Latest filingAug 19, 2026Most recent Form 4
DUOL
Duolingo, Inc.
NasdaqTechnologyServices-Prepackaged Software
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$87.4M5 sells
Net open-market-$87.4M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period5transactions
- S · Open-market sells · dominant5 · 100%
Activity by reported role
A joint filing can contribute to multiple roles5transactions
- Chief executive officer · dominant3 · 60%
- CBO1 · 20%
- GC1 · 20%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (3)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeGlance NatalieClass A Common Stock · Direct
169,111Aug 18, 2026
Chen Stephen C.Class A Common Stock · Direct
51,841Aug 17, 2026
Meese RobertClass A Common Stock · Direct
169,391Aug 17, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- GN-$567.3k
- MR-$174.8k
- CC-$132.2k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
DUOL transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| DUOL | Glance Natalie | CEO | sale10b5-1 | 1.03k | -$14.3M | S | +8.7% | 08/19 | 08/18 | |
| DUOL | Glance Natalie | CEO | sale10b5-1 | 502 | -$6.87M | S | +8.7% | 08/19 | 08/18 | |
| DUOL | Glance Natalie | CEO | sale10b5-1 | 2.75k | -$35.5M | S | +8.7% | 08/19 | 08/17 | |
| DUOL | Meese Robert | CBO | sale | 1.35k | -$17.4M | S | +8.7% | 08/19 | 08/17 | |
| DUOL | Chen Stephen C. | GC | sale | 1.02k | -$13.2M | S | +8.7% | 08/19 | 08/17 |
Duolingo, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Duolingo, Inc.?
Glance Natalie, Meese Robert, Chen Stephen C..
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Glance Natalie reported a sale on Aug 18, 2026 valued at $14.3M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $874,386.41. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.