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Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Latest filing published 04 Jun 2026 for Koppers Holdings Inc..
Filing timeline
BuySaleXudong Feng
Insider track record
Disclosed buys
0
Disclosed sells
4
Signal history
Xudong Feng: trading record in brief
Xudong Feng (board member) discloses dealings in Koppers Holdings Inc. to SEC (Form 4). We count 23 filings; the first trade dates from 6 May 2009 and the latest from 3 June 2026.
On the market, this insider has only sold: 4 sales, €216k in total. The rest of the record consists of 17 share grants.
The newest entry dates from 4 June 2026: a transaction, in Koppers Holdings Inc. The median gap between a trade and its publication by SEC (Form 4) is 2 days. Section 16 rules allow two business days to file each Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
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Declarations23 total
5,695 shares0Common StockSEC:0001315257-26-000043:0
3,936 shares0Common StockSEC:0001209191-23-048422:0
2,430 shares@ US$24.37100.0% of flowCommon StockSEC:0001127602-22-015448:0
3,078 shares0Common StockSEC:0001209191-21-030842:0
3,752 shares@ US$27.3560.7% of flowCommon StockSEC:0001209191-20-060429:0
8,434 shares0Common StockSEC:0001209191-20-027614:0
2,442 shares@ US$26.9229.5% of flowCommon StockSEC:0001209191-19-048710:0
3,936 shares0Common StockSEC:0001209191-19-027611:0
2,430 shares0Common StockSEC:0001209191-18-028943:0
2,442 shares0Common StockSEC:0001209191-17-037030:0
500 shares@ US$31.796.5% of flowCommon StockSEC:0001209191-16-138405:0
3,752 shares0Common StockSEC:0001209191-16-119756:0
3,195 shares0Common StockSEC:0001181431-15-006983:0
52 shares0Common StockSEC:0001181431-15-006027:0
2,264 shares0Common StockSEC:0001181431-14-019077:0
49 shares0Common StockSEC:0001181431-14-016841:0
2,054 shares0Common StockSEC:0001181431-13-027259:0
55 shares0Common StockSEC:0001181431-13-023112:0
2,138 shares0Common StockSEC:0001181431-12-029590:0
53 shares0Common StockSEC:0001181431-12-025275:0
2,032 shares0Common StockSEC:0001181431-11-029648:0
3,000 shares0Common StockSEC:0001181431-10-025535:0
3,000 shares0Common StockSEC:0001181431-09-023793:0
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