Marianne De Backer

CIK 1797819 · President and CEO · last filed 2026-04-07

Marianne De Backer is a President and CEO who has filed 24 SEC Form 4 insider transactions across 3 companies since 2020. The most recent filing shows the insider sold $664.4K of VIR on Apr 7, 2026. Across all open-market trades the lifetime net is −$2.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $11.0M 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.

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Disclosed Exposure

$10.95M

Companies

3

Total Filings

24

Lifetime Open-Market Net

-$2.77M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
VIR President and CEO 1,001,263 $8.61 $8.62M -$2.26M 9 2026-04-07
Kronos Bio, Inc. (KRON) Delisted Director 14,083 $0.88 $12.4K $47.9K 7 2023-06-26
ARWR Director 31,267 $74.52 $2.33M -$555.7K 8 2023-01-11

Recent Filings

24 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-04-07 VIR Sell (S) −72,559 -$664.4K EDGAR
2026-02-26 VIR Sell (S) −14,762 -$140.7K EDGAR
2026-02-24 VIR Mixed +265,961 -$141.9K EDGAR
2025-04-04 VIR Sell (S) −79,712 -$474.2K EDGAR
2025-02-25 VIR Mixed +223,878 -$152.4K EDGAR
2024-06-12 VIR Other (J) $0 EDGAR
2024-04-04 VIR Sell (S) −72,995 -$690.4K EDGAR
2024-02-26 VIR Grant (A) +175,000 $0 EDGAR
2023-06-26 Kronos Bio, Inc. (KRON) Delisted Grant (A) $0 EDGAR
2023-04-04 VIR Grant (A) +576,452 $0 EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.