Brian S Posner - Net Worth and Insider Trading
Brian S Posner Net Worth
The estimated net worth of Brian S Posner is at least $2 Million dollars as of 2024-04-19. Brian S Posner is the Director of Biogen Inc and owns about 7,400 shares of Biogen Inc (BIIB) stock worth over $1 Million. Brian S Posner is the Director of Bioverativ Inc and owns about 6,693 shares of Bioverativ Inc (BIVV) stock worth over $702,631. Brian S Posner is also the Director of Arch Capital Group Ltd and owns about 3,000 shares of Arch Capital Group Ltd (ACGL) stock worth over $278,790. Details can be seen in Brian S Posner's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that Brian S Posner has not made any transactions after 2022-10-28 and currently still holds the listed stock(s).
Transaction Summary of Brian S Posner
Brian S Posner Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Brian S Posner owns 5 companies in total, including Biogen Inc (BIIB) , Arch Capital Group Ltd (ACGL) , and Bioverativ Inc (BIVV) among others .
Click here to see the complete history of Brian S Posner’s form 4 insider trades.
Insider Ownership Summary of Brian S Posner
| Ticker | Comapny | Transaction Date | Type of Owner |
|---|---|---|---|
| BIIB | Biogen Inc | 2021-06-04 | director |
| ACGL | Arch Capital Group Ltd | 2022-10-28 | director |
| BIVV | Bioverativ Inc | 2018-03-08 | director |
| BGMD | BG Medicine Inc | 2014-06-03 | director |
| SCD | Lmp Capital & Income Fund Inc | 2006-08-01 | other: Pres. & CEO & CoCIO of SubAdvis |
Brian S Posner Latest Holdings Summary
Brian S Posner currently owns a total of 3 stocks. Among these stocks, Brian S Posner owns 7,400 shares of Biogen Inc (BIIB) as of June 4, 2021, with a value of $1 Million and a weighting of 59.44%. Brian S Posner owns 6,693 shares of Bioverativ Inc (BIVV) as of August 9, 2017, with a value of $702,631 and a weighting of 29.04%. Brian S Posner also owns 3,000 shares of Arch Capital Group Ltd (ACGL) as of October 28, 2022, with a value of $278,790 and a weighting of 11.52%.
Latest Holdings of Brian S Posner
| Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| BIIB | Biogen Inc | 2021-06-04 | 7,400 | 194.38 | 1,438,412 |
| BIVV | Bioverativ Inc | 2017-08-09 | 6,693 | 104.98 | 702,631 |
| ACGL | Arch Capital Group Ltd | 2022-10-28 | 3,000 | 92.93 | 278,790 |
Holding Weightings of Brian S Posner
Brian S Posner Form 4 Trading Tracker
According to the SEC Form 4 filings, Brian S Posner has made a total of 2 transactions in Biogen Inc (BIIB) over the past 5 years, including 0 buys and 2 sells. The most-recent trade in Biogen Inc is the sale of 360 shares on June 4, 2021, which brought Brian S Posner around $98,701.
According to the SEC Form 4 filings, Brian S Posner has made a total of 0 transactions in Bioverativ Inc (BIVV) over the past 5 years. The most-recent trade in Bioverativ Inc is the acquisition of 1,000 shares on August 9, 2017, which cost Brian S Posner around $59,190.
According to the SEC Form 4 filings, Brian S Posner has made a total of 5 transactions in Arch Capital Group Ltd (ACGL) over the past 5 years, including 4 buys and 1 sells. The most-recent trade in Arch Capital Group Ltd is the acquisition of 2,000 shares on October 28, 2022, which cost Brian S Posner around $35,200.
Insider Trading History of Brian S Posner
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Brian S Posner Trading Performance
GuruFocus tracks the stock performance after each of Brian S Posner's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Brian S Posner is 13.8%. GuruFocus also compares Brian S Posner's trading performance to market benchmark return within the same time period. The performance of stocks bought by Brian S Posner within 3 months outperforms 8 times out of 10 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Brian S Posner's insider trading performs compared to the benchmark.
Performance of Brian S Posner
Average Return
50.19%
Outperforming Transactions
100%
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 10.81 | 13.8 | 28.02 | 50.19 | 16.06 | 26.54 |
| Relative Return to S&P 500(%) | 8.83 | 7.33 | 19.28 | 30.53 | 2.08 | 10.75 |
Brian S Posner Ownership Network
Ownership Network List of Brian S Posner
Ownership Network Relation of Brian S Posner
Brian S Posner Owned Company Details
What does Biogen Inc do?
Who are the key executives at Biogen Inc?
Brian S Posner is the director of Biogen Inc. Other key executives at Biogen Inc include Head of Development Priya Singhal , Head of Research Jane Grogan , and EVP & Human Resources Ginger Gregory .
Biogen Inc (BIIB) Insider Trades Summary
Over the past 18 months, Brian S Posner made no insider transaction in Biogen Inc (BIIB). Other recent insider transactions involving Biogen Inc (BIIB) include a net sale of 2,797 shares made by Priya Singhal , a net sale of 8,291 shares made by Ginger Gregory , and a net sale of 5,532 shares made by Susan H Alexander .
In summary, during the past 3 months, insiders sold 1,516 shares of Biogen Inc (BIIB) in total and bought 455 shares, with a net sale of 1,061 shares. During the past 18 months, 16,620 shares of Biogen Inc (BIIB) were sold and 455 shares were bought by its insiders, resulting in a net sale of 16,165 shares.
Biogen Inc (BIIB)'s detailed insider trading history can be found in Insider Trading Tracker table.
Biogen Inc Insider Transactions
Brian S Posner Mailing Address
Above is the net worth, insider trading, and ownership report for Brian S Posner. You might contact Brian S Posner via mailing address: 14 Cambridge Center, Cambridge Ma 02142.
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