Massivemarkets

SEC Form 4

Arch Capital Group Ltd (ACGL) insider trading

In the 12 months to Oct 24, 2026, 6 ACGL insiders reported open-market sales of $29.2M across 9 filings; one director bought $498.7K.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$29.2M
9 filings · 6 insiders
Open-market purchases
$498.7K
1 filing · Daniel Joseph Houston, Director

Who traded ACGL, and when

  • Purchase
  • Sale

ACGL daily close from Oct 24, 2025 to Oct 23, 2026, between $84.72 and $106.48, last $101.69. 9 sale and 1 purchase filings by 7 insiders, marked at their filing dates. John M. Pasquesi, Director: sold $20.0M across 1 filing, first filed Dec 16, 2025, last Dec 16, 2025. Maamoun Rajeh, President, Arch Capital Group: sold $4.6M across 1 filing, first filed Feb 13, 2026, last Feb 13, 2026. Nicolas Papadopoulo, CEO: sold $2.1M across 1 filing, first filed Mar 12, 2026, last Mar 12, 2026. Francois Morin, EVP AND CFO → CFO and Treasurer: sold $1.9M across 2 filings, first filed Dec 2, 2025, last Aug 20, 2026. David Gansberg, President, Arch Capital Group: sold $569.3K across 1 filing, first filed Mar 12, 2026, last Mar 12, 2026. Daniel Joseph Houston, Director: bought $498.7K across 1 filing, first filed May 4, 2026, last May 4, 2026. Brian S. Posner, Director: sold $144.6K across 3 filings, first filed Mar 12, 2026, last Jun 4, 2026.

Largest mark · tap a row for others

John M. Pasquesi · Director

Sale $19,970,731

212,666 shares at $93.91 avg

Filed Dec 16, 2025 · traded Dec 12

Close on filing date $95.58

ACGL daily closelast $101.69

John M. Pasquesi · Director

$20.0M sold

Maamoun Rajeh · President, Arch Capital Group

$4.6M sold

Nicolas Papadopoulo · CEO

$2.1M sold

Francois Morin · EVP AND CFO → CFO and Treasurer

$1.9M sold

David Gansberg · President, Arch Capital Group

$569.3K sold

Daniel Joseph Houston · Director

$498.7K bought

Brian S. Posner · Director

$144.6K sold
One row per insider; marks sit at the SEC filing date, sized by dollar value.

Has Arch Capital Group Ltd's CEO sold stock?

Yes. Nicolas Papadopoulo (CEO) sold 21,930 shares ($2.1M) in Mar 2026.

Open-market trades

10 filings in the last 12 months
InsiderRoleSoldBoughtFilingsPre-arranged (10b5-1)Last filed
John M. PasquesiDirector$20.0M—1—
Maamoun RajehPresident, Arch Capital Group$4.6M—1—
Nicolas PapadopouloCEO$2.1M—1—
Francois MorinEVP AND CFO → CFO and Treasurer$1.9M—2—
David GansbergPresident, Arch Capital Group$569.3K—1—
Daniel Joseph HoustonDirector—$498.7K1—
Brian S. PosnerDirector$144.6K—3—
Other insider activity (not market trades) · 50 records
  • Option exercises5 records
  • Tax withholding7 records
  • Grants and awards28 records
  • Gifts10 records

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

Build this yourself

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Agent prompt

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for ACGL every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Role
The title on each filing. Someone whose title changed shows more than one.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.