Koh Soo Keong - 07 Jul 2021 Form 4 Insider Report for NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

Role
Director
Signature
/s/ Matthew C. Wolsfeld, attorney-in-fact
Issuer symbol
NTIC
Transactions as of
07 Jul 2021
Net transactions value
+$584,494
Form type
4
Filing time
09 Jul 2021, 16:30:00 UTC

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NTIC Common Stock Options Exercise $58,800 +8,000 +24% $7.35 41,332 07 Jul 2021 Direct
transaction NTIC Common Stock Options Exercise $80,400 +8,000 +19% $10.05 49,332 07 Jul 2021 Direct
transaction NTIC Common Stock Options Exercise $59,440 +8,000 +16% $7.43 57,332 07 Jul 2021 Direct
transaction NTIC Common Stock Options Exercise $53,600 +8,000 +14% $6.70 65,332 07 Jul 2021 Direct
transaction NTIC Common Stock Options Exercise $73,440 +8,000 +12% $9.18 73,332 07 Jul 2021 Direct
transaction NTIC Common Stock Options Exercise $126,760 +11,737 +16% $10.80 85,069 07 Jul 2021 Direct
transaction NTIC Common Stock Options Exercise $132,054 +16,026 +19% $8.24 101,095 07 Jul 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 -8,000 -100% $0.000000* 0 07 Jul 2021 Common Stock 8,000 $7.35 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -8,000 -100% $0.000000* 0 07 Jul 2021 Common Stock 8,000 $10.05 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -8,000 -100% $0.000000* 0 07 Jul 2021 Common Stock 8,000 $7.43 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -8,000 -100% $0.000000* 0 07 Jul 2021 Common Stock 8,000 $6.70 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -8,000 -100% $0.000000* 0 07 Jul 2021 Common Stock 8,000 $9.18 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -11,737 -100% $0.000000* 0 07 Jul 2021 Common Stock 11,737 $10.80 Direct F1
transaction NTIC Stock Option (right to buy) Options Exercise $0 -16,026 -100% $0.000000* 0 07 Jul 2021 Common Stock 16,026 $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.