Mark G. Foletta is Director at DEXCOM INC (DXCM). They have made 28 open-market trades across 5 companies since 2006, most recently 2026-08-03.
CIK 0001236389
4 open-market purchases totalling $176K since 2015, against 24 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| DXCM | SELL · 10b5-1 | 2026-07-31 | 2026-08-04 | $82.66 | $331K | +5.1% | +5.0% | — |
| AMN | SELL · 10b5-1 | 2026-06-15 | 2026-06-17 | $31.07 | $114K | +0.3% | +8.3% | +5.4% |
| DXCM | SELL · 10b5-1 | 2026-06-15 | 2026-06-17 | $74.13 | $297K | -7.2% | +5.6% | +19.1% |
| DXCM | SELL · 10b5-1 | 2025-08-15 | 2025-08-18 | $81.04 | $430K | -6.9% | -5.3% | -27.5% |
| DXCM | SELL · 10b5-1 | 2025-07-15 | 2025-07-17 | $85.17 | $468K | +5.5% | -4.6% | -22.8% |
| DXCM | SELL · 10b5-1 | 2025-06-16 | 2025-06-18 | $83.13 | $457K | +2.4% | +2.8% | -6.2% |
| DXCM | SELL · 10b5-1 | 2024-06-17 | 2024-06-20 | $117.00 | $1.4M | -4.0% | -4.7% | -40.7% |
| AMN | BUY | 2024-02-29 | 2024-03-01 | $56.90 | $28K | +3.4% | +8.1% | -5.5% |
| AMN | SELL | 2023-04-21 | 2023-04-25 | $88.78 | $259K | +5.3% | +11.3% | +28.7% |
| AMN | SELL | 2023-04-11 | 2023-04-13 | $84.35 | $1.0M | -0.3% | +9.3% | +24.3% |
| DXCM | SELL | 2021-12-01 | 2021-12-02 | $562.82 | $347K | -4.6% | -7.2% | -25.1% |
| DXCM | SELL | 2021-11-01 | 2021-11-02 | $626.12 | $391K | -0.1% | -13.4% | -33.5% |
| DXCM | SELL | 2021-10-01 | 2021-10-05 | $543.39 | $439K | +1.3% | +17.2% | -3.1% |
| AMN | SELL | 2021-06-11 | 2021-06-15 | $95.02 | $238K | -1.9% | -0.2% | +17.9% |
| DXCM | SELL | 2020-11-16 | 2020-11-18 | $341.72 | $591K | +0.3% | +9.7% | +23.7% |
| DXCM | SELL | 2020-10-15 | 2020-10-19 | $396.91 | $647K | -15.6% | -17.2% | -10.0% |
| DXCM | SELL | 2020-09-14 | 2020-09-16 | $394.25 | $573K | +4.6% | +5.8% | -7.4% |
| DXCM | SELL · 10b5-1 | 2020-03-03 | 2020-03-04 | $277.08 | $277K | -28.2% | -7.5% | +33.3% |
| DXCM | SELL | 2020-02-03 | 2020-02-05 | $237.74 | $434K | +22.5% | +18.6% | +50.7% |
| DXCM | SELL | 2020-01-03 | 2020-01-07 | $217.99 | $407K | +0.0% | +3.6% | +16.7% |
| DXCM | SELL | 2019-12-03 | 2019-12-05 | $227.75 | $439K | -4.9% | -1.1% | +24.3% |
| TOCA | BUY | 2019-05-28 | 2019-05-29 | $4.30 | $22K | +14.6% | +48.1% | -20.8% |
| DXCM | SELL | 2019-05-15 | 2019-05-17 | $121.90 | $122K | +2.5% | +28.5% | +35.5% |
| DXCM | SELL | 2019-04-15 | 2019-04-17 | $119.12 | $190K | +8.2% | +5.5% | +33.9% |
| DXCM | SELL | 2019-03-15 | 2019-03-19 | $150.28 | $150K | -19.0% | -22.3% | +2.3% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.