アーチキャピタルグループ株式会社
US ˙ NasdaqGS ˙ BMG0450A1053

SecurityACGL / Arch Capital Group Ltd.
InsiderBrian S Posner
This page shows the track record and history of Posner Brian S insider trades in Arch Capital Group Ltd.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Brian S Posner in ACGL / Arch Capital Group Ltd.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares		 Reported
Price		 Adjusted
Shares		 Adjusted
Price		 Cost Basis Days to
Max		 Price at
Max		 Max
Profit ($)		 Max Return (%)
2025-08-01 1,000 17.3380 1,000 17.3380 17,338 188 101.9800 84,642 488.19
2022-10-28 2,000 17.6000 2,000 17.6000 35,200
2022-04-29 2,000 19.2250 2,000 19.2250 38,450
2020-05-13 1,000 22.1594 1,000 22.1594 22,159
2020-05-06 1,000 23.7178 1,000 23.7178 23,718
2018-11-28 500 21.8642 500 21.8642 10,932
2018-11-28 500 28.2370 500 28.2370 14,118
2018-11-05 2,500 22.4496 2,500 22.4496 56,124
2018-05-03 2,000 79.2480 6,000 26.4160 158,496
2018-05-03 1,000 77.3800 3,000 25.7933 77,380
2016-11-18 6,000 21.8785 18,000 7.2928 131,271

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

ACGL / Arch Capital Group Ltd. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Brian S Posner in ACGL / Arch Capital Group Ltd.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares		 Reported
Price		 Adjusted
Shares		 Adjusted
Price		 Cost Basis Days to
Min		 Price at
Min		 Max Loss
Avoided ($)		 Max Loss
Avoided (%)
2026-06-03 3,000 19.6600 3,000 19.6600 58,980 0 87.8900 204,690 347.05
2026-05-11 2,000 17.1415 2,000 17.1415 34,283
2026-03-11 3,000 17.1150 3,000 17.1150 51,345
2021-06-14 4,000 25.2428 4,000 25.2428 100,971

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

ACGL / Arch Capital Group Ltd. Insider Trades
Insider Transaction History
File
Date		 Trade
Date		 Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price		 Unit
Price		 Units
Changed		 Value
Changed (1K)		 Remaining
Options		 Remaining
Shares
2026-06-04 2026-06-03 4 Posner Brian S ACGL Depositary Shares, Series F S - Sale D 19.6600 -3,000 -59 0
2026-05-12 2026-05-11 4 Posner Brian S ACGL Depositary Shares, Series G S - Sale D 17.1415 -2,000 -34 0
2026-05-07 2026-05-05 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 2,071 122,175
2026-03-12 2026-03-11 4 Posner Brian S ACGL Depositary Shares, Series G S - Sale D 17.1150 -3,000 -51 2,000
2025-08-04 2025-08-01 4 Posner Brian S ACGL Depositary Shares, Series G P - Purchase D 17.3380 1,000 17 5,000
2025-05-09 2025-05-07 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 1,564 120,104
2024-05-13 2024-05-09 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 1,455 118,540
2023-05-08 2023-05-04 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 1,714 117,085
2022-11-01 2022-10-28 4 Posner Brian S ACGL Depositary Shares, Series G P - Purchase D 17.6000 2,000 35 4,000
2022-05-06 2022-05-04 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 2,642 115,371
2022-05-06 2022-05-04 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 2,642 115,371
2022-05-02 2022-04-29 4 Posner Brian S ACGL Depositary Shares, Series G P - Purchase D 19.2250 2,000 38 2,000
2021-10-01 2021-09-30 4 Posner Brian S ACGL Depositary Shares, Series E D - Sale to Issuer D 25.0000 -2,000 -50 0
2021-06-15 2021-06-14 4 Posner Brian S ACGL Depositary Shares, Series E S - Sale D 25.2428 -4,000 -101 2,000
2021-05-10 2021-05-06 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 3,143 110,087
2021-05-10 2021-05-06 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 3,143 110,087
2020-05-15 2020-05-13 4 Posner Brian S ACGL Common Shares, $.0011 par value per share P - Purchase D 22.1594 1,000 22 103,801
2020-05-08 2020-05-07 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 5,058 102,801
2020-05-08 2020-05-07 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 5,058 102,801
2020-05-08 2020-05-06 4 Posner Brian S ACGL Common Shares, $.0011 par value per share P - Purchase D 23.7178 1,000 24 92,685
2019-05-09 2019-05-08 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 2,832 91,685
2019-05-09 2019-05-08 4 Posner Brian S ACGL Common Shares, $.0011 par value per share A - Award D 3,726 88,853
2018-11-29 2018-11-28 4 Posner Brian S ACGL Common Shares, $.0011 par value per share P - Purchase D 28.2370 500 14 85,127
2018-11-29 2018-11-28 4 Posner Brian S ACGL Depositary Shares, Series F P - Purchase D 21.8642 500 11 3,000
2018-11-06 2018-11-05 4 Posner Brian S ACGL Depositary Shares, Series F P - Purchase D 22.4496 2,500 56 2,500
2018-05-10 2018-05-09 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,196 28,209
2018-05-10 2018-05-09 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,574 27,013
2018-05-04 2018-05-03 4 Posner Brian S ACGL Common Shares, $.0033 par value per share P - Purchase D 77.3800 1,000 77 25,439
2018-05-04 2018-05-03 4 Posner Brian S ACGL Common Shares, $.0033 par value per share P - Purchase D 79.2480 2,000 158 24,439
2018-01-02 2018-01-02 4 Posner Brian S ACGL Series C Non-Cumulative Preferred Shares (non-convertible) D - Sale to Issuer D 25.0000 -2,146 -54 0
2017-09-26 2017-09-25 4 Posner Brian S ACGL Series C Non-Cumulative Preferred Shares (non-convertible) D - Sale to Issuer D 25.0000 -695 -17 2,146
2017-09-19 2017-09-18 4 Posner Brian S ACGL Series C Non-Cumulative Preferred Shares (non-convertible) D - Sale to Issuer D 25.0000 -4,659 -116 2,841
2017-05-05 2017-05-04 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 771 22,439
2017-05-05 2017-05-04 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,286 21,668
2016-11-21 2016-11-18 4 Posner Brian S ACGL Depositary Shares P - Purchase D 21.8785 6,000 131 6,000
2016-05-09 2016-05-06 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,066 20,382
2016-05-09 2016-05-06 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,777 19,316
2015-05-11 2015-05-07 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,201 17,539
2015-05-11 2015-05-07 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,601 16,338
2014-05-13 2014-05-09 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,317 14,737
2014-05-13 2014-05-09 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,756 13,420
2013-08-20 2013-08-19 4 Posner Brian S ACGL Series C Non-Cumulative Preferred Shares (non-convertible) P - Purchase D 23.5789 2,500 59 7,500
2013-08-05 2013-08-02 4 Posner Brian S ACGL Series C Non-Cumulative Preferred Shares (non-convertible) P - Purchase D 25.2461 5,000 126 5,000
2013-05-13 2013-05-09 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,401 11,664
2013-05-13 2013-05-09 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,401 11,664
2012-05-11 2012-05-09 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,944 8,862
2012-05-11 2012-05-09 4 Posner Brian S ACGL Common Shares, $.0033 par value per share A - Award D 1,944 8,862
2010-11-08 3 Posner Brian S ACGL No securities are beneficially owned D 0
P
非デリバティブまたはデリバティブ証券の公開市場または非公開購入
S
非デリバティブ証券またはデリバティブ証券の公開市場または非公開売却
A
会社からの有価証券の交付、授与その他の取得 (オプション等)
C
デリバティブの転換
D
有価証券の会社への売却または譲渡
F
会社から受領した有価証券の一部を使用した、行使価格または納税義務のお支払い
G
内部者によるまたは内部者に対する有価証券の贈与
K
株式スワップと類似のヘッジ取引
M
会社から受け取ったデリバティブ証券 (オプションなど) の行使または転換
V
フォーム4により任意に報告した取引
J
その他 (取引を説明する脚注を含む)