KOP · Koppers Holdings Inc.
← all insidersLumber & Wood Products (No Furniture) · Listed on NYSE
Open-market insider flow over 30d · 90d · 180d · 365d · filter in table · CSV · JSON
Open-market trades8
Distinct insiders4
Bought$0
Sold$5.01M
Net flow$-5.01M
Recent filings
How to read this
- Filed
- Date the Form 4 was filed with the SEC. Insiders must file within 2 business days of the trade.
- Ticker
- The issuer's stock symbol. Select it to open that company's insider-activity page.
- Issuer
- The company whose shares were traded.
- Sector
- The issuer's industry (SEC SIC classification). Select a value to filter to that sector.
- Insider
- The reporting person: an officer, director, or 10% owner. Select a name to see all of their trades.
- Role
- The insider's relationship to the company: director, officer, or 10% owner.
- Code
- SEC transaction code describing the kind of transaction. Full official definitions are under “Transaction codes” below. A dot marks an open-market trade (P/S), the highest-conviction signal.
- Side
- Direction of the trade, from the filing's Acquired (A) ▲ / Disposed of (D) ▼ field: a buy or a sell.
- 10b5-1
- Trade made under a pre-arranged Rule 10b5-1 plan: scheduled in advance, not a discretionary decision (generally lower signal).
- Shares
- Number of shares in this transaction.
- Price
- Reported price per share. Blank for grants, gifts, and other trades with no stated price.
- Value
- Transaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ for their impact).
- Owned after
- Form 4 column “Amount of Securities Beneficially Owned Following Reported Transaction(s)”: shares the insider held (directly or indirectly) immediately after this trade.
- Own Δ
- How much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing.
- Co. Δ
- Change in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake. Based on the latest reported shares outstanding; blank when unavailable.
- D/I
- Form 4 column “Ownership Form: Direct (D) or Indirect (I)”. Indirect holdings (for example, through a trust, fund, or family member) are detailed in the filing's “Nature of Indirect Beneficial Ownership.”
- Lag
- Days from the trade date to the filing date (Form 4 is due within 2 business days).
Transaction codes
Verbatim from the SEC's General Instructions for Forms 3, 4 and 5.
- P
- Open market or private purchase of non-derivative or derivative security
- S
- Open market or private sale of non-derivative or derivative security
- A
- Grant, award or other acquisition pursuant to Rule 16b-3(d)
- D
- Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e)
- F
- Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3
- M
- Exercise or conversion of derivative security exempted pursuant to Rule 16b-3
- G
- Bona fide gift
- C
- Conversion of derivative security
- X
- Exercise of in-the-money or at-the-money derivative security
- J
- Other acquisition or disposition (describe transaction)
| Filed ↓Date the Form 4 was filed with the SEC (due within 2 business days of the trade). | Insider | Role | CodeSEC transaction code describing the kind of transaction. See “How to read this” above for the official SEC definition of each code. The dot marks an open-market trade (P/S). | SideDirection of the trade: a buy (acquired ▲) or a sell (disposed ▼). | Shares | PriceReported price per share. Blank for trades with no stated price. | ValueTransaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ). | Owned afterShares the insider held (directly or indirectly) immediately after this trade. | Own ΔHow much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing. | Co. ΔChange in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake in the company. Based on the latest reported shares outstanding; blank when unavailable. | Link to SEC filing |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-01 | BALL M LEROY | Director, Officer (CEO) | G | ▼ sell | 2000 | — | — | 429,355 | −<0.1% | −<0.01% (now 2.3%) | filing |
| 2026-09-01 | BALL M LEROY | Director, Officer (CEO) | S | ▼ sell | 4,0000 | $45.96 | $183.8K | 429,555 | −0.9% | −0.02% (now 2.3%) | filing |
| 2026-08-20 | BALL M LEROY | Director, Officer (CEO) | S | ▼ sell | 3,0000 | $45.84 | $137.5K | 433,555 | −0.7% | −0.02% (now 2.3%) | filing |
| 2026-08-13 | Lucas Stephen G | Officer (SVP, Culture and Engagement) | S | ▼ sell | 1,3080 | $44.55 | $58.3K | 34,345 | −4% | −<0.01% (now 0.18%) | filing |
| 2026-08-12 | Sullivan James A. | Officer (President and CTO) | S | ▼ sell | 7,5000 | $50.00 | $375.0K | 82,898 | −8% | −0.04% (now 0.44%) | filing |
| 2026-08-11 | Pearce Bradley A | Officer (CAO) | S | ▼ sell | 2,0000 | $51.01 | $102.0K | 41,037 | −5% | −0.01% (now 0.22%) | filing |
| 2026-08-11 | Sullivan James A. | Officer (President and CTO) | S | ▼ sell | 1000 | $51.22 | $5.1K | 90,398 | −0.1% | −<0.01% (now 0.48%) | filing |
| 2026-08-11 | Sullivan James A. | Officer (President and CTO) | S | ▼ sell | 79,9000 | $50.01 | $4.00M | 90,498 | −47% | −0.42% (now 0.48%) | filing |
| 2026-06-23 | BALL M LEROY | Director, Officer (CEO) | S | ▼ sell | 3,4120 | $43.90 | $149.8K | 436,243 | −0.8% | −0.02% (now 2.3%) | filing |
| 2026-06-17 | Sandifer Andrew D | Director | A | ▲ buy | 14→ 14 Common Stock | — | — | 103 | — | — | filing |
| 2026-06-17 | MOTLEY DAVID L | Director | A | ▲ buy | 21→ 21 Common Stock | — | — | 296 | — | — | filing |
| 2026-06-17 | WILKERSON SONJA MICHELLE | Director | A | ▲ buy | 30→ 30 Common Stock | — | — | 356 | — | — | filing |
| 2026-06-17 | Feng Xudong | Director | A | ▲ buy | 34→ 34 Common Stock | — | — | 412 | — | — | filing |
| 2026-06-15 | BALL M LEROY | Director, Officer (CEO) | G | ▼ sell | 3000 | — | — | 439,655 | −<0.1% | −<0.01% (now 2.3%) | filing |
| 2026-06-15 | BALL M LEROY | Director, Officer (CEO) | S | ▼ sell | 4,1410 | $41.34 | $171.2K | 439,955 | −0.9% | −0.02% (now 2.3%) | filing |
| 2026-06-04 | Feng Xudong | Director | G | ▼ sell | 5,6950 | — | — | 26,489 | −18% | −0.03% (now 0.14%) | filing |
| 2026-05-27 | Brenner Eric D. | Officer (CFO and Treasurer) | A | ▲ buy | 6,6200 | — | — | 6,620 | new | +0.04% (now 0.04%) | filing |
| 2026-05-14 | Pearce Bradley A | Officer (Interim CFO and CAO) | A | ▲ buy | 5,0000 | — | — | 43,037 | +13% | +0.03% (now 0.23%) | filing |
| 2026-05-14 | BALL M LEROY | Director, Officer (CEO) | S | ▼ sell | 2,6590 | $42.55 | $113.1K | 444,096 | −0.6% | −0.01% (now 2.3%) | filing |
| 2026-05-11 | Posadas Laura J | Director | M | ▼ sell | 11→ 11 Common Stock | — | — | 0 | — | — | filing |
| 2026-05-11 | Posadas Laura J | Director | A | ▲ buy | 3,2800 | — | — | 5,531 | 2.5× | +0.02% (now 0.03%) | filing |
| 2026-05-11 | Posadas Laura J | Director | M | ▲ buy | 110 | — | — | 2,251 | +0.5% | +<0.01% (now 0.01%) | filing |
| 2026-05-11 | Sandifer Andrew D | Director | A | ▲ buy | 3,280→ 3,280 Common Stock | — | — | 10,137 | — | — | filing |
| 2026-05-11 | MOTLEY DAVID L | Director | A | ▲ buy | 3,280→ 3,280 Common Stock | — | — | 13,198 | — | — | filing |
| 2026-05-11 | MOTLEY DAVID L | Director | M | ▼ sell | 50→ 50 Common Stock | — | — | 276 | — | — | filing |
| 2026-05-11 | MOTLEY DAVID L | Director | M | ▲ buy | 500 | — | — | 22,044 | +0.2% | +<0.01% (now 0.12%) | filing |
| 2026-05-11 | Vartanian Nishan J. | Director | M | ▼ sell | 50→ 50 Common Stock | — | — | 0 | — | — | filing |
| 2026-05-11 | Vartanian Nishan J. | Director | A | ▲ buy | 3,2800 | — | — | 10,664 | +44% | +0.02% (now 0.06%) | filing |
| 2026-05-11 | Vartanian Nishan J. | Director | M | ▲ buy | 500 | — | — | 7,384 | +0.7% | +<0.01% (now 0.04%) | filing |
| 2026-05-11 | WILKERSON SONJA MICHELLE | Director | A | ▲ buy | 3,280→ 3,280 Common Stock | — | — | 17,976 | — | — | filing |
| 2026-05-11 | NEUPAVER ALBERT J | Director | M | ▼ sell | 50→ 50 Common Stock | — | — | 0 | — | — | filing |
| 2026-05-11 | NEUPAVER ALBERT J | Director | M | ▲ buy | 500 | — | — | 83,834 | +<0.1% | +<0.01% (now 0.44%) | filing |
| 2026-05-11 | JENSEN TRACI L | Director | M | ▼ sell | 50→ 50 Common Stock | — | — | 0 | — | — | filing |
| 2026-05-11 | JENSEN TRACI L | Director | A | ▲ buy | 3,2800 | — | — | 35,339 | +10% | +0.02% (now 0.19%) | filing |
| 2026-05-11 | JENSEN TRACI L | Director | M | ▲ buy | 500 | — | — | 32,059 | +0.2% | +<0.01% (now 0.17%) | filing |
| 2026-05-11 | Feng Xudong | Director | A | ▲ buy | 3,2800 | — | — | 32,184 | +11% | +0.02% (now 0.17%) | filing |
| 2026-03-25 | Posadas Laura J | Director | A | ▲ buy | 11→ 11 Common Stock | — | — | 11 | — | — | filing |
| 2026-03-25 | Sandifer Andrew D | Director | A | ▲ buy | 5→ 5 Common Stock | — | — | 89 | — | — | filing |
| 2026-03-25 | Sandifer Andrew D | Director | A | ▲ buy | 50→ 50 Common Stock | — | — | 84 | — | — | filing |
| 2026-03-25 | MOTLEY DAVID L | Director | A | ▲ buy | 25→ 25 Common Stock | — | — | 326 | — | — | filing |
| 2026-03-25 | MOTLEY DAVID L | Director | A | ▲ buy | 50→ 50 Common Stock | — | — | 300 | — | — | filing |
| 2026-03-25 | Vartanian Nishan J. | Director | A | ▲ buy | 50→ 50 Common Stock | — | — | 50 | — | — | filing |
| 2026-03-25 | WILKERSON SONJA MICHELLE | Director | A | ▲ buy | 25→ 25 Common Stock | — | — | 326 | — | — | filing |
| 2026-03-25 | WILKERSON SONJA MICHELLE | Director | A | ▲ buy | 50→ 50 Common Stock | — | — | 300 | — | — | filing |
| 2026-03-25 | NEUPAVER ALBERT J | Director | A | ▲ buy | 50→ 50 Common Stock | — | — | 50 | — | — | filing |
| 2026-03-25 | JENSEN TRACI L | Director | A | ▲ buy | 50→ 50 Common Stock | — | — | 50 | — | — | filing |
| 2026-03-25 | Feng Xudong | Director | A | ▲ buy | 30→ 30 Common Stock | — | — | 378 | — | — | filing |
| 2026-03-25 | Feng Xudong | Director | A | ▲ buy | 50→ 50 Common Stock | — | — | 348 | — | — | filing |
Up to 200 most recent filings · select a heading to sort, or open “How to read this” above for definitions · this company on SEC EDGAR.