investing-statsSEC Form 4 insider transactions

KOP · Koppers Holdings Inc.

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Lumber & 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)
Recent Form 4 filings for KOP
FiledDate the Form 4 was filed with the SEC (due within 2 business days of the trade).InsiderRoleCodeSEC 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 ▼).SharesNumber of shares in this transaction.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
2026-09-01BALL M LEROYDirector, Officer (CEO)G sell2000429,355−<0.1%−<0.01% (now 2.3%)filing
2026-09-01BALL M LEROYDirector, Officer (CEO)S sell4,0000$45.96$183.8K429,555−0.9%−0.02% (now 2.3%)filing
2026-08-20BALL M LEROYDirector, Officer (CEO)S sell3,0000$45.84$137.5K433,555−0.7%−0.02% (now 2.3%)filing
2026-08-13Lucas Stephen GOfficer (SVP, Culture and Engagement)S sell1,3080$44.55$58.3K34,345−4%−<0.01% (now 0.18%)filing
2026-08-12Sullivan James A.Officer (President and CTO)S sell7,5000$50.00$375.0K82,898−8%−0.04% (now 0.44%)filing
2026-08-11Pearce Bradley AOfficer (CAO)S sell2,0000$51.01$102.0K41,037−5%−0.01% (now 0.22%)filing
2026-08-11Sullivan James A.Officer (President and CTO)S sell1000$51.22$5.1K90,398−0.1%−<0.01% (now 0.48%)filing
2026-08-11Sullivan James A.Officer (President and CTO)S sell79,9000$50.01$4.00M90,498−47%−0.42% (now 0.48%)filing
2026-06-23BALL M LEROYDirector, Officer (CEO)S sell3,4120$43.90$149.8K436,243−0.8%−0.02% (now 2.3%)filing
2026-06-17Sandifer Andrew DDirectorA buy14 14 Common Stock103filing
2026-06-17MOTLEY DAVID LDirectorA buy21 21 Common Stock296filing
2026-06-17WILKERSON SONJA MICHELLEDirectorA buy30 30 Common Stock356filing
2026-06-17Feng XudongDirectorA buy34 34 Common Stock412filing
2026-06-15BALL M LEROYDirector, Officer (CEO)G sell3000439,655−<0.1%−<0.01% (now 2.3%)filing
2026-06-15BALL M LEROYDirector, Officer (CEO)S sell4,1410$41.34$171.2K439,955−0.9%−0.02% (now 2.3%)filing
2026-06-04Feng XudongDirectorG sell5,695026,489−18%−0.03% (now 0.14%)filing
2026-05-27Brenner Eric D.Officer (CFO and Treasurer)A buy6,62006,620new+0.04% (now 0.04%)filing
2026-05-14Pearce Bradley AOfficer (Interim CFO and CAO)A buy5,000043,037+13%+0.03% (now 0.23%)filing
2026-05-14BALL M LEROYDirector, Officer (CEO)S sell2,6590$42.55$113.1K444,096−0.6%−0.01% (now 2.3%)filing
2026-05-11Posadas Laura JDirectorM sell11 11 Common Stock0filing
2026-05-11Posadas Laura JDirectorA buy3,28005,5312.5×+0.02% (now 0.03%)filing
2026-05-11Posadas Laura JDirectorM buy1102,251+0.5%+<0.01% (now 0.01%)filing
2026-05-11Sandifer Andrew DDirectorA buy3,280 3,280 Common Stock10,137filing
2026-05-11MOTLEY DAVID LDirectorA buy3,280 3,280 Common Stock13,198filing
2026-05-11MOTLEY DAVID LDirectorM sell50 50 Common Stock276filing
2026-05-11MOTLEY DAVID LDirectorM buy50022,044+0.2%+<0.01% (now 0.12%)filing
2026-05-11Vartanian Nishan J.DirectorM sell50 50 Common Stock0filing
2026-05-11Vartanian Nishan J.DirectorA buy3,280010,664+44%+0.02% (now 0.06%)filing
2026-05-11Vartanian Nishan J.DirectorM buy5007,384+0.7%+<0.01% (now 0.04%)filing
2026-05-11WILKERSON SONJA MICHELLEDirectorA buy3,280 3,280 Common Stock17,976filing
2026-05-11NEUPAVER ALBERT JDirectorM sell50 50 Common Stock0filing
2026-05-11NEUPAVER ALBERT JDirectorM buy50083,834+<0.1%+<0.01% (now 0.44%)filing
2026-05-11JENSEN TRACI LDirectorM sell50 50 Common Stock0filing
2026-05-11JENSEN TRACI LDirectorA buy3,280035,339+10%+0.02% (now 0.19%)filing
2026-05-11JENSEN TRACI LDirectorM buy50032,059+0.2%+<0.01% (now 0.17%)filing
2026-05-11Feng XudongDirectorA buy3,280032,184+11%+0.02% (now 0.17%)filing
2026-03-25Posadas Laura JDirectorA buy11 11 Common Stock11filing
2026-03-25Sandifer Andrew DDirectorA buy5 5 Common Stock89filing
2026-03-25Sandifer Andrew DDirectorA buy50 50 Common Stock84filing
2026-03-25MOTLEY DAVID LDirectorA buy25 25 Common Stock326filing
2026-03-25MOTLEY DAVID LDirectorA buy50 50 Common Stock300filing
2026-03-25Vartanian Nishan J.DirectorA buy50 50 Common Stock50filing
2026-03-25WILKERSON SONJA MICHELLEDirectorA buy25 25 Common Stock326filing
2026-03-25WILKERSON SONJA MICHELLEDirectorA buy50 50 Common Stock300filing
2026-03-25NEUPAVER ALBERT JDirectorA buy50 50 Common Stock50filing
2026-03-25JENSEN TRACI LDirectorA buy50 50 Common Stock50filing
2026-03-25Feng XudongDirectorA buy30 30 Common Stock378filing
2026-03-25Feng XudongDirectorA buy50 50 Common Stock348filing

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.