DENNER ALEXANDER J

The estimated Net Worth of DENNER ALEXANDER J is at least $945 Million dollars dollars as of 10/26/2021. DENNER ALEXANDER J is the Director of ARIAD Pharmaceuticals Inc. DENNER ALEXANDER J owns over 12,000,000 shares of ARIAD Pharmaceuticals Inc stock worth over $288 Million dollars . DENNER ALEXANDER J is the Director of Biogen Inc. DENNER ALEXANDER J owns over 653,909 shares of Biogen Inc stock worth over $177 Million dollars . DENNER ALEXANDER J is the Director of The Medicines Co. DENNER ALEXANDER J owns over 4,216,092 shares of The Medicines Co stock worth over $358 Million dollars . DENNER ALEXANDER J is the 10% Owner of Seelos Therapeutics Inc. DENNER ALEXANDER J owns over 48,263 shares of Seelos Therapeutics Inc stock worth over $113,900.68. DENNER ALEXANDER J is the Director of VIVUS Inc. DENNER ALEXANDER J owns over 257,394 shares of VIVUS Inc stock worth over $30,218.06. DENNER ALEXANDER J is the Director of Bioverativ Inc. DENNER ALEXANDER J owns over 1,170,001 shares of Bioverativ Inc stock worth over $123 Million dollars .

DENNER ALEXANDER J mailing address: C/O SARISSA CAPITAL MANAGEMENT LP 660 STEAMBOAT ROAD, 3RD FLOOR GREENWICH CT 06830

Insider Roles

Name Transaction Date Position
Biogen Inc 2020-06-03 director
The Medicines Co 2020-01-06 director
Regulus Therapeutics Inc 2019-12-24 10 percent owner
Seelos Therapeutics Inc 2018-03-21 10 percent owner
Bioverativ Inc 2018-03-08 director
ARIAD Pharmaceuticals Inc 2017-02-16 director
VIVUS Inc 2015-10-30 director
Enzon Pharmaceuticals Inc 2013-01-02 director
Savara Inc 2009-10-16 director
Sarissa Capital Acquisition Corp 2020-10-23 10 percent owner
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DENNER ALEXANDER J trading performance

Average Relative Return

74.94%

Average relative return per transaction

Outperforming Transactions

67%

8 out of 12 outperforming transactions.
Each transaction is measured over a period and compared to .

DENNER ALEXANDER J trading performance analysis

1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Relative Return(%) 4.78 14.79 39.35 74.94 2.25 -38.26
Relative Return to S&P 500(%) 2.74 11.01 31.21 61.42 -16.23 -67.1

Denner Alexander J 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)
IRWD
Ironwood Pharmaceuticals Inc
$12.87
DENNER ALEXANDER J
Director, 10% Owner
2021-03-10 Buy
225,000
0.69%
$10.38
$2,335.50
32,742,844
23.99%
0
4.10
2,096.46
IRWD
Ironwood Pharmaceuticals Inc
$12.87
DENNER ALEXANDER J
Director, 10% Owner
2021-03-05 Buy
775,000
2.49%
$10.01
$7,757.75
31,942,844
28.57%
0
4.10
2,096.46
IRWD
Ironwood Pharmaceuticals Inc
$12.87
DENNER ALEXANDER J
Director
2021-03-02 Buy
1,350,000
4.72%
$9.44
$12,744
29,972,944
36.33%
0
4.10
2,096.46
ITRM
Iterum Therapeutics PLC
$0.53
DENNER ALEXANDER J
10% Owner
2021-02-12 Sell
20,619,949
-50%
$2.43
$50,106.50
20,616,949
-78.14%
0
At Loss
97.07
MDCO
The Medicines Co
$84.90
DENNER ALEXANDER J
Director
2019-06-28 Buy
50,000
1.20%
$33
$1,650
4,216,092
157.27%
0
At Loss
6,786.33
MDCO
The Medicines Co
$84.90
DENNER ALEXANDER J
Director
2019-05-30 Buy
85,000
2.09%
$34.83
$2,960.55
4,152,000
143.76%
0
At Loss
6,786.33
MDCO
The Medicines Co
$84.90
DENNER ALEXANDER J
Director
2019-05-22 Buy
431,000
11.85%
$33.89
$14,606.60
4,067,000
150.52%
0
At Loss
6,786.33
BIIB
Biogen Inc
$269.94
DENNER ALEXANDER J
Director
2019-05-02 Buy
118,342
22.10%
$229.94
$27,211.60
653,909
17.40%
0
26.40
39,652.22
MDCO
The Medicines Co
$84.90
DENNER ALEXANDER J
Director
2019-03-06 Buy
248,100
7.32%
$24.91
$6,180.17
3,636,000
240.83%
0
At Loss
6,786.33
MDCO
The Medicines Co
$84.90
DENNER ALEXANDER J
Director
2019-03-05 Buy
606,900
21.82%
$25.59
$15,530.60
3,387,900
231.77%
0
At Loss
6,786.33
BIIB
Biogen Inc
$269.94
DENNER ALEXANDER J
Director
2019-02-01 Buy
62,800
13.28%
$327.59
$20,572.70
535,567
-17.60%
0
26.40
39,652.22
MDCO
The Medicines Co
$84.90
DENNER ALEXANDER J
Director
2018-12-20 Buy
10,000
0.36%
$17.89
$178.90
2,781,000
374.57%
0
At Loss
6,786.33
MDCO
The Medicines Co
$84.90
DENNER ALEXANDER J
Director
2018-12-18 Buy
30,000
1.09%
$18
$540
2,781,429
371.67%
0
At Loss
6,786.33
MDCO
The Medicines Co
$84.90
DENNER ALEXANDER J
Director
2018-12-14 Buy
819,000
42.38%
$20.26
$16,592.90
2,751,429
319.05%
0
At Loss
6,786.33
BIIB
Biogen Inc
$269.94
DENNER ALEXANDER J
Director
2018-04-25 Buy
48,000
11.32%
$269.91
$12,955.70
471,887
0.01%
0
26.40
39,652.22
MDCO
The Medicines Co
$84.90
DENNER ALEXANDER J
Director
2017-11-29 Buy
170,000
9.67%
$30.03
$5,105.10
1,928,663
182.72%
0
At Loss
6,786.33
BIIB
Biogen Inc
$269.94
DENNER ALEXANDER J
Director
2017-11-29 Buy
30,000
7.62%
$317.36
$9,520.80
423,887
-14.94%
0
26.40
39,652.22
SEEL
Seelos Therapeutics Inc
$2.36
DENNER ALEXANDER J
10% Owner
2017-08-31 Buy
6,104
0.42%
$1.63
$9.95
48,263.05
44.79%
0
At Loss
241.46
BIVV
Bioverativ Inc
$104.98
DENNER ALEXANDER J
Director
2017-05-30 Buy
90,000
8.33%
$55.93
$5,033.70
1,170,001
87.70%
0
At Loss
11,361.32
BIVV
Bioverativ Inc
$104.98
DENNER ALEXANDER J
Director
2017-05-26 Buy
920,000
575%
$55.77
$51,308.40
1,080,001
88.24%
0
At Loss
11,361.32
BIIB
Biogen Inc
$269.94
DENNER ALEXANDER J
Director
2017-04-27 Buy
73,858
23.15%
$278.50
$20,569.50
392,832
-3.07%
0
26.40
39,652.22
BIIB
Biogen Inc
$269.94
DENNER ALEXANDER J
Director
2015-10-23 Buy
310,000
3,929.02%
$277.47
$86,015.70
317,890
-2.71%
0
26.40
39,652.22
ARIA
ARIAD Pharmaceuticals Inc
$23.99
DENNER ALEXANDER J
Director
2014-08-15 Buy
850,000
7.08%
$5.83
$4,955.50
12,850,000
311.49%
0
At Loss
4,658.88
VVUSQ
VIVUS Inc
$0.12
DENNER ALEXANDER J
Director
2013-11-11 Buy
566,844
28.24%
$8.59
$4,869.19
257,394.30
-98.63%
0
At Loss
2.09
BIIB
Biogen Inc
$269.94
DENNER ALEXANDER J
Director
2013-06-14 Sell
2,900
-31.44%
$212
$614.80
6,325
27.33%
0
26.40
39,652.22
BIIB
Biogen Inc
$269.94
DENNER ALEXANDER J
Director
2013-05-28 Sell
37,975
-88.53%
$240.57
$9,135.65
4,920
12.21%
0
26.40
39,652.22
BIIB
Biogen Inc
$269.94
DENNER ALEXANDER J
Director
2012-12-27 Sell
7,980
-61.86%
$148.62
$1,185.99
4,920
81.63%
0
26.40
39,652.22
Total 27
  • 1

DENNER ALEXANDER J personal network

Name Position Linked company