The cluster of C-suite selling (both Co-CEOs and CFO) within a 2-day window is a bearish signal, though the dollar amount is modest relative to market cap. Monitor for any upcoming 8-K filings (earnings, guidance, or material agreements) that could explain the timing. Consider hedging long positions or reducing exposure until the next catalyst.
Price Chart
Executive Summary
A cluster of insider selling at Dropbox (DBX) totaling $16.38M over a 7-day window, led by Co-CEO Andrew Houston ($13.44M) and CFO Ross Tennenbaum ($3.42M). The selling is concentrated in open-market sales by top C-suite executives, which is notable given the $8.4B market cap (0.2% of market cap). While insider sales are generally less predictive than buys, the involvement of both Co-CEOs and the CFO in a tight cluster warrants attention, especially with the company's mixed analyst consensus (6% bullish) and recent institutional trimming.
Key Financial Metrics
Key Facts
- Total insider selling of $16.38M over 7 days, representing ~0.2% of $8.4B market cap
- Co-CEO Andrew Houston sold $13.44M (324,432 + 59,368 shares) on 2026-09-10
- CFO Ross Tennenbaum sold $3.42M (97,558 shares) on 2026-09-10
- Co-CEO Ashraf Alkarmi sold $1.02M (28,800 shares) on 2026-09-11
- Co-CEO Houston also converted 383,800 derivative shares at $0 (non-cash) on 2026-09-10
- Director Lisa Campbell sold $160K and CLO William Yoon sold $431K on 2026-09-04
- Analyst consensus is 6% bullish (0 Strong Buy, 1 Buy, 7 Hold, 7 Sell, 1 Strong Sell)
- Institutional 13F shows 7 trims and 5 doubled positions in Q2 2026
Financial Impact
$16.38M in open-market sales by insiders, ~0.2% of market cap
Risk Factors
- Insider sales may be liquidity-driven (10b5-1 plans, diversification) rather than informational
- The $16.38M is only 0.2% of market cap, below the 0.5% threshold for 'significant' impact
- Co-CEO Houston's derivative conversion (non-cash) suggests some sales may be for tax or plan purposes
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-1789511786442 |
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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