DUOL Duolingo, Inc.

NASDAQ
$146.57

Duolingo, Inc. (DUOL) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Bearish Selling ran elevated versus DUOL's own trailing one-year pace, with 100% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 5 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
3
17 transactions
Purchases
$0
0 shares
Sales
$20.1M
134,026 shares
Net activity
-$20.1M
purchases less sales

How much of that selling was preplanned? 100% planned / 0% discretionary

10b5-1 plan sales $20.1M 17 transactions · 134,026 shares
Discretionary sales $0 0 transactions · 0 shares

Largest single sale: $5.8M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: March 3, 2026 , by Shelton James H .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
von Ahn Luis 3 fills President & CEO, Co-Founder Sell 10b5-1 46,682 $150.63 $7.0M 7,924 −85.5% of holding
von Ahn Luis 2 fills President & CEO, Co-Founder Sell 10b5-1 3,614 $151.91 $549.0K 3,414 −51.4% of holding
von Ahn Luis 2 fills President & CEO, Co-Founder Sell 10b5-1 37,366 $150.53 $5.6M 4,109 −90.1% of holding
von Ahn Luis 2 fills President & CEO, Co-Founder Sell 10b5-1 28,292 $150.22 $4.3M 1,020 −96.5% of holding
Chen Stephen C. 2 fills General Counsel Sell 10b5-1 8,072 $149.33 $1.2M 49,734 −14% of holding
GORDON WILLIAM B 6 fills Director Sell 10b5-1 10,000 $145.67 $1.5M 77,615 −11.4% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.