This insider cluster is immaterial — no actionable signal. Monitor for any upcoming earnings or product announcements that could drive the stock, but this filing alone does not warrant a trade.
Price Chart
Executive Summary
A cluster of insider selling at Dexcom, totaling ~$236K, is dominated by an EVP's open-market sale of $227K. The CEO and other C-suite executives also surrendered shares for tax withholding (non-cash events). Relative to Dexcom's $33.7B market cap, the total open-market sale value is ~0.0007%, which is trivial and routine. The cluster is not informative per the academic literature, as the selling is small and the tax-withholding transactions carry no economic signal.
Key Financial Metrics
Key Facts
- EVP Stern Sadie sold 2,565 shares open-market for ~$227K on 2026-08-27 at $88.37.
- Executive Chair Kevin Sayer sold 97 shares open-market for ~$9K on 2026-08-20 at $91.41.
- CEO Jacob Leach, EVP Michael Brown, EVP Stern Sadie, and CFO Jereme Sylvain each surrendered 1,451 shares for tax withholding (code F) on 2026-08-22 — non-cash events with no economic signal.
- Total open-market selling of ~$236K represents ~0.0007% of Dexcom's $33.7B market cap — trivial and routine.
- No 10b5-1 plan or regular pattern is evident, but the dollar amounts are immaterial.
Financial Impact
Total open-market selling of ~$236K is negligible relative to $33.7B market cap.
Risk Factors
- Insider selling is trivial and not indicative of bearish sentiment.
- Tax-withholding transactions are routine and non-informative.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-DXCM-1787950897793 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 14, 2026 17d ago | 8-K | $86.45 $89.53 | ▲ +3.56% | ▲ +1.44% | $86.23 (−0.25%) |
Aug 28, 2026 4w ago | Insider Cluster | $91.06 $84.53 | ▼ −7.17% | ▼ −7.03% | $86.23 (−5.30%) |
Aug 24, 2026 5w ago | Insider Cluster | $91.06 $91.06 | · 0.00% | ▼ −0.47% | $86.23 (−5.30%) |
Aug 17, 2026 6w ago | Insider Cluster | $88.76 $91.06 | ▲ +2.59% | ▲ +3.78% | $86.23 (−2.85%) |
Jul 21, 2026 10w ago | Insider Cluster | $71.43 $75.14 | ▲ +5.19% | ▲ +7.60% | $86.23 (+20.72%) |
Jun 17, 2026 15w ago | Insider Cluster | $72.47 $68.65 | ▼ −5.27% | ▼ −3.61% | $86.23 (+18.99%) |
May 26, 2026 18w ago | Insider Cluster | $70.17 $73.45 | ▲ +4.67% | ▲ +3.46% | $86.23 (+22.88%) |
May 26, 2026 18w ago | Insider Cluster | $70.17 $72.70 | ▲ +3.61% | ▲ +3.14% | $86.23 (+22.88%) |
May 19, 2026 19w ago | Insider Cluster | $71.24 $72.27 | ▲ +1.45% | ▼ −0.36% | $86.23 (+21.04%) |
Apr 15, 2026 24w ago | DEFA14A | $61.01 $62.68 | ▲ +2.74% | ▲ +1.75% | $86.23 (+41.33%) |
US Market Status
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