Reporting Manager
Thomist Capital Management, LP
Symbol
AMPY
Shares outstanding
40,347,821 shares
Disclosed Ownership
3,147,130 shares
Ownership
7.8%
Form type
SCHEDULE 13G
Filing time
12 Feb 2026, 16:01:10 UTC
Date of event
31 Dec 2025

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Thomist Capital Management, LP 7.8% 3,147,130 3,147,130 0 /s/ Brian Kuzma Brian Kuzma / Managing Member of Thomist Capital, LLC, its general partner
Thomist Capital, LLC 7.8% 3,147,130 3,147,130 0 /s/ Brian Kuzma Brian Kuzma / Managing Member
Brian Kuzma 7.8% 3,147,130 3,147,130 0 /s/ Brian Kuzma Brian Kuzma / Self