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Arch Capital Group Ltd. (ACGL)

Arch Capital Group Ltd. (ACGL) Insider Trading

Directors, officers and holders of more than 10% of ACGL report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 160 transactions on file: 1 with code P, 6 with code S and 43 with other codes.

DateInsiderCodeShares
Aug 18, 2026Morin FrancoisM Exercise11,010
Aug 18, 2026Morin FrancoisS Sale11,010
Aug 18, 2026Morin FrancoisM Exercise11,010
Jun 11, 2026PASQUESI JOHN MG Gift1,006,700
Jun 11, 2026PASQUESI JOHN MG Gift1,006,700
Jun 3, 2026Posner Brian SS Sale3,000
May 11, 2026Posner Brian SS Sale2,000
May 5, 2026Houston Daniel JosephA Award2,071
May 5, 2026Houston Daniel JosephA Award1,327
May 5, 2026Triplett Neal FA Award1,327
May 5, 2026MOCZARSKI ALEXANDER SA Award2,071
May 5, 2026Triplett Neal FA Award2,071
May 5, 2026Posner Brian SA Award2,071
May 5, 2026PASQUESI JOHN MA Award1,327
May 5, 2026Ebong FrancisA Award2,071
May 5, 2026Goodman LaurieA Award2,071
May 5, 2026MALLESCH EILEEN AA Award2,071
May 5, 2026BUNCE JOHN L JRA Award1,327
May 5, 2026BUNCE JOHN L JRA Award2,071
May 5, 2026KILCOYNE MOIRA A.A Award2,071
May 5, 2026KILCOYNE MOIRA A.A Award1,327
May 5, 2026PASQUESI JOHN MA Award2,071
May 5, 2026PASQUESI JOHN MA Award1,858
Apr 30, 2026Houston Daniel JosephP Purchase5,300
Mar 11, 2026Posner Brian SS Sale3,000
Mar 10, 2026Papadopoulo NicolasM Exercise21,930
Mar 10, 2026Gansberg DavidM Exercise10,770
Mar 10, 2026Papadopoulo NicolasS Sale21,930
Mar 10, 2026Gansberg DavidM Exercise10,770
Mar 10, 2026Gansberg DavidS Sale5,907
Mar 10, 2026Papadopoulo NicolasM Exercise21,930
Mar 4, 2026Gansberg DavidF Tax Payment12,519
Mar 4, 2026PETRILLO LOUIS TF Tax Payment8,030
Mar 4, 2026Rajeh MaamounG Gift40,600
Mar 4, 2026Rajeh MaamounG Gift40,600
Mar 3, 2026Papadopoulo NicolasA Award76,243
Mar 3, 2026Papadopoulo NicolasA Award21,318
Mar 3, 2026PETRILLO LOUIS TA Award10,331
Mar 3, 2026Morin FrancoisA Award5,329
Mar 3, 2026Gansberg DavidA Award6,843
Mar 3, 2026Morin FrancoisA Award19,061
Mar 3, 2026PETRILLO LOUIS TA Award2,889
Mar 3, 2026Rajeh MaamounA Award6,843
Mar 3, 2026Todd ChristineA Award6,305
Mar 3, 2026Todd ChristineA Award3,981
Mar 3, 2026Gansberg DavidA Award24,475
Mar 3, 2026Rajeh MaamounA Award24,475
Mar 3, 2026Todd ChristineA Award14,238
Feb 27, 2026Gansberg DavidF Tax Payment553
Feb 27, 2026PETRILLO LOUIS TF Tax Payment312

The full Form 4 history is on the ACGL company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.