Stocks / KOP / Shares Outstanding

Koppers Holdings Inc. Shares Outstanding 2008–2025

Koppers Holdings Inc. reported 19.5M of shares outstanding for fiscal 2025. That was 4.1% lower than fiscal 2024. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components.

Latest filed value
19.5M
One-year change
-4.1%
Change since 2020
Latest period end
2025-12-31
Koppers Holdings Inc. Shares Outstanding history from 2008 to 2025FY 2008: 21097000FY 2009: 21124000FY 2010: 21278000FY 2011: 21309000FY 2012: 21585000FY 2013: 21722000FY 2014: 0FY 2015: 0FY 2016: 0FY 2017: 0FY 2018: 0FY 2019: 0FY 2020: 0FY 2021: 21096000FY 2022: 20763000FY 2023: 20860000FY 2024: 20281000FY 2025: 19456000
Annual filed history. Hover chart points for raw values; the accessible table below is the source of record.
Fiscal yearShares OutstandingChange (YoY)
FY 202519.5M-4.1%
FY 202420.3M-2.8%
FY 202320.9M+0.5%
FY 202220.8M-1.6%
FY 202121.1M
FY 20200.0M
FY 20190.0M
FY 20180.0M
FY 20170.0M
FY 20160.0M
FY 20150.0M
FY 20140.0M-100.0%
FY 201321.7M+0.6%
FY 201221.6M+1.3%
FY 201121.3M+0.1%
FY 201021.3M+0.7%
FY 200921.1M+0.1%
FY 200821.1M

Source: Koppers Holdings Inc. SEC filings — balance sheet (10-K), split-adjusted. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open KOP 10-K filings at SEC EDGAR · Methodology · Download CSV.

How to read this history

Koppers Holdings Inc. reported 19.5M of shares outstanding for fiscal 2025. That was 4.1% lower than fiscal 2024. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.

Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.

See the full picture for Koppers Holdings Inc.

Complete income statement, balance sheet and cash flow with trend on every row, 48 quarters, ratios, health checks, and Ask — the SEC-grounded research assistant.

Open the interactive view — free

Koppers Holdings Inc. — frequently asked questions

What is Koppers Holdings Inc.'s shares outstanding?

Koppers Holdings Inc. (KOP) reported shares outstanding of 19.5M for fiscal year 2025, per its SEC filings.

How has Koppers Holdings Inc.'s shares outstanding changed over time?

Between fiscal 2008 and 2025, KOP's shares outstanding declined at roughly 0.5% per year (compound annual rate), from 21.1M to 19.5M.

Where does this data come from?

Figures are computed from Koppers Holdings Inc.'s official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.

More KOP financial history

Full KOP fundamentals page → · Analyze shares outstanding with a free tool → · Research guide & leaders → · All 1,500+ companies →