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WOLSFELD MATTHEW C profile photo

Matthew C. Wolsfeld

CIK: 0001258563

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)1 (20.0%)

Derivative conversions

Awards (A)3 (60.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (20.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

NORTHERN TECHNOLOGIES INTERNATIONAL CORP logo
NTIC

NORTHERN TECHNOLOGIES INTERNATIONAL CORP

Officer

Discretionary Trading P&L

Holdings

Transaction History (5 total)

  • NORTHERN TECHNOLOGIES INTERNATIONAL CORP logo
    NTIC

    NORTHERN TECHNOLOGIES INTERNATIONAL CORP

    Sep 1, 2026
    Award(A)

    Stock Option (right to buy)

    Direct
    29.8K shares-
  • NORTHERN TECHNOLOGIES INTERNATIONAL CORP logo
    NTIC

    NORTHERN TECHNOLOGIES INTERNATIONAL CORP

    Jul 1, 2026
    Exercise(M)
    Direct
    11.9K shares at avg. $6.70$80K
  • NORTHERN TECHNOLOGIES INTERNATIONAL CORP logo
    NTIC

    NORTHERN TECHNOLOGIES INTERNATIONAL CORP

    Jul 1, 2026
    Tax Payment(F)
    Direct
    9.2K shares at avg. $8.68$80K
  • NORTHERN TECHNOLOGIES INTERNATIONAL CORP logo
    NTIC

    NORTHERN TECHNOLOGIES INTERNATIONAL CORP

    Sep 1, 2025
    Award(A)

    Stock Option (right to buy)

    Direct
    32.6K shares-
  • NORTHERN TECHNOLOGIES INTERNATIONAL CORP logo
    NTIC

    NORTHERN TECHNOLOGIES INTERNATIONAL CORP

    Sep 1, 2024
    Award(A)

    Stock Option (right to buy)

    Direct
    33.2K shares-

1-5 of 5

About WOLSFELD MATTHEW C

WOLSFELD MATTHEW C (SEC CIK 0001258563) files insider reports with the SEC as CFO and Corporate Secretary of NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC).

Signal8 holds 4 ownership filings by WOLSFELD MATTHEW C, all Form 4s, filed between Sep 4, 2024 and Sep 3, 2026. Those filings report 5 transactions, from Sep 1, 2024 to Sep 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on WOLSFELD MATTHEW C's filings is in CIRCLE PINES, MN.

Recent filings by WOLSFELD MATTHEW C

  • Sep 1, 2026: Grant or award of NTIC derivative securities (Form 4, code A).
  • Jul 1, 2026: Option exercise of NTIC shares (Form 4, code M).
  • Jul 1, 2026: Tax withholding of NTIC shares (Form 4, code F).
  • Sep 1, 2025: Grant or award of NTIC derivative securities (Form 4, code A).
  • Sep 1, 2024: Grant or award of NTIC derivative securities (Form 4, code A).

Other insiders filing for NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

How to read Form 4 transaction codes