Northern Technologies director awarded 6,188 RSUs

NTIC disclosed a time-based restricted stock unit grant to a director, adding to her reported equity holdings contingent on a one-year vesting period.

Rhea-AI Filing Summary

NORTHERN TECHNOLOGIES INTERNATIONAL CORP (symbol: NTIC) is the issuer of record for a Form 4 filing submitted to the SEC. Pinho Cristina Lucia Duarte reported acquisition or exercise transactions in this Form 4 filing.

NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) reported that director Cristina Lucia Duarte Pinho received a grant of 6,188 shares of common stock in the form of restricted stock units on September 1, 2026. These RSUs vest on September 1, 2027, conditioned on her continued service as a director, bringing her reported direct holdings to 16,698 shares, including unvested RSUs.

Insider Trade Summary

Grant/Award: 6,188 shares

Grant/Award 1 txn

Insider Pinho Cristina Lucia Duarte

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2	6,188	$0.00	$0.00

Holdings After Transaction: Common Stock — 16,698 shares (Direct)

Footnotes (2)

1. F1. These shares will vest on September 1, 2027 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.
2. F2. Includes 6,188 shares issuable upon vesting and settlement of restricted stock units.

Key Figures

Restricted stock units granted: 6,188 shares Vesting date: September 1, 2027 Holdings after transaction: 16,698 shares +1 more

4 metrics

Restricted stock units granted 6,188 shares Grant to director on September 1, 2026

Vesting date September 1, 2027 RSUs vest if the director continues service through this date

Holdings after transaction 16,698 shares Director’s reported direct holdings of NTIC common stock after the grant, including unvested RSUs

Grant price per share $0.00 per share Reported price for the restricted stock unit award

Key Terms

restricted stock unit, vest, Stock Incentive Plan

3 terms

restricted stock unit financial

"issued upon settlement of a restricted stock unit award granted under the"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

vest financial

"These shares will vest on September 1, 2027 and be issued upon"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

Stock Incentive Plan financial

"award granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan"

A stock incentive plan is a company program that gives employees or directors pieces of ownership or the right to buy shares over time, similar to receiving a bonus paid in company stock instead of cash. Investors pay attention because these plans align staff incentives with long‑term company performance but can also dilute existing shareholders and affect reported profits when grants are expensed, so they influence both ownership percentages and financial results.

FAQ

What insider transaction did NTIC report for Cristina Lucia Duarte Pinho?

NTIC reported that director Cristina Lucia Duarte Pinho acquired 6,188 shares of common stock in the form of a restricted stock unit award on September 1, 2026, at a reported price of $0.00 per share as a compensation grant.

When do the newly granted NTIC RSUs vest for the director?

The 6,188 restricted stock units granted to the NTIC director will vest on September 1, 2027 and be issued upon settlement, provided she remains a director of Northern Technologies International Corporation through that vesting date.

How many NTIC shares does the director hold after this Form 4 transaction?

After the reported grant, the director is shown as directly holding 16,698 shares of NTIC common stock, which includes 6,188 shares issuable upon vesting and settlement of the reported restricted stock units.

Was the NTIC director’s RSU grant made under a company stock plan?

Yes. The 6,188-unit restricted stock award was granted under the Northern Technologies International Corporation 2024 Stock Incentive Plan, according to the footnotes describing the terms of the grant and vesting conditions.

Is the NTIC director’s RSU transaction reported as part of a Rule 10b5-1 plan?

No. The filing’s Rule 10b5-1 checkbox is not affirmed, and the footnotes describe the transaction as a restricted stock unit award with vesting conditions, not as a trade executed under a Rule 10b5-1 trading plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/03/2026 - 04:27 PM Accepted by SEC EDGAR 09/03/2026 - 04:14 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Pinho Cristina Lucia Duarte

(Last) (First) (Middle)

C/O NORTHERN TECHNOLOGIES INT'L CORP.

4201 WOODLAND ROAD, PO BOX 69

(Street)

CIRCLE PINES MINNESOTA 55014

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
NORTHERN TECHNOLOGIES INTERNATIONAL CORP [ NTIC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/01/2026		A		6,188(1)	A	$0	16,698(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares will vest on September 1, 2027 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.

2. Includes 6,188 shares issuable upon vesting and settlement of restricted stock units.

	/s/ Matthew C. Wolsfeld-Attorney-in-fact	09/03/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)