Reporting Manager
WOLVERINE ASSET MANAGEMENT LLC
Symbol
ATMC
Shares outstanding
3.47M shares
Disclosed Ownership
184K shares
Ownership
5.29%
Form type
SCHEDULE 13G/A
Date filed
7/11/2025, 12:06 PM
Date of event
Jun 30, 2025
Next filing
Oct 10, 2025

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
WOLVERINE ASSET MANAGEMENT LLC 5.29% 184K 0 184K /s/ Kenneth L. Nadel Kenneth L. Nadel, Chief Operating Officer
Wolverine Trading Partners, Inc. 5.29% 184K 0 184K /s/ Christopher L. Gust Christopher L. Gust, Authorized Signatory
Wolverine Holdings, L.P. 5.29% 184K 0 184K /s/ Christopher L. Gust Christopher L. Gust, Managing Director
Christopher L. Gust 5.29% 184K 0 184K /s/ Christopher L. Gust Christopher L. Gust
Robert R. Bellick 5.29% 184K 0 184K /s/ Robert R. Bellick Robert R. Bellick