The cluster is dominated by Co-CEO Houston's $13.4M sale, which follows derivative conversion — a common pattern for tax planning. However, the simultaneous CFO sale of $3.4M and lack of any insider buying creates a uniform bearish signal. Monitor for any upcoming 8-K or earnings pre-announcement; the cluster may precede a negative catalyst.
Price Chart
Executive Summary
Dropbox insiders, led by Co-CEO Andrew Houston, sold ~$13.4M in shares over a 7-day window ending September 10, 2026. Houston alone sold $13.4M (383,800 shares via derivative conversion + open-market sales), while the CFO sold $3.4M and other executives sold smaller amounts. The total open-market sales of ~$16.8M represent ~0.21% of Dropbox's $8.0B market cap — a modest but notable cluster. The sales coincide with derivative conversions, suggesting a tax-planning or liquidity motive, but the concentration in C-suite selling warrants attention.
Key Financial Metrics
Key Facts
- Co-CEO Andrew Houston sold 383,800 shares (combined conversion + open-market) for ~$13.4M on September 10, 2026
- CFO Ross Tennenbaum sold 97,558 shares for ~$3.4M on the same day
- Director Lisa M. Campbell sold 4,600 shares for ~$160K on September 4
- Chief Legal Officer William T. Yoon sold 12,400 shares for ~$431K on September 4
- Total open-market sales: ~$16.8M, or ~0.21% of $8.0B market cap
- Houston's sales followed derivative conversions (383,800 shares at $0), indicating option exercises
- No insider purchases were reported in the cluster
Financial Impact
Total insider sales of ~$16.8M represent ~0.21% of market cap — modest but concentrated in C-suite
Risk Factors
- Sales may be purely liquidity-driven (option exercise + tax planning), not informational
- No insider purchases to offset the selling signal
- Dropbox's analyst consensus is heavily bearish (6% bullish), suggesting the market already discounts negative views
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-DBX-1789449058097 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 21, 2026 5d ago | Institutional Cluster | $37.48 | awaiting T+20 | — | $37.73 (−0.67%) |
Oct 19, 2026 7d ago | Insider Cluster | $35.94 | awaiting T+20 | — | $37.73 (−4.98%) |
Oct 5, 2026 21d ago | Insider Cluster | $33.73 | awaiting T+20 | — | $37.73 (+11.86%) |
Sep 17, 2026 5w ago | Insider Cluster | $36.48 $35.57 | ▲ +2.49% | ▲ +2.70% | $37.73 (−3.43%) |
Sep 15, 2026 5w ago | Insider Cluster | $37.74 $35.62 | ▲ +5.62% | ▲ +7.68% | $37.73 (+0.03%) |
Sep 14, 2026 6w ago | Insider Cluster | $37.63 $35.60 | ▲ +5.39% | ▲ +8.37% | $37.73 (−0.27%) |
Sep 9, 2026 6w ago | Insider Cluster | $35.05 $34.14 | ▼ −2.60% | ▼ −4.97% | $37.73 (+7.65%) |
Aug 19, 2026 9w ago | Insider Cluster | $34.00 $36.48 | ▲ +7.29% | ▲ +7.29% | $37.73 (+10.97%) |
Aug 4, 2026 11w ago | Insider Cluster | $35.00 $34.50 | ▼ −1.43% | ▼ −0.83% | $37.73 (+7.80%) |
Jul 17, 2026 14w ago | Insider Cluster | $30.62 $34.28 | ▲ +11.95% | ▲ +7.50% | $37.73 (+23.22%) |
US Market Status
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