MARK G FOLETTA
CIK 1236389 · EVP & Chief Financial Officer · last filed 2026-06-01
MARK G FOLETTA is an EVP & Chief Financial Officer who has filed 117 SEC Form 4 insider transactions across 10 companies since 2007. The most recent filing, for DXCM, was dated Jun 1, 2026. Across all open-market trades the lifetime net is −$7.7M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $5.4M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$5.43M
10
117
-$7.75M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| DXCM | Director | 63,183 | $75.37 | $4.76M | -$5.33M | 37 | 2026-06-01 |
| AMN | Director | 21,598 | $30.80 | $665.2K | -$1.09M | 20 | 2026-05-04 |
| ENTA | Director | — | $11.90 | — | $0 | 7 | 2026-03-13 |
| Forte Biosciences, Inc. (TOCA) Delisted | EVP & Chief Financial Officer | 15,042 | — | — | $71.5K | 7 | 2019-10-04 |
| Regulus Therapeutics Inc. (RGLS) Delisted | Director | 81,910 | $8.16 | $668.4K | $76.4K | 7 | 2017-12-06 |
| AMN HEALTHCARE SERVICES INC (AHS) Delisted | Director | 5,532 | — | — | $0 | 4 | 2016-04-22 |
| BIOCEPT INC (BIOC) Delisted | Interim CFO | — | $0.43 | — | $0 | 1 | 2015-09-02 |
| AMBIT BIOSCIENCES CORP (AMBI) Delisted | Director | — | $0.54 | — | $0 | 2 | 2014-11-12 |
| AMYLIN PHARMACEUTICALS INC (AMLN) Delisted | SVP, Chief Financial Officer | 81,344 | — | — | -$1.48M | 25 | 2012-07-26 |
| ANADYS PHARMACEUTICALS INC (ANDS) Delisted | Director | — | — | — | $0 | 6 | 2011-05-27 |
Recent Filings
117 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-01 | DXCM | Grant (A) | +6,331 | $0 | EDGAR |
| 2026-05-11 | DXCM | Gift (G) | — | $0 | EDGAR |
| 2026-05-04 | AMN | Mixed | +8,325 | $0 | EDGAR |
| 2026-03-13 | ENTA | Grant (A) | — | $0 | EDGAR |
| 2025-08-18 | DXCM | Sell (S) | −2,750 | -$222.9K | EDGAR |
| 2025-07-17 | DXCM | Sell (S) | −2,750 | -$234.2K | EDGAR |
| 2025-06-18 | DXCM | Sell (S) | −2,750 | -$228.6K | EDGAR |
| 2025-05-12 | DXCM | Mixed | +5,731 | $0 | EDGAR |
| 2025-05-06 | AMN | Grant (A) | — | $0 | EDGAR |
| 2025-04-21 | AMN | Exer (M) | +3,019 | $0 | EDGAR |