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Form SCHEDULE 13D/A EASTERN CO Filed by: BARINGTON COMPANIES MANAGEMENT, LLC

March 18, 2026 7:49 PM





If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


Barington Companies Equity Partners, L.P.
Signature:Barington Companies Investors, LLC, its general partner /s/ James A. Mitarotonda
Name/Title:James A. Mitarotonda Managing Member
Date:03/18/2026
Barington Companies Investors, LLC
Signature:/s/ James A. Mitarotonda
Name/Title:James A. Mitarotonda Managing Member
Date:03/18/2026
Barington Companies Management, LLC
Signature:/s/ James A. Mitarotonda
Name/Title:James A. Mitarotonda Managing Member
Date:03/18/2026
Barington Capital Group, L.P.
Signature:LNA Capital Corp., its general partner /s/ James A. Mitarotonda
Name/Title:James A. Mitarotonda President and CEO
Date:03/18/2026
LNA Capital Corp.
Signature:/s/ James A. Mitarotonda
Name/Title:James A. Mitarotonda President and CEO
Date:03/18/2026
James A. Mitarotonda
Signature:/s/ James A. Mitarotonda
Name/Title:James A. Mitarotonda
Date:03/18/2026

ATTACHMENTS / EXHIBITS

EX-1

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