CFO and Treasurer · Koppers Holdings Inc. · Common Stock
Side
A
Value
—
Shares
6,620
Price
—
Executed
May 26, 2026
Disclosed
May 27, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
May 26 executedMay 27, 2026 disclosed
KOP · daily
Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.
Grant or award — administrative, little informational value
Relative size+1 / 25
No reported dollar value · new position
Filing timing0 / 15
Disclosed 1 business day after execution (deadline: 2)
Historical behavior+8 / 15
First recorded trade by this actor in this security
Frequency & clustering0 / 15
No clustered activity in the dataset
Market events0 / 10
No material company filing within 60 days after the trade
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
Brenner Eric D. filed this Form 4 reporting a grant or award of KOP on May 26, 2026. It became public on May 27, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
Extraction
Method
Form 4 XML
Confidence
1.00
CFO and Treasurer
Brenner Eric D.cik:0002136316
Issuer
Koppers Holdings Inc.cik:0001315257
Revision history · 0
No field has changed since this record was first ingested.
