Nancy E. Calderon - 01 Sep 2025 Form 4 Insider Report for NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

Role
Director
Signature
/s/ Matthew Wolsfeld, attorney-in-fact
Issuer symbol
NTIC
Transactions as of
01 Sep 2025
Net transactions value
+$532
Form type
4
Filing time
03 Sep 2025, 16:12:13 UTC
Previous filing
27 May 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Calderon Nancy E. Director C/O NORTHERN TECHNOLOGIES INT'L CORP., 4201 WOODLAND ROAD, PO BOX 69, CIRCLE PINES /s/ Matthew Wolsfeld, attorney-in-fact 03 Sep 2025 0001791477

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NTIC Common Stock Small acquisition under Rule 16a-6 $72.06 +5 +0.07% $13.29 7,960 13 Nov 2024 Direct
transaction NTIC Common Stock Small acquisition under Rule 16a-6 $151 +11 +0.14% $13.29 7,971 13 Nov 2024 Direct
transaction NTIC Common Stock Small acquisition under Rule 16a-6 $72.44 +6 +0.08% $11.26 7,978 12 Feb 2025 Direct
transaction NTIC Common Stock Small acquisition under Rule 16a-6 $152 +13 +0.17% $11.26 7,991 12 Feb 2025 Direct
transaction NTIC Common Stock Small acquisition under Rule 16a-6 $20.41 +3 +0.03% $7.35 7,994 14 May 2025 Direct
transaction NTIC Common Stock Small acquisition under Rule 16a-6 $21.85 +3 +0.04% $7.35 7,997 14 May 2025 Direct
transaction NTIC Common Stock Small acquisition under Rule 16a-6 $20.44 +3 +0.03% $7.72 8,000 13 Aug 2025 Direct
transaction NTIC Common Stock Small acquisition under Rule 16a-6 $21.88 +3 +0.04% $7.72 8,002 13 Aug 2025 Direct
transaction NTIC Common Stock Award $0 +6,739 +84% $0.000000 14,741 01 Sep 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares will vest on September 1, 2026 and be issued upon settlement of a restricted stock unit award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, conditioned upon the Reporting Person remaining a director of Northern Technologies International Corporation through the vesting date.
F2 Includes 6,739 shares issuable upon vesting and settlement of restricted stock units and 46.7041 shares held in the Reporting Person's IRA.