Alfred Sandrock

CIK 1577061 · President and CEO · last filed 2026-04-03

Alfred Sandrock is a President and CEO who has filed 66 SEC Form 4 insider transactions across 3 companies since 2013. The most recent filing shows the insider sold $44.5K of VYGR on Apr 3, 2026. Across all open-market trades the lifetime net is −$17.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $3.7M 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.

Loading insider history…
Disclosed Exposure

$3.69M

Companies

3

Total Filings

66

Lifetime Open-Market Net

-$17.93M

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
VYGR President and CEO 472,549 $3.50 $1.65M -$620.4K 15 2026-04-03
BIIB Head of Research & Development 10,169 $200.05 $2.03M -$17.31M 46 2021-06-09
NBIX Director $159.76 $0 5 2019-05-23

Recent Filings

66 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-04-03 VYGR Sell (S) −11,511 -$44.5K EDGAR
2026-02-26 VYGR Sell (S) −14,197 -$53.8K EDGAR
2026-02-20 VYGR Sell (S) −11,732 -$40.0K EDGAR
2026-02-11 VYGR Sell (S) −12,192 -$46.1K EDGAR
2026-02-10 VYGR Grant (A) +86,250 $0 EDGAR
2025-04-04 VYGR Sell (S) −10,885 -$37.3K EDGAR
2025-02-24 VYGR Mixed +133,298 -$49.6K EDGAR
2025-02-12 VYGR Sell (S) −16,644 -$74.1K EDGAR
2024-04-03 VYGR Sell (S) −12,115 -$119.5K EDGAR
2024-02-22 VYGR Sell (S) −13,033 -$97.2K EDGAR
Showing 110 of 66
Page 1 of 7
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.