Ramani Narayan - Nov 12, 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
Nov 12, 2021
Transactions value $
$139,200
Form type
4
Date filed
11/12/2021, 04:59 PM
Previous filing
Sep 2, 2021
Next filing
Apr 25, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NTIC Common Stock Options Exercise $58.8K +8K +20.51% $7.35 47K Nov 12, 2021 Direct
transaction NTIC Common Stock Options Exercise $80.4K +8K +17.02% $10.05 55K Nov 12, 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 Nov 12, 2021 Common Stock 8K $7.35 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -8K -100% $0.00* 0 Nov 12, 2021 Common Stock 8K $10.05 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This option fully vested on September 1, 2014.
F2 This option fully vested on September 1, 2015.