NATIONAL RESEARCH CORP — SC 13D/A Filings
11 SC 13D/A filings on record
This page lists all SC 13D/A filings submitted to the SEC by NATIONAL RESEARCH CORP (NRC), sorted by most recent first. Each row links to the full filing on EdgarLookup. NATIONAL RESEARCH CORP has filed 11 SC 13D/A documents with the SEC since 2007. To view all SEC filings by NATIONAL RESEARCH CORP, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
144
15-12B
25-NSE
3
4
4/A
424B1
424B3
424B7
425
5
8-A12B
8-A12B/A
8-A12G
8-K
8-K/A
ARS
CERTNAS
CORRESP
DEF 14A
DEFA14A
EFFECT
PRE 14A
PRER14A
S-1
S-1/A
S-3
S-3/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13E3
SC 13E3/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13D/A | SCHEDULE 13D/A | 0001008886-24-000080 | Mar 5, 2024 | — |
| SC 13D/A | SCHEDULE 13D/A | 0001008886-24-000022 | Jan 4, 2024 | — |
| SC 13D/A | SCHEDULE 13D/A | 0001008886-22-000145 | Nov 1, 2022 | — |
| SC 13D/A | SCHEDULE 13D/A | 0001008886-22-000050 | Jun 13, 2022 | — |
| SC 13D/A | SCHEDULE 13D/A | 0001008886-21-000110 | Dec 8, 2021 | — |
| SC 13D/A | SCHEDULE 13D/A | 0001008886-21-000030 | Mar 15, 2021 | — |
| SC 13D/A | SCHEDULE 13D/A | 0001008886-21-000028 | Mar 4, 2021 | — |
| SC 13D/A | SCHEDULE 13D/A | 0001008886-19-000201 | Nov 25, 2019 | — |
| SC 13D/A | — | 0000897069-18-000269 | Apr 25, 2018 | — |
| SC 13D/A | — | 0000897069-18-000267 | Apr 25, 2018 | — |
| SC 13D/A | — | 0000897069-18-000140 | Feb 23, 2018 | — |