Northern Technologies COO owns 1,589.26 shares

Q: What did NTIC’s chief operating officer report on this Form 3?

He reported his initial beneficial ownership, including 1,589.26 shares of NTIC common stock held directly and multiple stock option awards to purchase additional common shares at set exercise prices with expirations between 2030 and 2036.

Q: How many NTIC common shares does Brian James Haglund hold directly?

He directly holds 1,589.26 shares of NORTHERN TECHNOLOGIES INTERNATIONAL CORP common stock as of September 4, 2026, according to the ownership table in the Form 3.

Q: What stock options does the NTIC COO have at an $8.24 exercise price?

He holds a stock option to acquire 21,370 NTIC common shares at an exercise price of $8.24 per share, expiring on August 31, 2030. A related footnote states that this option has fully vested.

Q: Which NTIC stock option grant for the COO vests through 2029?

One option for 21,137 underlying NTIC common shares vests with respect to 7,045 shares on September 1, 2027 and 7,046 shares on each of September 1, 2028 and September 1, 2029, according to the footnotes.

Q: What is the highest exercise price on the NTIC COO’s reported options?

The highest reported exercise price is $16.97 per share for a stock option covering 7,753 underlying shares of NTIC common stock, expiring on August 31, 2031.

NTIC’s chief operating officer filed an initial ownership report detailing direct share holdings and multiple stock option awards with staggered vesting through 2029.

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

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Form Type

Rhea-AI Filing Summary

NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC) reported the initial holdings of Chief Operating Officer Brian James Haglund. He directly holds 1,589.26 shares of common stock. He also holds several stock options to buy common stock, with exercise prices between $7.42 and $16.97 per share, expiring from August 31, 2030 through August 31, 2036. Some of these options are fully vested, while others vest in tranches through September 1, 2029.

Insider Trade Summary

8 transactions reported

Mixed 8 txns

Insider Haglund Brian James

Role Chief Operating Officer

Type	Security	Shares	Price	Value
holding	Stock Option (right to buy) ^F1	--	--	--
holding	Stock Option (right to buy) ^F1	--	--	--
holding	Stock Option (right to buy) ^F1	--	--	--
holding	Stock Option (right to buy) ^F1	--	--	--
holding	Stock Option (right to buy) ^F2	--	--	--
holding	Stock Option (right to buy) ^F3	--	--	--
holding	Stock Option (right to buy) ^F4	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Option (right to buy) — 127,342 contracts (Direct); Common Stock — 1,589.26 shares (Direct)

Footnotes (4)

F1. This option has fully vested.
F2. This option has vested with respect to 13,324 shares and will vest with respect to the remaining shares on September 1, 2027.
F3. This option has vested with respect to 7,009 shares and will vest with respect to 7,009 shares on each of September 1, 2027 and September 1, 2028.
F4. This option vests with respect to 7,045 shares on September 1, 2027 and with respect to 7,046 shares on each of September 1, 2028 and September 1, 2029.

Key Figures

Direct common shares held: 1,589.26 shares Option expiring August 31, 2030 underlying shares: 21,370 shares Option expiring August 31, 2031 underlying shares: 7,753 shares +5 more

8 metrics

Direct common shares held 1,589.26 shares Reported as of September 4, 2026

Option expiring August 31, 2030 underlying shares 21,370 shares Exercise price $8.24 per share; option stated as fully vested

Option expiring August 31, 2031 underlying shares 7,753 shares Exercise price $16.97 per share

Option expiring August 31, 2032 underlying shares 17,684 shares Exercise price $11.38 per share

Option expiring August 31, 2033 underlying shares 18,383 shares Exercise price $13.25 per share

Option with vesting through September 1, 2027 19,988 shares Exercise price $13.26 per share; part already vested, remainder vests September 1, 2027

Option with vesting through September 1, 2028 21,027 shares Exercise price $7.42 per share; vests in three equal 7,009-share installments through 2028

Option with vesting through September 1, 2029 21,137 shares Exercise price $8.08 per share; vests in tranches in 2027, 2028 and 2029

FAQ

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

What did NTIC’s chief operating officer report on this Form 3?

He reported his initial beneficial ownership, including 1,589.26 shares of NTIC common stock held directly and multiple stock option awards to purchase additional common shares at set exercise prices with expirations between 2030 and 2036.

How many NTIC common shares does Brian James Haglund hold directly?

He directly holds 1,589.26 shares of NORTHERN TECHNOLOGIES INTERNATIONAL CORP common stock as of September 4, 2026, according to the ownership table in the Form 3.

What stock options does the NTIC COO have at an $8.24 exercise price?

He holds a stock option to acquire 21,370 NTIC common shares at an exercise price of $8.24 per share, expiring on August 31, 2030. A related footnote states that this option has fully vested.

Which NTIC stock option grant for the COO vests through 2029?

One option for 21,137 underlying NTIC common shares vests with respect to 7,045 shares on September 1, 2027 and 7,046 shares on each of September 1, 2028 and September 1, 2029, according to the footnotes.

Are any of the NTIC COO’s stock options fully vested already?

Yes. The filing notes that at least one option award, including an option covering 21,370 underlying NTIC common shares at an exercise price of $8.24, has fully vested as of the reporting date.

What is the highest exercise price on the NTIC COO’s reported options?

The highest reported exercise price is $16.97 per share for a stock option covering 7,753 underlying shares of NTIC common stock, expiring on August 31, 2031.

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

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Available on EDGAR 09/09/2026 - 09:06 PM EDT Accepted by SEC EDGAR 09/09/2026 - 09:05 PM EDT

SEC Form 3

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Haglund Brian James

(Last)

(First)

(Middle)

4201 WOODLAND ROAD, POST OFFICE BOX 69

(Street)

CIRCLE PINES

MINNESOTA

55014

(City)

(State)

(Zip)

UNITED STATES

(Country)

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 ]

3a. Foreign Trading Symbol

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

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

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

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	1,589.26	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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Stock Option (right to buy)	⁽¹⁾	08/31/2030	Common Stock	21,370	$8.24	D
Stock Option (right to buy)	⁽¹⁾	08/31/2031	Common Stock	7,753	$16.97	D
Stock Option (right to buy)	⁽¹⁾	08/31/2032	Common Stock	17,684	$11.38	D
Stock Option (right to buy)	⁽¹⁾	08/31/2033	Common Stock	18,383	$13.25	D
Stock Option (right to buy)	⁽²⁾	08/31/2034	Common Stock	19,988	$13.26	D
Stock Option (right to buy)	⁽³⁾	08/31/2035	Common Stock	21,027	$7.42	D
Stock Option (right to buy)	⁽⁴⁾	08/31/2036	Common Stock	21,137	$8.08	D

Explanation of Responses:

1. This option has fully vested.

2. This option has vested with respect to 13,324 shares and will vest with respect to the remaining shares on September 1, 2027.

3. This option has vested with respect to 7,009 shares and will vest with respect to 7,009 shares on each of September 1, 2027 and September 1, 2028.

4. This option vests with respect to 7,045 shares on September 1, 2027 and with respect to 7,046 shares on each of September 1, 2028 and September 1, 2029.

	/s/ Matthew C. Wolsfeld-Attorney-in-fact	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 5 (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 3: SEC 1473 (03-26)

Source: View Original Filing on SEC EDGAR