Alexander J Denner - Net Worth and Insider Trading

Alexander J Denner Net Worth

The estimated net worth of Alexander J Denner is at least $1.1 Billion dollars as of 2024-12-26. 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 $150 Million. Besides these, Alexander J Denner also holds Innoviva Inc (INVA) , Bioverativ Inc (BIVV) , Biogen Inc (BIIB) , Iterum Therapeutics PLC (ITRM) , VIVUS Inc (VVUSQ) , Seelos Therapeutics Inc (SEELQ) . 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 final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Alexander J Denner has not made any transactions after 2023-06-15 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Alexander J Denner

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
		2017-08-31	10 percent owner
		2018-03-08	director
		2017-02-16	director
		2015-10-30	director
		2009-05-21	director
		2006-10-26	director
		2020-10-20	10 percent owner
		2021-03-10	director
		2021-02-12	10 percent owner
		2020-10-20	10 percent owner
		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 31.18%. 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 25.07%. Alexander J Denner also owns 32,742,844 shares of Ironwood Pharmaceuticals Inc (IRWD) as of March 10, 2021, with a value of $150 Million and a weighting of 13.09%. The other 6 stocks Innoviva Inc (INVA) , Bioverativ Inc (BIVV) , Biogen Inc (BIIB) , Iterum Therapeutics PLC (ITRM) , VIVUS Inc (VVUSQ) , Seelos Therapeutics Inc (SEELQ) have a combined weighting of 30.66% 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	4.59	150,289,654
INVA	Innoviva Inc	2023-06-15	7,277,000	17.65	128,439,050
BIVV	Bioverativ Inc	2017-05-30	1,170,001	104.98	122,826,705
BIIB	Biogen Inc	2019-05-02	653,909	149.90	98,020,959
ITRM	Iterum Therapeutics PLC	2021-02-12	1,374,464	2.00	2,748,928
VVUSQ	VIVUS Inc	2013-11-11	257,394	0.12	30,218
SEELQ	Seelos Therapeutics Inc	2017-08-31	13	0.23	3

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 0 transactions in The Medicines Co (MDCO) over the past 5 years. 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

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

Average return per transaction

Outperforming Transactions

16 out of 21 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
Relative Return to S&P 500(%)	0.43

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 2,679 shares made by Priya Singhal , and a net purchase of 455 shares made by Eric K Rowinsky .

In summary, during the past 3 months, insiders sold 110 shares of Biogen Inc (BIIB) in total and bought 0 shares, with a net sale of 110 shares. During the past 18 months, 2,679 shares of Biogen Inc (BIIB) were sold and 455 shares were bought by its insiders, resulting in a net sale of 2,224 shares.

Biogen Inc (BIIB)'s detailed insider trading history can be found in Insider Trading Tracker table.

Biogen Inc Insider Transactions

No Available Data

What does The Medicines Co do?

Who are the key executives at The Medicines Co?

Alexander J Denner is the director of The Medicines Co. Other key executives at The Medicines Co include Chief Development Officer Peter Wijngaard , EVP & Chief Corp. Dev. Officer Christopher T Cox , and director & Executive Chairman Fredric N Eshelman .

The Medicines Co (MDCO) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of The Medicines Co (MDCO) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of The Medicines Co (MDCO) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

The Medicines Co (MDCO)'s detailed insider trading history can be found in Insider Trading Tracker table.

The Medicines Co Insider Transactions

No Available Data

What does Regulus Therapeutics Inc do?

Who are the key executives at Regulus Therapeutics Inc?

Alexander J Denner is the 10 percent owner of Regulus Therapeutics Inc. Other key executives at Regulus Therapeutics Inc include Chief Financial Officer Crispina Calsada , Sr. VP & General Counsel Christopher Ray Aker , and Chief Operating Officer Joseph P Hagan .

Regulus Therapeutics Inc (RGLS) Insider Trades Summary

Over the past 18 months, Alexander J Denner made no insider transaction in Regulus Therapeutics Inc (RGLS). Other recent insider transactions involving Regulus Therapeutics Inc (RGLS) include a net sale of 14,580 shares made by Joseph P Hagan , a net sale of 5,468 shares made by Christopher Ray Aker , and a net sale of 5,468 shares made by Crispina Calsada .

In summary, during the past 3 months, insiders sold 0 shares of Regulus Therapeutics Inc (RGLS) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 25,516 shares of Regulus Therapeutics Inc (RGLS) were sold and 4,000 shares were bought by its insiders, resulting in a net sale of 21,516 shares.

Regulus Therapeutics Inc (RGLS)'s detailed insider trading history can be found in Insider Trading Tracker table.

Regulus Therapeutics Inc Insider Transactions

No Available Data

What does Seelos Therapeutics Inc do?

Who are the key executives at Seelos Therapeutics Inc?

Alexander J Denner is the 10 percent owner of Seelos Therapeutics Inc. Other key executives at Seelos Therapeutics Inc include director & See Remarks Raj Mehra , Chief Financial Officer Michael Joseph Golembiewski , and SVP & Chief Business Officer Neil Morton .

Seelos Therapeutics Inc (SEELQ) Insider Trades Summary

Over the past 18 months, Alexander J Denner made no insider transaction in Seelos Therapeutics Inc (SEELQ). Other recent insider transactions involving Seelos Therapeutics Inc (SEELQ) include a net purchase of 83,000 shares made by Michael Joseph Golembiewski , and a net purchase of 75,757 shares made by Raj Mehra .

In summary, during the past 3 months, insiders sold 0 shares of Seelos Therapeutics Inc (SEELQ) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Seelos Therapeutics Inc (SEELQ) were sold and 1,240 shares were bought by its insiders, resulting in a net purchase of 1,240 shares.

Seelos Therapeutics Inc (SEELQ)'s detailed insider trading history can be found in Insider Trading Tracker table.

Seelos Therapeutics Inc Insider Transactions

No Available Data

What does Bioverativ Inc do?

Who are the key executives at Bioverativ Inc?

Alexander J Denner is the director of Bioverativ Inc. Other key executives at Bioverativ Inc include director & Chief Executive Officer John Cox , EVP & CFO and Treasurer John Greene , and Chief Accounting Officer Diantha Duvall .

Bioverativ Inc (BIVV) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of Bioverativ Inc (BIVV) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Bioverativ Inc (BIVV) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

Bioverativ Inc (BIVV)'s detailed insider trading history can be found in Insider Trading Tracker table.

Bioverativ Inc Insider Transactions

No Available Data

What does ARIAD Pharmaceuticals Inc do?

Who are the key executives at ARIAD Pharmaceuticals Inc?

Alexander J Denner is the director of ARIAD Pharmaceuticals Inc. Other key executives at ARIAD Pharmaceuticals Inc include EVP & CFO & Treasurer Manmeet Singh Soni , SVP & Chief Business Officer Hugh M Cole , and director & President and CEO Paris Panayiotopoulos .

ARIAD Pharmaceuticals Inc (ARIA) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of ARIAD Pharmaceuticals Inc (ARIA) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of ARIAD Pharmaceuticals Inc (ARIA) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

ARIAD Pharmaceuticals Inc (ARIA)'s detailed insider trading history can be found in Insider Trading Tracker table.

ARIAD Pharmaceuticals Inc Insider Transactions

No Available Data

What does VIVUS Inc do?

Who are the key executives at VIVUS Inc?

Alexander J Denner is the director of VIVUS Inc. Other key executives at VIVUS Inc include director & Chief Executive Officer John P. Amos , Chief Medical Officer Santosh T Varghese , and Chief Financial Officer & CAO Mark K Oki .

VIVUS Inc (VVUSQ) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of VIVUS Inc (VVUSQ) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of VIVUS Inc (VVUSQ) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

VIVUS Inc (VVUSQ)'s detailed insider trading history can be found in Insider Trading Tracker table.

VIVUS Inc Insider Transactions

No Available Data

What does Enzon Pharmaceuticals Inc do?

Who are the key executives at Enzon Pharmaceuticals Inc?

Alexander J Denner is the director of Enzon Pharmaceuticals Inc. Other key executives at Enzon Pharmaceuticals Inc include other: See Footnote 1 Family Fund Couchman , other: See explanation of responses Brian James Harper , and other: See explanation of responses Harper Asset Management Llc .

Enzon Pharmaceuticals Inc (ENZN) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of Enzon Pharmaceuticals Inc (ENZN) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Enzon Pharmaceuticals Inc (ENZN) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

Enzon Pharmaceuticals Inc (ENZN)'s detailed insider trading history can be found in Insider Trading Tracker table.

Enzon Pharmaceuticals Inc Insider Transactions

No Available Data

What does Savara Inc do?

Who are the key executives at Savara Inc?

Alexander J Denner is the director of Savara Inc. Other key executives at Savara Inc include Chief Financial Officer David L Lowrance , 10 percent owner Rick Yang , and 10 percent owner Forest Baskett .

Savara Inc (SVRA) Insider Trades Summary

Over the past 18 months, Alexander J Denner made no insider transaction in Savara Inc (SVRA). Other recent insider transactions involving Savara Inc (SVRA) include a net sale of 138,702 shares made by Matthew Pauls , a net sale of 35,000 shares made by David L Lowrance , and a net purchase of 333,333 shares made by Paul Edward Walker .

In summary, during the past 3 months, insiders sold 87,702 shares of Savara Inc (SVRA) in total and bought 120,000 shares, with a net purchase of 32,298 shares. During the past 18 months, 275,545 shares of Savara Inc (SVRA) were sold and 3,453,330 shares were bought by its insiders, resulting in a net purchase of 3,177,785 shares.

Savara Inc (SVRA)'s detailed insider trading history can be found in Insider Trading Tracker table.

Savara Inc Insider Transactions

No Available Data

What does Sarissa Capital Acquisition Corp do?

Who are the key executives at Sarissa Capital Acquisition Corp?

Alexander J Denner is the 10 percent owner of Sarissa Capital Acquisition Corp. Other key executives at Sarissa Capital Acquisition Corp include Senior Managing Director Kostas D Odysseas , Senior Managing Director Mark Dipaolo , and 10 percent owner Sarissa Capital Management Lp .

Sarissa Capital Acquisition Corp (SRSAU) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of Sarissa Capital Acquisition Corp (SRSAU) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Sarissa Capital Acquisition Corp (SRSAU) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

Sarissa Capital Acquisition Corp (SRSAU)'s detailed insider trading history can be found in Insider Trading Tracker table.

Sarissa Capital Acquisition Corp Insider Transactions

No Available Data

What does Ironwood Pharmaceuticals Inc do?

Who are the key executives at Ironwood Pharmaceuticals Inc?

Alexander J Denner is the director of Ironwood Pharmaceuticals Inc. Other key executives at Ironwood Pharmaceuticals Inc include SVP & Chief Business Officer Andrew Davis , SVP & Chief Financial Officer Sravan Kumar Emany , and Principal Accounting Officer Ronald Silver .

Ironwood Pharmaceuticals Inc (IRWD) Insider Trades Summary

Over the past 18 months, Alexander J Denner made no insider transaction in Ironwood Pharmaceuticals Inc (IRWD). Other recent insider transactions involving Ironwood Pharmaceuticals Inc (IRWD) include a net sale of 81,739 shares made by Minardo John , a net sale of 41,218 shares made by Andrew Davis , and a net purchase of 35,755 shares made by Sravan Kumar Emany .

In summary, during the past 3 months, insiders sold 16,361 shares of Ironwood Pharmaceuticals Inc (IRWD) in total and bought 0 shares, with a net sale of 16,361 shares. During the past 18 months, 559,169 shares of Ironwood Pharmaceuticals Inc (IRWD) were sold and 53,676 shares were bought by its insiders, resulting in a net sale of 505,493 shares.

Ironwood Pharmaceuticals Inc (IRWD)'s detailed insider trading history can be found in Insider Trading Tracker table.

Ironwood Pharmaceuticals Inc Insider Transactions

No Available Data

What does Iterum Therapeutics PLC do?

Who are the key executives at Iterum Therapeutics PLC?

Alexander J Denner is the 10 percent owner of Iterum Therapeutics PLC. Other key executives at Iterum Therapeutics PLC include Chief Scientific Officer Michael W. Dunne , director & President & CEO Fishman Corey N. , and Chief Medical Officer Sailaja Puttagunta .

Iterum Therapeutics PLC (ITRM) Insider Trades Summary

Over the past 18 months, Alexander J Denner made no insider transaction in Iterum Therapeutics PLC (ITRM). Other recent insider transactions involving Iterum Therapeutics PLC (ITRM) include a net purchase of 55,000 shares made by Michael W. Dunne , and a net purchase of 10,000 shares made by Fishman Corey N. .

In summary, during the past 3 months, insiders sold 0 shares of Iterum Therapeutics PLC (ITRM) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Iterum Therapeutics PLC (ITRM) were sold and 65,000 shares were bought by its insiders, resulting in a net purchase of 65,000 shares.

Iterum Therapeutics PLC (ITRM)'s detailed insider trading history can be found in Insider Trading Tracker table.

Iterum Therapeutics PLC Insider Transactions

No Available Data

What does Sarissa Capital Acquisition Corp do?

Who are the key executives at Sarissa Capital Acquisition Corp?

Sarissa Capital Acquisition Corp (SRSA) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of Sarissa Capital Acquisition Corp (SRSA) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Sarissa Capital Acquisition Corp (SRSA) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

Sarissa Capital Acquisition Corp (SRSA)'s detailed insider trading history can be found in Insider Trading Tracker table.

Sarissa Capital Acquisition Corp Insider Transactions

No Available Data

What does Innoviva Inc do?

Who are the key executives at Innoviva Inc?

Alexander J Denner is the 10 percent owner of Innoviva Inc. Other key executives at Innoviva Inc include Chief Accounting Officer Marianne Zhen , Chief Financial Officer Stephen Basso , and Chief Medical Officer Margaret Koziel .

Innoviva Inc (INVA) Insider Trades Summary

Over the past 18 months, Alexander J Denner made no insider transaction in Innoviva Inc (INVA). Other recent insider transactions involving Innoviva Inc (INVA) include a net sale of 10,994 shares made by Marianne Zhen ,

In summary, during the past 3 months, insiders sold 0 shares of Innoviva Inc (INVA) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 10,994 shares of Innoviva Inc (INVA) were sold and 0 shares were bought by its insiders, resulting in a net sale of 10,994 shares.

Innoviva Inc (INVA)'s detailed insider trading history can be found in Insider Trading Tracker table.

Innoviva 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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