Workhorse Group Inc. — DEFA14A Filings
66 DEFA14A filings on record
This page lists all DEFA14A 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 66 DEFA14A 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 |
|---|---|---|---|---|
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-111819 | Nov 18, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-111817 | Nov 18, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-110544 | Nov 14, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-109718 | Nov 13, 2025 | — |
| DEFA14A | CURRENT REPORT | 0001213900-25-108849 | Nov 12, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-108493 | Nov 12, 2025 | — |
| DEFA14A | CURRENT REPORT | 0001213900-25-108341 | Nov 10, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-107868 | Nov 10, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-107377 | Nov 7, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-106846 | Nov 6, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-106845 | Nov 6, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-106844 | Nov 6, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-106096 | Nov 4, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-106093 | Nov 4, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-104755 | Oct 31, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-103784 | Oct 30, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-103783 | Oct 30, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-103782 | Oct 30, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-101420 | Oct 23, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-101419 | Oct 23, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-101417 | Oct 23, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-100152 | Oct 20, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-100151 | Oct 20, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-100148 | Oct 20, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-099330 | Oct 16, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-099329 | Oct 16, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-099328 | Oct 16, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-097827 | Oct 9, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-097417 | Oct 8, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-097416 | Oct 8, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-097415 | Oct 8, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-097413 | Oct 8, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-097414 | Oct 8, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-097412 | Oct 8, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-090598 | Sep 23, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-081890 | Aug 28, 2025 | — |
| DEFA14A | CURRENT REPORT | 0001213900-25-078178 | Aug 19, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-078029 | Aug 19, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-077610 | Aug 18, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-077608 | Aug 18, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-077148 | Aug 15, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-077147 | Aug 15, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-077145 | Aug 15, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-077144 | Aug 15, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-077143 | Aug 15, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-077142 | Aug 15, 2025 | — |
| DEFA14A | 8-K | 0001213900-24-025169 | Mar 22, 2024 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-23-070934 | Aug 25, 2023 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-23-070721 | Aug 25, 2023 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-23-069704 | Aug 22, 2023 | — |