Alexander J Denner - Net Worth and Insider Trading

Alexander J Denner Net Worth

The estimated net worth of Alexander J Denner is at least $1.3 Billion dollars as of 2024-04-25. Alexander J Denner is the Director of The Medicines Co and owns about 4,216,092 shares of The Medicines Co (MDCO) stock worth over $358 Million. Alexander J Denner is the Director of ARIAD Pharmaceuticals Inc and owns about 12,000,000 shares of ARIAD Pharmaceuticals Inc (ARIA) stock worth over $288 Million. Alexander J Denner is also the Director, 10% Owner of Ironwood Pharmaceuticals Inc and owns about 32,742,844 shares of Ironwood Pharmaceuticals Inc (IRWD) stock worth over $265 Million. Besides these, Alexander J Denner also holds Biogen Inc (BIIB) , Bioverativ Inc (BIVV) , Innoviva Inc (INVA) , Iterum Therapeutics PLC (ITRM) , VIVUS Inc (VVUSQ) , Seelos Therapeutics Inc (SEEL) . Details can be seen in Alexander J Denner's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that Alexander J Denner has not made any transactions after 2023-06-15 and currently still holds the listed stock(s).

Transaction Summary of Alexander J Denner

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Alexander J Denner Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Alexander J Denner owns 14 companies in total, including Biogen Inc (BIIB) , The Medicines Co (MDCO) , and Regulus Therapeutics Inc (RGLS) among others .

Click here to see the complete history of Alexander J Denner’s form 4 insider trades.

Insider Ownership Summary of Alexander J Denner

Ticker Comapny Transaction Date Type of Owner
BIIB Biogen Inc 2019-05-02 director
MDCO The Medicines Co 2020-01-06 director
RGLS Regulus Therapeutics Inc 2019-05-07 10 percent owner
SEEL Seelos Therapeutics Inc 2017-08-31 10 percent owner
BIVV Bioverativ Inc 2018-03-08 director
ARIA ARIAD Pharmaceuticals Inc 2017-02-16 director
VVUSQ VIVUS Inc 2015-10-30 director
ENZN Enzon Pharmaceuticals Inc 2009-05-21 director
SVRA Savara Inc 2006-10-26 director
SRSAU Sarissa Capital Acquisition Corp 2020-10-20 10 percent owner
IRWD Ironwood Pharmaceuticals Inc 2021-03-10 director
ITRM Iterum Therapeutics PLC 2021-02-12 10 percent owner
SRSA Sarissa Capital Acquisition Corp 2020-10-20 10 percent owner
INVA Innoviva Inc 2023-06-15 10 percent owner

Alexander J Denner Latest Holdings Summary

Alexander J Denner currently owns a total of 9 stocks. Among these stocks, Alexander J Denner owns 4,216,092 shares of The Medicines Co (MDCO) as of June 28, 2019, with a value of $358 Million and a weighting of 28%. Alexander J Denner owns 12,000,000 shares of ARIAD Pharmaceuticals Inc (ARIA) as of February 20, 2014, with a value of $288 Million and a weighting of 22.52%. Alexander J Denner also owns 32,742,844 shares of Ironwood Pharmaceuticals Inc (IRWD) as of March 10, 2021, with a value of $265 Million and a weighting of 20.75%. The other 6 stocks Biogen Inc (BIIB) , Bioverativ Inc (BIVV) , Innoviva Inc (INVA) , Iterum Therapeutics PLC (ITRM) , VIVUS Inc (VVUSQ) , Seelos Therapeutics Inc (SEEL) have a combined weighting of 28.74% among all his current holdings.

Latest Holdings of Alexander J Denner

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
MDCO The Medicines Co 2019-06-28 4,216,092 84.90 357,946,211
ARIA ARIAD Pharmaceuticals Inc 2014-02-20 12,000,000 23.99 287,880,000
IRWD Ironwood Pharmaceuticals Inc 2021-03-10 32,742,844 8.10 265,217,036
BIIB Biogen Inc 2019-05-02 653,909 201.99 132,083,079
BIVV Bioverativ Inc 2017-05-30 1,170,001 104.98 122,826,705
INVA Innoviva Inc 2023-06-15 7,277,000 15.16 110,319,320
ITRM Iterum Therapeutics PLC 2021-02-12 1,374,464 1.55 2,130,419
VVUSQ VIVUS Inc 2013-11-11 257,394 0.12 30,218
SEEL Seelos Therapeutics Inc 2017-08-31 1,609 0.30 484

Holding Weightings of Alexander J Denner


Alexander J Denner Form 4 Trading Tracker

According to the SEC Form 4 filings, Alexander J Denner has made a total of 3 transactions in The Medicines Co (MDCO) over the past 5 years, including 3 buys and 0 sells. The most-recent trade in The Medicines Co is the acquisition of 50,000 shares on June 28, 2019, which cost Alexander J Denner around $2 Million.

According to the SEC Form 4 filings, Alexander J Denner has made a total of 0 transactions in ARIAD Pharmaceuticals Inc (ARIA) over the past 5 years. The most-recent trade in ARIAD Pharmaceuticals Inc is the sale of 0 shares on February 20, 2014, which brought Alexander J Denner around $0.

According to the SEC Form 4 filings, Alexander J Denner has made a total of 3 transactions in Ironwood Pharmaceuticals Inc (IRWD) over the past 5 years, including 3 buys and 0 sells. The most-recent trade in Ironwood Pharmaceuticals Inc is the acquisition of 225,000 shares on March 10, 2021, which cost Alexander J Denner around $2 Million.

More details on Alexander J Denner's insider transactions can be found in the Insider Trading History of Alexander J Denner table.

Insider Trading History of Alexander J Denner

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
Total 0
  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

Alexander J Denner Trading Performance

GuruFocus tracks the stock performance after each of Alexander J Denner's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Alexander J Denner is 11.88%. GuruFocus also compares Alexander J Denner's trading performance to market benchmark return within the same time period. The performance of stocks bought by Alexander J Denner within 3 months outperforms 17 times out of 28 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how Alexander J Denner's insider trading performs compared to the benchmark.

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Performance of Alexander J Denner

Average Return

62.16%

Average return per transaction

Outperforming Transactions

67%

10 out of 15 outperforming transactions.
Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Return(%) 3.41 11.88 31.31 62.16 -4.61 -13.47
Relative Return to S&P 500(%) 0.43 7.24 22.49 49.09 -13.19 -24.73

Alexander J Denner Ownership Network

Ownership Network List of Alexander J Denner

No Data

Ownership Network Relation of Alexander J Denner


Alexander J Denner Owned Company Details

What does Biogen Inc do?

Who are the key executives at Biogen Inc?

Alexander J Denner 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, Alexander J Denner 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.

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Biogen Inc Insider Transactions

No Available Data

Alexander J Denner Mailing Address

Above is the net worth, insider trading, and ownership report for Alexander J Denner. You might contact Alexander J Denner via mailing address: C/o Sarissa Capital Management Lp, 660 Steamboat Road, 3rd Floor, Greenwich Ct 06830.

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