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Who

Michael Oreilly

Director

Company insider

Files Form 4 as: Director, Markel Group; Director, Alterra Capital Holdings; Vice Chairman, Chubb.

Every Form 4 they filed

In numbers

Trades disclosed
246
Buys
1
Sells
14
Bought
$190K
Sold
$17.8M
Companies
3
Companies where not an officer
2
First trade
2 Feb 2006
Last trade
15 Jun 2026
Last filed
17 Jun 2026

Companies traded

Where they are an officer
ChubbOfficer · last 5 May 20080 buys · 14 sells
Everywhere else they filed: board seats, 10% stakes, other companies
MKL Markel GroupDirector · Insurance · last 15 Jun 20260 buys · 0 sells
Alterra Capital HoldingsDirector · last 1 May 20131 buy · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
15 Jun 2026filed 17 Jun 2026MKL Markel GroupInsuranceSEC FORM 4 Code J$150K89.893 at $1,668.65filing
15 Jun 2026filed 17 Jun 2026MKL Markel GroupInsuranceSEC FORM 4 Code J$150K89.89 at $1,668.65filing
20 May 2026filed 22 May 2026MKL Markel GroupInsuranceSEC FORM 4 Code A—89 at $0.00filing
20 May 2026filed 22 May 2026MKL Markel GroupInsuranceSEC FORM 4 Code A—89 at $0.00filing
13 Jun 2025filed 17 Jun 2025MKL Markel GroupInsuranceSEC FORM 4 Code J$140K80.65 at $1,735.89filing
21 May 2025filed 23 May 2025MKL Markel GroupInsuranceSEC FORM 4 Code A—88 at $0.00filing
14 Jun 2024filed 17 Jun 2024MKL Markel GroupInsuranceSEC FORM 4 Code J$140K100.74 at $1,389.66filing
22 May 2024filed 23 May 2024MKL Markel GroupInsuranceSEC FORM 4 Code A—100 at $0.00filing
15 Jun 2023filed 16 Jun 2023MKL Markel GroupInsuranceSEC FORM 4 Code J$140K116.22 at $1,204.63filing
17 May 2023filed 18 May 2023MKL Markel GroupInsuranceSEC FORM 4 Code A—122 at $0.00filing
13 May 2022filed 16 May 2022MKL Markel GroupInsuranceSEC FORM 4 Code J$140K117.36 at $1,192.91filing
11 May 2022filed 13 May 2022MKL Markel GroupInsuranceSEC FORM 4 Code A—129 at $0.00filing
14 May 2021filed 17 May 2021MKL Markel GroupInsuranceSEC FORM 4 Code J$120K108.11 at $1,109.99filing
10 May 2021filed 12 May 2021MKL Markel GroupInsuranceSEC FORM 4 Code A—103 at $0.00filing
12 Jun 2020filed 15 Jun 2020MKL Markel GroupInsuranceSEC FORM 4 Code J$11K10.91 at $972.98filing
11 May 2020filed 12 May 2020MKL Markel GroupInsuranceSEC FORM 4 Code A—146 at $0.00filing
11 May 2020filed 12 May 2020MKL Markel GroupInsuranceSEC FORM 4 Code J$95K109.07 at $870.97filing
12 Mar 2020filed 16 Mar 2020MKL Markel GroupInsuranceSEC FORM 4 Code J$11K9.2 at $1,153.38filing
13 May 2019filed 15 May 2019MKL Markel GroupInsuranceSEC FORM 4 Code A—121 at $0.00filing
13 May 2019filed 15 May 2019MKL Markel GroupInsuranceSEC FORM 4 Code J$95K91.97 at $1,032.92filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Not placed15

Buys in green, sells in red, by the company’s sector.

Related people

Nobody else traded the same names lately.