KOP compared with AMPH: revenue, margins and what each company keeps, and the suppliers and customers both name

KOPKoppers Holdings Inc.

Mkt capRevenueRevenue

AMPHAmphastar Pharmaceuticals, Inc.

Mkt capRevenueRevenue

Compare

KOPKoppers Holdings Inc.

AMPHAmphastar Pharmaceuticals, Inc.

Price

Mkt cap

Revenue

Revenue flow Supply chain Price Co-movers Event sensitivity Earnings history

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Earnings history

News Findings Companies A–Z Pricing Methodology Sources Corrections About Terms

Not investment advice. Not a broker-dealer. Indices shown as ETF proxies. Supply-chain data CC BY 4.0; market data not redistributable.

Listed on One’s Vibe · live-checked · Oct ’26

Desk News Calendar Saved

Earnings history

last 4 reports each · paired by recencyMethod ›

KOP

0 of 4at or beyond implied

Reportimpliedrealized× implied

Q2 FY26±8.9%▲+2.55%×0.28

May 8 '26±11.4%▲+6.88%×0.61

Q1 FY26±13.4%▲+7.88%×0.59

Nov 7 '25±10.6%▼−4.09%×0.39

AMPH

2 of 4at or beyond implied

Reportimpliedrealized× implied

Q2 FY26±22.3%▲+4.90%×0.22

May 8 '26±13.2%▼−20.93%×1.58

= impliedKOP realized, solidAMPH realized, hatchedOne scale, both sides: full bar = 24%× = |realized| ÷ impliedSource: market data

Q1 FY26

±15.6%

▼−23.63%

×1.51

Q3 FY25±14.4%▼−0.83%×0.06

KOPKoppers Holdings Inc.

39.58▼−7.72%· post 39.58

Mkt cap$749.7MRevenue$520MQ2 FY26Revenue$1.9BFY25

AMPHAmphastar Pharmaceuticals, Inc.

27.57▼−1.61%· post 29.45

ClosedNov 5 '26

Mkt cap$1.2BRevenue$208MQ3 FY26Revenue$720MFY25

Compare

ClosedNov 5 '26

KOPKoppers Holdings Inc.

AMPHAmphastar Pharmaceuticals, Inc.

39.58▼−7.72%post 39.58

Price

27.57▼−1.61%post 29.45

$749.7M

Mkt cap

$1.2B

Q2 FY26$520M

Revenue

$208MQ3 FY26

FY25$1.9B

Revenue

$720MFY25

KOP39.58▼−7.72%vsAMPH27.57▼−1.61%ClosedNov 5 '26