Quentin S. Blackford, Chief Operating Officer & CFO at DEXCOM INC (DXCM), sold 40,848 shares at $398.30 ($16.3M) on 2020-09-09, disclosed to the SEC on 2020-09-11.
Seasonal sale ($16.3M) by Chief Operating Officer & CFO — this insider has traded DXCM in September in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $398.30 | 1,579 | $629K | 3.9% |
| 2 | $398.30 | 1,579 | $629K | 3.9% |
| 3 | $398.30 | 3,297 | $1.3M | 8.0% |
| 4 | $398.30 | 3,297 | $1.3M | 8.0% |
| 5 | $398.30 | 8,010 | $3.2M | 19.5% |
| 6 | $397.03 | 523 |
| $208K |
| 1.3% |
| 7 | $397.03 | 523 | $208K | 1.3% |
| 8 | $397.76 | 1,300 | $517K | 3.2% |
| 9 | $398.98 | 1,594 | $636K | 3.9% |
| 10 | $398.98 | 1,594 | $636K | 3.9% |
| 11 | $399.91 | 3,017 | $1.2M | 7.4% |
| 12 | $399.91 | 3,017 | $1.2M | 7.4% |
| 13 | $401.79 | 3,157 | $1.3M | 7.8% |
| 14 | $401.79 | 3,157 | $1.3M | 7.8% |
| 15 | $402.72 | 2,159 | $869K | 5.3% |
| 16 | $402.72 | 2,159 | $869K | 5.3% |
| 17 | $403.87 | 272 | $110K | 0.7% |
| 18 | $403.87 | 272 | $110K | 0.7% |
| 19 | $405.33 | 171 | $69K | 0.4% |
| 20 | $405.33 | 171 | $69K | 0.4% |
| Total | $399.68 avg | 40,848 | $16.3M | 100% |
| Filing → |
| IRTC | SELL | 2026-02-26 | $3.5M | — | Filing → |
| IRTC | SELL | 2025-11-04 | $5.1M | — | Filing → |
| IRTC | SELL | 2025-08-06 | $9.6M | — | Filing → |