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WAVEMAN · COMPANY
DUOL · Duolingo, Inc.
> Ask across nine datasets ⌘K
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TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475
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DUOL

Duolingo, Inc.
SOFTWARE & IT · SERVICES-PREPACKAGED SOFTWARE · CIK 0001562088
FORM 144 · 4☆ WATCH
INSIDER NET · 180D
-$1.9M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
267
13F, latest reported quarter
REVENUE GROWTH
+38.7%
XBRL, annual
NET MARGIN
39.9%
CONVERSIONS · 180D
6
codes C/M, not in net · $585.1K priced
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$1.9M over 180 days
-$874.4K over 90 days
below 54% of Software & IT
CONGRESS
no member of Congress has reported trading it
FUNDS
267 funds added or opened last quarter
more than 82% of Software & IT
REVENUE
+38.7% year over year
more than 84% of Software & IT
MARGIN
39.9% net margin
more than 95% of Software & IT
BUYBACKS
$69.6M repurchased, FY to 2026-06-30
below 51% of Software & IT
SHORT
7.2 days to cover · settled 2026-07-31
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$1.9M across 3 people in 180 days.
267 funds added or opened positions in the latest 13F quarter, of 436 holders.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN -46.7%
-46.7%12M
-69%-39%-10%+20%2025-092025-102025-122026-032026-052026-072026-09 2025-09-19 · Hacker Severin sold $664.3K2025-09-19 · Hacker Severin sold $662.0K2025-09-19 · Hacker Severin sold $639.7K2025-10-06 · Hacker Severin sold $609.8K2025-10-06 · Hacker Severin sold $577.6K2025-09-05 · Hacker Severin sold $562.7K2025-09-19 · Hacker Severin sold $550.6K2025-11-19 · Hacker Severin sold $539.4K2025-09-05 · Hacker Severin sold $526.0K2025-10-06 · Hacker Severin sold $511.0K2025-10-20 · Hacker Severin sold $506.6K2026-03-03 · Shelton James H bought $498.8K2025-11-17 · Skaruppa Matthew sold $498.1K2025-11-04 · Hacker Severin sold $465.7K2025-11-04 · Hacker Severin sold $459.6K2025-11-17 · Glance Natalie sold $450.9K2025-09-05 · Hacker Severin sold $446.4K2025-09-05 · Hacker Severin sold $431.8K2025-11-04 · Hacker Severin sold $429.1K2025-10-06 · Hacker Severin sold $425.7K2025-10-20 · Hacker Severin sold $400.1K2025-10-06 · Hacker Severin sold $377.0K2025-09-19 · Hacker Severin sold $372.8K2026-08-17 · Glance Natalie sold $355.2K2025-10-20 · Hacker Severin sold $347.4K2025-11-19 · Hacker Severin sold $344.5K2025-10-20 · Hacker Severin sold $311.4K2025-11-04 · Hacker Severin sold $305.6K2025-09-05 · Hacker Severin sold $305.3K2025-10-20 · Hacker Severin sold $289.1K2025-11-17 · Meese Robert sold $257.0K2025-11-04 · Hacker Severin sold $242.2K2026-05-18 · Glance Natalie sold $233.2K2025-11-17 · Chen Stephen C. sold $228.1K2025-09-05 · Hacker Severin sold $226.6K2025-11-19 · Hacker Severin sold $220.8K2026-05-15 · Glance Natalie sold $216.4K2025-10-20 · Hacker Severin sold $216.0K2026-02-17 · Skaruppa Matthew sold $205.8K2026-02-18 · Skaruppa Matthew sold $201.7K2025-11-04 · Hacker Severin sold $201.4K2025-10-06 · Hacker Severin sold $195.9K2026-08-18 · NATALIE GLANCE filed to sell $200.3K2026-08-17 · STEPHEN CHEN filed to sell $132.2K2026-08-17 · ROBERT MEESE filed to sell $174.8K2026-08-17 · NATALIE GLANCE filed to sell $355.2K
INSIDER BUYINSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $1.9M sold by insiders over 180 days, 267 funds added last quarter, $862.6K in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
TEAMMETACRWVCRMNETCRWDDDOGDASHAPPIOTPCTYMDB
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Duolingo, Inc. insiders sold a net $1.9M of stock across 1,577 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-06.

INSIDER
FILED
SHARES
VALUE
Glance Natalie
Chief Engineering Officer
SELL
2026-08-18
502.0
$68.8K
Glance Natalie
Chief Engineering Officer
SELL
2026-08-18
1,037.0
$143.3K
Chen Stephen C.
General Counsel
SELL
2026-08-17
1,024.0
$132.2K
Glance Natalie
Chief Engineering Officer
SELL
2026-08-17
2,751.0
$355.2K
Meese Robert
Chief Business Officer
SELL
2026-08-17
1,354.0
$174.8K
1,577 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 1,572 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported
BAILLIE GIFFORD & CO
4,824,298.0 sh
$554.9M
BlackRock, Inc.
3,867,080.0 sh
$444.8M
AQR CAPITAL MANAGEMENT LLC
2,332,543.0 sh
$268.3M
VANGUARD CAPITAL MANAGEMENT LLC
1,745,689.0 sh
$200.8M
TWO SIGMA INVESTMENTS, LP
1,629,242.0 sh
$187.4M
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
NATALIE GLANCE
FILED 2026-08-18
$200.3K
STEPHEN CHEN
FILED 2026-08-17
$132.2K
ROBERT MEESE
FILED 2026-08-17
$174.8K
NATALIE GLANCE
FILED 2026-08-17
$355.2K
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
Alger Russell Innovation ETF
$228.6K POSITION · AS OF 2026-03-31
2.1%
Federated Hermes MDT Mid Cap Growth Fund
$84.7M POSITION · AS OF 2026-04-30
1.3%
VANGUARD BAILLIE GIFFORD GLOBAL POSITIVE IMPACT STOCK FUND
$3.2M POSITION · AS OF 2026-03-31
1.3%
Bushido Capital US SMID Cap Equity ETF
$2.0M POSITION · AS OF 2026-04-30
1.3%
Invesco S&P MidCap 400 GARP ETF
$6.0M POSITION · AS OF 2026-04-30
1.2%
Baillie Gifford U.S. Equity Growth Fund
$166.8K POSITION · AS OF 2026-03-31
1.1%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Executive pay vs shareholder return · (1)
DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself
FY
CEO TOTAL
ACTUALLY PAID
OTHER NEOs AVG
TSR
PEER TSR
2025
$767.5K
-$44.2M
$4.3M
+26%
+9%
2024
$767.2K
$129.0M
$3.4M
+133%
+10%
2023
$766.5K
$139.9M
$3.1M
+63%
-12%
2022
$765.2K
-$31.6M
$3.2M
-49%
-37%
2021
$74.4M
$78.0M
$19.7M
-24%
-4%
TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-122022-12
REVENUE$1.0B$748.0M$531.1M$369.5M
GROSS PROFIT$749.5M$544.4M$389.0M$270.1M
OPERATING INCOME$135.6M$62.6M$-13.3M$-65.2M
NET INCOME$414.1M$88.3M$16.1M$-59.6M
EPS (DILUTED)8.571.880.35-1.51
OPERATING CASH FLOW$387.8M$285.5M$153.6M$53.7M
CASH$1.0B$785.8M$747.6M$608.2M
BUYBACKS——$0$0
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-06 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-06 ALL SYSTEMS LIVE FOR MACHINES →