NORTHERN TECHNOLOGIES INTERNATIONAL CORP - NTIC

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 20
Latest filed: Sep 22, 2026
Form Count
4 13
8-K 4
144 2
SCHEDULE 13G/A 1

Latest files

Filed Form Report period Accession SEC
Sep 22, 2026 8-K Sep 21, 2026 0001171843-26-006175 View
Sep 09, 2026 4 Sep 04, 2026 0002153871-26-000002 View
Sep 08, 2026 8-K Sep 04, 2026 0001171843-26-005919 View
Sep 04, 2026 4 Sep 01, 2026 0001258554-26-000005 View
Sep 03, 2026 4 Sep 01, 2026 0001791477-26-000001 View
Sep 03, 2026 4 Sep 01, 2026 0001309741-26-000001 View
Sep 03, 2026 4 Sep 01, 2026 0001562252-26-000001 View
Sep 03, 2026 4 Sep 01, 2026 0001960551-26-000001 View
Sep 03, 2026 4 Sep 01, 2026 0001791493-26-000001 View
Sep 03, 2026 4 Sep 01, 2026 0001302082-26-000001 View
Sep 03, 2026 4 Sep 01, 2026 0001213869-26-000009 View
Sep 03, 2026 4 Sep 01, 2026 0001258563-26-000002 View
Jul 31, 2026 4 Jul 29, 2026 0001258554-26-000004 View
Jul 29, 2026 144 — 0001258554-26-000003 View
Jul 21, 2026 4 Jul 20, 2026 0001213869-26-000008 View
Jul 20, 2026 144 — 0001972481-26-000234 View
Jul 09, 2026 8-K Jul 09, 2026 0001171843-26-004547 View
Jul 02, 2026 4 Jul 01, 2026 0001258563-26-000001 View
May 14, 2026 SCHEDULE 13G/A — 0000919574-26-003159 View
Apr 24, 2026 8-K Apr 24, 2026 0001171843-26-002704 View