Spok Holdings, Inc — 10-K/A Filings
4 10-K/A filings on record
This page lists all 10-K/A filings submitted to the SEC by Spok Holdings, Inc (SPOK), sorted by most recent first. Each row links to the full filing on EdgarLookup. Spok Holdings, Inc has filed 4 10-K/A documents with the SEC since 2013. To view all SEC filings by Spok Holdings, Inc, see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
4
4/A
424B2
424B3
425
8-A12B
8-A12B/A
8-K
8-K/A
8-K12G3
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
NT 10-K
NT 10-Q
RW
S-3
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 10-K/A | 10-K/A | 0001289945-21-000030 | Apr 30, 2021 | Dec 31, 2020 |
| 10-K/A | 10-K/A | 0001289945-20-000037 | Apr 29, 2020 | Dec 31, 2019 |
| 10-K/A | USA MOBILITY FORM 10-K/A | 0000950133-06-002947 | Jun 13, 2006 | Dec 31, 2005 |
| 10-K/A | FORM 10-K/A | 0000950133-06-002694 | May 25, 2006 | Dec 31, 2004 |