X0306 5 2021-01-02 false 0 0 0000031107 EASTERN CO EML 0001663158 Vlak August M. 112 BRIDGE STREET NAUGATUCK CT 06770 true true false President & CEO Common Stock 2020-04-01 5 L false 49 18.94 A 18715 D Common Stock 2020-05-06 5 L false 65 17.6378 A 18780 D Common Stock 2020-05-29 5 L false 47 19.50 A 18827 D Common Stock 2020-06-26 5 L false 51 18.02 A 18878 D Common Stock 2020-08-11 5 L false 59 19.57 A 18937 D Common Stock 2020-09-04 5 L false 43 21.71 A 18980 D Common Stock 2020-10-13 5 L false 54 21.58 A 19034 D Common Stock 2020-11-03 5 L false 42 22.17 A 19076 D Common Stock 2020-12-04 5 L false 52 21.99 A 19128 D Common Stock 2020-12-31 5 L false 36 25.499 A 19164 D Shares acquired under The Eastern Company Investors Choice Dividend Reinvestment and Direct Stock Purchase Sale Plan. /s/August M. Vlak 2021-01-27