DXCM DEXCOM INC
Price Chart
Executive Summary
Executive Chair Kevin Sayer sold $1.93M worth of DXCM shares in an open-market sale on May 21, while multiple C-suite executives surrendered shares for tax withholding on May 22. The cluster is dominated by Sayer's sale, representing ~0.007% of market cap — a trivial amount. The tax-withholding transactions are non-cash events with no economic signal. Historical calibration on DXCM reports shows poor T+20 performance (avg -9.93%, 0% win rate), and the score-6/7/8 cells have observed up-move probabilities below 33%, suggesting caution against over-scoring.
Key Financial Metrics
Actionable Insight
This cluster is routine and non-informative. Sayer's single sale at ~0.007% of market cap is too small to signal anything. The tax-withholding transactions are mechanical vesting events. No actionable trading signal — ignore.
Key Facts
- Executive Chair Kevin Sayer sold 26,759 shares at $72.00 for $1.93M on May 21
- Five C-suite executives (CEO, CFO, CCO, Chief Legal, Chief People) surrendered shares for tax withholding on May 22 — total $946K, all non-cash events
- Total cluster value of $2.03M represents ~0.007% of DXCM's $27.8B market cap — trivial
- Sayer's sale is a single open-market transaction; no pattern of clustered selling by multiple insiders
- Historical calibration: past DXCM reports averaged -9.93% T+20 with 0% win rate; score-6/7 cells show <33% up-move probability
Financial Impact
Sayer's sale of $1.93M is 0.007% of market cap — immaterial. Tax-withholding transactions total $946K with zero economic value.
Risk Factors
- None from this filing — cluster is trivial in size and dominated by non-cash tax events
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-DXCM-1779914392668 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
May 26, 2026
14d ago
|
Insider Cluster
| $70.17 $73.45 | ▲ +4.67% | ▲ +3.46% | $76.62 (+9.19%) |
|
May 26, 2026
14d ago
|
Insider Cluster
| $70.17 $72.70 | ▲ +3.61% | ▲ +3.14% | $76.62 (+9.19%) |
|
May 19, 2026
21d ago
|
Insider Cluster
| $71.24 $72.27 | ▲ +1.45% | ▼ −0.36% | $76.62 (+7.55%) |
|
Apr 15, 2026
7w ago
|
DEFA14A
| $61.01 $62.68 | ▲ +2.74% | ▲ +1.75% | $76.62 (+25.58%) |
|
Feb 28, 2026
14w ago
|
Institutional Cluster
| $73.51 $68.67 | ▼ −6.58% | ▼ −5.38% | $76.62 (+4.23%) |
US Market Status
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