ARTHUR G JR ALTSCHUL

CIK 1173479 · last filed 2025-05-09

ARTHUR G JR ALTSCHUL is a corporate insider who has filed 74 SEC Form 4 insider transactions across 2 companies since 2007. The most recent filing shows the insider sold $431.9K of GAMpB on May 9, 2025. Across all open-market trades the lifetime net is −$11.0M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $650.3K 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

$650.3K

Companies

2

Total Filings

74

Lifetime Open-Market Net

-$10.98M

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
GAMpB Director 5,000 $24.77 $123.8K -$10.05M 64 2025-05-09
MRX Director 8,497 $61.96 $526.5K -$924.4K 8 2012-05-17

Recent Filings

74 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-05-09 GAMpB Sell (S) −17,400 -$431.9K EDGAR
2025-04-11 GAMpB Sell (S) −2,000 -$49.2K EDGAR
2025-04-11 GAMpB Sell (S) −2,000 -$49.2K EDGAR
2025-04-02 GAMpB Sell (S) −2,000 -$49.7K EDGAR
2024-05-23 GAMpB Sell (S) −6,397 -$157.6K EDGAR
2024-05-22 GAMpB Sell (S) −9,695 -$239.0K EDGAR
2024-05-21 GAMpB Sell (S) −6,868 -$169.4K EDGAR
2024-03-13 GAMpB Sell (S) +9,100 $227.7K EDGAR
2023-07-07 GAMpB $0 EDGAR
2020-10-13 GAMpB Sell (S) −7,500 -$207.4K 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.