Officer	$0	1	$175K	Aug 19, 2026

Tracked funds that report DUOL

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

Fund	Quarter	Shares	Value	% of portfolio	Change
Renaissance Technologies	Q2 2026	211,526	$24.3M	0.03%	▼ −65.0%

Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →