SEVERIN HACKER FOUNDATION

PrivateCIK: 2097858
Location

NEW YORK, NY

Insider sale

DUOLINGO, INC.

$15.62M

60K shares

What this filing means

SEVERIN HACKER FOUNDATION plans to sell 60K shares of DUOLINGO, INC. valued at approximately $15.62M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderSEVERIN HACKER FOUNDATIONCIK 2097858
IssuerDUOLINGO, INC.CIK 1562088
60K
Shares to sell
$15.62M
Approx. market value
10K
Acquired (3 months)
1
Planned
5 completed
Securities Acquired — Last 3 Months1
Sort

Founders Shares

N/A

8/25/2011
10K
Total acquired10K
Planned & Completed Dispositions6
Sort

Completed

Completed

Units to sell

10K

Market value

$1.73M

11/19/2025
Completed

Units to sell

10K

Market value

$2.63M

11/4/2025
Completed

Units to sell

10K

Market value

$3.15M

10/20/2025
Completed

Units to sell

10K

Market value

$3.22M

10/6/2025
Completed

Units to sell

10K

Market value

$2.89M

9/19/2025

Planned — Approximate Date

NASDAQPlanned

Units to sell

10K

Market value

$2.01M

12/12/2025
Total

Units

60K

Value

$15.62M

SEVERIN HACKER FOUNDATION — Planned Insider Sale (Form 144) | Finecho