KOP insider trading
NYSE Basic MaterialsKoppers Holdings Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
About Koppers Holdings Inc.
Koppers Holdings Inc. provides treated wood products, wood preservation chemicals, and carbon compounds in the United States, Australasia, Europe, and internationally. It operates through three segments: Railroad and Utility Products and Services; Performance Chemicals; and Carbon Materials and Chemicals. The company procures and treats crossties, switch ties, and various types of lumber used for railroad bridges and crossings; offers utility products, including pressure treatment of transmission and distribution poles for electric and telephone utilities; untreated wood products and rail joint bars; and provides railroad services, such as engineering, design, repair, and inspection services for railroad bridges. It also provides copper-based wood preservatives comprising micronized copper azole, micronized pigments, alkaline copper quaternary, amine copper azole, dichloro-octyl-isothiazolinone, chromated copper arsenate under the MicroPro and MicroShades brands for decking, fencing, utility poles, construction lumber and timbers, and various agricultural applications; and supplies fire-retardant chemicals under the FlamePro brand for pressure treatment of wood applications. In addition, the company offers creosote for the treatment of wood or as a feedstock in the production of carbon black; carbon pitch, a raw material used in the production of aluminum and steel; naphthalene for use as a feedstock in the production of phthalic anhydride and as a surfactant in the production of concrete; phthalic anhydride for the production of plasticizers, polyester resins, and alkyd paints; and carbon black feedstock. It serves the railroad, specialty chemical, utility, residential lumber, agriculture, aluminum, steel, rubber, and construction sectors. Koppers Holdings Inc. was founded in 1988 and is headquartered in Pittsburgh, Pennsylvania.
Company website: www.koppers.com
KOP insider activity at a glance
FilingIQ has scored 965 insider transactions for KOP since Feb 26, 2002. The most recent filing in our index is dated May 13, 2026.
Across the full history, 35 open-market purchases
and 168 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on KOP insider trades is 59.4/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest KOP Form 4 filings
Most recent disclosures. Sign up to filter by score, transaction code, or insider role.
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13F funds holding KOP
Frequently asked
- How many insider trades does FilingIQ track for KOP?
- FilingIQ tracks 965 Form 4 insider transactions for KOP (Koppers Holdings Inc.), covering filings from Feb 26, 2002 onwards. 74 of those were filed in the last 90 days.
- Are KOP insiders net buyers or net sellers?
- Across the full Form 4 history for KOP, 35 transactions (4%) were open-market purchases and 168 (17%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does KOP insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
- What sector is KOP in?
- Koppers Holdings Inc. (KOP) is classified in the Basic Materials sector, specifically Specialty Chemicals, with a current market capitalisation of $683.04M.
Methodology & sources
Every KOP insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.