Workhorse Group Inc. — 8-K/A Filings
43 8-K/A filings on record
This page lists all 8-K/A filings submitted to the SEC by Workhorse Group Inc. (WKHS), sorted by most recent first. Each row links to the full filing on EdgarLookup. Workhorse Group Inc. has filed 43 8-K/A documents with the SEC since 2011. To view all SEC filings by Workhorse Group Inc., see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
305B2
4
4/A
424B3
424B4
424B5
425
5
8-A12B
8-A12G
8-K
8-K/A
ARS
CERTNAS
CORRESP
CT ORDER
D
D/A
DEF 14A
DEF 14C
DEFA14A
DEFM14A
EFFECT
NT 10-K
NT 10-Q
PRE 14A
PRE 14C
PREM14A
PRER14A
RW
S-1
S-1/A
S-3
S-3/A
S-8
SB-2
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14F1
SCHEDULE 13D
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K/A | AMENDMENT NO. 2 TO FORM 8-K | 0001213900-26-033661 | Mar 24, 2026 | Dec 15, 2025 |
| 8-K/A | AMENDMENT NO. 1 TO FORM 8-K | 0001213900-26-020513 | Feb 26, 2026 | Dec 15, 2025 |
| 8-K/A | 8-K/A | 0001628280-19-015316 | Dec 27, 2019 | Nov 27, 2019 |
| 8-K/A | CURRENT REPORT | 0001213900-19-002879 | Feb 20, 2019 | Feb 11, 2019 |
| 8-K/A | FORM 8-K/A | 0001013762-15-001175 | Dec 16, 2015 | Nov 9, 2015 |
| 8-K/A | FORM 8-K/A | 0001013762-15-001161 | Dec 7, 2015 | Nov 9, 2015 |
| 8-K/A | AMENDMENT TO FORM 8-K FOR AMP HOLDING INC. | 0001013762-15-000322 | Apr 8, 2015 | Feb 26, 2015 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-15-000314 | Apr 6, 2015 | Feb 26, 2015 |
| 8-K/A | FORM 8-K | 0001013762-15-000243 | Mar 25, 2015 | Feb 26, 2015 |
| 8-K/A | AMENDMENT TO CURRENT REPORT | 0001013762-15-000108 | Feb 4, 2015 | Jan 16, 2015 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-15-000062 | Jan 21, 2015 | Jan 16, 2015 |
| 8-K/A | AMP HOLDING, INC. FORM 8-K/A | 0001013762-15-000004 | Jan 5, 2015 | Dec 8, 2014 |
| 8-K/A | AMP HOLDING FORM 8-K/A | 0001013762-14-000296 | Mar 27, 2014 | Mar 18, 2014 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-13-000880 | Jul 2, 2013 | May 29, 2013 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-12-001253 | May 29, 2012 | Jan 6, 2012 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-12-000462 | Mar 13, 2012 | Feb 23, 2012 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-12-000015 | Jan 4, 2012 | May 10, 2011 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-11-003166 | Nov 23, 2011 | May 10, 2011 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-11-002830 | Oct 31, 2011 | May 10, 2011 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-11-002540 | Sep 21, 2011 | May 10, 2011 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-11-001848 | Jun 30, 2011 | May 10, 2011 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-11-001594 | May 26, 2011 | May 10, 2011 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-11-001081 | Apr 18, 2011 | Dec 3, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-11-000911 | Apr 4, 2011 | Dec 3, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-11-000665 | Mar 21, 2011 | Dec 3, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 8-K | 0001013762-11-000531 | Mar 7, 2011 | Dec 3, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-11-000446 | Feb 22, 2011 | Dec 3, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-11-000221 | Jan 31, 2011 | Dec 3, 2010 |
| 8-K/A | AMP HOLDINGS FORM 8-K | 0001013762-11-000006 | Jan 3, 2011 | Dec 31, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-10-002515 | Oct 27, 2010 | Mar 15, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-10-002337 | Sep 27, 2010 | Mar 15, 2010 |
| 8-K/A | AMP HOLDING FORM 8-K/A | 0001013762-10-002289 | Sep 17, 2010 | Mar 15, 2010 |
| 8-K/A | AMP HOLDING FORM 8-K/A | 0001013762-10-002129 | Aug 30, 2010 | Mar 15, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-10-001910 | Aug 16, 2010 | Mar 15, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-10-001696 | Jul 27, 2010 | Mar 15, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-10-001638 | Jul 19, 2010 | Mar 15, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 8-K/A | 0001013762-10-001588 | Jul 13, 2010 | Mar 15, 2010 |
| 8-K/A | AMP HOLDING INC. FORM 10-Q | 0001013762-10-001340 | Jun 2, 2010 | Mar 15, 2010 |
| 8-K/A | FORM 8K/A | 0001013762-10-001299 | May 25, 2010 | Mar 15, 2010 |
| 8-K/A | TITLE STARTS ONLINE, INC. FORM 8-K | 0001013762-10-001067 | May 10, 2010 | Mar 15, 2010 |
| 8-K/A | TITLE STARTS ONLINE, INC. FORM 8-K/A | 0001013762-10-000968 | Apr 30, 2010 | Mar 15, 2010 |
| 8-K/A | TITLE STARTS ONLINE, INC. FORM 8-K/A | 0001013762-10-000920 | Apr 22, 2010 | Mar 15, 2010 |
| 8-K/A | TITLE STARTS ONLINE, INC. FORM 8-K/A | 0001013762-10-000775 | Apr 12, 2010 | Mar 15, 2010 |