NORTHERN TECHNOLOGIES INTERNATIONAL CORP|4Jul 9, 4:30 PM ET

Keong Koh Soo 4

4 · NORTHERN TECHNOLOGIES INTERNATIONAL CORP · Filed Jul 9, 2021

Insider Transaction Report

Form 4

Period: 2021-07-07

NORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC

Keong Koh Soo

Director

Transactions

Exercise/Conversion
Common Stock
2021-07-07$7.35/sh+8,000$58,800→ 41,332 total
Exercise/Conversion
Common Stock
2021-07-07$10.05/sh+8,000$80,400→ 49,332 total
Exercise/Conversion
Common Stock
2021-07-07$7.43/sh+8,000$59,440→ 57,332 total
Exercise/Conversion
Common Stock
2021-07-07$8.24/sh+16,026$132,054→ 101,095 total
Exercise/Conversion
Stock Option (right to buy)
2021-07-07−8,000→ 0 total
Exercise: $10.05Exp: 2024-08-31→ Common Stock (8,000 underlying)
Exercise/Conversion
Stock Option (right to buy)
2021-07-07−8,000→ 0 total
Exercise: $7.43Exp: 2025-08-31→ Common Stock (8,000 underlying)
Exercise/Conversion
Stock Option (right to buy)
2021-07-07−8,000→ 0 total
Exercise: $7.35Exp: 2023-08-31→ Common Stock (8,000 underlying)
Exercise/Conversion
Stock Option (right to buy)
2021-07-07−8,000→ 0 total
Exercise: $6.70Exp: 2026-08-31→ Common Stock (8,000 underlying)
Exercise/Conversion
Stock Option (right to buy)
2021-07-07−8,000→ 0 total
Exercise: $9.18Exp: 2027-08-31→ Common Stock (8,000 underlying)
Exercise/Conversion
Stock Option (right to buy)
2021-07-07−11,737→ 0 total
Exercise: $10.80Exp: 2029-08-31→ Common Stock (11,737 underlying)
Exercise/Conversion
Stock Option (right to buy)
2021-07-07−16,026→ 0 total
Exercise: $8.24Exp: 2030-08-31→ Common Stock (16,026 underlying)
Exercise/Conversion
Common Stock
2021-07-07$9.18/sh+8,000$73,440→ 73,332 total
Exercise/Conversion
Common Stock
2021-07-07$6.70/sh+8,000$53,600→ 65,332 total
Exercise/Conversion
Common Stock
2021-07-07$10.80/sh+11,737$126,760→ 85,069 total

Footnotes (1)

[F1]This option has fully vested.

Documents

1 file

4
primary_doc.xmlPrimary
PRIMARY DOCUMENT