Mark G Foletta
CIK 1236389 · View on SEC EDGAR ↗
Insider
First SEC filing: June 1, 2026 · Latest: June 1, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
6 sells (S)
Net:
$-741,552
+ 39 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
39 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 3, 2026 | DXCM | S 10b5-1 | 2,000 | $85.32 | $170,640 | 48,852 Indirect | -3.93% | Disposed | 4.8% (price as of 2026-08-21) |
| July 31, 2026 | DXCM | S 10b5-1 | 2,000 | $80.00 | $160,000 | 50,852 Indirect | -3.78% | Disposed | 11.8% (price as of 2026-08-21) |
| June 15, 2026 | AMN | S 10b5-1 | 2,000 | $31.07 | $62,140 | 17,917 Indirect | -10.04% | Disposed | 11.3% (price as of 2026-08-21) |
| June 15, 2026 | AMN | S 10b5-1 | 1,681 | $31.07 | $52,229 | 19,917 Indirect | -7.78% | Disposed | 11.3% (price as of 2026-08-21) |
| June 15, 2026 | DXCM | S 10b5-1 | 199 | $74.82 | $14,889 | 52,852 Indirect | -0.38% | Disposed | 19.5% (price as of 2026-08-21) |
| June 15, 2026 | DXCM | S 10b5-1 | 3,801 | $74.10 | $281,654 | 53,051 Indirect | -6.69% | Disposed | 20.7% (price as of 2026-08-21) |
| Aug. 15, 2025 | DXCM | S 10b5-1 | 195 | $81.54 | $15,900 | 51,121 Indirect | -0.38% | Disposed | 9.7% (price as of 2026-08-21) |
| Aug. 15, 2025 | DXCM | S 10b5-1 | 2,555 | $81.02 | $207,006 | 51,316 Indirect | -4.74% | Disposed | 10.4% (price as of 2026-08-21) |
| July 15, 2025 | DXCM | S 10b5-1 | 8 | $86.03 | $688 | 53,871 Indirect | -0.01% | Disposed | 4.0% (price as of 2026-08-21) |
| July 15, 2025 | DXCM | S 10b5-1 | 2,742 | $85.17 | $233,536 | 53,879 Indirect | -4.84% | Disposed | 5.0% (price as of 2026-08-21) |
| June 16, 2025 | DXCM | S 10b5-1 | 2,750 | $83.13 | $228,608 | 56,621 Indirect | -4.63% | Disposed | 7.6% (price as of 2026-08-21) |
| June 18, 2024 | DXCM | S 10b5-1 | 299 | $117.25 | $35,058 | 56,398 Indirect | -0.53% | Disposed | -23.7% (price as of 2026-08-21) |
| June 18, 2024 | DXCM | S 10b5-1 | 3,007 | $116.75 | $351,067 | 56,697 Indirect | -5.04% | Disposed | -23.4% (price as of 2026-08-21) |
| June 17, 2024 | DXCM | S 10b5-1 | 475 | $117.77 | $55,941 | 59,704 Indirect | -0.79% | Disposed | -24.1% (price as of 2026-08-21) |
| June 17, 2024 | DXCM | S 10b5-1 | 2,212 | $117.16 | $259,158 | 60,179 Indirect | -3.55% | Disposed | -23.7% (price as of 2026-08-21) |
| June 17, 2024 | DXCM | S 10b5-1 | 7 | $115.18 | $806 | 62,391 Indirect | -0.01% | Disposed | -22.3% (price as of 2026-08-21) |
| Feb. 29, 2024 | AMN | P | 500 | $56.90 | $28,450 | 8,573 Direct | +6.19% | Acquired | -39.2% (price as of 2026-08-21) |
| April 21, 2023 | AMN | S 10b5-1 | 1,458 | $88.78 | $129,441 | 8,073 Direct | -15.30% | Disposed | -61.0% (price as of 2026-08-21) |
| April 11, 2023 | AMN | S 10b5-1 | 1,053 | $84.63 | $89,115 | 8,073 Direct | -11.54% | Disposed | -59.1% (price as of 2026-08-21) |
| April 11, 2023 | AMN | S 10b5-1 | 4,989 | $84.29 | $420,523 | 9,126 Direct | -35.35% | Disposed | -59.0% (price as of 2026-08-21) |
| Dec. 1, 2021 | DXCM | S 10b5-1 | 41 | $569.54 | $23,351 | 12,597 Indirect | -0.32% | Disposed | -37.2% (price as of 2026-08-21) |
| Dec. 1, 2021 | DXCM | S 10b5-1 | 2 | $567.35 | $1,135 | 12,638 Indirect | -0.02% | Disposed | -36.9% (price as of 2026-08-21) |
| Dec. 1, 2021 | DXCM | S 10b5-1 | 87 | $565.51 | $49,199 | 12,640 Indirect | -0.68% | Disposed | -36.7% (price as of 2026-08-21) |
| Dec. 1, 2021 | DXCM | S 10b5-1 | 65 | $564.24 | $36,676 | 12,727 Indirect | -0.51% | Disposed | -36.6% (price as of 2026-08-21) |
| Dec. 1, 2021 | DXCM | S 10b5-1 | 116 | $562.79 | $65,284 | 12,792 Indirect | -0.90% | Disposed | -36.4% (price as of 2026-08-21) |
| Dec. 1, 2021 | DXCM | S 10b5-1 | 78 | $561.85 | $43,824 | 12,908 Indirect | -0.60% | Disposed | -36.3% (price as of 2026-08-21) |
| Dec. 1, 2021 | DXCM | S 10b5-1 | 70 | $558.78 | $39,115 | 12,986 Indirect | -0.54% | Disposed | -36.0% (price as of 2026-08-21) |
| Dec. 1, 2021 | DXCM | S 10b5-1 | 41 | $556.89 | $22,832 | 13,056 Indirect | -0.31% | Disposed | -35.8% (price as of 2026-08-21) |
| Nov. 1, 2021 | DXCM | S 10b5-1 | 40 | $634.01 | $25,360 | 13,097 Indirect | -0.30% | Disposed | -43.6% (price as of 2026-08-21) |
| Nov. 1, 2021 | DXCM | S 10b5-1 | 40 | $631.26 | $25,250 | 13,137 Indirect | -0.30% | Disposed | -43.3% (price as of 2026-08-21) |
| Nov. 1, 2021 | DXCM | S 10b5-1 | 42 | $629.33 | $26,432 | 13,177 Indirect | -0.32% | Disposed | -43.2% (price as of 2026-08-21) |
| Nov. 1, 2021 | DXCM | S 10b5-1 | 76 | $628.41 | $47,759 | 13,219 Indirect | -0.57% | Disposed | -43.1% (price as of 2026-08-21) |
| Nov. 1, 2021 | DXCM | S 10b5-1 | 56 | $627.79 | $35,156 | 13,295 Indirect | -0.42% | Disposed | -43.0% (price as of 2026-08-21) |
| Nov. 1, 2021 | DXCM | S 10b5-1 | 7 | $626.04 | $4,382 | 13,351 Indirect | -0.05% | Disposed | -42.9% (price as of 2026-08-21) |
| Nov. 1, 2021 | DXCM | S 10b5-1 | 124 | $625.32 | $77,540 | 13,358 Indirect | -0.92% | Disposed | -42.8% (price as of 2026-08-21) |
| Nov. 1, 2021 | DXCM | S 10b5-1 | 43 | $624.10 | $26,836 | 13,482 Indirect | -0.32% | Disposed | -42.7% (price as of 2026-08-21) |
| Nov. 1, 2021 | DXCM | S 10b5-1 | 13 | $622.62 | $8,094 | 13,525 Indirect | -0.10% | Disposed | -42.5% (price as of 2026-08-21) |
| Nov. 1, 2021 | DXCM | S 10b5-1 | 14 | $619.32 | $8,670 | 13,538 Indirect | -0.10% | Disposed | -42.2% (price as of 2026-08-21) |
| Nov. 1, 2021 | DXCM | S 10b5-1 | 45 | $615.13 | $27,681 | 13,552 Indirect | -0.33% | Disposed | -41.8% (price as of 2026-08-21) |
| Oct. 1, 2021 | DXCM | S 10b5-1 | 1 | $551.58 | $552 | 13,597 Indirect | -0.01% | Disposed | -35.1% (price as of 2026-08-21) |
| Oct. 1, 2021 | DXCM | S 10b5-1 | 51 | $547.06 | $27,900 | 13,598 Indirect | -0.37% | Disposed | -34.6% (price as of 2026-08-21) |
| Oct. 1, 2021 | DXCM | S 10b5-1 | 181 | $544.39 | $98,535 | 13,649 Indirect | -1.31% | Disposed | -34.3% (price as of 2026-08-21) |
| Oct. 1, 2021 | DXCM | S 10b5-1 | 126 | $543.15 | $68,437 | 13,830 Indirect | -0.90% | Disposed | -34.1% (price as of 2026-08-21) |
| Oct. 1, 2021 | DXCM | S 10b5-1 | 88 | $540.93 | $47,602 | 13,956 Indirect | -0.63% | Disposed | -33.9% (price as of 2026-08-21) |
| Oct. 1, 2021 | DXCM | S 10b5-1 | 6 | $539.10 | $3,235 | 14,044 Indirect | -0.04% | Disposed | -33.6% (price as of 2026-08-21) |
| Oct. 1, 2021 | DXCM | S 10b5-1 | 47 | $538.02 | $25,287 | 14,050 Indirect | -0.33% | Disposed | -33.5% (price as of 2026-08-21) |
| June 11, 2021 | AMN | S | 2,500 | $95.02 | $237,550 | 12,276 Direct | -16.92% | Disposed | -63.6% (price as of 2026-08-21) |
| Nov. 16, 2020 | DXCM | S 10b5-1 | 301 | $342.93 | $103,222 | 13,202 Indirect | -2.23% | Disposed | 4.3% (price as of 2026-08-21) |
| Nov. 16, 2020 | DXCM | S 10b5-1 | 428 | $341.79 | $146,286 | 13,503 Indirect | -3.07% | Disposed | 4.7% (price as of 2026-08-21) |
| Nov. 16, 2020 | DXCM | S 10b5-1 | 117 | $340.23 | $39,807 | 13,931 Indirect | -0.83% | Disposed | 5.2% (price as of 2026-08-21) |
| Nov. 16, 2020 | DXCM | S 10b5-1 | 139 | $337.78 | $46,951 | 14,048 Indirect | -0.98% | Disposed | 5.9% (price as of 2026-08-21) |
| Nov. 16, 2020 | DXCM | S 10b5-1 | 15 | $336.98 | $5,055 | 14,187 Indirect | -0.11% | Disposed | 6.2% (price as of 2026-08-21) |
| Oct. 15, 2020 | DXCM | S 10b5-1 | 208 | $398.25 | $82,836 | 14,202 Indirect | -1.44% | Disposed | -10.2% (price as of 2026-08-21) |
| Oct. 15, 2020 | DXCM | S 10b5-1 | 375 | $397.41 | $149,029 | 14,410 Indirect | -2.54% | Disposed | -10.0% (price as of 2026-08-21) |
| Oct. 15, 2020 | DXCM | S 10b5-1 | 255 | $396.51 | $101,110 | 14,785 Indirect | -1.70% | Disposed | -9.8% (price as of 2026-08-21) |
| Oct. 15, 2020 | DXCM | S 10b5-1 | 120 | $395.02 | $47,402 | 15,040 Indirect | -0.79% | Disposed | -9.4% (price as of 2026-08-21) |
| Oct. 15, 2020 | DXCM | S 10b5-1 | 42 | $391.48 | $16,442 | 15,160 Indirect | -0.28% | Disposed | -8.6% (price as of 2026-08-21) |
| Sept. 14, 2020 | DXCM | S 10b5-1 | 114 | $397.75 | $45,344 | 15,202 Indirect | -0.74% | Disposed | -10.1% (price as of 2026-08-21) |
| Sept. 14, 2020 | DXCM | S 10b5-1 | 121 | $396.17 | $47,937 | 15,316 Indirect | -0.78% | Disposed | -9.7% (price as of 2026-08-21) |
| Sept. 14, 2020 | DXCM | S 10b5-1 | 222 | $395.28 | $87,752 | 15,437 Indirect | -1.42% | Disposed | -9.5% (price as of 2026-08-21) |
| Sept. 14, 2020 | DXCM | S 10b5-1 | 231 | $393.73 | $90,952 | 15,659 Indirect | -1.45% | Disposed | -9.1% (price as of 2026-08-21) |
Showing latest 100 of 183 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| May 2, 2025 | AMN | Restricted Stock Units | Common Stock (8,325) | — | — | 8,325 | Acquired |
| April 19, 2025 | AMN | Restricted Stock Units | Common Stock (3,019) | — | — | 3,019 | Disposed |
| March 13, 2025 | ENTA | Stock Option (right to buy) | Common Stock (15,700) | $6.83 | March 13, 2035 | 15,700 | Acquired |
| April 19, 2024 | AMN | Restricted Stock Units | Common Stock (3,019) | — | — | 3,019 | Acquired |
| April 19, 2024 | AMN | Restricted Stock Units | Common Stock (1,681) | — | — | 1,681 | Disposed |
| March 6, 2024 | ENTA | Stock Option (right to buy) | Common Stock (15,700) | $15.66 | March 6, 2034 | 15,700 | Acquired |
| May 17, 2023 | AMN | Restricted Stock Units | Common Stock (1,681) | — | — | 1,681 | Acquired |
| April 21, 2023 | AMN | Restricted Stock Units | Common Stock (1,458) | — | — | 1,458 | Disposed |
| March 2, 2023 | ENTA | Stock Option (right to buy) | Common Stock (10,800) | $47.72 | March 2, 2033 | 10,800 | Acquired |
| April 21, 2022 | AMN | Restricted Stock Units | Common Stock (1,458) | — | — | 1,458 | Acquired |
| April 21, 2022 | AMN | Restricted Stock Units | Common Stock (2,139) | — | — | 2,139 | Disposed |
| March 3, 2022 | ENTA | Stock Option (right to buy) | Common Stock (7,500) | $68.22 | March 3, 2032 | 7,500 | Acquired |
| April 21, 2021 | AMN | Restricted Stock Units | Common Stock (2,826) | — | — | 2,826 | Disposed |
| April 21, 2021 | AMN | Restricted Stock Units | Common Stock (2,139) | — | — | 2,139 | Acquired |
| March 2, 2021 | ENTA | Stock Option (right to buy) | Common Stock (7,500) | $49.92 | March 2, 2031 | 7,500 | Acquired |
| June 29, 2020 | ENTA | Stock Option (right to buy) | Common Stock (17,000) | $49.04 | June 29, 2030 | 17,000 | Acquired |
| April 22, 2020 | AMN | Restricted Stock Units | Common Stock (2,826) | — | — | 2,826 | Acquired |
| April 17, 2020 | AMN | Restricted Stock Units | Common Stock (2,907) | — | — | 2,907 | Disposed |
| Oct. 4, 2019 | FBRX | Employee Stock Option (right to buy) | Common Stock (30,000) | $0.64 | Oct. 3, 2029 | 30,000 | Acquired |
| April 17, 2019 | AMN | Restricted Stock Units | Common Stock (2,907) | — | — | 2,907 | Acquired |
| April 17, 2019 | AMN | Restricted Stock Units | Common Stock (2,153) | — | — | 2,153 | Disposed |
| March 1, 2019 | FBRX | Employee Stock Option (right to buy) | Common Stock (75,000) | $11.00 | Feb. 28, 2029 | 75,000 | Acquired |
| April 18, 2018 | AMN | Restricted Stock Units | Common Stock (3,365) | — | — | 3,365 | Disposed |
| April 18, 2018 | AMN | Restricted Stock Units | Common Stock (2,153) | — | — | 2,153 | Acquired |
| March 1, 2018 | FBRX | Employee Stock Option (right to buy) | Common Stock (85,000) | $11.19 | Feb. 29, 2028 | 85,000 | Acquired |
| May 26, 2017 | FBRX | Employee Stock Option (right to buy) | Common Stock (85,000) | $16.32 | May 25, 2027 | 85,000 | Acquired |
| April 19, 2017 | AMN | Restricted Stock Units | Common Stock (3,793) | — | — | 3,793 | Disposed |
| April 18, 2017 | AMN | Restricted Stock Units | Common Stock (3,365) | — | — | 3,365 | Acquired |
| April 20, 2016 | AMN | Restricted Stock Units | Common Stock (3,793) | — | — | 3,793 | Acquired |
| April 20, 2016 | AMN | Restricted Stock Units | Common Stock (5,532) | — | — | 5,532 | Disposed |
| April 22, 2015 | AMN | Restricted Stock Units | Common Stock (5,532) | — | — | 5,532 | Acquired |
| April 23, 2014 | AMN | Restricted Stock Units | Common Stock (10,490) | — | — | 10,490 | Acquired |
| April 24, 2013 | AMN | Restricted Stock Units | Common Stock (10,015) | — | — | 10,015 | Acquired |
| Dec. 10, 2012 | AMN | Restricted Stock Units | Common Stock (4,092) | — | — | 4,092 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 12, 2017 | FBRX | Employee Stock Option (right to buy)→ Common Stock (69,636) | 69,636 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2020 | $180,000 | — | — | — | — | — | $458,686 | $689,961 |
| 2018 | $378,981 | — | — | $701,054 | $160,688 | — | $426 | $1,241,149 |
| 2017 | $304,808 | — | — | $1,696,383 | $145,088 | — | $563 | $2,146,842 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.