TUSK SEC Filings: 8-K, 10-Q, S-3 & 424B

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Oct 30, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 7, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 11, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Mar 6, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Oct 31, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 8, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Mammoth Energy Services Announces $58 Million Aviation Term Loan Facility with Bank7

Oct 30, 2026

8-K

Mammoth Energy Services Reports Third Quarter 2026 Results and Raises Full-Year Outlook

Oct 30, 2026

8-K

Mammoth Energy Services, Inc. Reports Second Quarter 2026 Financial and Operational Results

Aug 7, 2026

8-K

Mammoth Energy Services, Inc. Announces Results of 2026 Annual Meeting of Stockholders

Jun 26, 2026

8-K

Mammoth Energy Services, Inc. Announces Change of Independent Registered Public Accounting Firm

May 15, 2026

8-K

Mammoth Energy Services, Inc. Reports First Quarter 2026 Financial Results and Raises Full-Year Outlook

May 11, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B5

Common Stock

Jun 28, 2018

424B5

Common Stock

Jun 26, 2018

424B4

7,750,000 Shares

Oct 17, 2016

Registrations

TYPE

HEADLINE

FILED AT

S-3

SHELF | Offering amount: $500,000,000.00 EFFECTIVE

Jun 13, 2024

S-8

Common Stock

Jun 12, 2024

S-3

SHARE RESALE REGISTRATION | Shares amount: 24,109,858 | Share price: $4.07 | Offering amount: $500,000,000.00 EFFECTIVE

Jun 17, 2021

S-3/A

Common Stock

Jun 6, 2018

S-3

Common Stock

Nov 1, 2017

S-8

4,500,000

Apr 18, 2017

Proxies

TYPE

HEADLINE

FILED AT

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

May 15, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

May 15, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 28, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 28, 2025

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 29, 2024

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 29, 2024

Ownerships

TYPE

HEADLINE

FILED AT

Plaumann Mark Lawrence (Reporting)

Sep 17, 2026

Lancaster Phillip (Reporting)

Jul 1, 2026

SCHEDULE 13G

DAVIDSON CHARLES E (Filed by)

Jun 22, 2026

SCHEDULE 13G/A

WEXFORD CAPITAL LP (Filed by)

Jun 22, 2026

Jacobi Paul M. (Reporting)

Jun 22, 2026

Amron Arthur H (Reporting)

Jun 22, 2026

Other

TYPE

HEADLINE

FILED AT

EFFECT

Form EFFECT - Notice of Effectiveness

Jun 27, 2024

CORRESP

Form CORRESP - Correspondence

Jun 24, 2024

LETTER

Form UPLOAD - SEC-generated letter

Jun 21, 2024

EFFECT

Form EFFECT - Notice of Effectiveness

Jul 13, 2021

CORRESP

Form CORRESP - Correspondence

Jul 8, 2021

LETTER

Form UPLOAD - SEC-generated letter

Jun 25, 2021

Mammoth Energy Services, Inc. TUSK · SEC Filings