KOPKoppers Holdings Inc.as of 2026-09-16
Horizon

Issued 2026-09-16 at $46.72 · now $46.72 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, KOP has typically landed between $40.19 and $54.74 — a range of −14.0% to +17.2% from the issuance price $46.72.

Range of outcomes in historically similar periods — not a price prediction. Ranges are scored publicly on /methodology.
  • Actual close
  • Typical path (median)
  • Middle 50% of outcomes
  • 90% range

4,673 overlapping 1 month windows · 2008-01-022026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.756.1%, ≈1,408 obs).

The cone is anchored at the 2026-09-16 issuance close ($46.72) — the price the forecast resolves against on 2026-10-15, not the latest close. The drawn path shape is illustrative (bands widen with √t); every labeled number is real — the anchor, the scored batch p90/IQR endpoints, and the typical move.

Where KOP has typically landed a month from the 2026-09-16 close of $46.72 — the range is history, not a prediction.

$40.19worst · -14.0%$54.74best · +17.2%
  • now $46.72 (+0.0%)
  • typicalThe typical outcome — half of similar past periods did better and half did worse (not an average, so a few wild periods don't skew it). $47.01 (+0.6%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $44.07$49.96
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $40.19$54.74
Actual 1-month windows behind the coneiEvery overlapping 1-month window in this security's own price history was ranked by realized return; shown are the 3 worst and 3 best of 4,673 windows spanning 2008-01-02 to 2026-09-16. Not cherry-picked — these are the extremes of the full sample. Max drop / max rise are the deepest and highest points reached within each window. See /methodology.
StartReturnMax dropMax rise
3 worst
2020-02-13−67.9%−67.9%+0.0%
2020-02-20−67.5%−67.5%+0.0%
2020-02-21−67.4%−67.4%+0.0%
3 best
2020-05-07+70.7%−10.2%+70.7%
2020-05-06+70.5%−4.0%+70.5%
2019-10-10+63.9%+0.0%+63.9%

4,673 overlapping windows · 2008-01-022026-09-16 · not cherry-picked

Seasonality · by month iHow this security has tended to do in each calendar month historically — a frequency, never a prediction.

iFor each calendar month, the share of years this security closed higher than the month before, and the average month-over-month return, over ~19 years of its own price history. Cells are shaded by average return. This is historical frequency, not a prediction — no month is a signal.
Jan
44%
−1.6%
n=18
Feb
63%
+1.1%
n=19
Mar
68%
+2.1%
n=19
Apr
63%
+4.2%
n=19
May
42%
−0.4%
n=19
Jun
47%
+0.1%
n=19
Jul
63%
+3.0%
n=19
Aug
42%
−2.0%
n=19
Sep
42%
−0.7%
n=19
Oct
67%
+1.8%
n=18
Nov
72%
+4.4%
n=18
Dec
61%
+0.8%
n=18

Up-frequency and average month-over-month return · historical frequency, not a prediction

Reported insider & political trades

Every Form 4 the people closest to this company have filed with the SEC — plotted against the share price, aggregated by month, and shown with the gap between when each trade happened and when it was disclosed. A public record, not advice.

Share price & reported tradesMonthly open-market valueReporting lag — trade date to filing date2026-092026-082026-072026-062026-052026-042026-032026-022026-012025-122025-112025-102025-092025-08$51$262026-08-31: 1 insider sale, $184K — BALL M LEROY2026-08-19: 1 insider sale, $138K — BALL M LEROY2026-08-12: 1 insider sale, $58K — Lucas Stephen G2026-08-11: 1 insider sale, $375K — Sullivan James A.2026-08-10: 1 insider sale, $102K — Pearce Bradley A2026-08-07: 2 insider sales, $4.0M — Sullivan James A. …2026-06-18: 1 insider sale, $150K — BALL M LEROY2026-06-11: 1 insider sale, $171K — BALL M LEROY2026-05-13: 1 insider sale, $113K — BALL M LEROY2026-03-17: 1 insider sale, $94K — BALL M LEROY2026-03-02: 3 insider sales, $231K — BALL M LEROY …2025-08-15: 1 insider sale, $75K — BALL M LEROY2025-08: 1 open-market sale, $75K2026-03: 4 open-market sales, $326K2026-05: 1 open-market sale, $113K2026-06: 2 open-market sales, $321K2026-08: 7 open-market sales, $4.9M↑ buys↓ salesdirector BALL M LEROY — Sale on 2026-08-31, filed 1 day after the tradedirector BALL M LEROY — Sale on 2026-08-19, filed 1 day after the tradeofficer Lucas Stephen G — Sale on 2026-08-12, filed 1 day after the tradeofficer Sullivan James A. — Sale on 2026-08-11, filed 1 day after the tradeofficer Pearce Bradley A — Sale on 2026-08-10, filed 1 day after the tradeofficer Sullivan James A. — Sale on 2026-08-07, filed 4 days after the tradeofficer Sullivan James A. — Sale on 2026-08-07, filed 4 days after the tradedirector BALL M LEROY — Sale on 2026-06-18, filed 5 days after the tradedirector BALL M LEROY — Sale on 2026-06-11, filed 4 days after the tradedirector BALL M LEROY — Sale on 2026-05-13, filed 1 day after the tradedirector BALL M LEROY — Sale on 2026-03-17, filed 1 day after the tradedirector BALL M LEROY — Sale on 2026-03-02, filed 2 days after the tradedirector BALL M LEROY — Sale on 2026-03-02, filed 2 days after the tradedirector BALL M LEROY — Sale on 2026-03-02, filed 2 days after the tradedirector BALL M LEROY — Sale on 2025-08-15, filed 3 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-08-31BALL M LEROYdirectorSale4,000 @ $45.96$184K−0.9% of holdingnot yet — horizon still opennot yet — horizon still open429,555Form 4 · filed 1 day after the trade
2026-08-19BALL M LEROYdirectorSale3,000 @ $45.84$138K−0.7% of holdingnot yet — horizon still opennot yet — horizon still open433,555Form 4 · filed 1 day after the trade
2026-08-12Lucas Stephen GofficerSale1,308 @ $44.55$58K−3.7% of holding+3.3%not yet — horizon still open34,345Form 4 · filed 1 day after the trade
2026-08-11Sullivan James A.officerSale7,500 @ $50.00$375K−8.3% of holding+2.4%not yet — horizon still open82,898Form 4 · filed 1 day after the trade
2026-08-10Pearce Bradley AofficerSale2,000 @ $51.01$102K−4.6% of holding−7.5%not yet — horizon still open41,037Form 4 · filed 1 day after the trade
2026-08-07Sullivan James A.officerSale79,900 @ $50.01$4.0M−46.9% of holding−10.4%not yet — horizon still open90,498Form 4 · filed 4 days after the trade
2026-08-07Sullivan James A.officerSale100 @ $51.22$5K−0.1% of holding−10.4%not yet — horizon still open90,398Form 4 · filed 4 days after the trade
2026-06-18BALL M LEROYdirectorSale3,412 @ $43.90$150K−0.8% of holding+17.5%not yet — horizon still open436,243Form 4 · filed 5 days after the trade
2026-06-11BALL M LEROYdirectorSale4,141 @ $41.34$171K−0.9% of holding+14.7%not yet — horizon still open439,955Form 4 · filed 4 days after the trade
2026-05-13BALL M LEROYdirectorSale2,659 @ $42.55$113K−0.6% of holding+2.0%not yet — horizon still open444,096Form 4 · filed 1 day after the trade
2026-03-17BALL M LEROYdirectorSale2,489 @ $37.91$94K−0.6% of holding−6.9%not yet — horizon still open447,459Form 4 · filed 1 day after the trade
2026-03-02BALL M LEROYdirectorSale3,763 @ $37.02$139K−0.8% of holding+11.4%not yet — horizon still open450,273Form 4 · filed 2 days after the trade
2026-03-02BALL M LEROYdirectorSale2,184 @ $36.53$80K−0.5% of holding+11.4%not yet — horizon still open454,364Form 4 · filed 2 days after the trade
2026-03-02BALL M LEROYdirectorSale328 @ $37.45$12K−0.1% of holding+11.4%not yet — horizon still open454,036Form 4 · filed 2 days after the trade
2025-08-15BALL M LEROYdirectorSale2,448 @ $30.48$75K−0.7% of holding−5.6%+12.3%357,308Form 4 · filed 3 days after the trade
2025-03-19BALL M LEROYdirectorSale3,279 @ $29.15$96K−0.9% of holding−8.0%−16.5%362,017Form 4 · filed 1 day after the trade
2025-03-19BALL M LEROYdirectorSale505 @ $30.07$15K−0.1% of holding−8.0%−16.5%361,512Form 4 · filed 1 day after the trade

The vs-S&P columns are a labeled look-back on what the stock did after each filing, measured against the index over the same window. Descriptive history, not a claim about the person or a reason to trade.

283 award / exercise / gift records — not counted as purchases

Awards, option exercises, gifts and tax-withholding disposals are shown separately and never counted as open-market purchases or sales — they carry no conviction information.

DatePersonRoleActionSharesOwned afterFiling
2026-09-14Feng XudongdirectorAward / grant33445Form 4
2026-09-14MOTLEY DAVID LdirectorAward / grant20316Form 4
2026-09-14Sandifer Andrew DdirectorAward / grant14117Form 4
2026-09-14WILKERSON SONJA MICHELLEdirectorAward / grant29385Form 4
2026-08-31BALL M LEROYdirectorGift200429,355Form 4
2026-06-15Sandifer Andrew DdirectorAward / grant14103Form 4
2026-06-15MOTLEY DAVID LdirectorAward / grant21296Form 4
2026-06-15Feng XudongdirectorAward / grant34412Form 4
2026-06-15WILKERSON SONJA MICHELLEdirectorAward / grant30356Form 4
2026-06-11BALL M LEROYdirectorGift300439,655Form 4
2026-06-03Feng XudongdirectorGift5,69526,489Form 4
2026-05-26Brenner Eric D.officerAward / grant6,6206,620Form 4
2026-05-12Pearce Bradley AofficerAward / grant5,00043,037Form 4
2026-05-07MOTLEY DAVID LdirectorOption exercise5022,044Form 4
2026-05-07Posadas Laura JdirectorOption exercise110Form 4
2026-05-07NEUPAVER ALBERT JdirectorOption exercise5083,834Form 4
2026-05-07Posadas Laura JdirectorAward / grant3,2805,531Form 4
2026-05-07Posadas Laura JdirectorOption exercise112,251Form 4
2026-05-07NEUPAVER ALBERT JdirectorOption exercise500Form 4
2026-05-07WILKERSON SONJA MICHELLEdirectorAward / grant3,28017,976Form 4
2026-05-07Feng XudongdirectorAward / grant3,28032,184Form 4
2026-05-07JENSEN TRACI LdirectorOption exercise5032,059Form 4
2026-05-07JENSEN TRACI LdirectorAward / grant3,28035,339Form 4
2026-05-07JENSEN TRACI LdirectorOption exercise500Form 4
2026-05-07Vartanian Nishan J.directorOption exercise507,384Form 4
2026-05-07Vartanian Nishan J.directorAward / grant3,28010,664Form 4
2026-05-07Vartanian Nishan J.directorOption exercise500Form 4
2026-05-07MOTLEY DAVID LdirectorOption exercise50276Form 4
2026-05-07MOTLEY DAVID LdirectorAward / grant3,28013,198Form 4
2026-05-07Sandifer Andrew DdirectorAward / grant3,28010,137Form 4
2026-03-23Sandifer Andrew DdirectorAward / grant5084Form 4
2026-03-23Feng XudongdirectorAward / grant30378Form 4
2026-03-23WILKERSON SONJA MICHELLEdirectorAward / grant50300Form 4
2026-03-23WILKERSON SONJA MICHELLEdirectorAward / grant25326Form 4
2026-03-23JENSEN TRACI LdirectorAward / grant5050Form 4
2026-03-23Vartanian Nishan J.directorAward / grant5050Form 4
2026-03-23MOTLEY DAVID LdirectorAward / grant50300Form 4
2026-03-23MOTLEY DAVID LdirectorAward / grant25326Form 4
2026-03-23Posadas Laura JdirectorAward / grant1111Form 4
2026-03-23NEUPAVER ALBERT JdirectorAward / grant5050Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Across 2012–2021, stocks where a CEO, C-suite officer, or director had recently made an open-market common-stock purchase ran about +28 bp per month above the universe average (n=34,268 stock-weeks). A historical tendency, not a prediction.

Congressional disclosures

No congressional trades disclosed for this company.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.