Keong Koh Soo

CIK 00014342711 companyCIRCLE PINES, MN

SEC Profile

Transactions

Companies

Filings

CIK

0001434271

Recent Transactions

37 trades

Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2021-07-07$10.80/sh+11,737→ 85,069 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2021-07-07$7.35/sh+8,000→ 41,332 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2021-07-07$10.05/sh+8,000→ 49,332 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2021-07-07$7.43/sh+8,000→ 57,332 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2021-07-07$8.24/sh+16,026→ 101,095 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2021-07-07−8,000→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2021-07-07−8,000→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2021-07-07−8,000→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2021-07-07−8,000→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2021-07-07−8,000→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2021-07-07−11,737→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2021-07-07−16,026→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2021-07-07$9.18/sh+8,000→ 73,332 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2021-07-07$6.70/sh+8,000→ 65,332 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2020-09-01+16,026→ 16,026 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2019-09-01+11,737→ 11,737 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2018-09-01+2,773→ 2,773 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2017-09-01+4,000→ 4,000 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2017-08-23$10.25/sh−4,000→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2017-08-23$10.25/sh+4,000→ 16,666 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2016-09-01+4,000→ 4,000 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2015-09-01+4,000→ 4,000 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2015-07-03$9.76/sh−4,000→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2015-07-03$9.76/sh+4,000→ 12,666 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2014-09-01+4,000→ 4,000 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2014-08-25$8.57/sh−4,000→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2014-08-25$8.57/sh+4,000→ 8,666 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2013-09-01+4,000→ 4,000 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2013-08-30$12.84/sh−4,000→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2013-08-30$12.84/sh+4,000→ 4,666 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2013-04-29$7.75/sh−666→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2013-04-29$7.75/sh+666→ 666 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2012-09-01+4,000→ 4,000 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2012-09-01+4,000→ 4,000 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2011-09-01+4,000→ 4,000 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (Right-to-Buy)
2010-09-01+4,000→ 4,000 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2009-09-01+4,000→ 4,000 total

Companies

NORTHERN TECHNOLOGIES INTERNATIONAL CORP
Director
$NTIC

Recent Filings

Address

4201 WOODLAND ROAD POST OFFICE BOX 69

CIRCLE PINES, MN, 55014

View on SEC.gov