Sadie Stern sold $227k of DXCM
EVP Chief People & Culture Off at DEXCOM INC. 2,565 shares at an average of $88.37, traded Aug 27, 2026, filed Aug 28, 2026.
Score components
- +15RoleOfficer
- +13Trade size$227k at market
- 0Share of holdings soldSold 2.0% of holdings
- +15Cluster4 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001093557-26-000161, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 27, 2026 | SOpen-market sale Common Stock10b5-1 | -2,565 | $88.37 | $227k | 126,043 | Aug 28, 2026 |
Related signals
Other insiders at DEXCOM INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 22Weak | DEXCOM INC | Sadie Stern EVP Chief People & Culture Off | $221k 2,565 shares | -2% | |
| 36Weak | DEXCOM INC | Nicholas Augustinos director | $680k 8,089 shares | -22% | |
| 21Weak | DEXCOM INC | Michael Jon Brown EVP Chief Legal Compliance Off | $143k 1,700 shares | -2% | |
| 31Weak | DEXCOM INC | Jereme M Sylvain EVP, Chief Financal Officer | $303k 3,638 shares | -2% | |
| 40Moderate | DEXCOM INC | Kevin R Sayer Executive Chair | $2.4M 26,756 shares | -8% | |
| 21Weak | DEXCOM INC | Michael Jon Brown EVP Chief Legal Compliance Off | $156k 1,700 shares | -2% | |
| 19Weak | DEXCOM INC | Bridgette P Heller director | $89k 1,012 shares | -3% | |
| 25Weak | DEXCOM INC | Mark G Foletta director | $331k 4,000 shares | -8% | |
| 40Moderate | DEXCOM INC | Kevin R Sayer Executive Chair | $2.0M 26,756 shares | -8% | |
| 14Weak | DEXCOM INC | Michael Jon Brown EVP Chief Legal Compliance Off | $127k 1,700 shares | -2% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.