Desq Long
Sign in

Company

NORTHERN TECHNOLOGIES INTERNATIONAL CORP

NTIC · CIK 0000875582

SEC FORM 4
$0.00

NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

Acquisition (code A) of 43,805 shares at $0 per share.

Reporting Person Ramdas Gautam · Officer Title President and CEO · Transaction Code A

Traded Sep 4, 2026 · Disclosed Sep 9, 2026

Source: SEC Form 4 · 0002153871-26-000002 · filed 2026-09-09 · View filing →

SEC FORM 4
$20.48

NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

Acquisition (code L) of 2.3651 shares at $8.66 per share.

Reporting Person Calderon Nancy E. · Transaction Code L

Traded Feb 11, 2026 · Disclosed Sep 3, 2026FILED +204 DAYS

Source: SEC Form 4 · 0001791477-26-000001 · filed 2026-09-03 · View filing →

SEC FORM 4
$21.93

NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

Acquisition (code L) of 2.5325 shares at $8.66 per share.

Reporting Person Calderon Nancy E. · Transaction Code L

Traded Feb 11, 2026 · Disclosed Sep 3, 2026FILED +204 DAYS

Source: SEC Form 4 · 0001791477-26-000001 · filed 2026-09-03 · View filing →

SEC FORM 4
$20.47

NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

Acquisition (code L) of 2.5209 shares at $8.12 per share.

Reporting Person Calderon Nancy E. · Transaction Code L

Traded Nov 12, 2025 · Disclosed Sep 3, 2026FILED +295 DAYS

Source: SEC Form 4 · 0001791477-26-000001 · filed 2026-09-03 · View filing →

SEC FORM 4
$21.91

NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

Acquisition (code L) of 2.6983 shares at $8.12 per share.

Reporting Person Calderon Nancy E. · Transaction Code L

Traded Nov 12, 2025 · Disclosed Sep 3, 2026FILED +295 DAYS

Source: SEC Form 4 · 0001791477-26-000001 · filed 2026-09-03 · View filing →