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SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•73 filings

KOP

Koppers Holdings Inc.

Net sales of $4.9M over the last 3 months

4 sellers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found no CEO/CFO purchases over 12 months.

How to read this signal

Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.

JSON example

3-month balance

−$4,857,572

0 buyers · 4 sellers

12-month purchases

$0.00

0 distinct insiders

12-month sales

$5,617,418

4 distinct insiders

Highlighted alerts

15

0 Rule 10b5-1 trades treated as informational

Buying cluster · 30 days

Fewer than three distinct buyers

CEO/CFO purchases · 12 months

No executive purchases found

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Form 4 raw → Raspberry

The value is in what we do not call a signal.

The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.

100
Raw transactions
Everything returned by the filing
15
Voluntary view
P/S trades after deterministic checks
86
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
Code
A
Shares
19.98
Price
$0.00
Footnotes
2

The dividend equivalent rights ("DERs") accrued with respect to additional restricted stock units ("RSUs") credited to the reporting person with respect to deferred compensation. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock. Once released, the RSUs corresponding to these DERs will become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person.

Raspberry interpretation
Informational — no alert

Reason: administrative_code.

Verify in SEC EDGAR

Recent transactions

Voluntary purchases and sales; administrative noise stays hidden.

15 transactions

BALL M LEROY

CEO

SaleAlert
Shares
4,000
Price
$45.96
Value
$183,840
Open SEC filing

BALL M LEROY

CEO

SaleAlert
Shares
3,000
Price
$45.84
Value
$137,520
Open SEC filing

Lucas Stephen G

SVP, Culture and Engagement

SaleAlert
Shares
1,308
Price
$44.55
Value
$58,271
Open SEC filing

Sullivan James A.

President and CTO

SaleAlert
Shares
7,500
Price
$50.00
Value
$375,000
Open SEC filing

Pearce Bradley A

CAO

SaleAlert
Shares
2,000
Price
$51.01
Value
$102,020
Open SEC filing

Sullivan James A.

President and CTO

SaleAlert
Shares
100
Price
$51.22
Value
$5,122
Open SEC filing

Sullivan James A.

President and CTO

SaleAlert
Shares
79,900
Price
$50.01
Value
$3,995,799
Open SEC filing

BALL M LEROY

CEO

SaleAlert
Shares
3,412
Price
$43.90
Value
$149,787
Open SEC filing

BALL M LEROY

CEO

SaleAlert
Shares
4,141
Price
$41.34
Value
$171,189
Open SEC filing

BALL M LEROY

CEO

SaleAlert
Shares
2,659
Price
$42.55
Value
$113,140
Open SEC filing

BALL M LEROY

CEO

SaleAlert
Shares
2,489
Price
$37.91
Value
$94,358
Open SEC filing

BALL M LEROY

CEO

SaleAlert
Shares
3,763
Price
$37.02
Value
$139,306
Open SEC filing

BALL M LEROY

CEO

SaleAlert
Shares
328
Price
$37.45
Value
$12,284
Open SEC filing

BALL M LEROY

CEO

SaleAlert
Shares
2,184
Price
$36.53
Value
$79,782
Open SEC filing

BALL M LEROY

CEO

SaleAlert
Shares
2,448
Price
$30.48
Value
$74,615
Open SEC filing

“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.