NPK International Inc. - NPKI

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: Apr 03, 2026
Form Count
4 7
8-K 6
SCHEDULE 13G/A 3
144 3
4/A 1

Latest files

Filed Form Report period Accession SEC
Apr 03, 2026 4 Apr 01, 2026 0001418328-26-000006 View
Mar 27, 2026 SCHEDULE 13G/A 0000102909-26-002008 View
Mar 26, 2026 4 Mar 25, 2026 0000071829-26-000011 View
Mar 18, 2026 4 Mar 16, 2026 0001975485-26-000007 View
Mar 10, 2026 4 Mar 06, 2026 0001975485-26-000005 View
Mar 06, 2026 144 0001950047-26-002323 View
Mar 05, 2026 4 Mar 04, 2026 0001418328-26-000002 View
Mar 04, 2026 144 0001950047-26-002165 View
Feb 26, 2026 8-K Feb 26, 2026 0000071829-26-000006 View
Feb 25, 2026 8-K Feb 25, 2026 0000071829-26-000004 View
Feb 25, 2026 4 Feb 23, 2026 0001423238-26-000002 View
Jan 21, 2026 4/A Jun 01, 2025 0001975485-26-000003 View
Nov 25, 2025 4 Nov 24, 2025 0001423238-25-000004 View
Nov 24, 2025 8-K Nov 24, 2025 0000071829-25-000143 View
Nov 24, 2025 144 0001950047-25-009249 View
Nov 14, 2025 SCHEDULE 13G/A 0001193125-25-281978 View
Nov 12, 2025 8-K Nov 10, 2025 0000071829-25-000139 View
Oct 31, 2025 8-K Oct 31, 2025 0000071829-25-000137 View
Oct 30, 2025 8-K Oct 30, 2025 0000071829-25-000132 View
Oct 09, 2025 SCHEDULE 13G/A 0000354204-25-001321 View