EASTERN CO — Director's Dealing 2026

Mar 17, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EASTERN CO (EML)
CIK: 0000031107
Period of Report: 2026-03-16

Reporting Person: MITAROTONDA JAMES A (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-16	Common Shares	P	1717	$20.93	Acquired	44511	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares	642342	Indirect

Footnotes

F1: 1717 Shares issued under The Eastern Company Director's Fee Program pursuant to rule 16b-3(d). The price used to determine the number of shares is the price of the shares on March 13, 2026.

F2: The reporting person 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.

F3: The reporting person 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 the reporting person is the beneficial owner of these shares for the purposes of Section 16 or any other purpose.