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CMPR SCHEDULE 13D/A: Activist campaign

The Spruce House Partnership LLC

Filed with the SEC on · accession 0001493152-26-039497

CMPR filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Aug 20, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -1.4% by the first close after the filing.

Summary of the filing

The Spruce House Partnership LLC filed an amended Schedule 13D reporting open market sales of 200,000 Cimpress plc ordinary shares over two days at prices around $90 per share.

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Key details

Open market sale of 50,000 shares on 8/18/2026 at $90.32$4.5M
Open market sale of 150,000 shares on 8/19/2026 at $90.13$13.5M
Total value of shares sold during past sixty days$18.0M
Reporting person / shareholderThe Spruce House Partnership LLC
IssuerCimpress plc

How CMPR stock reacted

Close before

$90.13

Aug 19, 2026

First close after

-1.41%

$88.86

5 trading days

-3.20%

$87.25

Since filing

-34.43%

$59.10

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Frequently asked questions

What did CMPR file with the SEC on Aug 20, 2026?

CMPR filed a SCHEDULE 13D/A (Activist campaign). The Spruce House Partnership LLC filed an amended Schedule 13D reporting open market sales of 200,000 Cimpress plc ordinary shares over two days at prices around $90 per share.

What does a activist campaign mean for CMPR stock?

A settlement removes uncertainty; the stock often reacts to whether the amount is bigger or smaller than investors expected.

How do I read a SCHEDULE 13D/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).

How did CMPR stock react to this filing?

CMPR closed at $90.13 before the filing and $88.86 on Aug 20, 2026 (-1.41%). Five trading days later: $87.25 (-3.20%).

Other CMPR SEC filings

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