About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

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Showing: ticker ACGL

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Nov 10, 2026Maamoun Rajeh
President, Arch Capital Group
ACGL
Arch Capital Group Ltd.
Sale1,657$108.16$179.2K SaleForm 4 ↗
Nov 10, 2026Maamoun Rajeh
President, Arch Capital Group
ACGL
Arch Capital Group Ltd.
Sale8,343$107.72$898.7K SaleForm 4 ↗
Nov 10, 2026Maamoun Rajeh
President, Arch Capital Group
ACGL
Arch Capital Group Ltd.
Sale19,698$109.28$2.2M SaleForm 4 ↗
Nov 10, 2026Maamoun Rajeh
President, Arch Capital Group
ACGL
Arch Capital Group Ltd.
Sale11,333$108.61$1.2M SaleForm 4 ↗
Nov 10, 2026Maamoun Rajeh
President, Arch Capital Group
ACGL
Arch Capital Group Ltd.
Sale7,630$107.53$820.5K SaleForm 4 ↗
Aug 18, 2026Francois Morin
CFO and Treasurer
ACGL
Arch Capital Group Ltd.
Sale11,010$99.32$1.1M SaleForm 4 ↗
Jun 3, 2026Brian S. Posner
Director
ACGL
Arch Capital Group Ltd.
Sale3,000$19.66$59.0K SaleForm 4 ↗
May 11, 2026Brian S. Posner
Director
ACGL
Arch Capital Group Ltd.
Sale2,000$17.14$34.3K SaleForm 4 ↗
Apr 30, 2026Daniel Joseph Houston
Director
ACGL
Arch Capital Group Ltd.
Buy5,300$94.09$498.7K BuyForm 4 ↗
Mar 11, 2026Brian S. Posner
Director
ACGL
Arch Capital Group Ltd.
Sale3,000$17.12$51.4K SaleForm 4 ↗
Mar 10, 2026David Gansberg
President, Arch Capital Group
ACGL
Arch Capital Group Ltd.
Sale5,907$96.37$569.3K SaleForm 4 ↗
Mar 10, 2026Nicolas Papadopoulo
CEO, Director
ACGL
Arch Capital Group Ltd.
Sale21,930$96.31$2.1M SaleForm 4 ↗
Feb 11, 2026Maamoun Rajeh
President, Arch Capital Group
ACGL
Arch Capital Group Ltd.
Sale47,430$96.12$4.6M SaleForm 4 ↗
Dec 15, 2025John M. Pasquesi
Director
ACGL
Arch Capital Group Ltd.
Sale8,800$94.17$828.7K SaleForm 4 ↗
Dec 12, 2025John M. Pasquesi
Director
ACGL
Arch Capital Group Ltd.
Sale175,000$93.91$16.4M SaleForm 4 ↗
Dec 12, 2025John M. Pasquesi
Director
ACGL
Arch Capital Group Ltd.
Sale28,866$93.81$2.7M SaleForm 4 ↗
Nov 28, 2025Francois Morin
EVP AND CFO
ACGL
Arch Capital Group Ltd.
Sale8,000$94.62$757.0K SaleForm 4 ↗
Aug 22, 2025Maamoun Rajeh
PRESIDENT, ARCH CAPITAL GROUP
ACGL
Arch Capital Group Ltd.
Sale10,000$94.15$941.5K SaleForm 4 ↗
Aug 1, 2025Brian S. Posner
Director
ACGL
Arch Capital Group Ltd.
Buy1,000$17.34$17.3K BuyForm 4 ↗
May 16, 2025Francois Morin
EVP AND CFO
ACGL
Arch Capital Group Ltd.
Sale12,630$94.58$1.2M SaleForm 4 ↗
May 13, 2025John M. Pasquesi
Director
ACGL
Arch Capital Group Ltd.
Sale23,996$94.72$2.3M SaleForm 4 ↗
May 12, 2025John M. Pasquesi
Director
ACGL
Arch Capital Group Ltd.
Sale75,060$94.01$7.1M SaleForm 4 ↗
May 9, 2025Louis T. Petrillo
OFFICER OF SUBSIDIARY
ACGL
Arch Capital Group Ltd.
Sale16,650$94.53$1.6M SaleForm 4 ↗
Mar 5, 2025Louis T. Petrillo
OFFICER OF SUBSIDIARY
ACGL
Arch Capital Group Ltd.
Sale11,600$91.00$1.1M SaleForm 4 ↗
Mar 4, 2025Louis T. Petrillo
OFFICER OF SUBSIDIARY
ACGL
Arch Capital Group Ltd.
Sale9,400$92.73$871.7K SaleForm 4 ↗

25 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 4:55 PM EST.

Download CSV The rows of this feed, with the filters above. A download holds at most 10,000 rows; narrow the filters to get a smaller slice.

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