FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
Ramdas Gautam

(Last) (First) (Middle)
4201 WOODLAND ROAD, POST OFFICE BOX 69

(Street)
CIRCLE PINES MN 55014

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
09/04/2026
3. Issuer Name and Ticker or Trading Symbol
NORTHERN TECHNOLOGIES INTERNATIONAL CORP [ NTIC ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
President and CEO
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 75,127.41
D
 
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy)   (1) 08/31/2027 Common Stock 7,468 9.18 D  
Stock Option (right to buy)   (1) 08/31/2028 Common Stock 16,638 18.23 D  
Stock Option (right to buy)   (1) 08/21/2029 Common Stock 35,362 10.8 D  
Stock Option (right to buy)   (1) 08/31/2030 Common Stock 45,720 8.24 D  
Stock Option (right to buy)   (1) 08/31/2031 Common Stock 19,905 16.97 D  
Stock Option (right to buy)   (1) 08/31/2032 Common Stock 28,649 11.38 D  
Stock Option (right to buy)   (1) 08/31/2033 Common Stock 27,361 13.25 D  
Stock Option (right to buy)   (2) 08/31/2034 Common Stock 27,434 13.26 D  
Stock Option (right to buy)   (3) 08/31/2035 Common Stock 27,333 7.42 D  
Explanation of Responses:
1. This option has fully vested.
2. This option has vested with respect to 18,288 shares and will vest with respect to the remaining shares on September 1, 2027.
3. This option has vested with respect to 9,111 shares and will vest with respect to 9,111 shares on each of September 1, 2027 and September 1, 2028.
/s/ Gautam Ramdas 09/09/2026
** Signature of Reporting Person Date
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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