Northern Technologies CFO granted 29,755 options

NTIC’s CFO received a new stock option grant for 29,755 shares at $8.08, vesting over three years while holding 170,966 common shares directly.

Rhea-AI Filing Summary

NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) reported that its Chief Financial Officer and Corporate Secretary, Matthew C. Wolsfeld, received a grant of stock options on September 1, 2026 to acquire 29,755 shares of common stock at an exercise price of $8.08 per share, expiring on August 31, 2036. The option vests in three annual installments, and after this grant he held 170,966 shares of common stock directly.

The option vests with respect to 9,919 underlying shares on September 1, 2027 and 9,918 underlying shares on each of September 1, 2028 and September 1, 2029. No transactions under a Rule 10b5-1 trading plan are reported.

Insider Trade Summary

Grant/Award: 29,755 shares

Grant/Award 2 txns

Insider WOLSFELD MATTHEW C

Role CFO and Corporate Secretary

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (right to buy) F1	29,755	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Option (right to buy) — 29,755 contracts (Direct); Common Stock — 170,966 shares (Direct)

Footnotes (1)

1. F1. This option vests with respect to 9,919 shares on September 1, 2027, and with respect to 9,918 shares on each of September 1, 2028 and September 1, 2029.

Key Figures

Stock options granted: 29,755 options Exercise price: $8.08 per share Option expiration: August 31, 2036 +5 more

8 metrics

Stock options granted 29,755 options Grant to CFO and Corporate Secretary on September 1, 2026

Exercise price $8.08 per share Exercise price of the stock option grant

Option expiration August 31, 2036 Expiration date of the granted stock options

First vesting tranche 9,919 shares Portion of option vesting on September 1, 2027

Second vesting tranche 9,918 shares Portion of option vesting on September 1, 2028

Third vesting tranche 9,918 shares Portion of option vesting on September 1, 2029

Common shares held after transaction 170,966 shares Direct common stock holdings of the CFO following the reported grant

Underlying common shares 29,755 shares Number of common shares underlying the granted stock option

Key Terms

stock option, exercise price, vesting, underlying shares, +2 more

6 terms

stock option financial

"received a grant of stock options on September 1, 2026 to acquire"

A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.

exercise price financial

"at an exercise price of $8.08 per share"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

vesting financial

"The option vests in three annual installments"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

underlying shares financial

"with respect to 9,919 underlying shares on September 1, 2027"

expiration date financial

"expiring on August 31, 2036"

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

Rule 10b5-1 trading plan regulatory

"No transactions under a Rule 10b5-1 trading plan are reported"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did NTIC report for CFO Matthew C. Wolsfeld?

NTIC reported that CFO and Corporate Secretary Matthew C. Wolsfeld received a stock option grant for 29,755 shares of common stock on September 1, 2026 at an exercise price of $8.08 per share, expiring on August 31, 2036.

How do the new NTIC stock options for the CFO vest?

The stock option granted to NTIC’s CFO vests in three annual tranches: 9,919 shares vest on September 1, 2027, and 9,918 shares vest on each of September 1, 2028 and September 1, 2029.

What is the exercise price and expiration date of the NTIC CFO’s option grant?

The NTIC CFO’s stock option has an exercise price of $8.08 per share and an expiration date of August 31, 2036, giving him the right to buy common shares at that price until that date, subject to vesting.

How many NTIC common shares did the CFO hold after this reported transaction?

After the reported option grant, NTIC’s CFO held 170,966 shares of common stock directly. This figure reflects his direct ownership position as of the transaction date reported.

Was the NTIC CFO’s option grant made under a Rule 10b5-1 trading plan?

No. The filing indicates that no Rule 10b5-1 trading plan is associated with the reported transactions, so the grant is not identified as being made under such a pre-arranged plan.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 09/03/2026 - 09:59 PM EDT Accepted by SEC EDGAR 09/03/2026 - 09:58 PM EDT 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^*

WOLSFELD MATTHEW C

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO and Corporate Secretary

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								170,966	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
Stock Option (right to buy)	$8.08	09/01/2026		A		29,755		(1)	08/31/2036	Common Stock	29,755	$0	29,755	D

Explanation of Responses:

1. This option vests with respect to 9,919 shares on September 1, 2027, and with respect to 9,918 shares on each of September 1, 2028 and September 1, 2029.

	Matthew C. Wolsfeld	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)