Amendment No. 10 to Schedule 13D for The Eastern Company

This filing details an amendment to a Schedule 13D, originally filed on September 30, 2014, concerning the common stock of The Eastern Company. The amendment, filed by Barington Companies Equity Partners, L.P. and related entities, reports an aggregate beneficial ownership of 686,853 shares of Common Stock as of March 16, 2026, representing approximately 11.36% of the outstanding shares. The filing outlines the reporting entities, including Barington Companies Equity Partners, L.P., Barington Companies Investors, LLC, Barington Companies Management, LLC, Barington Capital Group, L.P., LNA Capital Corp., and James A. Mitarotonda. It details recent purchases of 41,151 shares of Common Stock for approximately $1,578,352.18, funded by working capital. The shares were acquired for portfolio management purposes, and the reporting persons may acquire or sell additional securities in the future. As of March 16, 2026, Barington Companies Equity Partners, L.P. beneficially owns 642,342 shares (10.63%), with other entities and James A. Mitarotonda also deemed beneficial owners. Mr. Mitarotonda individually owns an additional 44,511 shares granted under the Directors Fee Program.