Director sold ~$508K of DUOL shares in the open market

Past results only. Not a forecast.

Record ID

0001628280-26-061361

Filed / recorded

Sep 10, 2026, 8:23 PM UTC

Added to OQRO

Oct 6, 2026, 7:37 PM UTC

Parser

form4-xml-v2

Data quality

Verified: identifiers matched exactly

Issuer

Duolingo, Inc.

Issuer CIK

1562088

Ticker

DUOL

Reporting person

William B Gordon

Relationship

Director

Security

Class A Common Stock

Table

Non-derivative (Table I)

Transaction date

Sep 8, 2026

Transaction code

S

Shares / units

3,483

Price per share

$145.91

Acquired / disposed

Disposed (D)

Shares owned after

71,390

Ownership form

Direct

Amendment

No

1. The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2026.
2. 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 $145.25 to $146.24, 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.