| | | | | | | | | | | | | | | | | | | | | |
Ownership Document |
Schema Version: X0306 |
Document Type: 4 |
Period of Report: 9/1/22 |
Not Subject to Section 16: 0 |
Issuer: |
| Issuer CIK: 875582 |
| Issuer Name: NORTHERN TECHNOLOGIES INTERNATIONAL CORP |
| Issuer Trading Symbol: NTIC |
Reporting Owner: |
| Reporting Owner ID: |
| | Owner CIK: 1302082 |
| | Owner Name: Lee Sunggyu |
| Reporting Owner Address: |
| | Owner Street 1: 4201 WOODLAND ROAD |
| | Owner Street 2: POST OFFICE BOX 69 |
| | Owner City: CIRCLE PINES |
| | Owner State: MN |
| | Owner ZIP Code: 55014-0000 |
| | Owner State Description: |
| Reporting Owner Relationship: |
| | Is Director? Yes |
| | Is Officer? No |
| | Is Ten Percent Owner? No |
| | Is Other? No |
Non-Derivative Table: |
| Non-Derivative Holding: |
| | Security Title: |
| | | Value: Common Stock |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 0 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
Derivative Table: |
| Derivative Transaction: |
| | Security Title: |
| | | Value: Stock Option (right to buy) |
| | Conversion or Exercise Price: |
| | | Value: 11.38 |
| | Transaction Date: |
| | | Value: 9/1/22 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: A |
| | | Equity Swap Involved? No |
| | Transaction Timeliness: |
| | | Value: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 10,309 |
| | | Transaction Price Per Share: |
| Value: 0 |
| | | Transaction Acquired-Disposed Code: |
| Value: A |
| | Exercise Date: |
| | | Value: 9/1/23 |
| | Expiration Date: |
| | | Value: 8/31/32 |
| | Underlying Security: |
| | | Underlying Security Title: |
| Value: Common Stock |
| | | Underlying Security Shares: |
| Value: 10,309 |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 10,309 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
Owner Signature: |
| Signature Name: /s/ Matthew C. Wolsfeld - Attorney-in-fact |
| Signature Date: 9/14/22 |