James A. Mitarotonda - 06 Mar 2026 Form 4 Insider Report for EASTERN CO (EML)

Role: Director, 10%+ Owner
Signature: /s/James A. Mitarotonda
Issuer symbol: EML
Transactions as of: 06 Mar 2026
Net transactions value: +$136,554
Form type: 4
Filing time: 10 Mar 2026, 14:22:43 UTC
Previous filing: 17 Dec 2025
SEC: View on sec.gov

Reporting Owners (3)

Name	Relationship	Address	Signature	Signature date	CIK
MITAROTONDA JAMES A	Director, 10%+ Owner	888 SEVENTH AVENUE 6TH FL, NEW YORK	/s/James A. Mitarotonda	10 Mar 2026	0001254583
BARINGTON COMPANIES EQUITY PARTNERS L P	10%+ Owner	888 SEVENTH AVENUE 6TH FL, NEW YORK	/s/ Barington Companies Equity Partners LP	10 Mar 2026	0001107149
BARINGTON COMPANIES MANAGEMENT, LLC	Investment Adviser	888 SEVENTH AVENUE 6TH FL, NEW YORK	/s/ Barington Companies Management, LLC	10 Mar 2026	0000887762

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	EML	Common Shares	Purchase	$92,659	+5,067	+0.8%	$18.29	640,000	06 Mar 2026	by Barington Companies Equity Partners, L.P.	F1, F2
transaction	EML	Common Shares	Purchase	$43,895	+2,342	+0.37%	$18.74	642,342	09 Mar 2026	by Barington Companies Equity Partners, L.P.	F1, F2
holding	EML	Common Shares						42,794	06 Mar 2026	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	James A. Mitarotonda is the sole stockholder and director of LNA Capital Corp. LNA Capital Corp. is the general partner of Barington Capital Group, L.P., which is the majority member of Barington Companies Investors, LLC ("Barington Investors"). Barington Investors is the general partner of Barington Companies Equity Partners L.P. Barington Companies Management, LLC is the investment adviser to Barington Companies Equity Partners L.P.
F2	Each of the reporting persons disclaims beneficial ownership of these securities, except to the extent of the pecuniary interests therein, and this report shall not be deemed to be an admission that each of the reporting persons is the beneficial owner of these shares for the purposes of Section 16 or any other purpose.

Content

James A. Mitarotonda is the sole stockholder and director of LNA Capital Corp. LNA Capital Corp. is the general partner of Barington Capital Group, L.P., which is the majority member of Barington Companies Investors, LLC ("Barington Investors"). Barington Investors is the general partner of Barington Companies Equity Partners L.P. Barington Companies Management, LLC is the investment adviser to Barington Companies Equity Partners L.P.

Each of the reporting persons disclaims beneficial ownership of these securities, except to the extent of the pecuniary interests therein, and this report shall not be deemed to be an admission that each of the reporting persons is the beneficial owner of these shares for the purposes of Section 16 or any other purpose.