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Koppers Holdings Inc. 2025-2026 Proxy Voting Records

Compiled from SEC Form N-PX filings and Koppers Holdings Inc.’s Form 8-K, filed May 8, 2026 (Item 5.07 on EDGAR). Page generated October 18, 2026.

  • 11Ballot items
  • 250Asset managers
  • 3,044Fund votes
  • May 7, 2026Meeting date

Results at a glance

Meeting of May 7, 2026: 11 items on Koppers Holdings Inc.’s Form 8-K, filed May 8, 2026: 8 elected · 2 approved · 1 without a stated outcome.

Material dissent

None.

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 Koppers Holdings Inc. in the interactive database Compare manager voting policies

Official 2025-2026 meeting results reported by Koppers Holdings Inc.

These tallies are Koppers Holdings Inc.’s own, as disclosed to the U.S. Securities and Exchange Commission on Form 8-K, filed May 8, 2026 (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.

Koppers Holdings Inc. — official shareholder meeting results, meeting held May 7, 2026
Ballot itemForAgainst AbstainWithheldBroker non-votesSupport (of votes cast)Reported outcomeVoting standard
Elect Director: Leroy M. Ball 16,337,493502,14018,955 --1,565,136 97%Elected—
Elect Director: Xudong Feng, Ph.D. 16,387,087452,61718,884 --1,565,136 97%Elected—
Elect Director: Traci L. Jensen 16,500,802342,15515,631 --1,565,136 98%Elected—
Elect Director: David L. Motley 16,473,001376,2279,360 --1,565,136 98%Elected—
Elect Director: Laura J. Posadas 16,671,236177,4809,872 --1,565,136 99%Elected—
Elect Director: Andrew D. Sandifer 16,533,530309,74615,312 --1,565,136 98%Elected—
Elect Director: Nishan J. Vartanian 16,675,722175,6067,260 --1,565,136 99%Elected—
Elect Director: Sonja M. Wilkerson 16,355,301484,63718,650 --1,565,136 97%Elected—
Approval of the First Amendment to the Koppers Holdings Inc. Amended and Restated Employee Stock Purchase Plan: The proposal to approve the First Amendment to the Koppers Holdings Inc. 16,814,34837,1367,104 --1,565,136 99.7%Approved—
Advisory Resolution to Approve Named Executive Officer Compensation: The advisory resolution approving the compensation of our named executive officers as disclosed in the Notice of Annual Meeting and Proxy Statement for the 2026 Annual Mee 16,543,516241,12073,952 --1,565,136 99%Approved—
Ratification of Appointment of KPMG LLP: The Audit Committee of our Board of Directors appointed KPMG LLP as our independent registered public accounting firm for fiscal year 2026. 18,118,616287,21717,891 ---- 98%Not verified—

Source: Koppers Holdings Inc., Form 8-K, filed with the SEC on May 8, 2026 — read the filing on EDGAR.

How asset managers voted at the Koppers Holdings Inc. 2025-2026 meeting

Each item below shows how the 250 asset managers that disclosed a Koppers Holdings 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: Xudong Feng, Ph.D.

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 6 wordings of this item as funds reported it.

97% Majority: yes · of votes cast

FOR 97%
FOR: 16,387,087AGAINST: 452,617
Details: description as filed, official tally, votes by 78 asset managers

Description as filed by funds: PROPOSAL FOR ELECTION OF DIRECTORS: Xudong Feng, Ph. D.

Koppers Holdings Inc.’s own tally for this item (“Elect Director: Xudong Feng, Ph.D.”): 16,387,087 for, 452,617 against, per its Form 8-K filed May 8, 2026 (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: “Election of Directors: Nominations of Leroy M. Ball, Xudong Feng, Ph.D., Traci L. Jensen, David L. Motley, Laura J. Posadas, Andrew D. Sandifer, Nishan J. Vartanian and Sonja M. Wilkerson to serve as directors for one-year terms expiring in 2027 were considered, and all nominees were elected.”
Support: 97% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 78 asset managers below reported 8,905,146 for, 11,111 against, 2,430 abstained.

FOR
FOR: 8,905,146AGAINST: 11,111ABSTAIN: 2,430
Largest asset managers voting on “PROPOSAL FOR ELECTION OF DIRECTORS: Xudong Feng, Ph. D.” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
BlackRock2,848,9050 00For
Vanguard1,381,4115,671 00For
UNDISCOVERED MANAGERS FUNDS788,6010 00For
Charles Schwab540,4010 00For
American Century474,2450 00For
Fidelity398,7730 00For
Dimensional349,2310 00For
State Street269,64816 3500For
Columbia Threadneedle226,6970 00For
Invesco179,5100 00For
WisdomTree107,0850 00For
EA Series Trust96,2520 00For
Bridge Builder Trust92,7520 00For
ADVISORS' INNER CIRCLE FUND90,8810 00For
Lord Abbett87,0190 00For
Russell Investments68,7590 00For
ADVISORS SERIES TRUST55,4630 00For
Federated Hermes54,4090 00For
BRIDGEWAY FUNDS INC50,9530 00For
Equitable43,9620 00For
HARBOR FUNDS43,6000 00For
Principal Exchange-Traded Funds39,8160 00For
TIAA37,9340 00For
Northern Trust34,7710 00For
Jackson National34,4920 00For

Showing the 25 largest of 78 asset managers. See all 78 in the interactive database.

2. Elect Director: Andrew D. Sandifer

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 3 wordings of this item as funds reported it.

98% Majority: yes · of votes cast

FOR 98%
FOR: 16,533,530AGAINST: 309,746
Details: description as filed, official tally, votes by 77 asset managers

Description as filed by funds: PROPOSAL FOR ELECTION OF DIRECTORS: Andrew D. Sandifer

Koppers Holdings Inc.’s own tally for this item (“Elect Director: Andrew D. Sandifer”): 16,533,530 for, 309,746 against, per its Form 8-K filed May 8, 2026 (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: “Election of Directors: Nominations of Leroy M. Ball, Xudong Feng, Ph.D., Traci L. Jensen, David L. Motley, Laura J. Posadas, Andrew D. Sandifer, Nishan J. Vartanian and Sonja M. Wilkerson to serve as directors for one-year terms expiring in 2027 were considered, and all nominees were elected.”
Support: 98% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 77 asset managers below reported 8,912,574 for, 1,616 against, 2,080 abstained.

FOR
FOR: 8,912,574AGAINST: 1,616ABSTAIN: 2,080
Largest asset managers voting on “PROPOSAL FOR ELECTION OF DIRECTORS: Andrew D. Sandifer” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
BlackRock2,848,9050 00For
Vanguard1,387,0802 00For
UNDISCOVERED MANAGERS FUNDS788,6010 00For
Charles Schwab540,4010 00For
American Century474,2450 00For
Fidelity398,7730 00For
Dimensional349,2310 00For
State Street270,0130 00For
Columbia Threadneedle226,6970 00For
Invesco179,5100 00For
WisdomTree107,0850 00For
EA Series Trust96,2520 00For
Bridge Builder Trust92,7520 00For
ADVISORS' INNER CIRCLE FUND90,8810 00For
Lord Abbett87,0190 00For
Russell Investments68,7590 00For
ADVISORS SERIES TRUST55,4630 00For
Federated Hermes54,4090 00For
BRIDGEWAY FUNDS INC50,9530 00For
Equitable43,9620 00For
HARBOR FUNDS43,6000 00For
Principal Exchange-Traded Funds39,8160 00For
TIAA37,9340 00For
Northern Trust34,7710 00For
Jackson National34,4920 00For

Showing the 25 largest of 77 asset managers. See all 77 in the interactive database.

3. Elect Director: David L. Motley

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 3 wordings of this item as funds reported it.

98% Majority: yes · of votes cast

FOR 98%
FOR: 16,473,001AGAINST: 376,227
Details: description as filed, official tally, votes by 77 asset managers

Description as filed by funds: PROPOSAL FOR ELECTION OF DIRECTORS: David L. Motley

Koppers Holdings Inc.’s own tally for this item (“Elect Director: David L. Motley”): 16,473,001 for, 376,227 against, per its Form 8-K filed May 8, 2026 (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: “Election of Directors: Nominations of Leroy M. Ball, Xudong Feng, Ph.D., Traci L. Jensen, David L. Motley, Laura J. Posadas, Andrew D. Sandifer, Nishan J. Vartanian and Sonja M. Wilkerson to serve as directors for one-year terms expiring in 2027 were considered, and all nominees were elected.”
Support: 98% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 77 asset managers below reported 8,902,746 for, 11,095 against, 2,430 abstained.

FOR
FOR: 8,902,746AGAINST: 11,095ABSTAIN: 2,430
Largest asset managers voting on “PROPOSAL FOR ELECTION OF DIRECTORS: David L. Motley” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
BlackRock2,848,9050 00For
Vanguard1,381,4115,671 00For
UNDISCOVERED MANAGERS FUNDS788,6010 00For
Charles Schwab540,4010 00For
American Century474,2450 00For
Fidelity398,7730 00For
Dimensional349,2310 00For
State Street269,6630 3500For
Columbia Threadneedle226,6970 00For
Invesco179,5100 00For
WisdomTree107,0850 00For
EA Series Trust96,2520 00For
Bridge Builder Trust92,7520 00For
ADVISORS' INNER CIRCLE FUND90,8810 00For
Lord Abbett87,0190 00For
Russell Investments68,7590 00For
ADVISORS SERIES TRUST55,4630 00For
Federated Hermes54,4090 00For
BRIDGEWAY FUNDS INC50,9530 00For
Equitable43,9620 00For
HARBOR FUNDS43,6000 00For
Principal Exchange-Traded Funds39,8160 00For
TIAA37,9340 00For
Northern Trust34,7710 00For
Jackson National34,4920 00For

Showing the 25 largest of 77 asset managers. See all 77 in the interactive database.

4. Elect Director: Laura J. Posadas

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 3 wordings of this item as funds reported it.

99% Majority: yes · of votes cast

FOR 99%
FOR: 16,671,236AGAINST: 177,480
Details: description as filed, official tally, votes by 77 asset managers

Description as filed by funds: PROPOSAL FOR ELECTION OF DIRECTORS: Laura J. Posadas

Koppers Holdings Inc.’s own tally for this item (“Elect Director: Laura J. Posadas”): 16,671,236 for, 177,480 against, per its Form 8-K filed May 8, 2026 (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: “Election of Directors: Nominations of Leroy M. Ball, Xudong Feng, Ph.D., Traci L. Jensen, David L. Motley, Laura J. Posadas, Andrew D. Sandifer, Nishan J. Vartanian and Sonja M. Wilkerson to serve as directors for one-year terms expiring in 2027 were considered, and all nominees were elected.”
Support: 99% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 77 asset managers below reported 8,914,189 for, 1 against, 2,080 abstained.

FOR
FOR: 8,914,189AGAINST: 1ABSTAIN: 2,080
Largest asset managers voting on “PROPOSAL FOR ELECTION OF DIRECTORS: Laura J. Posadas” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
BlackRock2,848,9050 00For
Vanguard1,387,0811 00For
UNDISCOVERED MANAGERS FUNDS788,6010 00For
Charles Schwab540,4010 00For
American Century474,2450 00For
Fidelity398,7730 00For
Dimensional349,2310 00For
State Street270,0130 00For
Columbia Threadneedle226,6970 00For
Invesco179,5100 00For
WisdomTree107,0850 00For
EA Series Trust96,2520 00For
Bridge Builder Trust92,7520 00For
ADVISORS' INNER CIRCLE FUND90,8810 00For
Lord Abbett87,0190 00For
Russell Investments68,7590 00For
ADVISORS SERIES TRUST55,4630 00For
Federated Hermes54,4090 00For
BRIDGEWAY FUNDS INC50,9530 00For
Equitable43,9620 00For
HARBOR FUNDS43,6000 00For
Principal Exchange-Traded Funds39,8160 00For
TIAA37,9340 00For
Northern Trust34,7710 00For
Jackson National34,4920 00For

Showing the 25 largest of 77 asset managers. See all 77 in the interactive database.

5. Elect Director: Leroy M. Ball

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 3 wordings of this item as funds reported it.

97% Majority: yes · of votes cast

FOR 97%
FOR: 16,337,493AGAINST: 502,140
Details: description as filed, official tally, votes by 77 asset managers

Description as filed by funds: PROPOSAL FOR ELECTION OF DIRECTORS: Leroy M. Ball

Koppers Holdings Inc.’s own tally for this item (“Elect Director: Leroy M. Ball”): 16,337,493 for, 502,140 against, per its Form 8-K filed May 8, 2026 (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: “Election of Directors: Nominations of Leroy M. Ball, Xudong Feng, Ph.D., Traci L. Jensen, David L. Motley, Laura J. Posadas, Andrew D. Sandifer, Nishan J. Vartanian and Sonja M. Wilkerson to serve as directors for one-year terms expiring in 2027 were considered, and all nominees were elected.”
Support: 97% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 77 asset managers below reported 8,902,734 for, 11,107 against, 2,430 abstained.

FOR
FOR: 8,902,734AGAINST: 11,107ABSTAIN: 2,430
Largest asset managers voting on “PROPOSAL FOR ELECTION OF DIRECTORS: Leroy M. Ball” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
BlackRock2,848,9050 00For
Vanguard1,381,4115,671 00For
UNDISCOVERED MANAGERS FUNDS788,6010 00For
Charles Schwab540,4010 00For
American Century474,2450 00For
Fidelity398,7730 00For
Dimensional349,2310 00For
State Street269,65212 3500For
Columbia Threadneedle226,6970 00For
Invesco179,5100 00For
WisdomTree107,0850 00For
EA Series Trust96,2520 00For
Bridge Builder Trust92,7520 00For
ADVISORS' INNER CIRCLE FUND90,8810 00For
Lord Abbett87,0190 00For
Russell Investments68,7590 00For
ADVISORS SERIES TRUST55,4630 00For
Federated Hermes54,4090 00For
BRIDGEWAY FUNDS INC50,9530 00For
Equitable43,9620 00For
HARBOR FUNDS43,6000 00For
Principal Exchange-Traded Funds39,8160 00For
TIAA37,9340 00For
Northern Trust34,7710 00For
Jackson National34,4920 00For

Showing the 25 largest of 77 asset managers. See all 77 in the interactive database.

6. Elect Director: Nishan J. Vartanian

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 3 wordings of this item as funds reported it.

99% Majority: yes · of votes cast

FOR 99%
FOR: 16,675,722AGAINST: 175,606
Details: description as filed, official tally, votes by 77 asset managers

Description as filed by funds: PROPOSAL FOR ELECTION OF DIRECTORS: Nishan J. Vartanian

Koppers Holdings Inc.’s own tally for this item (“Elect Director: Nishan J. Vartanian”): 16,675,722 for, 175,606 against, per its Form 8-K filed May 8, 2026 (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: “Election of Directors: Nominations of Leroy M. Ball, Xudong Feng, Ph.D., Traci L. Jensen, David L. Motley, Laura J. Posadas, Andrew D. Sandifer, Nishan J. Vartanian and Sonja M. Wilkerson to serve as directors for one-year terms expiring in 2027 were considered, and all nominees were elected.”
Support: 99% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 77 asset managers below reported 8,914,189 for, 1 against, 2,080 abstained.

FOR
FOR: 8,914,189AGAINST: 1ABSTAIN: 2,080
Largest asset managers voting on “PROPOSAL FOR ELECTION OF DIRECTORS: Nishan J. Vartanian” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
BlackRock2,848,9050 00For
Vanguard1,387,0811 00For
UNDISCOVERED MANAGERS FUNDS788,6010 00For
Charles Schwab540,4010 00For
American Century474,2450 00For
Fidelity398,7730 00For
Dimensional349,2310 00For
State Street270,0130 00For
Columbia Threadneedle226,6970 00For
Invesco179,5100 00For
WisdomTree107,0850 00For
EA Series Trust96,2520 00For
Bridge Builder Trust92,7520 00For
ADVISORS' INNER CIRCLE FUND90,8810 00For
Lord Abbett87,0190 00For
Russell Investments68,7590 00For
ADVISORS SERIES TRUST55,4630 00For
Federated Hermes54,4090 00For
BRIDGEWAY FUNDS INC50,9530 00For
Equitable43,9620 00For
HARBOR FUNDS43,6000 00For
Principal Exchange-Traded Funds39,8160 00For
TIAA37,9340 00For
Northern Trust34,7710 00For
Jackson National34,4920 00For

Showing the 25 largest of 77 asset managers. See all 77 in the interactive database.

7. Elect Director: Sonja M. Wilkerson

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 3 wordings of this item as funds reported it.

97% Majority: yes · of votes cast

FOR 97%
FOR: 16,355,301AGAINST: 484,637
Details: description as filed, official tally, votes by 77 asset managers

Description as filed by funds: PROPOSAL FOR ELECTION OF DIRECTORS: Sonja M. Wilkerson

Koppers Holdings Inc.’s own tally for this item (“Elect Director: Sonja M. Wilkerson”): 16,355,301 for, 484,637 against, per its Form 8-K filed May 8, 2026 (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: “Election of Directors: Nominations of Leroy M. Ball, Xudong Feng, Ph.D., Traci L. Jensen, David L. Motley, Laura J. Posadas, Andrew D. Sandifer, Nishan J. Vartanian and Sonja M. Wilkerson to serve as directors for one-year terms expiring in 2027 were considered, and all nominees were elected.”
Support: 97% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 77 asset managers below reported 8,872,373 for, 41,468 against, 2,430 abstained.

FOR
FOR: 8,872,373AGAINST: 41,468ABSTAIN: 2,430
Largest asset managers voting on “PROPOSAL FOR ELECTION OF DIRECTORS: Sonja M. Wilkerson” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
BlackRock2,848,9050 00For
Vanguard1,381,4115,671 00For
UNDISCOVERED MANAGERS FUNDS788,6010 00For
Charles Schwab540,4010 00For
American Century474,2450 00For
Fidelity398,7730 00For
Dimensional349,2310 00For
State Street269,6630 3500For
Columbia Threadneedle226,6970 00For
Invesco179,5100 00For
WisdomTree107,0850 00For
EA Series Trust96,2520 00For
Bridge Builder Trust92,7520 00For
ADVISORS' INNER CIRCLE FUND90,8810 00For
Lord Abbett87,0190 00For
Russell Investments68,7590 00For
ADVISORS SERIES TRUST55,4630 00For
Federated Hermes54,4090 00For
BRIDGEWAY FUNDS INC50,9530 00For
Equitable43,9620 00For
HARBOR FUNDS43,6000 00For
Principal Exchange-Traded Funds39,8160 00For
TIAA37,9340 00For
Northern Trust34,7710 00For
Jackson National34,4920 00For

Showing the 25 largest of 77 asset managers. See all 77 in the interactive database.

8. Elect Director: Traci L. Jensen

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 3 wordings of this item as funds reported it.

98% Majority: yes · of votes cast

FOR 98%
FOR: 16,500,802AGAINST: 342,155
Details: description as filed, official tally, votes by 77 asset managers

Description as filed by funds: PROPOSAL FOR ELECTION OF DIRECTORS: Traci L. Jensen

Koppers Holdings Inc.’s own tally for this item (“Elect Director: Traci L. Jensen”): 16,500,802 for, 342,155 against, per its Form 8-K filed May 8, 2026 (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: “Election of Directors: Nominations of Leroy M. Ball, Xudong Feng, Ph.D., Traci L. Jensen, David L. Motley, Laura J. Posadas, Andrew D. Sandifer, Nishan J. Vartanian and Sonja M. Wilkerson to serve as directors for one-year terms expiring in 2027 were considered, and all nominees were elected.”
Support: 98% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 77 asset managers below reported 8,902,746 for, 11,095 against, 2,430 abstained.

FOR
FOR: 8,902,746AGAINST: 11,095ABSTAIN: 2,430
Largest asset managers voting on “PROPOSAL FOR ELECTION OF DIRECTORS: Traci L. Jensen” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
BlackRock2,848,9050 00For
Vanguard1,381,4115,671 00For
UNDISCOVERED MANAGERS FUNDS788,6010 00For
Charles Schwab540,4010 00For
American Century474,2450 00For
Fidelity398,7730 00For
Dimensional349,2310 00For
State Street269,6630 3500For
Columbia Threadneedle226,6970 00For
Invesco179,5100 00For
WisdomTree107,0850 00For
EA Series Trust96,2520 00For
Bridge Builder Trust92,7520 00For
ADVISORS' INNER CIRCLE FUND90,8810 00For
Lord Abbett87,0190 00For
Russell Investments68,7590 00For
ADVISORS SERIES TRUST55,4630 00For
Federated Hermes54,4090 00For
BRIDGEWAY FUNDS INC50,9530 00For
Equitable43,9620 00For
HARBOR FUNDS43,6000 00For
Principal Exchange-Traded Funds39,8160 00For
TIAA37,9340 00For
Northern Trust34,7710 00For
Jackson National34,4920 00For

Showing the 25 largest of 77 asset managers. See all 77 in the interactive database.

9. Approval of the First Amendment to the Koppers Holdings Inc. Amended and Restated Employee Stock Purchase Plan: The…

Official resultCAPITAL STRUCTUREReported outcome: Approved

Combines 3 wordings of this item as funds reported it.

99.7% Approved · of votes cast

FOR 99.7%
FOR: 16,814,348AGAINST: 37,136
Details: description as filed, official tally, votes by 80 asset managers

Description as filed by funds: PROPOSAL TO APPROVE AN AMENDMENT TO OUR AMENDED AND RESTATED EMPLOYEE STOCK PURCHASE PLAN

Koppers Holdings Inc.’s own tally for this item (“Approval of the First Amendment to the Koppers Holdings Inc. Amended and Restated Employee Stock Purchase Plan: The proposal to approve the First Amendment to the Koppers Holdings Inc.”): 16,814,348 for, 37,136 against — passed, per its Form 8-K filed May 8, 2026 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “Approval of the First Amendment to the Koppers Holdings Inc. Amended and Restated Employee Stock Purchase Plan: The proposal to approve the First Amendment to the Koppers Holdings Inc. Amended and Restated Employee Stock Purchase Plan was approved.”
Support: 99.7% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 80 asset managers below reported 8,916,753 for, 2,080 against.

FOR
FOR: 8,916,753AGAINST: 2,080
Largest asset managers voting on “PROPOSAL TO APPROVE AN AMENDMENT TO OUR AMENDED AND RESTATED EMPLOYEE STOCK PURCHASE PLAN” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
BlackRock2,848,9050 00For
Vanguard1,387,0820 00For
UNDISCOVERED MANAGERS FUNDS788,6010 00For
Charles Schwab540,4010 00For
American Century474,2450 00For
Fidelity398,7730 00For
Dimensional349,2310 00For
State Street270,0130 00For
Columbia Threadneedle226,6970 00For
Invesco179,5100 00For
WisdomTree107,0850 00For
EA Series Trust96,2520 00For
Bridge Builder Trust92,7520 00For
ADVISORS' INNER CIRCLE FUND90,8810 00For
Lord Abbett87,0190 00For
Russell Investments68,7590 00For
ADVISORS SERIES TRUST55,4630 00For
Federated Hermes54,4090 00For
BRIDGEWAY FUNDS INC50,9530 00For
Equitable43,9620 00For
HARBOR FUNDS43,6000 00For
Principal Exchange-Traded Funds39,8160 00For
TIAA37,9340 00For
Northern Trust34,7710 00For
Jackson National34,4920 00For

Showing the 25 largest of 80 asset managers. See all 80 in the interactive database.

10. Advisory Resolution to Approve Named Executive Officer Compensation: The advisory resolution approving the compensation…

Official resultFund totals may overlapSECTION 14A SAY-ON-PAY VOTESReported outcome: Approved

Combines 5 wordings of this item as funds reported it.

99% Approved · of votes cast

FOR 99%
FOR: 16,543,516AGAINST: 241,120
Details: description as filed, official tally, votes by 250 asset managers

Description as filed by funds: PROPOSAL TO APPROVE AN ADVISORY RESOLUTION ON OUR NAMED EXECUTIVE OFFICER COMPENSATION

Koppers Holdings Inc.’s own tally for this item (“Advisory Resolution to Approve Named Executive Officer Compensation: The advisory resolution approving the compensation of our named executive officers as disclosed in the Notice of Annual Meeting and Proxy Statement for”): 16,543,516 for, 241,120 against — passed, per its Form 8-K filed May 8, 2026 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “Advisory Resolution to Approve Named Executive Officer Compensation: The advisory resolution approving the compensation of our named executive officers as disclosed in the Notice of Annual Meeting and Proxy Statement for the 2026 Annual Meeting was approved.”
Support: 99% 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: 77 asset managers voting on “PROPOSAL TO APPROVE AN ADVISORY RESOLUTION ON OUR NAMED EXECUTIVE OFFICER COMPENSATION” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
BlackRock2,848,9050 00For
Vanguard1,387,0801 00For
UNDISCOVERED MANAGERS FUNDS788,6010 00For
Charles Schwab540,4010 00For
American Century474,2450 00For
Fidelity398,7730 00For
Dimensional349,2310 00For
State Street270,0130 00For
Columbia Threadneedle226,6970 00For
Invesco179,5100 00For
WisdomTree107,0850 00For
EA Series Trust96,2520 00For
Bridge Builder Trust92,7520 00For
ADVISORS' INNER CIRCLE FUND90,8810 00For
Lord Abbett87,0190 00For
Russell Investments68,7590 00For
ADVISORS SERIES TRUST55,4630 00For
Federated Hermes54,4090 00For
BRIDGEWAY FUNDS INC50,9530 00For
Equitable43,9620 00For
HARBOR FUNDS43,6000 00For
Principal Exchange-Traded Funds39,8160 00For
TIAA37,9340 00For
Northern Trust34,7710 00For
Jackson National34,4920 00For

Fund voting reports, all 77 managers: 8,901,769 for, 31,988 against, 2,080 abstained. Showing the 25 largest; see all in the interactive database.

Institutional-manager reports: 195 asset managers voting on “PROPOSAL TO APPROVE AN ADVISORY RESOLUTION ON OUR NAMED EXECUTIVE OFFICER COMPENSATION” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
FULLER & THALER ASSET MANAGEMENT, INC.951,4320 00For
Simcoe Capital Management, LLC944,4300 00For
BlackRock706,5741,501 00For
State Street686,8500 00For
PZENA INVESTMENT MANAGEMENT LLC670,4080 00For
LSV ASSET MANAGEMENT618,3677,900 00For
Charles Schwab577,5570 00For
American Century510,5010 00For
GEODE CAPITAL MANAGEMENT, LLC461,1530 00For
Northern Trust190,4880 00For
Vanguard190,2410 00For
Invesco189,3370 00For
Dana Investment Advisors, Inc.143,6590 00For
PRINCIPAL GLOBAL INVESTORS136,0600 00For
UI BVK Kapitalverwaltungsgesellschaft mbH124,2000 00For
Russell Investments116,5990 00For
O'SHAUGHNESSY ASSET MANAGEMENT, LLC112,8570 00For
Dimensional109,4370 00For
LORD, ABBETT & CO. LLC90,0000 00For
PARAMETRIC PORTFOLIO ASSOCIATES LLC87,6130 00For
MELLON INVESTMENTS Corp78,1130 00For
JB CAPITAL PARTNERS LP77,0000 00For
PUBLIC SECTOR PENSION INVESTMENT BOARD70,6190 00For
CSM Advisors, LLC61,7000 00For
Federated Hermes56,9730 00For

Institutional-manager reports, all 195 managers: 9,048,932 for, 140,699 against, 34,736 abstained. Showing the 25 largest; see all in the interactive database.

11. Ratification of Appointment of KPMG LLP: The Audit Committee of our Board of Directors appointed KPMG LLP as our…

Outcome not verifiedAUDIT-RELATEDReported outcome: Not verified

Combines 3 wordings of this item as funds reported it.

98% Majority: yes · of votes cast

FOR 98%
FOR: 18,118,616AGAINST: 287,217
Details: description as filed, official tally, votes by 78 asset managers

Description as filed by funds: PROPOSAL TO RATIFY THE APPOINTMENT OF KPMG LLP AS OUR INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR FISCAL YEAR 2026

Koppers Holdings Inc.’s own tally for this item (“Ratification of Appointment of KPMG LLP: The Audit Committee of our Board of Directors appointed KPMG LLP as our independent registered public accounting firm for fiscal year 2026.”): 18,118,616 for, 287,217 against, per its Form 8-K filed May 8, 2026 (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.

The 78 asset managers below reported 8,899,336 for, 17,271 against, 2,080 abstained.

FOR
FOR: 8,899,336AGAINST: 17,271ABSTAIN: 2,080
Largest asset managers voting on “PROPOSAL TO RATIFY THE APPOINTMENT OF KPMG LLP AS OUR INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR FISCAL” at Koppers Holdings Inc., 2025-2026
Asset managerForAgainst AbstainWithheldVote
BlackRock2,848,9050 00For
Vanguard1,381,4125,670 00For
UNDISCOVERED MANAGERS FUNDS788,6010 00For
Charles Schwab540,4010 00For
American Century474,2450 00For
Fidelity398,7730 00For
Dimensional349,2310 00For
State Street269,648365 00For
Columbia Threadneedle226,6970 00For
Invesco179,5100 00For
WisdomTree107,0850 00For
EA Series Trust96,2520 00For
Bridge Builder Trust92,7520 00For
ADVISORS' INNER CIRCLE FUND90,8810 00For
Lord Abbett87,0190 00For
Russell Investments68,7590 00For
ADVISORS SERIES TRUST55,4630 00For
Federated Hermes54,4090 00For
BRIDGEWAY FUNDS INC50,9530 00For
Equitable43,9620 00For
HARBOR FUNDS43,6000 00For
Principal Exchange-Traded Funds39,8160 00For
TIAA37,9340 00For
Northern Trust34,7710 00For
Jackson National34,4920 00For

Showing the 25 largest of 78 asset managers. See all 78 in the interactive database.

Largest Koppers Holdings Inc. shareholders voting in 2025-2026

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 19,230,000 shares outstanding at the time of that meeting.

Fund voting reports: top Koppers Holdings Inc. shareholders by shares voted on “PROPOSAL TO APPROVE AN ADVISORY RESOLUTION ON OUR NAMED EXECUTIVE OFFICER COMPENSATION”, 2025-2026
#Asset manager % of shares outstanding
1BlackRock 14.81%
2Vanguard 7.21%
3UNDISCOVERED MANAGERS FUNDS 4.10%
4Charles Schwab 2.81%
5American Century 2.47%
6Fidelity 2.07%
7Dimensional 1.82%
8State Street 1.40%
9Columbia Threadneedle 1.18%
10Invesco 0.93%
Institutional-manager reports: top Koppers Holdings Inc. shareholders by shares voted on “PROPOSAL TO APPROVE AN ADVISORY RESOLUTION ON OUR NAMED EXECUTIVE OFFICER COMPENSATION”, 2025-2026
#Asset manager % of shares outstanding
1FULLER & THALER ASSET MANAGEMENT, INC. 4.95%
2Simcoe Capital Management, LLC 4.91%
3BlackRock 3.68%
4State Street 3.57%
5PZENA INVESTMENT MANAGEMENT LLC 3.49%
6LSV ASSET MANAGEMENT 3.26%
7Charles Schwab 3.00%
8American Century 2.65%
9GEODE CAPITAL MANAGEMENT, LLC 2.40%
10Northern Trust 0.99%

Reported Koppers Holdings 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.

Koppers Holdings Inc. holdings and ownership disclosed for the 2025-2026 proxy season
Holder % outstanding Disclosure
BlackRock 15.84% 13F
Vanguard Group 8.01% 13F
Simcoe Capital Management, LLC 7.02% 13D
Dimensional Fund Advisors 6.20% 13F
Fuller & Thaler Asset Management, Inc. 5.09% 13G
Leroy M. Ball 4.06% DEF14A
State Street 3.91% 13F
Charles Schwab 2.49% 13F
Two Sigma 2.17% 13F
Northern Trust 1.27% 13F

Percentages above are of 19,230,000 shares outstanding, as reported by Koppers Holdings Inc. on its Form 10-Q dated March 31, 2026 (see the filing on EDGAR). This is the count contemporaneous with the 2025-2026 meeting, not today’s. Each holding is as of its own filing, which may be dated before or after the meeting.

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 Koppers Holdings Inc.’s 10-Q dated March 31, 2026. This page is a static snapshot rebuilt weekly on October 18, 2026; a live search always shows the current data.

At Koppers Holdings Inc.'s shareholder meeting held May 7, 2026, in the 2025-2026 proxy season, 250 asset managers reported how they voted on 11 ballot items in their SEC Form N-PX filings, covering 3,044 separate fund positions. On the most widely held item on that ballot — PROPOSAL TO APPROVE AN ADVISORY RESOLUTION ON OUR NAMED EXECUTIVE OFFICER COMPENSATION — Koppers Holdings Inc.'s filing reports the proposal as approved, with 99% 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: Koppers Holdings Inc.'s Form 8-K, Item 5.07, filed with the U.S. Securities and Exchange Commission on May 8, 2026.

Koppers Holdings Inc. proxy season coverage: 2023-2024 · 2024-2025 · 2025-2026 (this page).

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