De Backer Marianne
Director · Officer · VIR
As of 2026-09-27, De Backer Marianne has 16 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 April in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
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 |
|---|---|---|---|---|---|---|---|
| 2026-04-06 | VIR | Sale | 72,559 @ $9.16 | $664K | −7.1% of holding | 948,145 | Form 4 |
| 2026-02-24 | VIR | Sale | 14,762 @ $9.53 | $141K | −1.4% of holding | 1,020,704 | Form 4 |
| 2026-02-23 | VIR | Sale | 19,039 @ $7.45 | $142K | −1.8% of holding | 1,035,466 | Form 4 |
| 2025-04-03 | VIR | Sale | 79,712 @ $5.95 | $474K | −9.4% of holding | 769,505 | Form 4 |
| 2025-02-24 | VIR | Sale | 16,122 @ $9.45 | $152K | −1.9% of holding | 849,217 | Form 4 |
| 2024-04-03 | VIR | Sale | 72,995 @ $9.46 | $690K | −9.7% of holding | 678,457 | Form 4 |
10 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-04-29 | VIR | Other acquisition | 233,532 | 714,613 | Form 4 |
| 2026-04-29 | VIR | Other acquisition | 233,532 | 286,650 | Form 4 |
| 2026-02-22 | VIR | Award / grant | 285,000 | 1,054,505 | Form 4 |
| 2026-02-22 | VIR | Award / grant | 570,000 | 570,000 | Form 4 |
| 2025-02-22 | VIR | Award / grant | 480,000 | 480,000 | Form 4 |
| 2025-02-22 | VIR | Award / grant | 240,000 | 865,339 | Form 4 |
| 2024-06-12 | VIR | Other acquisition | 53,118 | 53,118 | Form 4 |
| 2024-06-12 | VIR | Other acquisition | 53,118 | 625,339 | Form 4 |
| 2024-02-22 | VIR | Award / grant | 175,000 | 751,452 | Form 4 |
| 2024-02-22 | VIR | Award / grant | 350,000 | 350,000 | 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.