Insider trade

Officer sold ~$233K of DUOL shares in the open market

Traded May 18, 2026 · Filed May 19, 2026

Why it stands out

Duolingo's Chief Engineering Officer sold $233K of Duolingo shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Officer$100K–$500KPre-arranged plan referenced

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$233,215

Shares × reported transaction price

Timing vs results

14 days after results of May 4, 2026, 79 days before results of Aug 5, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After	Stock	S&P 500	Difference
7 days	+0.9%	+1.2%	−0.3%
30 days	+19.1%	+0.4%	+18.7%
90 days	+30.7%	+3.5%	+27.2%

Past results only. Not a forecast.

The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on September 15, 2025.
The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $112.71 to $113.60, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.