SVP, Culture and Engagement · Koppers Holdings Inc. · Common Stock
Side
SELL
Value
$58K
Shares
1,308
Price
$44.55
Executed
Aug 12, 2026
Disclosed
Aug 13, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Aug 12 executedAug 13, 2026 disclosed
KOP · daily
Yahoo Finance chart API
◉This trade, on the day it was made▼Disclosure●Material company filing◯Other disclosed buy◯Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.
Disclosed 1 business day after execution (deadline: 2)
Historical behavior+8 / 15
First recorded trade by this actor in this security
Frequency & clustering+5 / 15
1 other actor traded the same direction within 14 days
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.
Lucas Stephen G filed this Form 4 reporting a open-market sale of KOP on Aug 12, 2026. It became public on Aug 13, 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
SVP, Culture and Engagement
Lucas Stephen Gcik:0001919175
Issuer
Koppers Holdings Inc.cik:0001315257
Revision history · 0
No field has changed since this record was first ingested.
