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Home › Companies › MAMMOTH ENERGY SERVICES INC. › 2023-2024

MAMMOTH ENERGY SERVICES INC. 2023-2024 Proxy Voting Records

At MAMMOTH ENERGY SERVICES INC.'s shareholder meeting held June 12, 2024, in the 2023-2024 proxy season, 87 asset managers reported how they voted on 9 ballot items in their SEC Form N-PX filings, covering 947 separate fund positions. On the most widely held item on that ballot — To approve, on an advisory basis, the Company's executive compensation — MAMMOTH ENERGY SERVICES INC.'s filing reports the proposal as approved, with 99.3% support of the votes cast (FOR divided by FOR plus AGAINST, the conventional basis for proxy support; abstentions, broker non-votes and unvoted shares are excluded because none of them took a side). Source: MAMMOTH ENERGY SERVICES INC.'s Form 8-K, Item 5.07, filed with the U.S. Securities and Exchange Commission on June 14, 2024.

Download data (CSV): ballot items · votes by manager · column guide.

Compiled from SEC Form N-PX filings and MAMMOTH ENERGY SERVICES INC.’s Form 8-K, filed June 14, 2024 (Item 5.07 on EDGAR). Page generated November 8, 2026.

  • 9Ballot items
  • 87Asset managers
  • 947Fund votes
  • June 12, 2024Meeting date

Results at a glance

Meeting of June 12, 2024: 9 items on MAMMOTH ENERGY SERVICES INC.’s Form 8-K, filed June 14, 2024: 5 elected · 3 approved · 1 without a stated outcome.

Material dissent

Material dissent: a director nominee under 80% of the votes cast, say-on-pay under 70%, any other item the board put forward under 80%, or a shareholder proposal with more than 50%, on the company’s own Form 8-K tally. How this is decided

Proxy season: 2023-2024 2024-2025 2025-2026

Explore MAMMOTH ENERGY SERVICES INC. in the interactive database Compare manager voting policies

Official 2023-2024 meeting results reported by MAMMOTH ENERGY SERVICES INC.

These tallies are MAMMOTH ENERGY SERVICES INC.’s own, as disclosed to the U.S. Securities and Exchange Commission on Form 8-K, filed June 14, 2024 (Item 5.07, “Submission of Matters to a Vote of Security Holders”). They cover every share voted at the meeting, not just the funds that file Form N-PX.

MAMMOTH ENERGY SERVICES INC. — official shareholder meeting results, meeting held June 12, 2024
Ballot itemForAgainst AbstainWithheldBroker non-votesSupport (of votes cast)Reported outcomeVoting standard
Elect Director: Arthur Amron 35,761,287559,90611,751 --7,340,985 98%Not verified—
Elect Director: Corey Booker 36,169,290151,50412,150 --7,340,985 99.5%Elected—
Elect Director: Paul Jacobi 34,259,5952,062,23211,117 --7,340,985 94%Elected—
Elect Director: James Palm 28,084,7538,237,07411,117 --7,340,985 77%Elected—
Elect Director: Arthur Smith 34,235,0382,086,78511,121 --7,340,985 94%Elected—
Elect Director: Arty Straehla 36,157,042158,04817,854 --7,340,985 99.5%Elected—
2. The compensation paid to the Company's named executive officers 36,074,641235,27923,024 --7,340,985 99.3%Approved—
3. Company's 2024 Equity Incentive Plan 36,099,634210,50322,807 --7,340,985 99.4%Approved—
4. Appointment of Grant Thornton LLP as the Company's independent auditors for the fiscal year ending December 31, 2024 43,498,477163,33412,118 ---- 99.6%Approved—

Source: MAMMOTH ENERGY SERVICES INC., Form 8-K, filed with the SEC on June 14, 2024 — read the filing on EDGAR.

How asset managers voted at the MAMMOTH ENERGY SERVICES INC. 2023-2024 meeting

Each item below shows how the 87 asset managers that disclosed a MAMMOTH ENERGY SERVICES INC. vote in their SEC Form N-PX filings actually voted. Share totals are the shares those managers' funds voted, summed across every fund they report.

1. Elect Director: Arthur Amron

Outcome not verifiedFund totals may overlapDIRECTOR ELECTIONSReported outcome: Not verified

Combines 4 wordings of this item as funds reported it.

98% Majority: yes · of votes cast

FOR 98%
FOR: 35,761,287AGAINST: 559,906
Details: description as filed, official tally, votes by 40 asset managers

Description as filed by funds: Election of Directors: Arthur Amron

MAMMOTH ENERGY SERVICES INC.’s own tally for this item (“Elect Director: Arthur Amron”): 35,761,287 for, 559,906 against, per its Form 8-K filed June 14, 2024 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: not verified — the filing’s own statement of the outcome could not be identified for this item.
Support: 98% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports: 39 asset managers voting on “Election of Directors: Arthur Amron” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Royce762,3420 00For
Vanguard756,5270 00For
BlackRock732,1830 00For
World Funds Trust508,7030 00For
Dimensional476,5080 00For
Fidelity447,5920 00For
BRIDGEWAY FUNDS INC310,0000 00For
EA Series Trust74,3530 00For
First Trust65,7840 00For
Charles Schwab63,9810 00For
QUANTITATIVE MASTER SERIES LLC45,2510 00For
Equitable35,6860 00For
TIAA32,1420 00For
WisdomTree29,0700 00For
Lincoln Financial6,11621,300 00Mixed
RBC FUNDS TRUST20,3000 00For
T. Rowe Price19,5580 00For
Global X15,0160 00For
Jackson National13,3930 00For
Bridge Builder Trust12,4630 00For
AIG/SunAmerica11,4820 00For
State Street09,572 00Against
Pacific Life8,5350 00For
Nationwide6,8640 00For
Victory Capital6,0020 00For

Fund voting reports, all 39 managers: 4,482,008 for, 31,872 against. Showing the 25 largest; every one is in the interactive database (link above).

Institutional-manager reports: 1 asset manager voting on “Election of Directors: Arthur Amron” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Kanen Wealth Management LLC1,358,1390 00For

Institutional-manager reports, all 1 managers: 1,358,139 for.

2. Elect Director: Arthur Smith

Official resultFund totals may overlapDIRECTOR ELECTIONSReported outcome: Elected

Combines 4 wordings of this item as funds reported it.

94% Majority: yes · of votes cast

FOR 94%
FOR: 34,235,038AGAINST: 2,086,785
Details: description as filed, official tally, votes by 40 asset managers

Description as filed by funds: Election of Directors: Arthur Smith

MAMMOTH ENERGY SERVICES INC.’s own tally for this item (“Elect Director: Arthur Smith”): 34,235,038 for, 2,086,785 against, per its Form 8-K filed June 14, 2024 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “Proposal 1 Arthur Amron, Corey Booker, Paul Jacobi, James Palm, Arthur Smith and Arty Straehla were elected to continue to serve as the Company's directors until the 2025 Annual Meeting of Stockholders and until their respective successors are elected and qualified, or until their earlier death, re…”
Support: 94% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports: 39 asset managers voting on “Election of Directors: Arthur Smith” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Royce762,3420 00For
Vanguard756,5270 00For
BlackRock0732,183 00Against
World Funds Trust508,7030 00For
Dimensional476,5080 00For
Fidelity447,5920 00For
BRIDGEWAY FUNDS INC0310,000 00Against
EA Series Trust074,353 00Against
First Trust65,7840 00For
Charles Schwab063,981 00Against
QUANTITATIVE MASTER SERIES LLC045,251 00Against
Equitable2,05033,636 00Mixed
TIAA032,142 00Against
WisdomTree29,0700 00For
Lincoln Financial27,4160 00For
RBC FUNDS TRUST020,300 00Against
T. Rowe Price19,5580 00For
Global X015,016 00Against
Jackson National13,3930 00For
Bridge Builder Trust012,463 00Against
AIG/SunAmerica11,4820 00For
State Street9,5720 00For
Pacific Life08,535 00Against
Nationwide6,8640 00For
Victory Capital6,0020 00For

Fund voting reports, all 39 managers: 3,162,800 for, 1,351,080 against. Showing the 25 largest; every one is in the interactive database (link above).

Institutional-manager reports: 1 asset manager voting on “Election of Directors: Arthur Smith” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Kanen Wealth Management LLC1,358,1390 00For

Institutional-manager reports, all 1 managers: 1,358,139 for.

3. Elect Director: Arty Straehla

Official resultFund totals may overlapDIRECTOR ELECTIONSReported outcome: Elected

Combines 4 wordings of this item as funds reported it.

99.5% Majority: yes · of votes cast

FOR 99.5%
FOR: 36,157,042AGAINST: 158,048
Details: description as filed, official tally, votes by 40 asset managers

Description as filed by funds: Election of Directors: Arty Straehla

MAMMOTH ENERGY SERVICES INC.’s own tally for this item (“Elect Director: Arty Straehla”): 36,157,042 for, 158,048 against, per its Form 8-K filed June 14, 2024 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “Proposal 1 Arthur Amron, Corey Booker, Paul Jacobi, James Palm, Arthur Smith and Arty Straehla were elected to continue to serve as the Company's directors until the 2025 Annual Meeting of Stockholders and until their respective successors are elected and qualified, or until their earlier death, re…”
Support: 99.5% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports: 39 asset managers voting on “Election of Directors: Arty Straehla” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Royce762,3420 00For
Vanguard756,5270 00For
BlackRock732,1830 00For
World Funds Trust508,7030 00For
Dimensional476,5080 00For
Fidelity447,5920 00For
BRIDGEWAY FUNDS INC310,0000 00For
EA Series Trust74,3530 00For
First Trust65,7840 00For
Charles Schwab63,9810 00For
QUANTITATIVE MASTER SERIES LLC45,2510 00For
Equitable35,6860 00For
TIAA32,1420 00For
WisdomTree29,0700 00For
Lincoln Financial27,4160 00For
RBC FUNDS TRUST20,3000 00For
T. Rowe Price19,5580 00For
Global X15,0160 00For
Jackson National13,3930 00For
Bridge Builder Trust12,4630 00For
AIG/SunAmerica11,4820 00For
State Street9,5720 00For
Pacific Life8,5350 00For
Nationwide6,8640 00For
Victory Capital6,0020 00For

Fund voting reports, all 39 managers: 4,513,880 for. Showing the 25 largest; every one is in the interactive database (link above).

Institutional-manager reports: 1 asset manager voting on “Election of Directors: Arty Straehla” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Kanen Wealth Management LLC1,358,1390 00For

Institutional-manager reports, all 1 managers: 1,358,139 for.

4. Elect Director: Corey Booker

Official resultFund totals may overlapDIRECTOR ELECTIONSReported outcome: Elected

Combines 4 wordings of this item as funds reported it.

99.5% Majority: yes · of votes cast

FOR 99.5%
FOR: 36,169,290AGAINST: 151,504
Details: description as filed, official tally, votes by 40 asset managers

Description as filed by funds: Election of Directors: Corey Booker

MAMMOTH ENERGY SERVICES INC.’s own tally for this item (“Elect Director: Corey Booker”): 36,169,290 for, 151,504 against, per its Form 8-K filed June 14, 2024 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “Proposal 1 Arthur Amron, Corey Booker, Paul Jacobi, James Palm, Arthur Smith and Arty Straehla were elected to continue to serve as the Company's directors until the 2025 Annual Meeting of Stockholders and until their respective successors are elected and qualified, or until their earlier death, re…”
Support: 99.5% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports: 39 asset managers voting on “Election of Directors: Corey Booker” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Royce762,3420 00For
Vanguard756,5270 00For
BlackRock732,1830 00For
World Funds Trust508,7030 00For
Dimensional476,5080 00For
Fidelity447,5920 00For
BRIDGEWAY FUNDS INC310,0000 00For
EA Series Trust74,3530 00For
First Trust65,7840 00For
Charles Schwab63,9810 00For
QUANTITATIVE MASTER SERIES LLC45,2510 00For
Equitable35,6860 00For
TIAA32,1420 00For
WisdomTree29,0700 00For
Lincoln Financial27,4160 00For
RBC FUNDS TRUST20,3000 00For
T. Rowe Price19,5580 00For
Global X15,0160 00For
Jackson National13,3930 00For
Bridge Builder Trust12,4630 00For
AIG/SunAmerica11,4820 00For
State Street9,5720 00For
Pacific Life8,5350 00For
Nationwide6,8640 00For
Victory Capital6,0020 00For

Fund voting reports, all 39 managers: 4,513,880 for. Showing the 25 largest; every one is in the interactive database (link above).

Institutional-manager reports: 1 asset manager voting on “Election of Directors: Corey Booker” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Kanen Wealth Management LLC1,358,1390 00For

Institutional-manager reports, all 1 managers: 1,358,139 for.

5. Elect Director: James Palm

Official resultFund totals may overlapDIRECTOR ELECTIONSReported outcome: Elected

Combines 4 wordings of this item as funds reported it.

77% Majority: yes · of votes cast

FOR 77%AGAINST
FOR: 28,084,753AGAINST: 8,237,074
Details: description as filed, official tally, votes by 40 asset managers

Description as filed by funds: Election of Directors: James Palm

MAMMOTH ENERGY SERVICES INC.’s own tally for this item (“Elect Director: James Palm”): 28,084,753 for, 8,237,074 against, per its Form 8-K filed June 14, 2024 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “Proposal 1 Arthur Amron, Corey Booker, Paul Jacobi, James Palm, Arthur Smith and Arty Straehla were elected to continue to serve as the Company's directors until the 2025 Annual Meeting of Stockholders and until their respective successors are elected and qualified, or until their earlier death, re…”
Support: 77% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports: 39 asset managers voting on “Election of Directors: James Palm” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Royce762,3420 00For
Vanguard0756,527 00Against
BlackRock0732,183 00Against
World Funds Trust508,7030 00For
Dimensional476,5080 00For
Fidelity0447,592 00Against
BRIDGEWAY FUNDS INC0310,000 00Against
EA Series Trust074,353 00Against
First Trust65,7840 00For
Charles Schwab063,981 00Against
QUANTITATIVE MASTER SERIES LLC045,251 00Against
Equitable035,686 00Against
TIAA032,142 00Against
WisdomTree029,070 00Against
Lincoln Financial6,11621,300 00Mixed
RBC FUNDS TRUST020,300 00Against
T. Rowe Price019,558 00Against
Global X015,016 00Against
Jackson National13,3930 00For
Bridge Builder Trust012,463 00Against
AIG/SunAmerica011,482 00Against
State Street09,572 00Against
Pacific Life08,535 00Against
Nationwide06,864 00Against
Victory Capital06,002 00Against

Fund voting reports, all 39 managers: 1,838,920 for, 2,674,960 against. Showing the 25 largest; every one is in the interactive database (link above).

Institutional-manager reports: 1 asset manager voting on “Election of Directors: James Palm” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Kanen Wealth Management LLC1,358,1390 00For

Institutional-manager reports, all 1 managers: 1,358,139 for.

6. Elect Director: Paul Jacobi

Official resultFund totals may overlapDIRECTOR ELECTIONSReported outcome: Elected

Combines 4 wordings of this item as funds reported it.

94% Majority: yes · of votes cast

FOR 94%
FOR: 34,259,595AGAINST: 2,062,232
Details: description as filed, official tally, votes by 40 asset managers

Description as filed by funds: Election of Directors: Paul Jacobi

MAMMOTH ENERGY SERVICES INC.’s own tally for this item (“Elect Director: Paul Jacobi”): 34,259,595 for, 2,062,232 against, per its Form 8-K filed June 14, 2024 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “Proposal 1 Arthur Amron, Corey Booker, Paul Jacobi, James Palm, Arthur Smith and Arty Straehla were elected to continue to serve as the Company's directors until the 2025 Annual Meeting of Stockholders and until their respective successors are elected and qualified, or until their earlier death, re…”
Support: 94% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports: 39 asset managers voting on “Election of Directors: Paul Jacobi” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Royce762,3420 00For
Vanguard756,5270 00For
BlackRock0732,183 00Against
World Funds Trust508,7030 00For
Dimensional476,5080 00For
Fidelity447,5920 00For
BRIDGEWAY FUNDS INC0310,000 00Against
EA Series Trust074,353 00Against
First Trust65,7840 00For
Charles Schwab063,981 00Against
QUANTITATIVE MASTER SERIES LLC045,251 00Against
Equitable2,05033,636 00Mixed
TIAA032,142 00Against
WisdomTree29,0700 00For
Lincoln Financial27,4160 00For
RBC FUNDS TRUST020,300 00Against
T. Rowe Price19,5580 00For
Global X015,016 00Against
Jackson National13,3930 00For
Bridge Builder Trust012,463 00Against
AIG/SunAmerica11,4820 00For
State Street9,5720 00For
Pacific Life08,535 00Against
Nationwide6,8640 00For
Victory Capital6,0020 00For

Fund voting reports, all 39 managers: 3,162,800 for, 1,351,080 against. Showing the 25 largest; every one is in the interactive database (link above).

Institutional-manager reports: 1 asset manager voting on “Election of Directors: Paul Jacobi” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Kanen Wealth Management LLC1,358,1390 00For

Institutional-manager reports, all 1 managers: 1,358,139 for.

7. Company's 2024 Equity Incentive Plan

Official resultCOMPENSATIONReported outcome: Approved

Combines 3 wordings of this item as funds reported it.

99.4% Approved · of votes cast

FOR 99.4%
FOR: 36,099,634AGAINST: 210,503
Details: description as filed, official tally, votes by 39 asset managers

Description as filed by funds: To approve the Company's 2024 Equity Incentive Plan

MAMMOTH ENERGY SERVICES INC.’s own tally for this item (“3. The Company's 2024 Equity Incentive Plan”): 36,099,634 for, 210,503 against — passed, per its Form 8-K filed June 14, 2024 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “Proposal 3 The Company's stockholders approved the Company's 2024 Equity Incentive Plan.”
Support: 99.4% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 39 asset managers below reported 4,489,707 for, 24,173 against.

FOR
FOR: 4,489,707AGAINST: 24,173
Largest asset managers voting on “To approve the Company's 2024 Equity Incentive Plan” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Royce762,3420 00For
Vanguard756,5270 00For
BlackRock732,1830 00For
World Funds Trust508,7030 00For
Dimensional476,5080 00For
Fidelity447,5920 00For
BRIDGEWAY FUNDS INC310,0000 00For
EA Series Trust74,3530 00For
First Trust65,7840 00For
Charles Schwab63,9810 00For
QUANTITATIVE MASTER SERIES LLC45,2510 00For
Equitable35,6860 00For
TIAA32,1420 00For
WisdomTree29,0700 00For
Lincoln Financial27,4160 00For
RBC FUNDS TRUST020,300 00Against
T. Rowe Price19,5580 00For
Global X15,0160 00For
Jackson National13,3930 00For
Bridge Builder Trust12,4630 00For
AIG/SunAmerica11,4820 00For
State Street9,5720 00For
Pacific Life8,5350 00For
Nationwide6,8640 00For
Victory Capital6,0020 00For

Showing the 25 largest of 39 asset managers. All 39 are in the interactive database (link above).

8. The compensation paid to the Company's named executive officers

Official resultFund totals may overlapCOMPENSATIONReported outcome: Approved

Combines 5 wordings of this item as funds reported it.

99.3% Approved · of votes cast

FOR 99.3%
FOR: 36,074,641AGAINST: 235,279
Details: description as filed, official tally, votes by 87 asset managers

Description as filed by funds: To approve, on an advisory basis, the Company's executive compensation

MAMMOTH ENERGY SERVICES INC.’s own tally for this item (“2. The compensation paid to the Company's named executive officers”): 36,074,641 for, 235,279 against — passed, per its Form 8-K filed June 14, 2024 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “Proposal 2 The Company's stockholders approved, on an advisory basis, the compensation paid to the Company's named executive officers.”
Support: 99.3% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports: 39 asset managers voting on “To approve, on an advisory basis, the Company's executive compensation” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Royce762,3420 00For
Vanguard756,5270 00For
BlackRock732,1830 00For
World Funds Trust508,7030 00For
Dimensional476,5080 00For
Fidelity447,5920 00For
BRIDGEWAY FUNDS INC310,0000 00For
EA Series Trust074,353 00Against
First Trust65,7840 00For
Charles Schwab63,9810 00For
QUANTITATIVE MASTER SERIES LLC45,2510 00For
Equitable35,6860 00For
TIAA32,1420 00For
WisdomTree29,0700 00For
Lincoln Financial27,4160 00For
RBC FUNDS TRUST20,3000 00For
T. Rowe Price19,5580 00For
Global X15,0160 00For
Jackson National13,3930 00For
Bridge Builder Trust12,4630 00For
AIG/SunAmerica11,4820 00For
State Street9,5720 00For
Pacific Life8,5350 00For
Nationwide6,8640 00For
Victory Capital6,0020 00For

Fund voting reports, all 39 managers: 4,438,902 for, 74,978 against. Showing the 25 largest; every one is in the interactive database (link above).

Institutional-manager reports: 62 asset managers voting on “To approve, on an advisory basis, the Company's executive compensation” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
WEXFORD CAPITAL LP21,784,3240 00For
ADAGE CAPITAL PARTNERS GP, L.L.C.3,954,9060 00For
Kanen Wealth Management LLC1,358,1390 00For
BlackRock502,6110 00For
GEODE CAPITAL MANAGEMENT, LLC481,8550 00For
Royce467,2230 00For
State Street380,5860 00For
BRIDGEWAY CAPITAL MANAGEMENT, LLC320,1000 00For
MELLON INVESTMENTS Corp215,1150 00For
Northern Trust138,3660 00For
Dimensional113,7110 00For
STIFEL NICOLAUS & CO INC \MO\107,0720 00For
Charles Schwab63,9810 00For
Nuveen36,8430 00For
Connor, Clark & Lunn Investment Management Ltd.29,7550 00For
PARAMETRIC PORTFOLIO ASSOCIATES LLC26,8230 00For
NJ State Employees Deferred Compensation Plan24,0000 00For
T. Rowe Price23,7350 00For
Two Sigma19,4140 00For
Vanguard19,0690 00For
Renaissance18,5460 00For
O'SHAUGHNESSY ASSET MANAGEMENT, LLC16,3160 00For
Rhumbline14,7150 00For
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM12,9660 00For
NEW YORK STATE COMMON RETIREMENT FUND10,9790 00For

Institutional-manager reports, all 62 managers: 30,214,435 for, 14,563 against. Showing the 25 largest; every one is in the interactive database (link above).

9. Appointment of Grant Thornton LLP as the Company's independent auditors for the fiscal year ending December 31, 2024

Official resultFund totals may overlapAUDIT-RELATEDReported outcome: Approved

Combines 4 wordings of this item as funds reported it.

99.6% Approved · of votes cast

FOR 99.6%
FOR: 43,498,477AGAINST: 163,334
Details: description as filed, official tally, votes by 40 asset managers

Description as filed by funds: To ratify the appointment of Grant Thornton LLP as the Company's independent auditors for the fiscal year ending December 31, 2024

MAMMOTH ENERGY SERVICES INC.’s own tally for this item (“4. Appointment of Grant Thornton LLP as the Company's independent auditors for the fiscal year ending December 31, 2024”): 43,498,477 for, 163,334 against — passed, per its Form 8-K filed June 14, 2024 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “Proposal 4 The appointment of Grant Thornton LLP as the Company's independent auditors for the fiscal year ending December 31, 2024 was ratified.”
Support: 99.6% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports: 39 asset managers voting on “To ratify the appointment of Grant Thornton LLP as the Company's independent auditors for the fiscal year endi” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Royce762,3420 00For
Vanguard756,5270 00For
BlackRock732,1830 00For
World Funds Trust508,7030 00For
Dimensional476,5080 00For
Fidelity447,5920 00For
BRIDGEWAY FUNDS INC310,0000 00For
EA Series Trust074,353 00Against
First Trust65,7840 00For
Charles Schwab63,9810 00For
QUANTITATIVE MASTER SERIES LLC45,2510 00For
Equitable35,6860 00For
TIAA32,1420 00For
WisdomTree29,0700 00For
Lincoln Financial27,4160 00For
RBC FUNDS TRUST20,3000 00For
T. Rowe Price19,5580 00For
Global X15,0160 00For
Jackson National13,3930 00For
Bridge Builder Trust12,4630 00For
AIG/SunAmerica11,4820 00For
State Street9,5720 00For
Pacific Life8,5350 00For
Nationwide6,8640 00For
Victory Capital6,0020 00For

Fund voting reports, all 39 managers: 4,439,527 for, 74,353 against. Showing the 25 largest; every one is in the interactive database (link above).

Institutional-manager reports: 1 asset manager voting on “To ratify the appointment of Grant Thornton LLP as the Company's independent auditors for the fiscal year endi” at MAMMOTH ENERGY SERVICES INC., 2023-2024
Asset managerForAgainst AbstainWithheldVote
Kanen Wealth Management LLC1,358,1390 00For

Institutional-manager reports, all 1 managers: 1,358,139 for.

Largest MAMMOTH ENERGY SERVICES INC. shareholders voting in 2023-2024

Ranked separately for each type of Form N-PX report. An institutional manager can report shares that a fund it advises also reports, so the two tables can list the same shares and are never added together. Each is ranked by the shares voted on the item that the most managers of that type reported, shown as a share of the 48,008,319 shares outstanding at the time of that meeting.

Fund voting reports: top MAMMOTH ENERGY SERVICES INC. shareholders by shares voted on “To approve, on an advisory basis, the Company's executive compensation”, 2023-2024
#Asset manager % of shares outstanding
1Royce 1.59%
2Vanguard 1.58%
3BlackRock 1.53%
4World Funds Trust 1.06%
5Dimensional 0.99%
6Fidelity 0.93%
7BRIDGEWAY FUNDS INC 0.65%
8EA Series Trust 0.15%
9First Trust 0.14%
10Charles Schwab 0.13%
Institutional-manager reports: top MAMMOTH ENERGY SERVICES INC. shareholders by shares voted on “To approve, on an advisory basis, the Company's executive compensation”, 2023-2024
#Asset manager % of shares outstanding
1WEXFORD CAPITAL LP 45.38%
2ADAGE CAPITAL PARTNERS GP, L.L.C. 8.24%
3Kanen Wealth Management LLC 2.83%
4BlackRock 1.05%
5GEODE CAPITAL MANAGEMENT, LLC 1.00%
6Royce 0.97%
7State Street 0.79%
8BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.67%
9MELLON INVESTMENTS Corp 0.45%
10Northern Trust 0.29%

Reported MAMMOTH ENERGY SERVICES INC. holdings and ownership

As disclosed to the SEC in Form 13F (quarter-end holdings of 30 large managers), Schedules 13D and 13G (beneficial ownership above 5%) and the company’s own proxy statement (DEF 14A). Each row names its form.

MAMMOTH ENERGY SERVICES INC. holdings and ownership disclosed for the 2023-2024 proxy season
Holder % outstanding Disclosure
S.S. or 47.00% 13G
S 4.62% 13G
BlackRock 3.03% 13F
Vanguard Group 1.97% 13F
Dimensional Fund Advisors 1.47% 13F
Geode Capital 1.02% 13F
State Street 0.85% 13F
Northern Trust 0.41% 13F
JPMorgan Chase 0.38% 13F
BNY Mellon 0.32% 13F

Percentages above are of 48,008,319 shares outstanding, as reported by MAMMOTH ENERGY SERVICES INC. on its Form 10-Q dated April 30, 2024 (see the filing on EDGAR). This is the count contemporaneous with the 2023-2024 meeting, not today’s. Each holding is as of its own filing, which may be dated before or after the meeting.

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About this page

Every figure above is derived from filings made with the US Securities and Exchange Commission: Form N-PX, in which registered funds disclose how they voted every proxy and institutional managers disclose their votes on executive pay (say-on-pay, say-on-frequency and golden parachutes), and Form 8-K Item 5.07, in which the company reports its own meeting results. Shares outstanding are taken from MAMMOTH ENERGY SERVICES INC.’s 10-Q dated April 30, 2024. This page is a static snapshot rebuilt weekly on November 8, 2026; a live search always shows the current data.

MAMMOTH ENERGY SERVICES INC. proxy season coverage: 2023-2024 (this page) · 2024-2025 · 2025-2026.

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proxyvotesnow.com, “MAMMOTH ENERGY SERVICES (TUSK) 2024 Annual Meeting: Vote Results”, https://proxyvotesnow.com/company/mammoth-energy-services-inc/2024 (version of November 8, 2026). Derived from SEC Form N-PX and Form 8-K filings; tables licensed CC BY 4.0. Licence: CC BY 4.0.