Stephen C Chen

General Counsel · Duolingo, Inc.

Rank #12,519 SEC EDGAR (United States) ↗ Files from United States

Details

Officer of the companySoftware & IT ServicesDUOLSEC CIK 0001869758

Computed from SEC EDGAR filings and closing prices — not copied from any wealth ranking. Dataset . How we calculate this.

Disclosed holdings
$4.7M
1-day change
▼ 2.75%
Positions on file
1
issuers disclosed in Forms 3/4/5 and Schedules 13D/G

Disclosed holdings over time 53 weekly points

What the 1 currently disclosed position would have been worth at each week’s closing price. A rising line means the shares got more valuable, not that this person bought more.

How the line is built

Share counts are as last reported to the SEC and held constant; only prices move.

2025-09-05$2.7M – $10.0M2026-09-04

Insider activity May 15, 2024 – Feb 18, 2026

Stephen C Chen is recorded in filings to the U.S. SEC via EDGAR as officer of the company, and reported 43 transactions between May 15, 2024 and Feb 18, 2026. The buy and sell totals below count only codes P, S.

Why the other codes are excluded

Share awards (A), shares withheld to pay tax (F), option exercises (M) and gifts (G) also appear in the table, but they are consequences of a pay package or a private transfer, not a decision to buy or sell on the open market. Counting them would turn this into a compensation ranking.

Open-market buys (code P)
None
0 purchases on file
Open-market sales (code S)
$10.24M
34 sales on file priced rows only
All reported transactions
43
every code, including awards and exercises
Pattern
Net seller in the final 12 months of the window
last 12 months of the window

Events from filings

Detected automatically in the filings linked below. Each headline is built from the numbers in those filings, not written by a model. Newest first; events older than 45 days stay listed and are marked as older.

Stephen C Chen sold 820 Duolingo, Inc. (DUOL) shares for $91,971 on May 15, 2026

Unusual change in a direct holding

Flagged because the change that day in the shares this person holds directly was unusually large compared with their own earlier changes. The rows below are the open-market trades reported that day; under each share count is the balance the filing reports after that line.

Stephen C Chen sold 820 Duolingo, Inc. (DUOL) shares for $91,971 on May 15, 2026
Date Insider Transaction Shares Price Value Filing
May 15, 2026 Stephen C Chen S Open-market sale 820 held after: 54,784 $112.16 $91,971 SEC filing ↗

Source: SEC EDGAR (United States); every row links to where it was published. Event computed Sep 14, 2026.

Reported transactions

Price 0.00 is a real reported figure on gifts (G) and share awards (A) — not a missing number. The 25 most recent rows are grouped into 16 lines by date, company and transaction type — open a line to see every lot with its own source link. We hold 50 on file in total. See the full history on EDGAR ↗

How to read this list

Every row is one line of one Form 4 or Form 5, with the filing it came from. Where the record carries no price at all we leave the cell empty instead of guessing one.

The shares and money on a grouped line add up only the lots listed inside that line, and only when every one of them carries the figure. Where a group mixes more than one reporting currency we leave the money blank rather than convert — no source publishes the rate that conversion would need.

  1. Duolingo, Inc. DUOL S Open-market sale 1,024 shares $132.2K at $129.13 SEC filing ↗
  2. Duolingo, Inc. DUOL M Option exercise or conversionnot a buy/sell decision 58 shares $836 at $14.42 SEC filing ↗
  3. Duolingo, Inc. DUOL S Open-market sale × 2 1,977 shares $224.6K
    The 2 lots that make up this line, each with the source behind it.
    Shares Price Value Filing
    700 $114.22 $80.0K SEC filing ↗
    1,277 $113.27 $144.6K SEC filing ↗
  4. Duolingo, Inc. DUOL S Open-market sale 820 shares $92.0K at $112.16 SEC filing ↗
  5. Duolingo, Inc. DUOL A Grant or awardnot a buy/sell decision 24,411 shares $2.74M at $112.06 SEC filing ↗
  6. Duolingo, Inc. DUOL M Option exercise or conversionnot a buy/sell decision 648 shares $9.3K at $14.42 SEC filing ↗
  7. Duolingo, Inc. DUOL S Open-market sale × 4 1,901 shares $215.3K
    The 4 lots that make up this line, each with the source behind it.
    Shares Price Value Filing
    80 $115.47 $9.2K SEC filing ↗
    520 $114.55 $59.6K SEC filing ↗
    480 $113.95 $54.7K SEC filing ↗
    821 $111.83 $91.8K SEC filing ↗
  8. Duolingo, Inc. DUOL S Open-market sale 896 shares $98.6K at $110.06 SEC filing ↗
  9. Duolingo, Inc. DUOL M Option exercise or conversionnot a buy/sell decision 1,800 shares $26.0K at $14.42 SEC filing ↗
  10. Duolingo, Inc. DUOL S Open-market sale × 4 1,514 shares $266.3K
    The 4 lots that make up this line, each with the source behind it.
    Shares Price Value Filing
    120 $173.97 $20.9K SEC filing ↗
    594 $175.15 $104.0K SEC filing ↗
    320 $175.94 $56.3K SEC filing ↗
    480 $177.19 $85.1K SEC filing ↗
  11. Duolingo, Inc. DUOL S Open-market sale 1,282 shares $228.1K at $177.95 SEC filing ↗
  12. Duolingo, Inc. DUOL M Option exercise or conversionnot a buy/sell decision 1,700 shares $24.5K at $14.42 SEC filing ↗
  13. Duolingo, Inc. DUOL S Open-market sale 1,515 shares $486.9K at $321.36 SEC filing ↗
  14. Duolingo, Inc. DUOL G Bona fide giftnot a buy/sell decisionreported at zero 750 shares $0 at $0.00 SEC filing ↗
  15. Duolingo, Inc. DUOL S Open-market sale 1,282 shares $421.8K at $329.03 SEC filing ↗
  16. Duolingo, Inc. DUOL S Open-market sale × 3 867 shares $458.1K
    The 3 lots that make up this line, each with the source behind it.
    Shares Price Value Filing
    100 $530.22 $53.0K SEC filing ↗
    467 $529.25 $247.2K SEC filing ↗
    300 $526.44 $157.9K SEC filing ↗

Disclosed holdings

Shares is the amount on the form; value is that amount times the closing price shown. Rows with no closing price are left blank, so they may add up to less than the headline figure.

What is not counted here

Each row is one filing you can open. Private companies, real estate, bonds and crypto are not in SEC insider filings and are therefore not counted here.

Equity positions disclosed to the SEC, with the source filing behind each row.
Issuer Ticker Security Shares Close Value Form Reported Filing
Duolingo, Inc. DUOL Class A Common Stock 30,545 $154.46 $4.7M 4 EDGAR ↗

Other insiders at the same companies

People who also file with the SEC at a company where Stephen C Chen reports shares.

Sharing a filing does not mean they work together day to day — it means both names appear on the same issuer’s insider record.

Sources

The filings linked in the tables above are the sources for every figure on this page.

Think a number here is wrong? Open the linked filing and compare — how to report it.

Profile record last refreshed Sep 8, 2026.