Posner Brian S

The estimated Net Worth of Posner Brian S is at least $3 Million dollars dollars as of 10/18/2021. Posner Brian S is the Director of Arch Capital Group Ltd. Posner Brian S owns over 3,000 shares of Arch Capital Group Ltd stock worth over $127,410.00. Posner Brian S is the Director of Biogen Inc. Posner Brian S owns over 7,400 shares of Biogen Inc stock worth over $2 Million dollars . Posner Brian S is the Director of Bioverativ Inc. Posner Brian S owns over 6,693 shares of Bioverativ Inc stock worth over $702,631.14.

Posner Brian S mailing address: 14 CAMBRIDGE CENTER CAMBRIDGE MA 02142

Insider Roles

Name Transaction Date Position
Biogen Inc 2020-06-03 director
Arch Capital Group Ltd 2020-05-13 director
Bioverativ Inc 2018-03-08 director
BG Medicine Inc 2014-06-03 director
Lmp Capital & Income Fund Inc 2006-10-11 officer: Officer of the Adviser
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Posner Brian S trading performance

Average Relative Return

36.01%

Average relative return per transaction

Outperforming Transactions

100%

4 out of 4 outperforming transactions.
Each transaction is measured over a period and compared to .

Posner Brian S trading performance analysis

1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Relative Return(%) 12.94 15.97 22.43 36.01 -1.79 53.47
Relative Return to S&P 500(%) 10.26 8.38 16.5 21.77 -17.36 10.67

Posner Brian S trading transactions

Ticker Company Price Insider Name Insider Position Date Buy/Sell Insider Trading Shares Shares Change Price Cost(000) Final Share Price Change Since Insider Trade (%) Dividend Yield % PE Ratio Market Cap ($M)
ACGL
Arch Capital Group Ltd
$42.47
Posner Brian S
Director
2021-06-14 Sell
4,000
-57.14%
$25.24
$100.96
3,000
68.26%
0
8.53
16,819.78
ACGL
Arch Capital Group Ltd
$42.47
Posner Brian S
Director
2020-05-13 Buy
1,000
50%
$22.16
$22.16
3,000
91.65%
0
8.53
16,819.78
ACGL
Arch Capital Group Ltd
$42.47
Posner Brian S
Director
2020-05-06 Buy
1,000
50%
$23.72
$23.72
3,000
79.05%
0
8.53
16,819.78
BIIB
Biogen Inc
$281.19
Posner Brian S
Director
2019-12-02 Sell
1,055
-13.11%
$292.35
$308.43
6,995
-3.82%
0
22.57
41,906.71
ACGL
Arch Capital Group Ltd
$42.47
Posner Brian S
Director
2018-11-28 Buy
1,000
20%
$25.05
$25.05
6,000
69.54%
0
8.53
16,819.78
ACGL
Arch Capital Group Ltd
$42.47
Posner Brian S
Director
2018-11-05 Buy
2,500
71.43%
$22.45
$56.13
6,000
89.18%
0
8.53
16,819.78
ACGL
Arch Capital Group Ltd
$42.47
Posner Brian S
Director
2018-05-03 Buy
3,000
100%
$78.63
$235.89
18,000
-45.99%
0
8.53
16,819.78
BIVV
Bioverativ Inc
$104.98
Posner Brian S
Director
2017-08-09 Buy
1,000
17.57%
$59.19
$59.19
6,693
77.36%
0
At Loss
11,361.32
BIIB
Biogen Inc
$281.19
Posner Brian S
Director
2017-06-09 Sell
1,084
-14.62%
$256.31
$277.84
6,330
9.71%
0
22.57
41,906.71
BIVV
Bioverativ Inc
$104.98
Posner Brian S
Director
2017-05-24 Buy
2,000
54.16%
$53.86
$107.72
5,693
94.91%
0
At Loss
11,361.32
ACGL
Arch Capital Group Ltd
$42.47
Posner Brian S
Director
2016-11-18 Buy
6,000
41.72%
$21.88
$131.28
61,146
94.10%
0
8.53
16,819.78
BIIB
Biogen Inc
$281.19
Posner Brian S
Director
2014-03-31 Sell
3,000
-31.80%
$296.76
$890.28
6,435
-5.25%
0
22.57
41,906.71
BIIB
Biogen Inc
$281.19
Posner Brian S
Director
2013-06-11 Sell
2,020
-17.63%
$219.62
$443.63
9,435
28.03%
0
22.57
41,906.71
BIIB
Biogen Inc
$281.19
Posner Brian S
Director
2013-03-18 Sell
4,500
-30.72%
$174.81
$786.65
10,150
60.85%
0
22.57
41,906.71
BIIB
Biogen Inc
$281.19
Posner Brian S
Director
2012-06-07 Sell
2,500
-16.52%
$135
$337.50
12,630
108.29%
0
22.57
41,906.71
BIIB
Biogen Inc
$281.19
Posner Brian S
Director
2012-06-04 Sell
2,400
-15.97%
$126.45
$303.48
12,630
122.37%
0
22.57
41,906.71
BIIB
Biogen Inc
$281.19
Posner Brian S
Director
2011-08-29 Sell
15,000
-54.29%
$92.53
$1,387.95
12,630
203.89%
0
22.57
41,906.71
BIIB
Biogen Inc
$281.19
Posner Brian S
Director
2011-05-25 Sell
25,975
-72.75%
$94.09
$2,443.99
9,730
198.85%
0
22.57
41,906.71
Total 18
  • 1

Posner Brian S personal network

Name Position Linked company