Koppers Holdings Inc. (KOP) insider trading.
In Q3 2026, insiders at Koppers Holdings Inc. reported 8 non-derivative transactions on 10 Forms 3, 4 and 5: 0 open-market purchases and 7 sales worth $4.9M.
- Transactions
- 8
- Purchases (P)
- 0
- Sales (S)
- 7
- Net shares, P minus S
- -97,808
- Insiders
- 4
- Last filed
- 2026-09-01
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Ball M Leroy | Director, Officer · CEO | 3 | 0 | 2 |
| Sullivan James A. | Officer · President and CTO | 3 | 0 | 3 |
| Lucas Stephen G | Officer · SVP, Culture and Engagement | 1 | 0 | 1 |
| Pearce Bradley A | Officer · CAO | 1 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-31 | Ball M Leroy | S (D) | 4,000 | $45.96 | 429,555 | Form 4 |
| 2026-08-31 | Ball M Leroy | G (D) | 200 | $0 | 429,355 | Form 4 |
| 2026-08-19 | Ball M Leroy | S (D) | 3,000 | $45.84 | 433,555 | Form 4 |
| 2026-08-12 | Lucas Stephen G | S (D) | 1,308 | $44.55 | 34,345 | Form 4 |
| 2026-08-11 | Sullivan James A. | S (D) | 7,500 | $50 | 82,898 | Form 4 |
| 2026-08-10 | Pearce Bradley A | S (D) | 2,000 | $51.01 | 41,037 | Form 4 |
| 2026-08-07 | Sullivan James A. | S (D) | 79,900 | $50.01 | 90,498 | Form 4 |
| 2026-08-07 | Sullivan James A. | S (D) | 100 | $51.22 | 90,398 | Form 4 |
Transaction codes in this quarter
Get KOP insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1315257&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · KOP company page · Koppers Holdings Inc. on SEC.gov
Questions
Are insiders buying or selling Koppers Holdings Inc. (KOP)?
In Q3 2026, insiders at Koppers Holdings Inc. reported 8 non-derivative transactions on 10 Forms 3, 4 and 5: 0 open-market purchases and 7 sales worth $4.9M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Koppers Holdings Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/kop.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.