Last updated: 13 May 2024 at 7:02pm EST

Brian Posner Net Worth




The estimated Net Worth of Brian S Posner is at least $4.91 Million dollars as of 28 October 2022. Mr. Posner owns over 2,000 units of Biogen Inc stock worth over $796,360 and over the last 18 years he sold BIIB stock worth over $3,664,119. In addition, he makes $444,643 as Independent Director at Biogen Inc.

Mr. Posner BIIB stock SEC Form 4 insiders trading

Brian has made over 41 trades of the Biogen Inc stock since 2006, according to the Form 4 filled with the SEC. Most recently he bought 2,000 units of BIIB stock worth $35,200 on 28 October 2022.

The largest trade he's ever made was exercising 25,975 units of Biogen Inc stock on 25 May 2011 worth over $1,746,819. On average, Brian trades about 1,372 units every 56 days since 2006. As of 28 October 2022 he still owns at least 4,000 units of Biogen Inc stock.

You can see the complete history of Mr. Posner stock trades at the bottom of the page.





Brian Posner biography

Brian S. Posner is an Independent Director of Biogen Inc. Mr. Posner has been a private investor since March 2008 and is the founder and Managing Partner of Point Rider Group LLC, a boutique consulting and advisory services firm that provides customized solutions to senior executives and boards of financial, bio-pharmaceutical and other services-related companies, as well as strategic investors that make, direct and control investments in those sectors. From 2005 to March 2008 Mr. Posner served as the President, Chief Executive Officer and co-Chief Investment Officer of ClearBridge Advisors LLC, an asset management company and a wholly-owned subsidiary of Legg Mason. Prior to that, Mr. Posner co-founded Hygrove Partners LLC, a private investment fund, in 2000 and served as its Managing Partner for five years. He served as a portfolio manager and an analyst at Fidelity Investments, a financial services company, from 1987 to 1996 and, from 1997 to 1999, at Warburg Pincus Asset Management/Credit Suisse Asset Management where he also served as co-Chief Investment Officer and Director of Research. Mr. Posner also serves as a director of AQR Funds, an investment fund, and Arch Capital Group Ltd., a specialty insurance and reinsurance provider.

What is the salary of Brian Posner?

As the Independent Director of Biogen Inc, the total compensation of Brian Posner at Biogen Inc is $444,643. There are 11 executives at Biogen Inc getting paid more, with Michel Vounatsos having the highest compensation of $18,159,900.



How old is Brian Posner?

Brian Posner is 58, he's been the Independent Director of Biogen Inc since 2008. There are 12 older and 11 younger executives at Biogen Inc. The oldest executive at Biogen Inc is Stelios Papadopoulos, 72, who is the Independent Chairman of the Board.

What's Brian Posner's mailing address?

Brian's mailing address filed with the SEC is C/O ARCH CAPITAL GROUP LTD., WATERLOO HOUSE, 100 PITTS BAY ROAD, PEMBROKE, D0, HM 08.

Insiders trading at Biogen Inc

Over the last 21 years, insiders at Biogen Inc have traded over $166,883,156 worth of Biogen Inc stock and bought 665,319 units worth $183,001,783 . The most active insiders traders include Adam Koppel, Alexander J Denner, and Stelios Papadopoulos. On average, Biogen Inc executives and independent directors trade stock every 10 days with the average trade being worth of $2,343,090. The most recent stock trade was executed by Priya Singhal on 30 August 2024, trading 1,668 units of BIIB stock currently worth $332,082.



What does Biogen Inc do?

through cutting-edge science and medicine, biogen discovers, develops and delivers innovative therapies worldwide for people living with serious neurological and neurodegenerative diseases. founded in 1978, biogen is a pioneer in biotechnology and today the company has the leading portfolio of medicines to treat multiple sclerosis, has introduced the first and only approved treatment for spinal muscular atrophy, and is at the forefront of neurology research for conditions including alzheimer’s disease, parkinson’s disease and amyotrophic lateral sclerosis. biogen also manufactures and commercializes biosimilars of advanced biologics. with approximately 7000 people worldwide, we are truly a global organization, headquartered in cambridge, massachusetts, which is also home to our research operations. our international headquarters are based in zug, switzerland and we have world-class manufacturing facilities in north carolina and denmark. we offer therapies globally through direct affili



What does Biogen Inc's logo look like?

Biogen Inc logo

Complete history of Mr. Posner stock trades at Arch Capital Ltd, Arch Capital Ltd, Biogen Inc, Arch Capital Ltd, and LMP Capital and Income Fund Inc

Date
#
Company
Insider
Trans.
Transaction
Shares Price per share Total value Shares after Source
28 Oct 2022 Brian S Posner
Buy 2,000 $17.60 $35,200
28 Oct 2022
4,000
29 Apr 2022 Brian S Posner
Buy 2,000 $19.23 $38,460
29 Apr 2022
2,000
14 Jun 2021 Brian S Posner
Sale 4,000 $25.24 $100,960
14 Jun 2021
2,000
13 May 2020 Brian S Posner
Buy 1,000 $22.16 $22,160
13 May 2020
103,801
6 May 2020 Brian S Posner
Buy 1,000 $23.72 $23,720
6 May 2020
92,685
28 Nov 2018 Brian S Posner
Buy 1,000 $25.05 $25,050
28 Nov 2018
85,127
5 Nov 2018 Brian S Posner
Buy 2,500 $22.45 $56,125
5 Nov 2018
2,500
3 May 2018 Brian S Posner
Buy 3,000 $78.63 $235,890
3 May 2018
25,439
18 Nov 2016 Brian S Posner
Buy 6,000 $21.88 $131,280
18 Nov 2016
6,000
18 Nov 2016 Brian S Posner
Buy 6,000 $21.88 $131,280
18 Nov 2016
6,000
19 Aug 2013 Brian S Posner
Buy 2,500 $23.58 $58,950
19 Aug 2013
7,500
2 Aug 2013 Brian S Posner
Buy 5,000 $25.25 $126,250
2 Aug 2013
5,000
4 Jun 2021 Brian S Posner
Director
Sale 360 $274.17 $98,701
4 Jun 2021
7,400
2 Dec 2019 Brian S Posner
Director
Sale 1,055 $292.35 $308,429
2 Dec 2019
6,995
9 Jun 2017 Brian S Posner
Director
Sale 1,084 $256.31 $277,840
9 Jun 2017
6,330
22 Jun 2015 Brian S Posner
Director
Sale 470 $415.00 $195,050
22 Jun 2015
5,275
15 Jun 2015 Brian S Posner
Director
Sale 400 $386.64 $154,656
15 Jun 2015
5,745
20 Jun 2014 Brian S Posner
Director
Sale 605 $315.00 $190,575
20 Jun 2014
6,000
12 Jun 2014 Brian S Posner
Director
Sale 700 $310.50 $217,350
12 Jun 2014
6,605
31 Mar 2014 Brian S Posner
Director
Sale 3,000 $296.76 $890,280
31 Mar 2014
6,435
11 Jun 2013 Brian S Posner
Director
Sale 2,020 $219.62 $443,632
11 Jun 2013
8,130
18 Mar 2013 Brian S Posner
Director
Sale 4,500 $174.81 $786,645
18 Mar 2013
10,150
7 Jun 2012 Brian S Posner
Director
Option 2,500 $71.38 $178,450
7 Jun 2012
15,130
4 Jun 2012 Brian S Posner
Director
Option 2,400 $71.38 $171,312
4 Jun 2012
15,030
29 Aug 2011 Brian S Posner
Director
Option 15,000 $71.38 $1,070,700
29 Aug 2011
27,630
25 May 2011 Brian S Posner
Director
Option 25,975 $67.25 $1,746,819
25 May 2011
35,705
28 Nov 2018 Brian S Posner
Director
Buy 1,000 $25.05 $25,050
28 Nov 2018
85,127
5 Nov 2018 Brian S Posner
Director
Buy 2,500 $22.45 $56,125
5 Nov 2018
2,500
3 May 2018 Brian S Posner
Director
Buy 3,000 $78.63 $235,890
3 May 2018
25,439
18 Nov 2016 Brian S Posner
Director
Buy 6,000 $21.88 $131,280
18 Nov 2016
6,000
19 Aug 2013 Brian S Posner
Director
Buy 2,500 $23.58 $58,950
19 Aug 2013
7,500
2 Aug 2013 Brian S Posner
Director
Buy 5,000 $25.25 $126,250
2 Aug 2013
5,000
28 Nov 2018 Brian S Posner
Director
Buy 1,000 $25.05 $25,050
28 Nov 2018
85,127
5 Nov 2018 Brian S Posner
Director
Buy 2,500 $22.45 $56,125
5 Nov 2018
2,500
3 May 2018 Brian S Posner
Director
Buy 3,000 $78.63 $235,890
3 May 2018
25,439
18 Nov 2016 Brian S Posner
Director
Buy 6,000 $21.88 $131,280
18 Nov 2016
6,000
19 Aug 2013 Brian S Posner
Director
Buy 2,500 $23.58 $58,950
19 Aug 2013
7,500
2 Aug 2013 Brian S Posner
Director
Buy 5,000 $25.25 $126,250
2 Aug 2013
5,000
11 Oct 2006 Brian S Posner
Officer of the Adviser
Buy 5,000 $17.95 $89,750
11 Oct 2006
5,000


Biogen Inc executives and stock owners

Biogen Inc executives and other stock owners filed with the SEC include: