X0508 4 2025-06-13 0 0000031107 EASTERN CO EML 0001498290 DiSanto Frederick D. 6060 PARKLAND SUITE 200 CLEVELAND OH 44124 1 0 0 0 0 Common Stock, par value $0.01 per share 2025-06-13 4 A 0 979 23.36 A 81137 D Common Stock, par value $0.01 per share 2025-06-17 4 P 0 16 23 A 81153 D Common Stock, par value $0.01 per share 43797 I See Footnote Common Stock, par value $0.01 per share 11970 I See Footnote Shares acquired under the Eastern Company director's fee program pursuant to rule 16b3(d). The price used to determine the number of shares is the price of the shares on 6/13/2025. Shares owned directly by Ancora Catalyst. Mr. DiSanto, solely by virtue of his position as the Chairman and Chief Executive Officer of Ancora Holdings, the sole member of Ancora Alternatives, the General Partner of Ancora Catalyst, may be deemed to beneficially own the shares owned directly by Ancora Catalyst, for purposes of Section 16. Mr. DiSanto expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. Shares owned directly by Ancora Merlin. Mr. DiSanto, solely by virtue of his position as the Chairman and Chief Executive Officer of Ancora Holdings, the sole member of Ancora Alternatives, the General Partner of Ancora Merlin, may be deemed to beneficially own the shares owned directly by Ancora Merlin, for purposes of Section16. Mr. DiSanto expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. Fredrick DiSanto 2025-06-17