Leroy M. Ball owns 2.27% of Koppers Holdings
429,355 shares as of the August 31, 2026 filing, worth $18.6M at the latest close.
KOP · $819M market capGet an email when Leroy M. Ball’s stake moves.
Free.
The stake
2.27%
worth $18.6M at the latest close
Stake rank
#1,287
by dollar value of the stake
Last sale
49 days ago
Aug 31, 2026
Last buy
2,866 days ago
Dec 14, 2018 · $102,200
Leroy M. Ball owns 2.27% of Koppers Holdings Inc.: 429,355 of 18,911,568 shares, worth about $18.6M at the 2026-10-16 close. The stake has moved from 0.25% in 2016 to 2.27% on 2026-08-31, across 19 sales and 4 purchases that moved it since 2016. The last trade that moved it was a discretionary sale of $183,840 on 2026-08-31.
How the stake is held
as of the Aug 31, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Aug 31, 2026 · Form 4 ↗
HELD DIRECTLY
429,355
100.0%
THE STAKE
429,355
2.27%