Reporting Manager
Harraden Circle Investments, LLC
Symbol
AMCI
Shares outstanding
22,745,000 shares
Disclosed Ownership
141,019 shares
Ownership
0.62%
Form type
SCHEDULE 13G/A
Filing time
13 Feb 2026, 18:00:03 UTC
Date of event
31 Dec 2025

Reporting Managers (8)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Harraden Circle Investments, LLC 0.62% 141,019 0 141,019 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member
Harraden Circle Investors GP, LP 0.62% 141,019 0 141,019 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner
Harraden Circle Investors GP, LLC 0.62% 141,019 0 141,019 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member
Harraden Circle Investors, LP 0.26% 59,815 0 59,815 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Harraden Circle Special Opportunities, LP 0.12% 27,889 0 27,889 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Harraden Circle Strategic Investments, LP 0.18% 40,976 0 40,976 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Harraden Circle Concentrated, LP 0.05% 12,339 0 12,339 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Frederick V. Fortmiller, Jr. 0.62% 141,019 0 141,019 /s/ Frederick V. Fortmiller, Jr. Frederick V. Fortmiller, Jr.