After hours
Sale
Calculated transaction value
$80.24K

Stepien Thomas M Chief Executive Officer

Transaction date Aug 24, 2026
Public filing date Aug 25, 2026
Filing lag Filed 1 day later

AMPX daily price context

Close on/before transaction
$9.86 Aug 24, 2026
Close before public filing
$9.86 Aug 24, 2026
Return since public filing
-7.61% Through Sep 16, 2026

Source details

Reported owner
Not disclosed
Source asset code
Security
Security
Common stock
Quantity / price
8,000 shares @ $10.03
SEC ownership
Direct
Transaction code
S
Form
4
Filing identifier
0002067233-26-000019