Updated Jul 16, 2026
FOLETTA MARK G has filed 5 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $1.10M.

| Role | Director |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-17 | DXCM | DEXCOM INC | S — Open-market sale | 199 | $74.82 | $15K |
| 2026-06-17 | DXCM | DEXCOM INC | S — Open-market sale | 3.8K | $74.10 | $282K |
| 2026-06-17 | AMN | AMN HEALTHCARE SERVICES INC | S — Open-market sale | 2.0K | $31.07 | $62K |
| 2026-06-17 | AMN | AMN HEALTHCARE SERVICES INC | S — Open-market sale | 1.7K | $31.07 | $52K |
| 2026-06-01 | DXCM | DEXCOM INC | A — Grant or award | 6.3K | $0.00 | |
| 2026-05-11 | DXCM | DEXCOM INC | G — Bona-fide gift | 5.7K | $0.00 | |
| 2026-05-11 | DXCM | DEXCOM INC | G — Bona-fide gift | 5.7K | $0.00 | |
| 2026-05-04 | AMN | AMN HEALTHCARE SERVICES INC | M — Option exercise | 8.3K | $0.00 | |
| 2025-08-15 | DXCM | DEXCOM INC | S — Open-market sale | 195 | $81.54 | $16K |
| 2025-08-15 | DXCM | DEXCOM INC | S — Open-market sale | 2.6K | $81.02 | $207K |
| 2025-07-15 | DXCM | DEXCOM INC | S — Open-market sale | 8 | $86.03 | $688 |
| 2025-07-15 | DXCM | DEXCOM INC | S — Open-market sale | 2.7K | $85.17 | $234K |
| 2025-06-16 | DXCM | DEXCOM INC | S — Open-market sale | 2.8K | $83.13 | $229K |
| 2025-05-08 | DXCM | DEXCOM INC | A — Grant or award | 5.7K | $0.00 | |
| 2025-05-08 | DXCM | DEXCOM INC | G — Bona-fide gift | 3.0K | $0.00 | |
| 2025-05-08 | DXCM | DEXCOM INC | G — Bona-fide gift | 3.0K | $0.00 | |
| 2025-04-19 | AMN | AMN HEALTHCARE SERVICES INC | M — Option exercise | 3.0K | $0.00 |
FOLETTA MARK G is a corporate insider — currently tracked as Director of DEXCOM INC (DXCM). InsiderAlpha tracks every SEC Form 4 filing in real time.
5 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 9 open-market sales ($1.10M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live FOLETTA MARK G profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.