Nicholas Augustinos sold $680k of DXCM
director at DEXCOM INC. 8,089 shares at an average of $84.04, traded Sep 14, 2026, filed Sep 16, 2026.
Score components
- +15RoleDirector
- +21Trade size$680k at market
- +5Share of holdings soldSold 22% 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 0001093557-26-000179, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | SOpen-market sale Common Stockindirect: by Trust10b5-1 | -1,550 | $84.02 | $130k | 35,832 | 26 d ago |
| Sep 15, 2026 | SOpen-market sale Common Stockindirect: by Trust10b5-1 | -6,539 | $84.04 | $550k | 29,293 | 26 d ago |
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% | |
| 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% | |
| 17Weak | DEXCOM INC | Kyle Malady director | $54k 667 shares | -3% | |
| 20Weak | DEXCOM INC | Sadie Stern EVP, Chief HR Officer | $117k 1,466 shares | -1% | |
| 32Weak | DEXCOM INC | Jereme M Sylvain EVP, Chief Financal Officer | $358k 4,824 shares | -4% | |
| 9Weak | DEXCOM INC | Michael Jon Brown EVP, Chief Legal Officer | $40k 500 shares | -1% | |
| 15Weak | DEXCOM INC | Mark G Foletta director | $223k 2,750 shares | -5% | |
| 21Weak | DEXCOM INC | Sadie Stern EVP, Chief HR Officer | $130k 1,466 shares | -1% | |
| 16Weak | DEXCOM INC | Michael Jon Brown EVP, Chief Legal Officer | $43k 500 shares | -1% |
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.