Koppers Holdings’ third-quarter adjusted EPS of $0.77 came in approximately 43% below Wall Street consensus, and KOP shares fell as the market reacted to the earnings shortfall and reduced full-year guidance. An investigation into potential securities law violations is now underway.

NEW YORK, Nov. 13, 2026 /PRNewswire/ — Koppers Holdings Inc. (NYSE: KOP) missed Wall Street’s third-quarter adjusted EPS estimates by as much as $0.60 per share, reporting adjusted EPS of $0.77 against consensus estimates ranging from $1.34 to $1.37. KOP shares fell following the earnings announcement. If you bought KOP shares and are now holding a loss, you may be able to seek a recovery. Shareholders who lost money are encouraged to  submit your KOP loss details now . You can also reach Joseph E. Levi, Esq. at jlevi@levikorsinsky.com  or (212) 363-7500.

Revenue also came in below estimates. Koppers reported third-quarter revenue of $499.1 million, compared with analyst estimates ranging from approximately $514.6 million to $519.7 million, representing a shortfall of approximately $15.5 million to $20.6 million.

Financial reporting following the November 6 announcement highlighted both the revenue and earnings misses, as well as the Company’s reduction in its fiscal 2026 outlook. These developments coincided with a decline in KOP shares. Levi & Korsinsky is investigating potential securities law violations on behalf of KOP investors who suffered losses.

KOP investors who lost money after the third-quarter miss can request a KOP loss review  or call (212) 363-7500 today.

ABOUT THE FIRM  — For over two decades, Levi & Korsinsky has represented shareholders in securities class actions. Ranked in ISS Top 50 for seven consecutive years.

Frequently Asked Questions About the KOP Investigation

Q: How much did KOP stock drop?  A: KOP shares fell following Koppers Holdings’ November 6, 2026 third-quarter earnings announcement. The Company reported adjusted EPS of $0.77, compared with analyst estimates of approximately $1.32 to $1.37, and revenue of $499.1 million, compared with estimates of approximately $514.6 million to $519.7 million. Investors who purchased shares at allegedly inflated prices and suffered losses may be eligible to seek compensation.

Q: When did Koppers Holdings allegedly mislead investors?  A: The investigation concerns statements made before the third-quarter results that allegedly caused investors to purchase KOP securities at inflated prices.

Q: Who is eligible to participate in the KOP investigation?  A: Investors who purchased KOP stock or securities and suffered financial losses may be eligible. Eligibility is based on purchase date and documented losses — not on whether you still hold the shares.

Q: What do KOP investors need to do right now?  A: Investors may gather brokerage records showing purchase dates, share quantities, and prices paid. Submit your information for a no-cost, no-obligation evaluation of your potential recovery . No immediate action is required to remain eligible to participate in the investigation.

Q: What documents do I need to participate?  A: Brokerage statements or trade confirmations showing purchase dates, share quantities, prices paid, and any subsequent sale dates and prices.

Q: What if I already sold my KOP shares — can I still recover losses?  A: Yes. Eligibility is based on when you purchased, not whether you still hold the shares. Investors who bought KOP and sold at a loss may still participate in the investigation.

Q: Do I need to go to court or give testimony?  A: No. Participating in the investigation does not require court appearances or depositions. If legal action is later pursued, the overwhelming majority of affected investors never appear in court either.

Q: What does it cost me to participate?  A: There is no upfront cost to submit your information and review whether you may be eligible to recover. Should you choose to participate in any resulting action, these matters are generally handled on a contingency basis, with any attorneys’ fees and expenses subject to court approval.

CONTACT:
Levi & Korsinsky, LLP
Joseph E. Levi, Esq.
Ed Korsinsky, Esq.
33 Whitehall Street, 27th Floor
New York, NY 1000
jlevi@levikorsinsky.com
Tel: (212) 363-7500
Fax: (212) 363-7171

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SOURCE Levi & Korsinsky, LLP