KOP insider buying and SEC filings, explained
Koppers Holdings Inc. · CIK 1315257
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Lumber & Wood Products (No Furniture)
- State of incorporation
- PA
- Fiscal year end
- Dec 31
- Former names
- KI Holdings Inc.
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$5.6M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 31, 2026 | Sale | M. Leroy Ball (CEO and Director) sold 4,000 shares at $45.96 ($184K). Holdings down 1% to 429,555 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 1, 2026 |
| Aug 19, 2026 | Sale | M. Leroy Ball (CEO and Director) sold 3,000 shares at $45.84 ($138K). Holdings down 1% to 433,555 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 20, 2026 |
| Aug 12, 2026 | Sale | Stephen G Lucas (SVP, Culture and Engagement) sold 1,308 shares at about $44.55 ($58K). Holdings down 4% to 34,345 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 13, 2026 |
| Aug 11, 2026 | Sale | James A. Sullivan (President / COO) sold 7,500 shares at $50.00 ($375K). Holdings down 8% to 82,898 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 12, 2026 |
| Aug 10, 2026 | Sale | Bradley A Pearce (CAO) sold 2,000 shares at $51.01 ($102K). Holdings down 5% to 41,037 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 11, 2026 |
| Aug 7, 2026 | Sale | James A. Sullivan (President / COO) sold 80,000 shares at about $50.01 ($4.0M). Holdings down 47% to 90,398 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 11, 2026 |
| Jun 18, 2026 | Sale | M. Leroy Ball (CEO and Director) sold 3,412 shares at $43.90 ($150K). Holdings down 1% to 436,243 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 23, 2026 |
| Jun 11, 2026 | Sale | M. Leroy Ball (CEO and Director) sold 4,141 shares at about $41.34 ($171K). Holdings down 1% to 439,955 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 15, 2026 |
| May 13, 2026 | Sale | M. Leroy Ball (CEO and Director) sold 2,659 shares at $42.55 ($113K). Holdings down 1% to 444,096 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 14, 2026 |
| Mar 17, 2026 | Sale | M. Leroy Ball (CEO and Director) sold 2,489 shares at $37.91 ($94K). Holdings down 1% to 447,459 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 18, 2026 |
| Mar 2, 2026 | Sale | M. Leroy Ball (CEO and Director) sold 6,275 shares at about $36.87 ($231K). Holdings down 1% to 450,273 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
58 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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