ACGL Arch Capital Group Ltd.

NASDAQ
$96.09

Arch Capital Group Ltd. (ACGL) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal In line Selling ran in line with ACGL's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 1 seller in the last 90 days
Insiders buying
1
1 transaction
Insiders selling
6
11 transactions
Purchases
$498.7K
5,300 shares
Sales
$29.2M
314,943 shares
Net activity
-$28.7M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $29.2M 11 transactions · 314,943 shares

Largest single sale: $16.4M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: April 30, 2026 , by Houston Daniel Joseph .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Morin Francois CFO and Treasurer Sell 11,010 $99.32 $1.1M 184,826 −5.6% of holding
Posner Brian S Director Sell 3,000 $19.66 $59.0K None left
Posner Brian S Director Sell 2,000 $17.14 $34.3K None left
Houston Daniel Joseph Director Buy 5,300 $94.08 $498.7K 9,915
Posner Brian S Director Sell 3,000 $17.11 $51.3K 2,000 −60% of holding
Papadopoulo Nicolas CEO Sell 21,930 $96.31 $2.1M 871,594 −2.5% of holding
Gansberg David President, Arch Capital Group Sell 5,907 $96.37 $569.3K 336,559 −1.7% of holding
Rajeh Maamoun President, Arch Capital Group Sell 47,430 $96.12 $4.6M 433,589 −9.9% of holding
PASQUESI JOHN M Director Sell 8,800 $94.17 $828.7K 289,556 −2.9% of holding
PASQUESI JOHN M 2 fills Director Sell 203,866 $93.90 $19.1M 526,356 −27.9% of holding
Morin Francois EVP AND CFO Sell 8,000 $94.62 $757.0K 266,681 −2.9% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.