Koppers Holdings Inc.KOP

1 13D/G filings 1 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings

1 SCHEDULE 13D

Distinct filers

single filer

Insiders (365d)

0 buys · 0 sales

Latest short DTC

6.26

as of 2026-04-30

Held by elite portfolio managers

1 holder · $951K

Point72 Asset Mgmt

Filed	Form	Filer	Stake	Shares	Intent
2026-05-19	SCHEDULE 13D	Simcoe Capital Management, LLC	7.00%	1,349,005		view →

Settlement	Short Interest	Days to Cover	% Δ vs prior
2026-04-30	861,708	6.26	+15.8%
2026-04-15	743,863	4.56	+4.7%
2026-03-31	710,835	2.29	-24.8%
2026-03-13	945,738	3.12	+1.3%
2026-02-27	933,491	5.43	-10.8%
2026-02-13	1,046,320	6.08	-7.7%
2026-01-30	1,133,304	9.42	+10.1%
2026-01-15	1,029,377	7.52	+21.4%
2025-12-31	848,204	5.81	+4.9%
2025-12-15	808,495	6.16	-36.4%

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