Van Den Born Simon
Officer · MRX
As of 2026-09-16, Van Den Born Simon has 9 Form 4 transactions on record across 1 company — 9 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.
Reconstructed holdings
- Direct $106.4M
- Indirect $0
| MRX | direct | 1,470,348 sh | $106.4M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-14 | MRX | Sale | 12,616 @ $70.77 | $893K | −0.8% of holding | 1,473,003 | Form 4 |
| 2026-09-14 | MRX | Sale | 2,655 @ $71.36 | $189K | −0.2% of holding | 1,470,348 | Form 4 |
| 2026-04-20 | MRX | Sale | 12,624 @ $50.92 | $643K | −0.8% of holding | 1,509,605 | Form 4 |
| 2026-04-20 | MRX | Sale | 641 @ $51.71 | $33K | −0.0% of holding | 1,508,964 | Form 4 |
| 2026-04-01 | MRX | Sale | 8,710 @ $43.27 | $377K | −0.6% of holding | 1,526,783 | Form 4 |
| 2026-04-01 | MRX | Sale | 4,554 @ $43.97 | $200K | −0.3% of holding | 1,522,229 | Form 4 |
3 award / exercise / gift records — not counted as purchases
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.