Koh Soo Keong - Jul 7, 2021 Form 4 Insider Report for NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

Role
Director
Signature
/s/ Matthew C. Wolsfeld, attorney-in-fact
Stock symbol
NTIC
Transactions as of
Jul 7, 2021
Transactions value $
$584,494
Form type
4
Date filed
7/9/2021, 04:30 PM

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NTIC Common Stock Options Exercise $58.8K +8K +24% $7.35 41.3K Jul 7, 2021 Direct
transaction NTIC Common Stock Options Exercise $80.4K +8K +19.36% $10.05 49.3K Jul 7, 2021 Direct
transaction NTIC Common Stock Options Exercise $59.4K +8K +16.22% $7.43 57.3K Jul 7, 2021 Direct
transaction NTIC Common Stock Options Exercise $53.6K +8K +13.95% $6.70 65.3K Jul 7, 2021 Direct
transaction NTIC Common Stock Options Exercise $73.4K +8K +12.25% $9.18 73.3K Jul 7, 2021 Direct
transaction NTIC Common Stock Options Exercise $127K +11.7K +16.01% $10.80 85.1K Jul 7, 2021 Direct
transaction NTIC Common Stock Options Exercise $132K +16K +18.84% $8.24 101K Jul 7, 2021 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction NTIC Stock Option (right to buy) Options Exercise $0 -8K -100% $0.00* 0 Jul 7, 2021 Common Stock 8K $7.35 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -8K -100% $0.00* 0 Jul 7, 2021 Common Stock 8K $10.05 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -8K -100% $0.00* 0 Jul 7, 2021 Common Stock 8K $7.43 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -8K -100% $0.00* 0 Jul 7, 2021 Common Stock 8K $6.70 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -8K -100% $0.00* 0 Jul 7, 2021 Common Stock 8K $9.18 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -11.7K -100% $0.00* 0 Jul 7, 2021 Common Stock 11.7K $10.80 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -16K -100% $0.00* 0 Jul 7, 2021 Common Stock 16K $8.24 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This option has fully vested.