UNITED STATES                                  
                       SECURITIES AND EXCHANGECOMMISSION                        
                              WASHINGTON, DC 20549                              

                                  SCHEDULE 13G                                  

                   Under the Securities Exchange Act of 1934                    
                                (Amendment No.)*                                



Northern Technologies International Corp.
            (Name of Issuer)             




Common Stock, par value $0.02 per share
    (Title of Class of Securities)     




  665809109   
(CUSIP Number)




                     July 24, 2024                     
(Date of Event Which Requires Filing of this Statement)



Check the appropriate boxto designate the rule pursuant to which this Schedule 
is filed:
[_] Rule 13d-1(b)
[X] Rule 13d-1(c)
[_] Rule 13d-1(d)
__________
* The remainder of this cover page shall befilled out for a reporting person's 
initial filing on this form with respect to the subject class of securities, 
and for any subsequentamendment containing information which would alter the 
disclosures provided in a prior cover page.
The information requiredin the remainder of this cover page shall not be 
deemed to be "filed" for the purpose of Section 18 of the Securities 
ExchangeAct of 1934 (the "Act") or otherwise subject to the liabilities of 
that section of the Act but shall be subject to all otherprovisions of the Act 
(however, see the Notes).








CUSIP No 665809109  



 1.                                                               NAME OF REPORTING PERSONS         
                                                                                                    
                                                       Needham Investment Management L.L.C.         
                                                                                                    
 2.                              CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                                            (a)  [_]
                                                                                             (b) [X]
                                                                                                    
 3.                                                                            SEC USE ONLY         
                                                                                                    
                                                                                                    
 4.                                                    CITIZENSHIP OR PLACE OF ORGANIZATION         
                                                                                                    
                                                                                   Delaware         
                                                                                                    
                                   NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
                                                                                                    
 5.                                                                       SOLE VOTING POWER         
                                                                                                    
                                                                                          0         
                                                                                                    
 6.                                                                     SHARED VOTING POWER         
                                                                                                    
                                                                                    500,000         
                                                                                                    
 7.                                                                  SOLE DISPOSITIVE POWER         
                                                                                                    
                                                                                          0         
                                                                                                    
 8.                                                                SHARED DISPOSITIVE POWER         
                                                                                                    
                                                                                    500,000         
                                                                                                    
 9.                                     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                    
                                                                                    500,000         
                                                                                                    
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)         
                                                                                                 [_]
                                                                                                    
11.                                       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)         
                                                                                                    
                                                                                      5.30%         
                                                                                                    
12.                                             TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)         
                                                                                                    
                                                                                     IA, OO         










CUSIP No 665809109  



 1.                                                               NAME OF REPORTING PERSONS         
                                                                                                    
                                                              Needham Asset Management, LLC         
                                                                                                    
 2.                              CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                                            (a)  [_]
                                                                                             (b) [X]
                                                                                                    
 3.                                                                            SEC USE ONLY         
                                                                                                    
                                                                                                    
 4.                                                    CITIZENSHIP OR PLACE OF ORGANIZATION         
                                                                                                    
                                                                                   Delaware         
                                                                                                    
                                   NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
                                                                                                    
 5.                                                                       SOLE VOTING POWER         
                                                                                                    
                                                                                          0         
                                                                                                    
 6.                                                                     SHARED VOTING POWER         
                                                                                                    
                                                                                    500,000         
                                                                                                    
 7.                                                                  SOLE DISPOSITIVE POWER         
                                                                                                    
                                                                                          0         
                                                                                                    
 8.                                                                SHARED DISPOSITIVE POWER         
                                                                                                    
                                                                                    500,000         
                                                                                                    
 9.                                     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                    
                                                                                    500,000         
                                                                                                    
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)         
                                                                                                 [_]
                                                                                                    
11.                                       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)         
                                                                                                    
                                                                                      5.30%         
                                                                                                    
12.                                             TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)         
                                                                                                    
                                                                                     HC, OO         










CUSIP No 665809109  



 1.                                                               NAME OF REPORTING PERSONS         
                                                                                                    
                                                             Needham Aggressive Growth Fund         
                                                                                                    
 2.                              CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                                            (a)  [_]
                                                                                             (b) [X]
                                                                                                    
 3.                                                                            SEC USE ONLY         
                                                                                                    
                                                                                                    
 4.                                                    CITIZENSHIP OR PLACE OF ORGANIZATION         
                                                                                                    
                                                                                   Delaware         
                                                                                                    
                                   NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
                                                                                                    
 5.                                                                       SOLE VOTING POWER         
                                                                                                    
                                                                                          0         
                                                                                                    
 6.                                                                     SHARED VOTING POWER         
                                                                                                    
                                                                                    500,000         
                                                                                                    
 7.                                                                  SOLE DISPOSITIVE POWER         
                                                                                                    
                                                                                          0         
                                                                                                    
 8.                                                                SHARED DISPOSITIVE POWER         
                                                                                                    
                                                                                    500,000         
                                                                                                    
 9.                                     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                    
                                                                                    500,000         
                                                                                                    
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)         
                                                                                                 [_]
                                                                                                    
11.                                       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)         
                                                                                                    
                                                                                      5.30%         
                                                                                                    
12.                                             TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)         
                                                                                                    
                                                                                     IV, OO         










CUSIP No 665809109  



 1.                                                               NAME OF REPORTING PERSONS         
                                                                                                    
                                                                          George A. Needham         
                                                                                                    
 2.                              CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                                            (a)  [_]
                                                                                             (b) [X]
                                                                                                    
 3.                                                                            SEC USE ONLY         
                                                                                                    
                                                                                                    
 4.                                                    CITIZENSHIP OR PLACE OF ORGANIZATION         
                                                                                                    
                                                                   United States of America         
                                                                                                    
                                   NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
                                                                                                    
 5.                                                                       SOLE VOTING POWER         
                                                                                                    
                                                                                          0         
                                                                                                    
 6.                                                                     SHARED VOTING POWER         
                                                                                                    
                                                                                    500,000         
                                                                                                    
 7.                                                                  SOLE DISPOSITIVE POWER         
                                                                                                    
                                                                                          0         
                                                                                                    
 8.                                                                SHARED DISPOSITIVE POWER         
                                                                                                    
                                                                                    500,000         
                                                                                                    
 9.                                     AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                    
                                                                                    500,000         
                                                                                                    
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)         
                                                                                                 [_]
                                                                                                    
11.                                       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)         
                                                                                                    
                                                                                      5.30%         
                                                                                                    
12.                                             TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)         
                                                                                                    
                                                                                     HC, IN         










CUSIP No 665809109  



Item 1. (a).                                              Name of Issuer: 
                                                                          
                                Northern Technologies International Corp. 
                                                                          
        (b).             Address of Issuer's Principal Executive Offices: 
                                                                          
             4201 Woodland Road                                           
             P.O. Box 69                                                  
             Circle Pines, Minnesota 55014                                
             United States of America                                     
                                                                          
Item 2. (a).                                       Name of Person Filing: 
                                                                          
             Needham Investment Management L.L.C.                         
             Needham Asset Management, LLC                                
             Needham Aggressive Growth Fund                               
             George A. Needham                                            
                                                                          
        (b). Address of Principal Business Office, or if None, Residence: 
                                                                          
             Needham Investment Management L.L.C.                         
             250 Park Avenue, 10                                          
             th                                                           
             Floor                                                        
             New York, New York 10117-1099                                
             United States of America                                     
                                                                          
             Needham Asset Management, LLC                                
             c/o Needham Investment Management L.L.C.                     
             250 Park Avenue, 10                                          
             th                                                           
             Floor                                                        
             New York, New York 10117-1099                                
             United States of America                                     
                                                                          
             Needham Aggressive Growth Fund                               
             c/o Needham Investment Management L.L.C.                     
             250 Park Avenue, 10                                          
             th                                                           
             Floor                                                        
             New York, New York 10117-1099                                
             United States of America                                     
                                                                          
             George A Needham                                             
             c/o Needham Investment Management L.L.C.                     
             250 Park Avenue, 10                                          
             th                                                           
             Floor                                                        
             New York, New York 10117-1099                                
             United States of America                                     



 (c).                                    Citizenship: 
                                                      
      Needham Investment Management L.L.C. - Delaware 
      Needham Asset Management, LLC - Delaware        
      Needham Aggressive Growth Fund - Maryland       
      George A Needham - United States of America     
                                                      
 (d).                   Title of Class of Securities: 
                                                      
              Common Stock, par value $0.02 per share 
                                                      
 (e).                                   CUSIP Number: 
                                                      
                                            665809109 











Item 3.                                                     If This Statement is filed pursuant to ss.240.13d-1(b) or
                                                           240.13d-2(b), or (c), check whether the person filing is a
                                                                                                                     
        (a) [_]                                                                     Broker or dealer registered under
                                                                               Section 15 of the Act (15 U.S.C. 78c).
                                                                                                                     
        (b) [_]                                                                    Bank as defined in Section 3(a)(6)
                                                                                          of the Act (15 U.S.C. 78c).
                                                                                                                     
        (c) [_]                                                               Insurance company as defined in Section
                                                                                 3(a)(19) of the Act (15 U.S.C. 78c).
                                                                                                                     
        (d) [_]                                                  Investment company registered under Section 8 of the
                                                                    Investment Company Act of 1940 (15 U.S.C. 80a-8).
                                                                                                                     
        (e) [_]                                                                   An investment adviser in accordance
                                                                                     with (s) 240.13d-1(b)(1)(ii)(E);
                                                                                                                     
        (f) [_]                                                         An employee benefit plan or endowment fund in
                                                                          accordance with (s) 240.13d-1(b)(1)(ii)(F);
                                                                                                                     
        (g) [_]                                                            A parent holding company or control person
                                                                          in accordance with Rule 13d-1(b)(1)(ii)(G);
                                                                                                                     
        (h) [_]                                                   A savings association as defined in Section 3(b) of
                                                                   the Federal Deposit Insurance Act (12 U.S.C.1813);
                                                                                                                     
        (i) [_]                           A church plan that is excluded from the definition of an investment company
                                      under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
                                                                                                                     
        (j) [_] A non-U.S. institution in accordance with s.240.13d-1(b)(1)(ii)(J). If filing as a non-U.S.          
                institution in accordance with s.240.13d-1(b)(1)(ii)(J), please specify the type of institution: ____
                                                                                                                     
        (k) [_] Group, in accordance with                                                                            
                s.240.13d-1(b)(1)(ii)(K).                                                                            
                                                                                                                     



Item 4.                                                                 Ownership.
                                                                                  
              Provide the following information regarding the aggregate number and
         percentage of the class of securities of the issuer identified in Item 1.
                                                                                  
                                  (a)                   Amount beneficially owned:
                                                                                  
                                      Needham Investment                          
                                      Management L.L.C. - 500,000                 
                                      Needham Asset Management, LLC - 500,000     
                                      Needham Aggressive Growth Fund - 500,000    
                                      George A Needham - 500,000                  
                                                                                  
                                                                                  
                                  (b)                            Percent of class:
                                                                                  
                                      Needham Investment Management L.L.C. - 5.30%
                                      Needham Asset Management, LLC - 5.30%       
                                      Needham Aggressive Growth Fund - 5.30%      
                                      George A Needham - 5.30%                    
                                                                                  











 (c)                  Number of shares as to which the person has:
                                                                  
       (i)                Sole power to vote or to direct the vote
                                                                  
           Needham Investment Management L.L.C. - 0               
           Needham Asset Management, LLC - 0                      
           Needham Aggressive Growth Fund - 0                     
           George A Needham - 0                                   
                                                                  
      (ii)              Shared power to vote or to direct the vote
                                                                  
           Needham Investment Management L.L.C. - 500,000         
           Needham Asset Management, LLC - 500,000                
           Needham Aggressive Growth Fund - 500,000               
           George A Needham - 500,000                             
                                                                  
     (iii)   Sole power to dispose or to direct the disposition of
                                                                  
           Needham Investment Management L.L.C. - 0               
           Needham Asset Management, LLC - 0                      
           Needham Aggressive Growth Fund - 0                     
           George A Needham - 0                                   
                                                                  
      (iv) Shared power to dispose or to direct the disposition of
                                                                  
           Needham Investment Management L.L.C. - 500,000         
           Needham Asset Management, LLC - 500,000                
           Needham Aggressive Growth Fund - 500,000               
           George A Needham - 500,000                             




Item 5.                             Ownership of 5 Percent or Less of a Class.
                                                                              
                           If this statement is being filed to report the fact
                           that as of the date hereof the reporting person has
                      ceased to be the beneficial owner of more than 5 percent
                          of the class of securities, check the following [_].
                                                                              
                                                                           N/A
                                                                              
                                                                              
Item 6.          Ownership of More Than 5 Percent on Behalf of Another Person.
                                                                              
              If any other person is known to have the right to receive or the
           power to direct the receipt of dividends from, or the proceeds from
            the sale of, such securities, a statement to that effect should be
            included in response to this item and, if such interest relates to
           more than 5 percent of the class, such person should be identified.
             A listing of the shareholders of an investment company registered
              under the Investment Company Act of 1940 or the beneficiaries of
        employee benefit plan, pension fund or endowment fund is not required.
                                                                              
                                                                           N/A
                                                                              











Item 7.                                                                        Identification and Classification of
                                                                                  the Subsidiary Which Acquired the
                                                                           Security Being Reported on by the Parent
                                                                                 Holding Company or Control Person.
                                                                                                                   
        If a parent holding company or control person has filed this schedule, pursuant to Rule 13d-1(b)(1)(ii)(G),
        so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of    
        the relevant subsidiary. If a parent holding company or control person has filed this schedule pursuant to 
        Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.   
                                                                                                                   
        Please see Exhibit B attached hereto.                                                                      
                                                                                                                   
                                                                                                                   
Item 8.                                                  Identification and Classification of Members of the Group.
                                                                                                                   
                              If a group has filed this schedule pursuant to (s)240.13d-1(b)(1)(ii)(J), so indicate
                            under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of
                          each member of the group.  If a group has filed this schedule pursuant to (s)240.13d-1(c)
                            or (s)240.13d-1(d), attach an exhibit stating the identity of each member of the group.
                                                                                                                   
                                                                                                                N/A
                                                                                                                   
                                                                                                                   
Item 9.                                                                             Notice of Dissolution of Group.
                                                                                                                   
                                            Notice of dissolution of a group may be furnished as an exhibit stating
                                              the date of the dissolution and that all further filings with respect
                                            to transactions in the security reported on will be filed, if required,
                                                by members of the group, in their individual capacity.  See Item 5.
                                                                                                                   
                                                                                                                N/A




Item 10.                                                                                                        Certification.
                                                                                                                              
            By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not
          acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer
            of the securities and were not acquired and are not held in connection with or as a participant in any transaction
             having that purpose or effect, other than activities solely in connection with a nomination under (s) 240.14a-11.
                                                                                                                              










                                   SIGNATURE                                    
After reasonable inquiryand to the best of my knowledge and belief, I certify 
that the information set forth in this statement is true, complete and correct.


             August 2, 2024            
                 (Date)                
                                       
                                       
  Needham Investment Management L.L.C.*
                                       
    By:         /s/ James W. Giangrasso
              Name: James W. Giangrasso
        Title:  Chief Financial Officer
                                       
                                       
         Needham Asset Management, LLC*
                                       
    By:         /s/ James W. Giangrasso
              Name: James W. Giangrasso
        Title: Authorized Person       
                                       
                                       
        Needham Aggressive Growth Fund*
                                       
    By:         /s/ James W. Giangrasso
              Name: James W. Giangrasso
         Title: Chief Financial Officer
                                       
                                       
                     George A. Needham*
                                       
    By:           /s/ George A. Needham
                                       
                                       
                                       

* This Reporting Person disclaims beneficial ownershipof the reported 
securities except to the extent of his or its pecuniary interest therein, and 
this report shall not be deemed an admissionthat such Reporting Person is the 
beneficial owner of the securities for purposes of Section 16 of the Act, or 
for any other purpose.








                                                                       Exhibit A
                                   AGREEMENT                                    
The undersigned agree thatthis Schedule 13G dated August 2, 2024 relating to 
the Common Stock, par value $0.02 per share, of Northern Technologies 
InternationalCorp. shall be filed on behalf of the undersigned.


  Needham Investment Management L.L.C.
                                      
   By:         /s/ James W. Giangrasso
             Name: James W. Giangrasso
       Title:  Chief Financial Officer
                                      
                                      
         Needham Asset Management, LLC
                                      
   By:         /s/ James W. Giangrasso
             Name: James W. Giangrasso
       Title: Authorized Person       
                                      
                                      
        Needham Aggressive Growth Fund
                                      
   By:         /s/ James W. Giangrasso
             Name: James W. Giangrasso
       Title: Chief Financial Officer 
                                      
                                      
                     George A. Needham
                                      
   By:           /s/ George A. Needham
                                      
                                      
                                      








                                                                       Exhibit B
Needham Investment Management L.L.C. is therelevant entity for which each of 
Needham Asset Management, LLC and George A. Needham may be considered a 
control person.