Insider · CIK 0001569571
Jianzhong Zhu
Files at: KOP. On EDGAR ↗
Reported trades — common stock
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Mar 2, 2018 AMForm 4 → | Mar 6, 7:13 pm EST | Koppers Holdings Inc.KOP | 4,442 | — | — | 732 | — | |
| Mar 3, 2017 AMForm 4 → | Mar 7, 6:45 pm EST | Koppers Holdings Inc.KOP | 6,579 | — | — | 3,604 | — | |
| Mar 1, 2016 AForm 4 → | Mar 2, 5:06 pm EST | Koppers Holdings Inc.KOP | 8,685 | — | — | 8,685 | — | |
| Mar 3, 2015 AForm 4 → | Mar 5, 11:53 am EST | Koppers Holdings Inc.KOP | 12,832 | — | — | 12,832 | — |