MAMMOTH ENERGY SERVICES, INC. — DEFA14A Filings
9 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by MAMMOTH ENERGY SERVICES, INC. (TUSK), sorted by most recent first. Each row links to the full filing on EdgarLookup. MAMMOTH ENERGY SERVICES, INC. has filed 9 DEFA14A documents with the SEC since 2016. To view all SEC filings by MAMMOTH ENERGY SERVICES, INC., see the full filings list.
All
10-K
10-Q
144
3
4
424B4
424B5
5
8-A12B
8-K
8-K/A
ARS
CERTNAS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFM14C
DRS
EFFECT
PREM14C
S-1
S-1/A
S-3
S-3/A
S-8
SC 13D
SC 13G
SC 13G/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001679268-25-000023 | Apr 28, 2025 | — |
| DEFA14A | DEFA14A | 0001679268-24-000019 | Apr 29, 2024 | — |
| DEFA14A | DEFA14A | 0001679268-23-000021 | Apr 25, 2023 | — |
| DEFA14A | DEFA14A | 0001679268-22-000013 | May 2, 2022 | — |
| DEFA14A | DEFA14A | 0001679268-21-000015 | Apr 20, 2021 | — |
| DEFA14A | DEFA14A | 0001679268-20-000045 | Jun 16, 2020 | — |
| DEFA14A | DEFA14A | 0001679268-19-000012 | Apr 26, 2019 | — |
| DEFA14A | DEFA14A | 0001679268-18-000018 | Apr 25, 2018 | — |
| DEFA14A | DEFA14A | 0001679268-17-000017 | Apr 28, 2017 | — |