LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM

Reporting ownerCIK 0001229771

M. Leroy Ball

37 transactions in 2 companies, from November 19, 2025 to August 31, 2026.

Transactions: 372 companies
Bought · P: $0open market
Sold · S: $1.1Mopen market
Net: −$1.1Mnet selling

By company

Where this insider traded.

Company	Ticker	Trades	Bought	Sold
Koppers Holdings Inc.	KOP	34	—	$1.1M
ATI INC	ATI	3	—	—

All transactions

37 in total, newest filings first.

Company	Ticker	Insider	Date	Code	Shares	Price	Value
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Aug 31	G	200	$0.00	—
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Aug 31	S	4,000	$45.96	$184K
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Aug 19	S	3,000	$45.84	$138K
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Jun 18	S	3,412	$43.90	$150K
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Jun 11	G	300	$0.00	—
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Jun 11	S	4,141	$41.34	$171K
ATI INC	ATI	M. Leroy BallDir	May 19	A	905	$0.00	—
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	May 13	S	2,659	$42.55	$113K
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Mar 17	G	1,200	$0.00	—
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Mar 17	S	2,489	$37.91	$94K
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Mar 2	G	325	$0.00	—
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Mar 2	S	3,763	$37.02	$139K
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Mar 2	S	328	$37.45	$12K
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Mar 2	S	2,184	$36.53	$80K
Koppers Holdings Inc.	KOP	M. Leroy BallCEODERIV	Feb 26	M	1,215	$0.00	—?
Koppers Holdings Inc.	KOP	M. Leroy BallCEODERIV	Feb 26	A	1,215	$0.00	—?
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Feb 26	F	22,236	$37.24	$828K
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Feb 26	M	1,215	$0.00	—
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Feb 26	A	50,025	$0.00	—
Koppers Holdings Inc.	KOP	M. Leroy BallCEODERIV	Feb 18	M	30,728	$0.00	—?
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Feb 18	F	22,282	$35.06	$781K
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Feb 18	M	30,728	$18.11	$556K
ATI INC	ATI	M. Leroy BallDir	Feb 17	G	350	$0.00	—
Koppers Holdings Inc.	KOP	M. Leroy BallCEODERIV	Feb 10	M	30,000	$0.00	—?
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Feb 10	F	22,241	$33.20	$738K
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Feb 10	M	30,000	$18.11	$543K
Koppers Holdings Inc.	KOP	M. Leroy BallCEODERIV	Jan 5	M	2,056	$0.00	—?
Koppers Holdings Inc.	KOP	M. Leroy BallCEODERIV	Jan 5	M	64,634	$0.00	—?
Koppers Holdings Inc.	KOP	M. Leroy BallCEODERIV	Jan 2	A	519	$0.00	—?
Koppers Holdings Inc.	KOP	M. Leroy BallCEODERIV	Jan 2	A	12,360	$0.00	—?
Koppers Holdings Inc.	KOP	M. Leroy BallCEODERIV	Jan 2	A	15,972	$0.00	—?
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Jan 5	F	39,811	$26.93	$1.1M
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Jan 5	M	2,056	$0.00	—
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Jan 5	M	64,634	—	—
Koppers Holdings Inc.	KOP	M. Leroy BallCEO	Jan 5	A	27,152	$0.00	—
Koppers Holdings Inc.	KOP	M. Leroy BallCEODERIV	Dec 16	A	1,087	$0.00	—?
ATI INC	ATI	M. Leroy BallDir	Nov 19	G	185	$0.00	—