This cluster is too small to warrant a trading signal. Monitor for larger insider sales (>$6.5M aggregate) or a broader C-suite selling pattern that would indicate a material change in management's view. The next quarterly earnings (Q3 2026) will be the key catalyst for DUOL.
Price Chart
Executive Summary
Two C-suite insiders at Duolingo (Chief Business Officer and General Counsel) sold a combined $307K in open-market sales on August 17, 2026, at ~$129.13/share. This is a small cluster relative to Duolingo's $6.5B market cap (0.005%), making it a routine, non-informative event despite the C-suite involvement. The sales are likely liquidity-driven, as the dollar amount is trivial and no other material corporate events are present in the filing context.
Key Financial Metrics
Key Facts
- Two C-suite insiders sold shares: Chief Business Officer Robert Meese (1,354 shares, $174,842) and General Counsel Stephen C. Chen (1,024 shares, $132,229).
- Total open-market sales: $307,071, representing ~0.005% of Duolingo's $6.5B market cap.
- All sales occurred on August 17, 2026, at $129.13/share.
- No insider purchases were reported in the cluster window.
- The cluster is too small to be material; the proportionality threshold for a notable signal (>0.1% of market cap) is $6.5M.
Financial Impact
$307,071 in insider sales, negligible relative to $6.5B market cap
Risk Factors
- Insider sales could accelerate if management perceives headwinds from AI competition or user growth deceleration.
- The stock's high valuation (29% analyst bullishness) leaves it vulnerable to any earnings miss.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-DUOL-1787198550130 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 20, 2026 6d ago | SC 13G/A | $139.58 | awaiting T+20 | — | $138.60 (−0.70%) |
Oct 7, 2026 19d ago | 144 | $151.22 | awaiting T+20 | — | $138.60 (−8.35%) |
Sep 23, 2026 4w ago | Insider Cluster | $147.75 $141.39 | ▲ +4.30% | ▲ +3.88% | $138.60 (+6.19%) |
Sep 18, 2026 5w ago | Insider Cluster | $149.42 $142.11 | ▲ +4.89% | ▲ +3.98% | $138.60 (+7.24%) |
Sep 15, 2026 5w ago | Insider Cluster | $148.17 $139.73 | ▼ −5.70% | ▼ −7.76% | $138.60 (−6.46%) |
Aug 19, 2026 9w ago | Insider Cluster | $147.03 $141.90 | ▼ −3.49% | ▼ −3.62% | $138.60 (−5.73%) |
Aug 18, 2026 9w ago | 8-K | $146.03 $147.10 | ▲ +0.73% | ▲ +2.68% | $138.60 (−5.09%) |
Aug 13, 2026 10w ago | Press Release | $144.10 $143.68 | ▼ −0.29% | ▲ +1.46% | $138.60 (−3.82%) |
Aug 12, 2026 10w ago | 3 | $144.10 $143.68 | ▼ −0.29% | ▲ +1.46% | $138.60 (−3.82%) |
Aug 10, 2026 11w ago | 8-K | $137.19 $146.39 | ▲ +6.71% | ▲ +7.62% | $138.60 (+1.03%) |
US Market Status
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