NORTHERN TECHNOLOGIES INTERNATIONAL CORP — Director's Dealing 2018

Sep 5, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)
CIK: 0000875582
Period of Report: 2018-09-01

Reporting Person: Colwell Barbara D. (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-09-01	Stock Option (right to buy)	$36.45	A	2773	Acquired	2028-08-31	Common Stock (2773)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1500	Direct