Posner Brian S (CIK 0001372455)

Latest company ownership

Shares held
120,104
Last filed at
Aug 4, 2025
Confidence Score
53.5
2025Q4
Confidence Score History
2025Q3 2025Q4
Shares held
118,540
Last filed at
May 13, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2013Q3 2025Q4
Role: Director
Shares held
8,025
Last filed at
Jan 27, 2023
Confidence Score
50.0
2025Q4
Confidence Score History
2014Q1 2025Q4
Role: Officer of the Adviser
Shares held
5,000
Last filed at
Oct 11, 2006
Confidence Score
50.0
2025Q4
Confidence Score History
2006Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Aug 1, 2025 Aug 4, 2025 ARCH CAPITAL GROUP LTD. Director Buy 68.8 +1,000 0.79% $17.3K
Oct 28, 2022 Nov 1, 2022 ARCH CAPITAL GROUP LTD. Director Buy 78.8 +2,000 1.66% $35.2K
Apr 29, 2022 May 2, 2022 ARCH CAPITAL GROUP LTD. Director Buy 78.8 +2,000 1.77% $38.5K
Sep 30, 2021 Oct 1, 2021 ARCH CAPITAL GROUP LTD. Director Sell 22.5 -2,000 -1.74% $50K
Jun 14, 2021 Jun 15, 2021 ARCH CAPITAL GROUP LTD. Director Sell 22.5 -4,000 -3.36% $101K
Jun 4, 2021 Jun 7, 2021 BIOGEN INC. Director Sell 37.5 -360 -4.64% $98.7K
May 13, 2020 May 15, 2020 ARCH CAPITAL GROUP LTD. Director Buy 68.8 +1,000 0.89% $22.2K
May 6, 2020 May 8, 2020 ARCH CAPITAL GROUP LTD. Director Buy 91.3 +11,116 11.04% $23.7K
Dec 2, 2019 Dec 3, 2019 BIOGEN INC. Director Sell 22.5 -1,055 -13.11% $308.4K
Nov 28, 2018 Nov 29, 2018 ARCH CAPITAL GROUP LTD. Director Buy 78.8 +1,000 1.07% $25.1K
Nov 5, 2018 Nov 6, 2018 ARCH CAPITAL GROUP LTD. Director Buy 87.5 +2,500 2.76% $56.1K
May 3, 2018 May 4, 2018 ARCH CAPITAL GROUP LTD. Director Buy 95.0 +3,000 10.55% $235.9K
Jan 2, 2018 Jan 2, 2018 ARCH CAPITAL GROUP LTD. Director Sell 22.5 -2,146 -7.02% $53.7K
Sep 25, 2017 Sep 26, 2017 ARCH CAPITAL GROUP LTD. Director Sell 26.3 -695 -2.22% $17.4K
Sep 18, 2017 Sep 19, 2017 ARCH CAPITAL GROUP LTD. Director Sell 22.5 -4,659 -12.96% $116.5K
Jun 9, 2017 Jun 12, 2017 BIOGEN INC. Director Sell 22.5 -1,084 -14.62% $277.8K
Nov 18, 2016 Nov 21, 2016 ARCH CAPITAL GROUP LTD. Director Buy 95.0 +6,000 21.52% $131.3K
Jun 22, 2015 Jun 23, 2015 BIOGEN INC. Director Sell 28.8 -470 -8.18% $195.1K
Jun 15, 2015 Jun 16, 2015 BIOGEN INC. Director Sell 32.5 -400 -6.51% $154.7K
Jun 20, 2014 Jun 23, 2014 BIOGEN INC. Director Sell 28.8 -605 -9.16% $190.6K
Jun 12, 2014 Jun 16, 2014 BIOGEN INC. Director Sell 87.5 +170 2.64% $217.4K
Mar 31, 2014 Apr 1, 2014 BIOGEN INC. Director Sell 7.5 -3,000 -31.80% $890.3K
Aug 19, 2013 Aug 20, 2013 ARCH CAPITAL GROUP LTD. Director Buy 95.0 +2,500 15.00% $58.9K
Aug 2, 2013 Aug 5, 2013 ARCH CAPITAL GROUP LTD. Director Buy 95.0 +5,000 42.87% $126.2K
Oct 11, 2006 Oct 11, 2006 LMP CAPITAL & INCOME FUND INC. Officer of the Adviser Buy 95.0 +5,000 100.00% $89.8K