UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.    )

Filed by the Registrant  ☒                             Filed by a Party other than the Registrant  ☐

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☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☐	Definitive Proxy Statement
☒	Definitive Additional Materials
☐	Soliciting Material under Rule 14a-12

Larimar Therapeutics, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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*** Exercise Your Right to Vote ***

	Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on September 29, 2020
	LARIMAR THERAPEUTICS, INC.	Meeting Information
		Meeting Type: Special Meeting
		For holders as of: August 12, 2020
		Date: September 29, 2020    Time: 9:00 AM EDT
		Location:  Virtually via the internet at:
		www.meetingcenter.io/202792612
		To access the virtual meeting, you must refer to the
		“General Information” section of the proxy statement.
		You are receiving this communication because you hold shares in the above named company.
		This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).
		We encourage you to access and review all of the important information contained in the proxy materials before voting.
		See the reverse side of this notice to obtain   proxy materials and voting instructions.

	— Before You Vote—
	How to Access the Proxy Materials
	Proxy Materials Available to VIEW or RECEIVE:
	1. Notice & Proxy Statement
	How to View Online:
	Have the information that is printed in the box marked by the arrow    (located on the following page) and visit: www.proxyvote.com.
	How to Request and Receive a PAPER or E-MAIL Copy:
	If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:
	1) BY INTERNET:         www.proxyvote.com
	2) BY TELEPHONE:     1-800-579-1639
	3) BY E-MAIL*:              sendmaterial@proxyvote.com
	* If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow    (located on the following page) in the subject line.
	Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before September 14, 2020 to facilitate timely delivery.
	—How To Vote —
	Please Choose One of the Following Voting Methods
	Vote In Person: If you choose to vote these shares in person at the meeting, you must request a “legal proxy.” To do so, please follow the instructions at www.proxyvote.com or request a paper copy of the materials, which will contain the appropriate instructions. Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance.
	Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow    available and follow the instructions.
	Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a voting instruction form.

	Voting Items
	The Board of Directors recommends
	you vote FOR the following
	proposal(s):
	1.    Approve the Larimar Therapeutics, Inc. 2020 Equity Incentive Plan and certain conditional grants thereunder
	NOTE: Such other business as may properly come before the meeting or any adjournment thereof.

				Reserved for Broadridge  Internal Control Information
			Voting Instructions
		THIS SPACE RESERVED FOR LANGUAGE PERTAINING TO BANKS AND BROKERS AS REQUIRED BY THE NEW YORK STOCK EXCHANGE
					Broadridge Internal Use Only
	THIS SPACE RESERVED FOR SIGNATURES IF APPLICABLE				Job #
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