Last 12 months
Inside the activity.
7 purchase rows · 0 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 1 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 2 | 0 |
| Jun 2026 | 3 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 1 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| September 16, 2026 Filed Sep 17, 2026 20:50 UTC |
Plaumann Mark LawrenceDirector
|
PurchaseCommon Stock | 5,000 | $3.00 | $15,000.00 |
DisclosureSEC source: 0001628280-26-062552 · wk-form4_1789678216.xml · nonDerivative · entry 1 Plaumann Mark Lawrence · CIK 0001290795 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,000 F1 · price: The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices within a range. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. F2 · balance_after: Of the shares reported herein, 2,100 shares are held in a Roth IRA and 2,900 shares are held in a traditional IRA, each for the benefit of the Reporting Person. Read SEC document |
| June 26, 2026 Filed Jul 1, 2026 20:56 UTC |
Lancaster PhillipDirector
|
OtherCommon Stock | 68,152 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-046597 · wk-form4_1782939403.xml · nonDerivative · entry 1 Lancaster Phillip · CIK 0001336012 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 159,445 F1 · kind: Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration. Read SEC document |
| June 17, 2026 Filed Jun 22, 2026 20:26 UTC |
WEXFORD CAPITAL LPDirector · Chief Business Officer · 10% owner
Wexford GP LLCDirector · Chief Business Officer · 10% owner
DAVIDSON CHARLES EDirector · Chief Business Officer · 10% owner
JACOBS JOSEPHDirector · Chief Business Officer · 10% owner
|
PurchaseCommon Stock | 4,019,574 | $2.60 | $10,468,176.57 |
DisclosureSEC source: 0001398344-26-011113 · fp0099446-1_4.xml · nonDerivative · entry 3 WEXFORD CAPITAL LP · CIK 0001048462 · Director · Chief Business Officer · 10% owner Wexford GP LLC · CIK 0001472112 · Director · Chief Business Officer · 10% owner DAVIDSON CHARLES E · CIK 0001001391 · Director · Chief Business Officer · 10% owner JACOBS JOSEPH · CIK 0001048485 · Director · Chief Business Officer · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See footnotes Disclosed balance after: 10,620,789 F3 · balance_after: Represents the common stock of the Issuer held in the aggregate by Wexford Spectrum Trading Limited ("WST"), Wexford Catalyst Trading Limited ("WCT") and Wexford Focused Trading Limited ("WFT", and together with WST and WCT, the "Wexford Entities"). F4 · ownership.nature: Wexford Capital may, by reason of its status as (i) sub-advisor of each of WST and WCT and (ii) investment manager of WFT be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC ("Wexford GP") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson ("Davidson") and Joseph M. Jacobs ("Jacobs", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the "Reporting Persons") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities. F5 · ownership.nature: Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein. The Reporting Persons may be deemed to be a director and officer of the Issuer by virtue of Paul Jacobi, an employee of Wexford Capital, serving as a director and officer of the Issuer. Read SEC document |
| June 17, 2026 Filed Jun 22, 2026 20:26 UTC |
WEXFORD CAPITAL LPDirector · Chief Business Officer · 10% owner
Wexford GP LLCDirector · Chief Business Officer · 10% owner
DAVIDSON CHARLES EDirector · Chief Business Officer · 10% owner
JACOBS JOSEPHDirector · Chief Business Officer · 10% owner
|
OtherCommon Stock | 6,354,667 | $0.00 | $0.00 |
DisclosureSEC source: 0001398344-26-011113 · fp0099446-1_4.xml · nonDerivative · entry 2 WEXFORD CAPITAL LP · CIK 0001048462 · Director · Chief Business Officer · 10% owner Wexford GP LLC · CIK 0001472112 · Director · Chief Business Officer · 10% owner DAVIDSON CHARLES E · CIK 0001001391 · Director · Chief Business Officer · 10% owner JACOBS JOSEPH · CIK 0001048485 · Director · Chief Business Officer · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See footnotes Disclosed balance after: 6,601,215 F2 · kind: Represents an in-kind distribution from MEH SUB that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration. F3 · balance_after: Represents the common stock of the Issuer held in the aggregate by Wexford Spectrum Trading Limited ("WST"), Wexford Catalyst Trading Limited ("WCT") and Wexford Focused Trading Limited ("WFT", and together with WST and WCT, the "Wexford Entities"). F4 · ownership.nature: Wexford Capital may, by reason of its status as (i) sub-advisor of each of WST and WCT and (ii) investment manager of WFT be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC ("Wexford GP") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson ("Davidson") and Joseph M. Jacobs ("Jacobs", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the "Reporting Persons") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities. F5 · ownership.nature: Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein. The Reporting Persons may be deemed to be a director and officer of the Issuer by virtue of Paul Jacobi, an employee of Wexford Capital, serving as a director and officer of the Issuer. Read SEC document |
| June 17, 2026 Filed Jun 22, 2026 20:26 UTC |
WEXFORD CAPITAL LPDirector · Chief Business Officer · 10% owner
Wexford GP LLCDirector · Chief Business Officer · 10% owner
DAVIDSON CHARLES EDirector · Chief Business Officer · 10% owner
JACOBS JOSEPHDirector · Chief Business Officer · 10% owner
|
OtherCommon Stock | 1,072,896 | $0.00 | $0.00 |
DisclosureSEC source: 0001398344-26-011113 · fp0099446-1_4.xml · nonDerivative · entry 1 WEXFORD CAPITAL LP · CIK 0001048462 · Director · Chief Business Officer · 10% owner Wexford GP LLC · CIK 0001472112 · Director · Chief Business Officer · 10% owner DAVIDSON CHARLES E · CIK 0001001391 · Director · Chief Business Officer · 10% owner JACOBS JOSEPH · CIK 0001048485 · Director · Chief Business Officer · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,451,034 F1 · kind: Represents an in-kind distribution from MEH SUB LLC ("MEH SUB"), an entity managed by Wexford Capital LP ("Wexford Capital"), as payment of fees and expenses owed to Wexford Capital related to its performance of investment management services. Read SEC document |
| June 17, 2026 Filed Jun 22, 2026 20:18 UTC |
DAVIDSON CHARLES E10% owner
CD Holding Company, LLC10% owner
|
OtherCommon Stock | 4,066,610 | $0.00 | $0.00 |
DisclosureSEC source: 0001398344-26-011108 · fp0099446-2_4.xml · nonDerivative · entry 2 DAVIDSON CHARLES E · CIK 0001001391 · 10% owner CD Holding Company, LLC · CIK 0002140020 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 4,066,610 F1 · kind: Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration. F2 · balance_after: Represents the common stock of the Issuer held by CD Holding Company, LLC ("CD Holdings"). F3 · ownership.nature: Charles E. Davidson may, by reason of his status as a controlling person of CD Holdings, be deemed to own beneficially the securities held by CD Holdings. Mr. Davidson holds the power to vote and to dispose of the securities held by CD Holdings. Read SEC document |
| June 17, 2026 Filed Jun 22, 2026 20:18 UTC |
DAVIDSON CHARLES E10% owner
CD Holding Company, LLC10% owner
|
OtherCommon Stock | 2,403,831 | $0.00 | $0.00 |
DisclosureSEC source: 0001398344-26-011108 · fp0099446-2_4.xml · nonDerivative · entry 1 DAVIDSON CHARLES E · CIK 0001001391 · 10% owner CD Holding Company, LLC · CIK 0002140020 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,403,831 F1 · kind: Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration. Read SEC document |
| June 17, 2026 Filed Jun 22, 2026 20:32 UTC |
Amron Arthur HDirector
Amron Holdings LLCDirector
|
OtherCommon Stock | 10,329 | $0.00 | $0.00 |
DisclosureSEC source: 0001398344-26-011116 · fp0099446-3_4.xml · nonDerivative · entry 2 Amron Arthur H · CIK 0001179697 · Director Amron Holdings LLC · CIK 0002139960 · Director Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See footnote Disclosed balance after: 10,329 F1 · kind: Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration. F2 · balance_after: Represents the common stock of the Issuer held by Amron Holdings LLC ("Amron Holdings"). F3 · ownership.nature: Arthur Amron may, by reason of his status as a controlling person of Amron Holdings, be deemed to own beneficially the securities held by Amron Holdings. Mr. Amron holds the power to vote and to dispose of the securities held by Amron Holdings. Read SEC document |
| June 17, 2026 Filed Jun 22, 2026 20:32 UTC |
Amron Arthur HDirector
Amron Holdings LLCDirector
|
OtherCommon Stock | 19,121 | $0.00 | $0.00 |
DisclosureSEC source: 0001398344-26-011116 · fp0099446-3_4.xml · nonDerivative · entry 1 Amron Arthur H · CIK 0001179697 · Director Amron Holdings LLC · CIK 0002139960 · Director Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 86,256 F1 · kind: Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration. Read SEC document |
| June 17, 2026 Filed Jun 22, 2026 20:42 UTC |
Jacobi Paul M.Director · Chief Business Officer
|
OtherCommon Stock | 3,211 | $0.00 | $0.00 |
DisclosureSEC source: 0001398344-26-011119 · fp0099446-4_4.xml · nonDerivative · entry 1 Jacobi Paul M. · CIK 0001477880 · Director · Chief Business Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 31,067 F1 · kind: Represents an in-kind distribution from MEH SUB LLC, an entity managed by Wexford Capital LP, that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration. Read SEC document |
| June 12, 2026 Filed Jun 15, 2026 20:28 UTC |
Amron Arthur HDirector
|
PurchaseCommon Stock | 2,000 | $3.28 | $6,560.00 |
DisclosureSEC source: 0001628280-26-043211 · wk-form4_1781555324.xml · nonDerivative · entry 2 Amron Arthur H · CIK 0001179697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 67,135 F1 · price: The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices within a range. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. Read SEC document |
| June 11, 2026 Filed Jun 15, 2026 20:28 UTC |
Amron Arthur HDirector
|
PurchaseCommon Stock | 2,500 | $3.22 | $8,049.75 |
DisclosureSEC source: 0001628280-26-043211 · wk-form4_1781555324.xml · nonDerivative · entry 1 Amron Arthur H · CIK 0001179697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 65,135 F1 · price: The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices within a range. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. Read SEC document |
| May 28, 2026 Filed May 28, 2026 20:34 UTC |
Amron Arthur HDirector
|
PurchaseCommon Stock | 3,000 | $3.25 | $9,750.00 |
DisclosureSEC source: 0001628280-26-038861 · wk-form4_1780000447.xml · nonDerivative · entry 2 Amron Arthur H · CIK 0001179697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 62,635 F1 · price: The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices within a range. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. Read SEC document |
| May 26, 2026 Filed May 28, 2026 20:34 UTC |
Amron Arthur HDirector
|
PurchaseCommon Stock | 2,500 | $3.24 | $8,099.75 |
DisclosureSEC source: 0001628280-26-038861 · wk-form4_1780000447.xml · nonDerivative · entry 1 Amron Arthur H · CIK 0001179697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 59,635 F1 · price: The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices within a range. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. Read SEC document |
| December 11, 2025 Filed Dec 15, 2025 22:04 UTC |
Amron Arthur HDirector
|
PurchaseCommon Stock | 10,000 | $1.89 | $18,900.00 |
DisclosureSEC source: 0001628280-25-057101 · wk-form4_1765836277.xml · nonDerivative · entry 1 Amron Arthur H · CIK 0001179697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 57,135 Read SEC document |
| May 22, 2025 Filed May 27, 2025 17:29 UTC |
SMITH ARTHUR LDirector
|
SaleCommon Stock | 20,000 | $2.51 | $50,200.00 |
DisclosureSEC source: 0001628280-25-027998 · wk-form4_1748381358.xml · nonDerivative · entry 1 SMITH ARTHUR L · CIK 0001034323 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 130,034 Read SEC document |
| May 20, 2025 Filed May 21, 2025 17:35 UTC |
SMITH ARTHUR LDirector
|
SaleCommon Stock | 50,000 | $2.51 | $125,500.00 |
DisclosureSEC source: 0001628280-25-027125 · wk-form4_1747863349.xml · nonDerivative · entry 2 SMITH ARTHUR L · CIK 0001034323 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 150,034 F1 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $2.47 per share to $2.55 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Read SEC document |
| May 19, 2025 Filed May 21, 2025 17:35 UTC |
SMITH ARTHUR LDirector
|
SaleCommon Stock | 15,000 | $2.49 | $37,350.00 |
DisclosureSEC source: 0001628280-25-027125 · wk-form4_1747863349.xml · nonDerivative · entry 1 SMITH ARTHUR L · CIK 0001034323 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 200,034 Read SEC document |
| December 12, 2024 Filed Dec 16, 2024 22:02 UTC |
Amron Arthur HDirector
|
PurchaseCommon Stock | 1,000 | $2.97 | $2,971.30 |
DisclosureSEC source: 0001679268-24-000092 · wk-form4_1734386524.xml · nonDerivative · entry 1 Amron Arthur H · CIK 0001179697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 47,135 Read SEC document |
| November 25, 2024 Filed Nov 26, 2024 23:04 UTC |
Booker Corey J.Director
|
SaleCommon Stock | 15,000 | $3.47 | $52,050.00 |
DisclosureSEC source: 0001679268-24-000090 · wk-form4_1732662275.xml · nonDerivative · entry 2 Booker Corey J. · CIK 0001821262 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 125,488 F2 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.46 per share to $3.47 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Read SEC document |
| November 22, 2024 Filed Nov 26, 2024 23:04 UTC |
Booker Corey J.Director
|
SaleCommon Stock | 10,000 | $3.43 | $34,300.00 |
DisclosureSEC source: 0001679268-24-000090 · wk-form4_1732662275.xml · nonDerivative · entry 1 Booker Corey J. · CIK 0001821262 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 140,488 F1 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.42 per share to $3.44 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Read SEC document |
| November 21, 2024 Filed Nov 22, 2024 21:03 UTC |
Booker Corey J.Director
|
SaleCommon Stock | 6,709 | $3.25 | $21,804.25 |
DisclosureSEC source: 0001679268-24-000088 · wk-form4_1732309417.xml · nonDerivative · entry 2 Booker Corey J. · CIK 0001821262 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 150,488 Read SEC document |
| November 20, 2024 Filed Nov 22, 2024 21:03 UTC |
Booker Corey J.Director
|
SaleCommon Stock | 5,000 | $3.21 | $16,050.00 |
DisclosureSEC source: 0001679268-24-000088 · wk-form4_1732309417.xml · nonDerivative · entry 1 Booker Corey J. · CIK 0001821262 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 157,197 Read SEC document |
| November 14, 2024 Filed Nov 15, 2024 21:01 UTC |
Booker Corey J.Director
|
SaleCommon Stock | 3,607 | $3.50 | $12,624.50 |
DisclosureSEC source: 0001679268-24-000086 · wk-form4_1731704497.xml · nonDerivative · entry 2 Booker Corey J. · CIK 0001821262 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 162,197 Read SEC document |
| November 13, 2024 Filed Nov 15, 2024 21:01 UTC |
Booker Corey J.Director
|
SaleCommon Stock | 7,100 | $3.68 | $26,099.60 |
DisclosureSEC source: 0001679268-24-000086 · wk-form4_1731704497.xml · nonDerivative · entry 1 Booker Corey J. · CIK 0001821262 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 165,804 F1 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.66 per share to $3.71 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Read SEC document |
| November 11, 2024 Filed Nov 12, 2024 23:09 UTC |
Booker Corey J.Director
|
SaleCommon Stock | 3,494 | $3.61 | $12,613.34 |
DisclosureSEC source: 0001679268-24-000084 · wk-form4_1731452973.xml · nonDerivative · entry 3 Booker Corey J. · CIK 0001821262 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 172,904 Read SEC document |
| November 08, 2024 Filed Nov 12, 2024 23:09 UTC |
Booker Corey J.Director
|
SaleCommon Stock | 24 | $3.76 | $90.24 |
DisclosureSEC source: 0001679268-24-000084 · wk-form4_1731452973.xml · nonDerivative · entry 2 Booker Corey J. · CIK 0001821262 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 176,398 Read SEC document |
| November 07, 2024 Filed Nov 12, 2024 23:09 UTC |
Booker Corey J.Director
|
SaleCommon Stock | 165 | $3.90 | $643.50 |
DisclosureSEC source: 0001679268-24-000084 · wk-form4_1731452973.xml · nonDerivative · entry 1 Booker Corey J. · CIK 0001821262 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 176,422 F1 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.89 per share to $3.91 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Read SEC document |
| June 12, 2024 Filed Jun 14, 2024 16:23 UTC |
SMITH ARTHUR LDirector
|
GrantCommon Stock | 27,856 | $0.00 | $0.00 |
DisclosureSEC source: 0001679268-24-000046 · wk-form4_1718396605.xml · nonDerivative · entry 1 SMITH ARTHUR L · CIK 0001034323 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 215,034 F1 · shares: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. Read SEC document |
| June 12, 2024 Filed Jun 14, 2024 20:20 UTC |
Amron Arthur HDirector
|
GrantCommon Stock | 27,856 | $0.00 | $0.00 |
DisclosureSEC source: 0001679268-24-000042 · wk-form4_1718396403.xml · nonDerivative · entry 1 Amron Arthur H · CIK 0001179697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 46,135 F1 · shares: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. Read SEC document |
| June 12, 2024 Filed Jun 14, 2024 20:21 UTC |
Jacobi Paul M.Director
|
GrantCommon Stock | 27,856 | $0.00 | $0.00 |
DisclosureSEC source: 0001679268-24-000044 · wk-form4_1718396500.xml · nonDerivative · entry 1 Jacobi Paul M. · CIK 0001477880 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,856 F1 · shares: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein. F1 · balance_after: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein. Read SEC document |
| June 12, 2024 Filed Jun 14, 2024 16:25 UTC |
Palm James DDirector
|
GrantCommon Stock | 27,856 | $0.00 | $0.00 |
DisclosureSEC source: 0001679268-24-000048 · wk-form4_1718396710.xml · nonDerivative · entry 1 Palm James D · CIK 0001346557 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 240,144 F1 · shares: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. Read SEC document |
| June 12, 2024 Filed Jun 14, 2024 20:27 UTC |
Booker Corey J.Director
|
GrantCommon Stock | 27,856 | $0.00 | $0.00 |
DisclosureSEC source: 0001679268-24-000050 · wk-form4_1718396818.xml · nonDerivative · entry 1 Booker Corey J. · CIK 0001821262 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 176,587 F1 · shares: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 12, 2025 and the date of the issuer's 2025 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. Read SEC document |
| May 30, 2024 Filed May 30, 2024 20:25 UTC |
Amron Arthur HDirector
|
PurchaseCommon Stock | 3,000 | $3.65 | $10,944.30 |
DisclosureSEC source: 0001679268-24-000028 · wk-form4_1717100189.xml · nonDerivative · entry 2 Amron Arthur H · CIK 0001179697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 18,279 F2 · price: The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $3.615 per share to $3.6799 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc. any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. Read SEC document |
| May 28, 2024 Filed May 30, 2024 20:25 UTC |
Amron Arthur HDirector
|
PurchaseCommon Stock | 2,000 | $3.57 | $7,148.00 |
DisclosureSEC source: 0001679268-24-000028 · wk-form4_1717100189.xml · nonDerivative · entry 1 Amron Arthur H · CIK 0001179697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,279 F1 · price: The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $3.5499 per share to $3.6098 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc. any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. Read SEC document |
| March 12, 2024 Filed Mar 14, 2024 20:22 UTC |
WEXFORD CAPITAL LPDirector · 10% owner
Wexford GP LLCDirector · 10% owner
DAVIDSON CHARLES EDirector · 10% owner
JACOBS JOSEPHDirector · 10% owner
|
OtherCommon Stock | 535,366 | $0.00 | $0.00 |
DisclosureSEC source: 0001048462-24-000010 · form4.xml · nonDerivative · entry 1 WEXFORD CAPITAL LP · CIK 0001048462 · Director · 10% owner Wexford GP LLC · CIK 0001472112 · Director · 10% owner DAVIDSON CHARLES E · CIK 0001001391 · Director · 10% owner JACOBS JOSEPH · CIK 0001048485 · Director · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · See footnotes Disclosed balance after: 21,690,075 F1 · kind: Represents a pro rata, in-kind distribution by MEH SUB LLC ("MEH") to a member of MEH that does not involve (i) a purchase or a sale of securities or (ii) any additional consideration. F2 · balance_after: Represents the common stock of the Issuer held in the aggregate by Wexford Spectrum Trading Limited ("WST"), Wexford Catalyst Trading Limited ("WCT"), Wexford Focused Trading Limited ("WFT") and MEH (together with WST, WCT and WFT, the "Wexford Entities"). F3 · ownership.nature: Wexford Capital LP ("Wexford Capital") may, by reason of its status as (i) sub-advisor of each of WST and WCT, (ii) investment manager of WFT and (iii) manager of MEH, be deemed to own beneficially the securities held by the Wexford Entities. Wexford GP LLC ("Wexford GP") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities held by the Wexford Entities. Each of Charles E. Davidson ("Davidson") and Joseph M. Jacobs ("Jacobs", and together with the Wexford Entities, Wexford Capital, Wexford GP and Davidson, the "Reporting Persons") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities held by the Wexford Entities. F4 · ownership.nature: Each of Wexford Capital, Wexford GP, Davidson and Jacobs share the power to vote and to dispose of the securities held by the Wexford Entities. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaim beneficial ownership of the securities held by the Wexford Entities and this report shall not be deemed as an admission that they are the beneficial owners of such securities, except to the extent of any pecuniary interests therein. The Reporting Persons may be deemed to be directors by deputization by virtue of Paul Jacobi, an employee of Wexford Capital, serving as a director of the Issuer. Read SEC document |
| March 12, 2024 Filed Mar 14, 2024 20:11 UTC |
Amron Arthur HDirector
|
PurchaseCommon Stock | 3,000 | $3.72 | $11,157.00 |
DisclosureSEC source: 0001679268-24-000010 · wk-form4_1710447093.xml · nonDerivative · entry 2 Amron Arthur H · CIK 0001179697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,279 F2 · price: The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $3.71 per share to $3.725 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc. any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. Read SEC document |
| December 19, 2023 Filed Dec 19, 2023 18:37 UTC |
Straehla ArtyDirector · Chief Executive Officer
|
SaleCommon Stock | 40,000 | $4.35 | $174,160.00 |
DisclosureSEC source: 0001679268-23-000067 · wk-form4_1703029045.xml · nonDerivative · entry 2 Straehla Arty · CIK 0001450919 · Director · Chief Executive Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,012,107 F1 · shares: These shares were sold by the reporting person for tax purposes. F3 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.23 per share to $4.50 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Read SEC document |
| December 18, 2023 Filed Dec 19, 2023 18:37 UTC |
Straehla ArtyDirector · Chief Executive Officer
|
SaleCommon Stock | 30,000 | $4.38 | $131,280.00 |
DisclosureSEC source: 0001679268-23-000067 · wk-form4_1703029045.xml · nonDerivative · entry 1 Straehla Arty · CIK 0001450919 · Director · Chief Executive Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,052,107 F1 · shares: These shares were sold by the reporting person for tax purposes. F2 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.24 per share to $4.46 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Read SEC document |
| December 15, 2023 Filed Dec 15, 2023 17:21 UTC |
Straehla ArtyDirector · Chief Executive Officer
|
SaleCommon Stock | 40,000 | $4.36 | $174,440.00 |
DisclosureSEC source: 0001679268-23-000065 · wk-form4_1702678893.xml · nonDerivative · entry 3 Straehla Arty · CIK 0001450919 · Director · Chief Executive Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,082,107 F1 · shares: These shares were sold by the reporting person for tax purposes. F4 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.30 per share to $4.63 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Read SEC document |
| December 14, 2023 Filed Dec 15, 2023 17:21 UTC |
Straehla ArtyDirector · Chief Executive Officer
|
SaleCommon Stock | 55,000 | $4.44 | $244,145.00 |
DisclosureSEC source: 0001679268-23-000065 · wk-form4_1702678893.xml · nonDerivative · entry 2 Straehla Arty · CIK 0001450919 · Director · Chief Executive Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,122,107 F1 · shares: These shares were sold by the reporting person for tax purposes. F3 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.29 per share to $4.64 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Read SEC document |
| December 13, 2023 Filed Dec 15, 2023 17:21 UTC |
Straehla ArtyDirector · Chief Executive Officer
|
SaleCommon Stock | 25,000 | $4.39 | $109,650.00 |
DisclosureSEC source: 0001679268-23-000065 · wk-form4_1702678893.xml · nonDerivative · entry 1 Straehla Arty · CIK 0001450919 · Director · Chief Executive Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,177,107 F1 · shares: These shares were sold by the reporting person for tax purposes. F2 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.28 per share to $4.52 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Read SEC document |
| June 07, 2023 Filed Jun 8, 2023 17:03 UTC |
SMITH ARTHUR LDirector
|
GrantCommon Stock | 23,810 | $0.00 | $0.00 |
DisclosureSEC source: 0001679268-23-000037 · wk-form4_1686258187.xml · nonDerivative · entry 1 SMITH ARTHUR L · CIK 0001034323 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 187,178 F1 · shares: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. Read SEC document |
| June 07, 2023 Filed Jun 8, 2023 21:06 UTC |
Amron Arthur HDirector
|
GrantCommon Stock | 23,810 | $0.00 | $0.00 |
DisclosureSEC source: 0001679268-23-000042 · wk-form4_1686258365.xml · nonDerivative · entry 1 Amron Arthur H · CIK 0001179697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 23,810 F1 · shares: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein. F1 · balance_after: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Amron's employment with Wexford Capital LP. As a result, Mr. Amron disclaims any interest in these restricted stock units, except for his pecuniary interest therein. Read SEC document |
| June 07, 2023 Filed Jun 8, 2023 21:05 UTC |
Jacobi Paul M.Director
|
GrantCommon Stock | 23,810 | $0.00 | $0.00 |
DisclosureSEC source: 0001679268-23-000041 · wk-form4_1686258324.xml · nonDerivative · entry 1 Jacobi Paul M. · CIK 0001477880 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 23,810 F1 · shares: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein. F1 · balance_after: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units have been assigned to Wexford Capital LP under the terms of Mr. Jacobi's employment with Wexford Capital LP. As a result, Mr. Jacobi disclaims any interest in these restricted stock units, except for his pecuniary interest therein. Read SEC document |
| June 07, 2023 Filed Jun 8, 2023 17:03 UTC |
Palm James DDirector
|
GrantCommon Stock | 23,810 | $0.00 | $0.00 |
DisclosureSEC source: 0001679268-23-000038 · wk-form4_1686258215.xml · nonDerivative · entry 1 Palm James D · CIK 0001346557 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 212,288 F1 · shares: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. Read SEC document |
| June 07, 2023 Filed Jun 8, 2023 21:04 UTC |
Booker Corey J.Director
|
GrantCommon Stock | 23,810 | $0.00 | $0.00 |
DisclosureSEC source: 0001679268-23-000039 · wk-form4_1686258275.xml · nonDerivative · entry 1 Booker Corey J. · CIK 0001821262 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 148,731 F1 · shares: These securities are restricted stock units that were granted under the issuer's equity incentive plan, representing an annual non-employee director grant. These securities will vest on the earlier of June 7, 2024 and the date of the issuer's 2024 Annual Meeting of Stockholders. Each restricted stock unit represents a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. Read SEC document |
| March 03, 2023 Filed Mar 7, 2023 16:01 UTC |
Layton Mark E.CFO and Secretary
|
Tax withholdingCommon Stock | 36,375 | $5.55 | $201,881.25 |
DisclosureSEC source: 0001679268-23-000009 · wf-form4_167822288769040.xml · nonDerivative · entry 1 Layton Mark E. · CIK 0001687210 · CFO and Secretary 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 418,985 F1 · shares: These shares were withheld by the Company to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan. The number of shares withheld by the Company was determined based on the closing price per share of the Company's common stock on March 3, 2023, the vesting date. F1 · price: These shares were withheld by the Company to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan. The number of shares withheld by the Company was determined based on the closing price per share of the Company's common stock on March 3, 2023, the vesting date. Read SEC document |
| March 03, 2023 Filed Mar 7, 2023 16:03 UTC |
Straehla ArtyDirector · Chief Executive Officer
|
Tax withholdingCommon Stock | 129,220 | $5.55 | $717,171.00 |
DisclosureSEC source: 0001679268-23-000010 · wf-form4_167822297562343.xml · nonDerivative · entry 1 Straehla Arty · CIK 0001450919 · Director · Chief Executive Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,202,107 F1 · shares: These shares were withheld by the Company to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan. The number of shares withheld by the Company was determined based on the closing price per share of the Company's common stock on March 3, 2023, the vesting date. F1 · price: These shares were withheld by the Company to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units previously granted under the issuer's equity incentive plan. The number of shares withheld by the Company was determined based on the closing price per share of the Company's common stock on March 3, 2023, the vesting date. Read SEC document |
| November 11, 2022 Filed Nov 14, 2022 16:23 UTC |
SMITH ARTHUR LDirector
|
SaleCommon Stock | 20,000 | $7.07 | $141,324.00 |
DisclosureSEC source: 0001679268-22-000047 · wf-form4_166846091006923.xml · nonDerivative · entry 1 SMITH ARTHUR L · CIK 0001034323 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 163,368 F1 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $7.06 to $7.16 per share, inclusive. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.