Exhibit 10.4

      

       

         

      November 1, 2021

       

      Focus Impact Acquisition Corp.

      250 Park Avenue Ste 911

      New York, NY, 10177

       

      
        
          	 	
                  Re:

                	
                  Initial Public Offering

                


        

      

       

      Ladies and Gentlemen:

       

      This letter (this “Letter Agreement”) is being delivered to you in accordance with the Underwriting Agreement (the “Underwriting Agreement”) entered into by and among Focus Impact Acquisition Corp., a Delaware corporation (the “Company”) and
        Citigroup Global Markets Inc. and Goldman Sachs & Co. LLC, as representatives of the several underwriters (the “Underwriters”), relating to an underwritten initial public offering (the
        “Public Offering”) of 25,000,000 of the Company’s units (including 3,750,000 units that may be purchased pursuant to the Underwriters’ option to purchase additional units, the “Units”), each consisting of one share of the Company’s Class A common stock, par value $0.0001 per share (the “Common Stock”), and
        one-half of one warrant (each whole warrant, a “Warrant”). Each Warrant entitles the holder thereof to purchase one share of Common Stock at a price of $11.50 per share, subject to
        adjustment. The Units will be sold in the Public Offering pursuant to a registration statement on Form S-1 and a prospectus (the “Prospectus”) filed by the Company with the U.S. Securities
        and Exchange Commission (the “Commission”). Certain capitalized terms used herein are defined in paragraph 1 hereof.

       

      In order to induce the Company and the Underwriters to enter into the Underwriting Agreement and to proceed with the Public Offering and for other good and valuable consideration, the receipt and
        sufficiency of which are hereby acknowledged, Focus Impact Sponsor, LLC (the “Sponsor”) and each of the undersigned (each, an “Insider”
        and, collectively, the “Insiders”) hereby agree with the Company as follows:

       

      1.          Definitions. As used herein, (i) “Business Combination” shall mean a merger, capital stock exchange, asset
        acquisition, stock purchase, reorganization or similar business combination, involving the Company and one or more businesses; (ii) “Founder Shares” shall mean the 7,187,500 shares of
        Class B Common Stock of the Company, par value $0.0001 per share, outstanding prior to the consummation of the Public Offering; (iii) “Private Placement Warrants” shall mean the warrants
        to purchase shares of Common Stock of the Company that will be acquired by the Sponsor for an aggregate purchase price of $ 7,500,000 (or up to $ 8,250,000 if the Underwriters’ exercise their option to purchase additional units), or $1.00 per
        Warrant, in a private placement that shall close simultaneously with the consummation of the Public Offering (including Common Stock issuable upon conversion thereof); (iv) “Public Stockholders”
        shall mean the holders of Common Stock included in the Units issued in the Public Offering; (v) “Public Shares” shall mean the Common Stock included in the Units issued in the Public
        Offering; (vi) “Trust Account” shall mean the trust account into which a portion of the net proceeds of the Public Offering and the sale of the Private Placement Warrants shall be
        deposited; (vii) “Transfer” shall mean the (a) sale of, offer to sell, contract or agreement to sell, hypothecate, pledge, grant of any option to purchase or otherwise dispose of or
        agreement to dispose of, directly or indirectly, or establishment or increase of a put equivalent position or liquidation with respect to, or decrease of a call equivalent position within the meaning of Section 16 of the Securities Exchange Act of
        1934, as amended, and the rules and regulations of the Commission promulgated thereunder with respect to, any security, (b) entry into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of
        ownership of any security, whether any such transaction is to be settled by delivery of such securities, in cash or otherwise, or (c) public announcement of any intention to effect any transaction specified in clause (a) or (b); and (viii) “Charter” shall mean the Company’s Amended and Restated Certificate of Incorporation, as the same may be amended from time to time.

       

      

      
        
          


      

      
       2.           Representations and Warranties.

       

      (a)          The Sponsor and each Insider, with respect to itself, herself or himself, represent and warrant to the Company that it, she or he has the full
        right and power, without violating any agreement to which it, she or he is bound (including, without limitation, any non-competition or non-solicitation agreement with any employer or former employer), to enter into this Letter Agreement, as
        applicable, and to serve as an officer of the Company and/or a director on the Company’s Board of Director (the “Board”), as applicable, and each Insider hereby consents to being named in
        the Prospectus, road show and any other materials as an officer and/or director of the Company, as applicable.

       

      (b)          Each Insider represents and warrants, with respect to herself or himself, that such Insider’s biographical information furnished to the
        Company (including any such information included in the Prospectus) is true and accurate in all material respects and does not omit any material information with respect to such Insider’s background. The Insider’s questionnaire furnished to the
        Company is true and accurate in all material respects. Each Insider represents and warrants that such Insider is not subject to or a respondent in any legal action for, any injunction, cease-and-desist order or order or stipulation to desist or
        refrain from any act or practice relating to the offering of securities in any jurisdiction; such Insider has never been convicted of, or pleaded guilty to, any crime (i) involving fraud, (ii) relating to any financial transaction or handling of
        funds of another person, or (iii) pertaining to any dealings in any securities and such Insider is not currently a defendant in any such criminal proceeding; and such Insider has never been suspended or expelled from membership in any securities or
        commodities exchange or association or had a securities or commodities license or registration denied, suspended or revoked.

      

       3.          Business Combination Vote. It is acknowledged and agreed that the Company shall not enter into a definitive agreement regarding a proposed Business Combination without the
        prior consent of the Sponsor. The Sponsor and each Insider, with respect to itself or herself or himself, agrees that if the Company seeks stockholder approval of a proposed initial Business Combination, then in connection with such proposed
        initial Business Combination, it, she or he, as applicable, shall vote all Founder Shares and any Public Shares held by it, her or him, as applicable, in favor of such proposed initial Business Combination (including any proposals recommended by
        the Board in connection with such Business Combination) and not redeem any Public Shares held by it, her or him, as applicable, in connection with such stockholder approval.

       

      

      
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      4.            Failure to Consummate a Business Combination; Trust Account Waiver.

       

      (a)          The Sponsor and each Insider hereby agree, with respect to itself, herself or himself, that in the event that the Company fails to consummate
        its initial Business Combination within the time period set forth in the Charter, the Sponsor and each Insider shall take all reasonable steps to cause the Company to (i) cease all operations except for the purpose of winding up; (ii) as promptly
        as reasonably possible but not more than 10 business days thereafter, redeem 100% of the Public Shares, at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the Trust Account, including interest earned on the
        funds held in the Trust Account and not previously released to the Company to pay franchise and income taxes (less up to $100,000 of interest to pay dissolution expenses), divided by the number of then outstanding Public Shares, which redemption
        will completely extinguish Public Stockholders’ rights as stockholders (including the right to receive further liquidation distributions, if any); and (iii) as promptly as reasonably possible following such redemption, subject to the approval of
        the Company’s remaining stockholders and the Board, liquidate and dissolve, subject in the case of clauses (ii) and (iii) to the Company’s obligations under Delaware law to provide for claims of creditors and in all cases subject to the other
        requirements of applicable law. The Sponsor and each Insider agree not to propose any amendment to the Charter (i) that would modify the substance or timing of the Company’s obligation to provide holders of the Public Shares the right to have their
        shares redeemed in connection with an initial Business Combination or to redeem 100% of the Public Shares if the Company does not complete an initial Business Combination within the required time period set forth in the Charter or (ii) with respect
        to any other provision relating to the rights of holders of Public Shares unless the Company provides its Public Stockholders with the opportunity to redeem their Public Shares upon approval of any such amendment at a per-share price, payable in
        cash, equal to the aggregate amount then on deposit in the Trust Account, including interest earned on the funds held in the Trust Account and not previously released to the Company to pay franchise and income taxes, if any, divided by the number
        of then-outstanding Public Shares.

       

      (b)          The Sponsor and each Insider, with respect to itself, herself or himself, acknowledges that it, she or he has no right, title, interest or
        claim of any kind in or to any monies held in the Trust Account as a result of any liquidation of the Company with respect to the Founder Shares held by it, her or him, if any. The Sponsor and each of the Insiders hereby further waive, with respect
        to any Founder Shares and Public Shares held by it, her or him, as applicable, any redemption rights it, she or he may have in connection with the consummation of a Business Combination, including, without limitation, any such rights available in
        the context of a stockholder vote to approve such Business Combination or a stockholder vote to approve an amendment to the Charter (i) that would modify the substance or timing of the Company’s obligation to provide holders of the Public Shares
        the right to have their shares redeemed in connection with an initial Business Combination or to redeem 100% of the Public Shares if the Company has not consummated an initial Business Combination within the time period set forth in the Charter or
        (ii) with respect to any other provision relating to the rights of holders of Public Shares (although the Sponsor and the Insiders shall be entitled to liquidation rights with respect to any Public Shares they hold if the Company fails to
        consummate a Business Combination within the required time period set forth in the Charter).

       

      

      
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       5.           Lock-up; Transfer Restrictions.

       

      (a)          The Sponsor and the Insiders agree that they shall not Transfer any Founder Shares or shares of Common Stock
          issuable upon conversion thereof  (the “Founder Shares Lock-up”) until the earlier of (A) one year after the completion of an initial
        Business Combination and (B) the date following the completion of an initial Business Combination on which the Company completes a liquidation, merger, capital stock exchange, reorganization or other similar transaction that results in all of the
        Company’s stockholders having the right to exchange their Common Stock for cash, securities or other property (the “Founder Shares Lock-up Period”). Notwithstanding the foregoing, if,
        subsequent to a Business Combination, the closing price of the Common Stock equals or exceeds $12.00 per share (as adjusted for stock splits, stock dividends, reorganizations, recapitalizations and the like) for any 20 trading days within a
        30-trading day period commencing at least 150 days after the Company’s initial Business Combination, the Founder Shares shall be released from the Founder Shares Lock-up.

       

      (b)           The Sponsor and Insiders agree that they shall not effectuate any Transfer of Private Placement Warrants or Common Stock underlying such
        Warrants until 30 days after the completion of an initial Business Combination.

       

      (c)           Notwithstanding the provisions set forth in paragraphs 5(a) and (b), Transfers of the Founder Shares and Private Placement
        Warrants and any shares of Common Stock issued upon conversion or exercise thereof are permitted (a) to the Company’s officers or directors, any affiliates or family members of any of the Company’s officers or directors, any members or partners of
        the Sponsor or their affiliates, or any affiliates of the Sponsor or any employees of such affiliates; (b) in the case of an individual, by gift to a member of one of the individual’s immediate family, an estate planning vehicle or to a trust, the
        beneficiary of which is a member of the individual’s immediate family, an affiliate of such person or to a charitable organization; (c) in the case of an individual, by virtue of laws of descent and distribution upon death of the individual; (d) in
        the case of an individual, pursuant to a qualified domestic relations order; (e) by private sales or transfers made in connection with the consummation of a Business Combination at prices no greater than the price at which the Founder Shares,
        Private Placement Warrants or Common Stock, as applicable, were originally purchased; (f) by pro rata distributions from the Sponsor to its members, partners, or shareholders pursuant to the Sponsor’s organizational documents; (g) by virtue of the
        laws of Delaware or the Sponsor’s organizational documents upon liquidation or dissolution of the Sponsor; (h) to the Company for no value for cancellation in connection with the consummation of an initial Business Combination, (i) in the event of
        the Company’s liquidation prior to the completion of a Business Combination; or (j) in the event of completion of a liquidation, merger, capital stock exchange, reorganization or other similar transaction which results in all of the Company’s
        Public Stockholders having the right to exchange their Common Stock for cash, securities or other property subsequent to the completion of an initial Business Combination; provided, however, that in the case of clauses (a) through
        (g) these permitted transferees must enter into a written agreement agreeing to be bound by these transfer restrictions and the other restrictions contained in this Letter Agreement.

       

      

      
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      (d)         During the period commencing on the effective date of the Underwriting Agreement and ending 180 days after such date, the Sponsor and each
        Insider shall not, without the prior written consent of Citigroup Global Markets Inc., Transfer any Units, Common Stock, Warrants or any other securities convertible into, or exercisable or exchangeable for, Common Stock held by it, her or him, as
        applicable, subject to certain exceptions enumerated in Section 5(h) of the Underwriting Agreement.

       

      6.          Remedies. The Sponsor and each of the Insiders hereby agree and acknowledge that (i) each of the Underwriters and the Company would be irreparably injured in the event of a
        breach by the Sponsor or such Insider of its, her or his obligations, as applicable under paragraphs 3, 4, 5, 7, 10 and 11, (ii) monetary damages may not be an adequate remedy for such breach and
        (iii) the non-breaching party shall be entitled to injunctive relief, in addition to any other remedy that such party may have in law or in equity, in the event of such breach.

       

      7.           Payments by the Company. Except as disclosed in the Prospectus, none of the Sponsor, the holders of our Founder Shares,  any director or officer of the Company nor any of their
        respective affiliates shall receive from the Company any finder’s fee, reimbursement, consulting fee, monies in respect of any payment of a loan or other compensation prior to, or in connection with any services rendered in order to effectuate the
        consummation of the Company’s initial Business Combination (regardless of the type of transaction that it is).

       

      8.           Director and Officer Liability Insurance. The Company will maintain an insurance policy or policies providing directors’ and officers’ liability insurance, and the Insiders
        shall be covered by such policy or policies, in accordance with its or their terms, to the maximum extent of the coverage available for any of the Company’s directors or officers.

       

      9.           Termination. This Letter Agreement shall terminate on the earlier of (i) the expiration of the Founder Shares Lock-up Period and (ii) the liquidation of the Company.

       

      10.         Indemnification. In the event of the liquidation of the Trust Account upon the failure of the Company to consummate its initial Business Combination within the time period set
        forth in the Charter, the Sponsor (the “Indemnitor”) agrees to indemnify and hold harmless the Company against any and all loss, liability, claim, damage and expense whatsoever (including,
        but not limited to, any and all legal or other expenses reasonably incurred in investigating, preparing or defending against any litigation, whether pending or threatened) to which the Company may become subject as a result of any claim by (i) any
        third party for services rendered or products sold to the Company (except for the Company’s independent auditors) or (ii) any prospective target business with which the Company has discussed entering into a transaction agreement (a “Target”); provided, however, that such indemnification of the Company by the Indemnitor (x) shall apply only to the extent necessary to ensure that such claims by a third party for services
        rendered or products sold to the Company or a Target do not reduce the amount of funds in the Trust Account to below the lesser of (i) $10.00 per Public Share and (ii) the actual amount per Public Share held in the Trust Account as of the date of
        the liquidation of the Trust Account if less than $10.00 per Public Share due to reductions in the value of the trust assets, in each case net of interest that may be withdrawn to pay the Company’s tax obligations, (y) shall not apply to any claims
        by a third party or Target who executed a waiver of any and all rights to the monies held in the Trust Account (whether or not such waiver is enforceable) and (z) shall not apply to any claims under the Company’s indemnity of the Underwriters
        against certain liabilities, including liabilities under the Securities Act of 1933, as amended. The Indemnitor shall have the right to defend against any such claim with counsel of its choice reasonably satisfactory to the Company if, within 15
        days following written receipt of notice of the claim to the Indemnitor, the Indemnitor notifies the Company in writing that it shall undertake such defense.

       

      

      
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       11.        Forfeiture of Founder Shares. To the extent that the Underwriters do not exercise their option to purchase additional Units within 45 days from the date of the Prospectus in
        full (as further described in the Prospectus), the Sponsor agrees to automatically surrender to the Company for no consideration, for cancellation at no cost, an aggregate number of Founder Shares so that the number of Founder Shares will equal of
        20% of the sum of the total number of Common Stock and Founder Shares outstanding at such time. The Sponsor and Insiders further agree that to the extent that the size of the Public Offering is increased or decreased, the Company will effect a
        stock split, stock dividend, reverse stock split or stock repurchase, as applicable, with respect to the Founder Shares immediately prior to the consummation of the Public Offering in such amount as to maintain the number of Founder Shares at 20%
        of the sum of the total number of Common Stock and Founder Shares outstanding at such time.

       

      12.         Entire Agreement. This Letter Agreement constitutes the entire agreement and understanding of the parties hereto in respect of the subject matter hereof and supersedes all prior
        understandings, agreements, or representations by or among the parties hereto, written or oral, to the extent they relate in any way to the subject matter hereof or the transactions contemplated hereby. This Letter Agreement may not be changed,
        amended, modified or waived (other than to correct a typographical error) as to any particular provision, except by a written instrument executed by all parties hereto.

       

      13.         Assignment. No party hereto may assign either this Letter Agreement or any of its rights, interests, or obligations hereunder without the prior written consent of the other
        parties. Any purported assignment in violation of this paragraph shall be void and ineffectual and shall not operate to transfer or assign any interest or title to the purported assignee. This Letter Agreement shall be binding on the Sponsor, each
        of the Insiders and each of their respective successors, heirs, personal representatives and assigns and permitted transferees.

       

      14.         Counterparts; Electronic Signatures. This Letter Agreement may be executed in any number of original or facsimile counterparts, and each of such counterparts shall for all
        purposes be deemed to be an original, and all such counterparts shall together constitute but one and the same instrument. The words “execution,” “signed,” “signature,” and words of like import in this Letter Agreement or in any other certificate,
        agreement or document related to this Letter Agreement shall include images of manually executed signatures transmitted by facsimile or other electronic format (including, without limitation, “pdf,” “tif” or “jpg”) and other electronic signatures
        (including, without limitation, DocuSign and AdobeSign). The use of electronic signatures and electronic records (including, without limitation, any contract or other record created, generated, sent, communicated, received, or stored by electronic
        means) shall be of the same legal effect, validity and enforceability as a manually executed signature or use of a paper-based record-keeping system to the fullest extent permitted by applicable law, including the Federal Electronic Signatures in
        Global and National Commerce Act, the New York State Electronic Signatures and Records Act and any other applicable law, including, without limitation, any state law based on the Uniform Electronic Transactions Act or the Uniform Commercial Code. 

      

       

      15.         Effect of Headings. The paragraph headings herein are for convenience only and are not part of this Letter Agreement and shall not affect the interpretation thereof.

       

      16.        Severability. This Letter Agreement shall be deemed severable, and the invalidity or unenforceability of any term or provision hereof shall not affect the validity or
        enforceability of this Letter Agreement or of any other term or provision hereof. Furthermore, in lieu of any such invalid or unenforceable term or provision, the parties hereto intend that there shall be added as a part of this Letter Agreement a
        provision as similar in terms to such invalid or unenforceable provision as may be possible and be valid and enforceable.

       

      17.         Governing Law. This Letter Agreement shall be governed by and construed and enforced in accordance with the laws of the State of New York, without giving effect to conflicts of
        law principles that would result in the application of the substantive laws of another jurisdiction. The parties hereto (i) all agree that any action, proceeding, claim or dispute arising out of, or relating in any way to, this Letter Agreement
        shall be brought and enforced in the courts of New York City, in the State of New York, and irrevocably submit to such jurisdiction and venue, which jurisdiction and venue shall be exclusive, and (ii) waive any objection to such exclusive
        jurisdiction and venue or that such courts represent an inconvenient forum.

       

      

      18.         Notices. Any notice, consent or request to be given in connection with any of the terms or provisions of this Letter Agreement shall be in writing and shall be sent by express
        mail or similar private courier service, by certified mail (return receipt requested), by hand delivery or facsimile transmission.

       

       

      

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              Sincerely,

            
	 	 
	 	
              FOCUS IMPACT SPONSOR, LLC

            
	 	 
	 	
              By:

            	
              Carl Stanton

            
	 	
              Its:

            	
              Managing Member

            
	 	 	 
	 	
              By:

            	/s/ Carl Stanton 

            
	 	
              

              

            	
              
                Name: Carl Stanton

              

            


      

      
        
          

          

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      	 	/s/ Westley Moore 

            
	 	
              Westley Moore

            


       

      

      
        
          

          

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      	 	/s/ Carl Stanton 

            
	 	
              Carl Stanton

            


       

      

      
        
          

          

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            	/s/ Ernest Lyles 

            
	 	
              Ernest Lyles

            


       

      

       

      

      
        
          

          

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              	/s/ Wray Thorn

              
	 	
                Wray Thorn

              


      

      
        
          

          

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      	 	/s/ Howard Sanders 

            
	 	
              Howard Sanders

            


       

      

      
        
          

          

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      	 	/s/ Troy Carter 

            
	 	
              Troy Carter

            


       

      

      
        
          

          

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      	 	/s/ Jerri DeVard 

            
	 	
              Jerri DeVard

            


       

      

      
        
          

          

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      	 	/s/ Dawanna Williams 

            
	 	
              Dawanna Williams

            


       

      

      
        
          

          

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              Acknowledged and Agreed:

            	 
	 	 
	
              FOCUS IMPACT ACQUISITION CORP.

            	 
	 	 
	
              By:

            	/s/ Carl Stanton 

            	 
	 	
              Name: Carl Stanton

              

            	 
	 	
              Title: Chief Execuive Officer

            	 


       

       

      

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