Sec Form 3 Filing - BARINGTON CAPITAL GROUP, L.P. @ EASTERN CO - 2021-11-24

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person BARINGTON CAPITAL GROUP, L.P. 2. Issuer Name and Ticker or Trading Symbol EASTERN CO [ EML] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 888 SEVENTH AVENUE, 17TH FLOOR, 3. Date of Earliest Transaction (MM/DD/YY) 11/24/2021 (Street) NEW YORK, NY10019 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock, no par value 645,702 I See footnotes( 1 )( 2 )( 3 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BARINGTON CAPITAL GROUP, L.P. 888 SEVENTH AVENUE, 17TH FLOOR NEW YORK, NY10019 X X BARINGTON COMPANIES EQUITY PARTNERS L P 888 SEVENTH AVENUE, 17TH FLOOR NEW YORK, NY10019 X X Barington Companies Investors, LLC C/O BARINGTON CAPITAL GROUP, L.P. 888 SEVENTH AVENUE, 17TH FLOOR NEW YORK, NY10019 X X MITAROTONDA JAMES A C/O BARINGTON CAPITAL GROUP, L.P. 888 SEVENTH AVENUE, 17TH FLOOR NEW YORK, NY10019 X X Signatures BARINGTON CAPITAL GROUP, L.P. By: LNA Capital Corp., its general partner By: /s/ James A. Mitarotonda, President and CEO 12/06/2021 Signature of Reporting Person Date BARINGTON COMPANIES EQUITY PARTNERS, L.P. By: Barington Companies Investors, LLC, its general partner By: /s/ James A. Mitarotonda, Managing Member 12/06/2021 Signature of Reporting Person Date BARINGTON COMPANIES INVESTORS, LLC By: /s/ James A. Mitarotonda, Managing Member 12/06/2021 Signature of Reporting Person Date JAMES A. MITAROTONDA By: /s/ James A. Mitarotonda 12/06/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This Form 3 is being filed by Barington Capital Group, L.P. (the "Advisor") on behalf of itself and Barington Companies Equity Partners, L.P., Barington Companies Investors, LLC, LNA Capital Corp. and James A. Mitarotonda, (together with the "Advisor", the "Reporting Persons"). As the general partner of Barington Companies Equity Partners, L.P., Barington Companies Investors, LLC may be deemed to beneficially own the 627,768 shares of Common Stock beneficially owned by Barington Companies Equity Partners, L.P. As the majority member of Barington Companies Investors, LLC, Barington Capital Group, L.P. may be deemed to beneficially own the 627,768 shares of Common Stock beneficially owned by Barington Companies Equity Partners, L.P. ( 2 )(Footnote 1 continued). As the general partner of Barington Capital Group, L.P., LNA Capital Corp. may be deemed to beneficially own the 627,768 shares of Common Stock beneficially owned by Barington Companies Equity Partners, L.P. As the sole stockholder and director of LNA Capital Corp., James A. Mitarotonda may be deemed to beneficially own the 627,768 shares of Common Stock beneficially owned by Barington Companies Equity Partners, L.P. Mr. Mitarotonda is also individually the beneficial owner of 17,934 shares of Common Stock granted to him under The Eastern Company's Directors Fee Program. ( 3 )This amount reflects the amount of securities held by the Reporting Persons immediately following the transaction requiring the filing of this statement. In accordance with Instruction 5(b)(iv) of Form 3, the entire amount of the Issuer's securities held by Reporting Persons is reported herein. Each of the Reporting Parties, disclaims, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his/its indirect pecuniary interest therein, and this report shall not be deemed an admission that any of the Reporting Parties are the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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