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Stepien Thomas M – Insider Transactions
Ticker
Owner
Relationship
Date
Transaction
Cost
#Shares
Value ($)
#Shares Total
SEC Form 4
AMPX
Stepien Thomas M
Chief Executive Officer
Jun 04 '26
Sale
20.97
2,000
41,940
625,625
Jun 05
AMPX
Stepien Thomas M
Chief Executive Officer
May 27 '26
Sale
17.19
4,375
75,222
694,923
May 28
AMPX
Stepien Thomas M
Chief Executive Officer
May 21 '26
Sale
14.79
60,702
897,685
699,298
May 26