Sylvain Jereme M
Officer · DXCM
As of 2026-09-16, Sylvain Jereme M has 17 Form 4 transactions on record across 1 company — 7 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $12.8M
- Indirect $0
| DXCM | direct | 146,828 sh | $12.8M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-10 | DXCM | Sale | 3,638 @ $83.27 | $303K | −2.4% of holding | 146,828 | Form 4 |
| 2025-09-02 | DXCM | Sale | 4,824 @ $74.17 | $358K | −3.9% of holding | 118,657 | Form 4 |
| 2025-03-12 | DXCM | Sale | 12,001 @ $70.38 | $845K | −8.9% of holding | 123,481 | Form 4 |
| 2025-03-10 | DXCM | Sale | 3,203 @ $74.04 | $237K | −2.3% of holding | 136,609 | Form 4 |
| 2025-03-10 | DXCM | Sale | 2,670 @ $73.22 | $195K | −1.9% of holding | 139,812 | Form 4 |
| 2025-03-10 | DXCM | Sale | 1,127 @ $74.70 | $84K | −0.8% of holding | 135,482 | Form 4 |
| 2025-01-29 | DXCM | Sale | 2,090 @ $86.91 | $182K | −2.4% of holding | 83,526 | Form 4 |
| 2024-12-16 | DXCM | Sale | 744 @ $76.87 | $57K | −0.9% of holding | 80,030 | Form 4 |
9 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-22 | DXCM | Withheld for tax | 1,451 | 150,390 | Form 4 |
| 2026-05-22 | DXCM | Withheld for tax | 1,451 | 151,841 | Form 4 |
| 2026-03-08 | DXCM | Withheld for tax | 18,950 | 153,292 | Form 4 |
| 2026-03-08 | DXCM | Award / grant | 48,774 | 172,242 | Form 4 |
| 2026-01-29 | DXCM | Withheld for tax | 2,652 | 123,207 | Form 4 |
| 2026-01-29 | DXCM | Award / grant | 7,123 | 125,859 | Form 4 |
| 2025-03-08 | DXCM | Award / grant | 22,798 | 142,482 | Form 4 |
| 2025-03-08 | DXCM | Award / grant | 35,906 | 119,684 | Form 4 |
| 2025-01-28 | DXCM | Award / grant | 5,586 | 85,616 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.