WOLSFELD MATTHEW C

CIK 00012585631 companyCIRCLE PINES, MN

SEC Profile

Transactions

Companies

Filings

CIK

0001258563

Recent Transactions

35 trades

Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2025-09-01+32,559→ 32,559 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2024-09-01+33,156→ 33,156 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2024-07-15−7,752→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2024-07-15$10.05/sh+7,752→ 168,149 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2023-09-01+33,543→ 33,543 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2023-07-11$7.35/sh+8,582→ 160,338 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2023-07-11−8,582→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2022-10-04−27,218→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2022-10-04$5.13/sh+27,218→ 161,813 total
Tax Payment
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2022-10-04$13.83/sh−10,086→ 151,727 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2022-09-01+35,121→ 35,121 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2021-09-01+24,051→ 24,051 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2020-09-01+55,244→ 55,244 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2019-09-01+43,351→ 43,351 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2018-09-01+10,198→ 10,198 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2017-09-01+4,325→ 4,325 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2016-09-01+5,940→ 5,940 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2015-09-01+5,386→ 5,386 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2014-09-01+3,876→ 3,876 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2014-03-10$7.65/sh−9,000→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2014-03-10$7.65/sh+9,000→ 66,966 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2013-09-01+4,291→ 4,291 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2012-11-16+4,971→ 4,971 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2012-11-16+6,153→ 6,153 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2012-11-16+2,485→ 2,485 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2012-11-14$9.95/sh+3,950→ 61,515 total
Tax Payment
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2012-11-14$10.80/sh−3,639→ 57,876 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2012-11-14−3,950→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2012-09-24$9.95/sh+9,000→ 57,565 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option (right to buy)
2012-09-24$9.95/sh−9,000→ 0 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common stock
2011-11-04+6,053→ 48,507 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2010-11-18+3,193→ 42,393 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Stock Option - Right to Buy
2010-11-02$5.38/sh−8,000→ 0 total
Exercise/Conversion
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Common Stock
2010-11-02$5.38/sh+8,000→ 39,200 total
Award
NORTHERN TECHNOLOGIES INTERNATIONAL CORP$NTIC
Employee Stock Option (right to buy)
2009-11-20+9,000→ 9,000 total

Companies

NORTHERN TECHNOLOGIES INTERNATIONAL CORP
CFO and Corporate Secretary
$NTIC

Recent Filings

Address

4201 WOODLAND ROAD

CIRCLE PINES, MN, 55014

View on SEC.gov