VON AHN LUIS

PrivateCIK: 1829259
Location

COLUMBUS, OH

VON AHN LUIS (President & CEO, Co-Founder) sold 28.29K shares of DUOLINGO, INC. on the open market

Open‑market sale worth $4.25M. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderVON AHN LUISCIK 1829259
→
IssuerDUOLINGO, INC.CIK 1562088
DirectorOfficer10% Owner· President & CEO, Co-Founder
Since Jul 2021
-28.29K
Net shares
Net seller
$4.25M
Total sold
2
Open market trades
0B · 2S
10
Total transactions
56.58K acquired · 84.88K disposed
Non-Derivative Transactions4

Class A Common Stock

Direct
C · Conversion

Shares

+23.04K

Price / share

$14.42

Trade value

$332.24K

% of position

New position
9/16/2026
0.00→23.04K

Class A Common Stock

Direct
C · Conversion

Shares

+5.25K

Price / share

$38.08

Trade value

$200K

% of position

22.8%
9/16/2026
23.04K→28.29K

Class A Common Stock

Direct
S · Sale

Shares

−27.27K

Price / share

$150.17

Trade value

$4.10M

% of position

96.4%
9/16/2026
28.29K→1.02K

Class A Common Stock

Direct
S · Sale

Shares

−1.02K

Price / share

$151.54

Trade value

$154.57K

% of position

New position
9/16/2026
1.02K→0.00
Total

Net shares

+0.00

Net value

-$3.72M

Derivative Transactions6

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Class B Common Stock

23.04K shares

Shares

−23.04K

Strike price

14.42

Held after

27.96K

Exercisable

—

9/16/2026

Class B Common Stock

Direct
C · Conversion
Converts to

Class A Common Stock

23.04K shares

Shares

+23.04K

Strike price

Held after

3.39M

Exercisable

—

9/16/2026

Class B Common Stock

Direct
C · Conversion
Converts to

Class A Common Stock

23.04K shares

Shares

−23.04K

Strike price

Held after

3.37M

Exercisable

—

9/16/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Class B Common Stock

5.25K shares

Shares

−5.25K

Strike price

38.08

Held after

169.75K

Exercisable

—

9/16/2026

Class B Common Stock

Direct
C · Conversion
Converts to

Class A Common Stock

5.25K shares

Shares

+5.25K

Strike price

Held after

3.37M

Exercisable

—

9/16/2026

Class B Common Stock

Direct
C · Conversion
Converts to

Class A Common Stock

5.25K shares

Shares

−5.25K

Strike price

Held after

3.37M

Exercisable

—

9/16/2026
VON AHN LUIS — Insider Transaction (Form 4) Filed Sep 19, 2026 | Finecho