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KOPPERS HOLDINGS INC (KOP)
Institutional ownership, SEC filings and insider activity
Sector: Other · SEC CIK 0001315257 · EDGAR filings · Updated 2026-06-23
KOPPERS HOLDINGS INC (KOP) has reported institutional ownership of 99.3%, with 204 institutional managers holding positions valued at $738.0M per the latest 13F reporting period.
Institutional ownership
99.3%
Institutional managers
204
Reported 13F value
$738.0M
Insider activity
74 trans.
−$400.3K net selling
Latest updates
- 2026-06-23 — Insider transaction reported (Form 4)
- 2026-06-17 — Insider transaction reported (Form 4)
- 2026-06-17 — Insider transaction reported (Form 4)
- 2026-06-17 — Insider transaction reported (Form 4)
- 2026-06-17 — Insider transaction reported (Form 4)
- 2026-06-15 — Insider transaction reported (Form 4)
Institutional ownership overview
According to SEC 13F filings tracked by Sightfile, KOPPERS HOLDINGS INC has 204 institutional holders and institutional ownership of 99.3%.
Insider activity
Insiders reported 74 transactions (0 buys, 5 sells) across 15 reporting insiders, with a net reported value of −$400.3K.
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See full history, cross-references and alerts on SightfileSightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-06-23.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-06-23.