WaveMan
WaveMan · Company
KOP · Koppers Holdings Inc.
> Search tickers & screens ⌘K
LIVE
← All companies

KOP Koppers (KOP) Insider Trading, Ownership & Congress Trades

Materials · Lumber & wood products (no furniture) · CIK 0001315257
Quote by TradingView
Activist 13DForm 144 · 4
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
108
13F, latest reported quarter
Conversions, 180 days
5
Codes C/M, not in net · $0 priced

What the filings say about KOP

Insiders, 180 days
-$5.3M net sold
4 sellers · 0% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$4.5M
4 notices
Activist stakes (13D), 180 days
1 filing
Largest: 7.0% of the class

Koppers insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, Koppers Holdings Inc. insiders sold a net $5.3M of stock across 133 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
BALL M LEROY
CEO
SELL
2026-09-01 SECtraded 2026-08-31
4,000
$183.8K
-14.7%
Context
  • 41 earlier Form 4 trades (code P or S) here by this insider (41 sales), the last on Aug 19, 2026.
  • The trade is 0.9% of the 429,555 shares held after it.
  • 3 other insiders sold within 30 days.
  • 108 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CEO BALL M LEROY sold about $183.8K of KOP on Aug 31, 2026; 3 other insiders sold within 30 days and 108 funds added in the latest 13F quarter.
BALL M LEROY
CEO
SELL
2026-08-20 SECtraded 2026-08-19
3,000
$137.5K
-11.7%
Context
  • 40 earlier Form 4 trades (code P or S) here by this insider (40 sales), the last on Jun 18, 2026.
  • The trade is 0.7% of the 433,555 shares held after it.
  • 3 other insiders sold within 30 days.
  • 108 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CEO BALL M LEROY sold about $137.5K of KOP on Aug 19, 2026; 3 other insiders sold within 30 days and 108 funds added in the latest 13F quarter.
Lucas Stephen G
SVP, Culture and Engagement
SELL
2026-08-13 SECtraded 2026-08-12
1,308
$58.3K
-15.3%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 3.8% of the 34,345 shares held after it.
  • 3 other insiders sold within 30 days.
  • 108 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: SVP, Culture and Engagement Lucas Stephen G sold about $58.3K of KOP on Aug 12, 2026; 3 other insiders sold within 30 days and 108 funds added in the latest 13F quarter.
Sullivan James A.
President and CTO
SELL
2026-08-12 SECtraded 2026-08-11
7,500
$375.0K
-13.7%
Context
  • 37 earlier Form 4 trades (code P or S) here by this insider (37 sales), the last on Aug 7, 2026.
  • The trade is 9.0% of the 82,897 shares held after it.
  • 3 other insiders sold within 30 days.
  • 108 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President and CTO Sullivan James A. sold about $375.0K of KOP on Aug 11, 2026; 3 other insiders sold within 30 days and 108 funds added in the latest 13F quarter.
Pearce Bradley A
CAO
SELL
2026-08-11 SECtraded 2026-08-10
2,000
$102.0K
-12.0%
Context
  • 4 earlier Form 4 trades (code P or S) here by this insider (4 sales), the last on Nov 12, 2024.
  • The trade is 4.9% of the 41,037 shares held after it.
  • 3 other insiders sold within 30 days.
  • 108 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CAO Pearce Bradley A sold about $102.0K of KOP on Aug 10, 2026; 3 other insiders sold within 30 days and 108 funds added in the latest 13F quarter.
133 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 128 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$5.3M over 180 days
-$4.9M over 90 days
below 90% of Materials
Congress
no House purchase disclosed in the last 12 months
Funds
108 funds bought in last quarter
below 52% of Materials
Revenue
-10.2% year over year
below 87% of Materials
Margin
3.0% net margin
more than 54% of Materials
Buybacks
$43.9M repurchased, FY to 2026-06-30
below 56% of Materials
Short interest
4.8% of the float short (float per yahoo 2026-10-26) · 4.5 days to cover · settled 2026-09-30
more than 58% of Materials
The situation: each line is one rule over one dataset
Simcoe Capital Management, LLC disclosed a 5%+ stake (7.0%) in the last six months.
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch KOP

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+39.7%12M
-7%+23%+53%+83%2025-102025-122026-022026-042026-062026-082026-10 2026-08-07 · Sullivan James A. sold $4.0M2026-08-11 · Sullivan James A. sold $375.0K2026-08-31 · BALL M LEROY sold $183.8K2026-06-11 · BALL M LEROY sold $171.2K2026-06-18 · BALL M LEROY sold $149.8K2026-03-02 · BALL M LEROY sold $139.3K2026-08-19 · BALL M LEROY sold $137.5K2026-05-13 · BALL M LEROY sold $113.1K2026-08-10 · Pearce Bradley A sold $102.0K2026-03-17 · BALL M LEROY sold $94.4K2026-03-02 · BALL M LEROY sold $79.8K2026-08-12 · Lucas Stephen G sold $58.3K2026-03-02 · BALL M LEROY sold $12.3K2026-08-07 · Sullivan James A. sold $5.1K2026-05-19 · Simcoe Capital Management, LLC filed a 5%+ stake (7.0%)2026-05-19 · SIMCOE PARTNERS L P filed a 5%+ stake (6.4%)2026-05-19 · Simcoe Select, LP filed a 5%+ stake (0.5%)2026-05-19 · SIMCOE MANAGEMENT COMPANY, LLC filed a 5%+ stake (6.8%)2026-05-19 · SDR Partners, LLC filed a 5%+ stake (0.2%)2026-05-19 · Jacobowitz Jeffrey filed a 5%+ stake (7.0%)2026-08-12 · Lucas Stephen G filed to sell $58.3K2026-08-11 · Sullivan James A. filed to sell $375.0K2026-08-10 · Pearce Bradley A filed to sell $102.0K2026-08-07 · Sullivan James A. filed to sell $4.0M
Insider sell13D/G stakeForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns KOP: institutional holders (13F)

13F holdings, latest reported quarter
BlackRock, Inc.
3,047,603 sh
$136.8M
Simcoe Capital Management, LLC
1,416,160 sh
$63.6M
DIMENSIONAL FUND ADVISORS LP
1,237,249 sh
$55.6M
PZENA INVESTMENT MANAGEMENT LLC
1,061,285 sh
$47.7M
FULLER & THALER ASSET MANAGEMENT, INC.
943,279 sh
$42.4M

Congress trades in KOP

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

13D: intends to influence · 13G: passive
Simcoe Capital Management, LLC
Activist 13D · 2026-05-19
7.0%
SIMCOE PARTNERS L P
Activist 13D · 2026-05-19
6.4%
Simcoe Select, LP
Activist 13D · 2026-05-19
0.5%
SIMCOE MANAGEMENT COMPANY, LLC
Activist 13D · 2026-05-19
6.8%
SDR Partners, LLC
Activist 13D · 2026-05-19
0.2%

KOP planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
Lucas Stephen G
Filed 2026-08-12
$58.3K
Sullivan James A.
Filed 2026-08-11
$375.0K
Pearce Bradley A
Filed 2026-08-10
$102.0K
Sullivan James A.
Filed 2026-08-07
$4.0M

KOP mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Pzena Small Cap Value Fund
$1.9M position · as of 2026-05-31
2.1%
Invesco S&P Smallcap 600 Pure Value ETF
$4.0M position · as of 2026-07-31
1.4%
S&P SmallCap 600 Pure Value Fund
$142.1K position · as of 2026-06-30
1.2%
Invesco S&P SmallCap Value with Momentum ETF
$7.7M position · as of 2026-07-31
1.2%
First Trust Dow Jones Select MicroCap Index Fund
$2.9M position · as of 2026-06-30
1.1%
Invesco S&P SmallCap Materials ETF
$220.9K position · as of 2026-05-31
1.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Leroy M. Ball
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$6.4M
$1.1M
$1.7M
-10%
+54%
2024
$5.9M
-$3.0M
$1.6M
+6%
+35%
2023
$6.0M
$17.6M
$1.6M
+67%
+33%
2022
$5.8M
$2.9M
$1.4M
-9%
+11%
2021
$5.2M
$3.8M
$1.4M
+0%
+18%
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
An activist crossed the 5% line with declared intent.
The record shows a net $5.3M sold by insiders over 180 days, 108 funds added last quarter, $4.5M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
JELDLEGHWMSAVYSXTENTGREXGEVOCMTNKEBNETCDXS

KOP financials

Revenue growth
-10.2%
XBRL, annual
Net margin
3.0%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$1.9B
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
-4.6%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
$138.7M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
2.32x
long-term 2026-06-30 plus current 2026-06-30; equity 2026-06-30
Cash flow to debt
0.21x
TTM operating cash flow over long-term 2026-06-30 plus current 2026-06-30
Return on equity
-19.0%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
-4.8%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on capital employed
-2.7%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
$1.6B
market value at close 2026-10-26 on 2026-07-31 shares, plus long-term 2026-06-30 plus current 2026-06-30, minus cash 2021-12-31
FCF yield
+18.4%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$1.9B$2.1B$2.2B$2.0B
Operating income$167.8M$148.2M$195.2M$137.7M
Net income$56.0M$52.4M$89.2M$63.4M
EPS (diluted)2.742.464.142.98
Operating cash flow$122.5M$119.4M$146.1M$102.3M
Long-term debt$914.3M$925.9M$835.4M$817.7M
Buybacks$38.2M$50.8M$20.1M$23.6M
Dividends paid$6.4M$5.9M$5.0M$4.2M
SEC XBRL, fiscal years, as known on 2026-10-28

KOP Stock Sonar score 6/7 axes

Find similar shapesCompare

KOP ranks highest on risk and compliance (68th percentile) and institutional and government (48th), and lowest on insider conviction (5th), among Materials peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
29
Inputs
  • Return on equity-19.0% · 20 pct, sector of 100
  • Return on assets-4.8% · 37 pct, sector of 120
  • Return on invested capitalpre-tax loss, no effective tax rate to apply
  • Return on capital employed-2.7% · 28 pct, sector of 96
Financial health
32
Inputs
  • Debt to equity2.32x · 10 pct, sector of 104
  • Cash flow to debt0.21x · 54 pct, sector of 103
Growth
13
Inputs
  • Revenue growth, YoY-10.2% · 13 pct, sector of 128
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
5
Inputs
  • Net Form 4 buying (codes P and S), 180d-$5.3M · 10 pct, sector of 80
  • Insider buyers, 180d0 · 0 pct, sector of 80
Institutional and government
48
Inputs
  • Funds adding, latest quarter108 · 48 pct, sector of 118
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
68
Inputs
  • Short interest, % of float+4.8% · 51 pct, sector of 143
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5y0.00 per $1B · 100 pct, sector of 103
  • New text in Risk Factors, latest 10-K+10.4% · 54 pct, sector of 111
1 not measured: US patents
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

KOP filings, in plain words

Are Koppers insiders buying or selling KOP?

In the 180 days to 2026-10-28, Koppers insiders were net sellers, a net $5.3M across purchases and sales reported on Form 4, by 4 sellers.

Are there planned insider sales of KOP?

Yes. 4 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-28, covering $4.5M of stock; the latest, by Lucas Stephen G, was filed 2026-08-12.

Read the full summary

In the 180 days to 2026-10-28, Koppers insiders were net sellers of KOP, a net $5.3M across purchases and sales reported on Form 4 by 4 sellers. None of the 10 insider sales was flagged as made under a Rule 10b5-1 plan. Insiders filed 4 Form 144 notices of intent to sell in the 90 days to 2026-10-28, covering $4.5M of stock. 1 activist Schedule 13D filing in the last 180 days declared an intent to influence the company, the largest for 7.0% of the class. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

Explore insider trading and ownership data

Every company we track, ranked by each kind of filing
Insider buyingInsider sellingCongress stock tradesActivist 13D stakesForm 144 planned salesCEO pay vs performanceAll companies