Last updated: 3 July 2019 at 3:30am EST

Kathryn L Biberstein Net Worth




The estimated Net Worth of Kathryn L Biberstein is at least $1.11 Million dollars as of 1 March 2018. Kathryn Biberstein owns over 9,250 units of Alkermes plc stock worth over $1,109,457 and over the last 13 years Kathryn sold ALKS stock worth over $0.

Kathryn Biberstein ALKS stock SEC Form 4 insiders trading

Kathryn has made over 47 trades of the Alkermes plc stock since 2011, according to the Form 4 filled with the SEC. Most recently Kathryn exercised 9,250 units of ALKS stock worth $245,773 on 1 March 2018.

The largest trade Kathryn's ever made was exercising 39,500 units of Alkermes plc stock on 16 April 2013 worth over $480,320. On average, Kathryn trades about 7,830 units every 42 days since 2011. As of 1 March 2018 Kathryn still owns at least 41,756 units of Alkermes plc stock.

You can see the complete history of Kathryn Biberstein stock trades at the bottom of the page.



What's Kathryn Biberstein's mailing address?

Kathryn's mailing address filed with the SEC is 850;852, Winter Street, Lincoln, Middlesex County, Massachusetts, 02451, United States.

Insiders trading at Alkermes plc

Over the last 13 years, insiders at Alkermes plc have traded over $407,046,771 worth of Alkermes plc stock and bought 86,119 units worth $2,034,840 . The most active insiders traders include Corp Plc Elan Science Three..., Richard F Pops, and James M Frates. On average, Alkermes plc executives and independent directors trade stock every 5 days with the average trade being worth of $1,083,232. The most recent stock trade was executed by David Joseph Gaffin on 3 August 2024, trading 2,014 units of ALKS stock currently worth $53,512.



What does Alkermes plc do?

alkermes plc is a fully integrated, global biopharmaceutical company developing innovative medicines for the treatment of central nervous system (cns) diseases. the company has a diversified commercial product portfolio and a substantial clinical pipeline of product candidates for chronic diseases that include schizophrenia, depression, addiction and multiple sclerosis. headquartered in dublin, ireland, alkermes plc has an r&d center in waltham, massachusetts; a research and manufacturing facility in athlone, ireland; and a manufacturing facility in wilmington, ohio. for more information, please visit alkermes’ website at www.alkermes.com.



What does Alkermes plc's logo look like?

Alkermes plc logo

Complete history of Kathryn Biberstein stock trades at Alkermes plc

Date
#
Company
Insider
Trans.
Transaction
Shares Price per share Total value Shares after Source
1 Mar 2018 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 9,250 $57.41 $531,043
1 Mar 2018
41,756
26 Feb 2018 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $58.12 $217,950
26 Feb 2018
35,818
16 Feb 2018 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 20,992 $14.78 $310,262
16 Feb 2018
32,068
15 Sep 2017 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 5,805 $15.47 $89,803
15 Sep 2017
61,589
11 Sep 2017 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 13,566 $14.13 $191,688
11 Sep 2017
70,455
28 May 2017 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $57.70 $216,375
28 May 2017
58,654
3 Apr 2017 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 15,000 $15.95 $239,250
3 Apr 2017
69,904
10 Mar 2017 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 8,137 $12.29 $100,004
10 Mar 2017
54,904
3 Mar 2017 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,500 $60.97 $213,395
3 Mar 2017
48,414
1 Mar 2017 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 5,750 $59.71 $343,333
1 Mar 2017
46,970
26 Feb 2017 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $52.98 $198,675
26 Feb 2017
42,437
26 Feb 2017 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $52.98 $198,675
26 Feb 2017
42,437
6 Dec 2016 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 14,145 $14.38 $203,405
6 Dec 2016
42,832
22 Nov 2016 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 15,000 $14.38 $215,700
22 Nov 2016
53,687
5 Oct 2016 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 5,000 $46.43 $232,150
5 Oct 2016
41,540
28 May 2016 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $46.13 $172,988
28 May 2016
38,305
21 May 2016 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 4,500 $42.98 $193,410
21 May 2016
36,076
20 Apr 2016 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 12,657 $20.79 $263,139
20 Apr 2016
31,576
3 Mar 2016 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 15,007 $13.33 $200,043
3 Mar 2016
18,919
26 Feb 2016 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $33.61 $126,038
26 Feb 2016
5,129
28 May 2015 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $59.92 $224,700
28 May 2015
95,002
20 May 2015 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 8,250 $62.10 $512,325
20 May 2015
93,372
30 Mar 2015 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 5,376 $18.60 $99,994
30 Mar 2015
86,889
3 Mar 2015 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,500 $72.80 $254,800
3 Mar 2015
83,162
7 Jan 2015 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 28,374 $18.60 $527,756
7 Jan 2015
108,036
5 Dec 2014 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 15,433 $14.90 $229,952
5 Dec 2014
95,095
26 Nov 2014 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 11,696 $8.55 $100,001
26 Nov 2014
81,479
11 Nov 2014 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 15,000 $14.90 $223,500
11 Nov 2014
84,783
6 Nov 2014 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 20,000 $14.90 $298,000
6 Nov 2014
89,783
30 Jun 2014 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 8,475 $12.30 $104,243
30 Jun 2014
78,258
17 Jun 2014 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 8,400 $12.30 $103,320
17 Jun 2014
78,183
28 May 2014 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $45.74 $171,525
28 May 2014
71,004
20 May 2014 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 8,250 $43.98 $362,835
20 May 2014
68,719
17 May 2014 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,125 $43.59 $136,219
17 May 2014
62,708
19 Dec 2013 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 7,692 $13.00 $99,996
19 Dec 2013
59,583
18 Nov 2013 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $36.89 $138,338
18 Nov 2013
53,661
26 May 2013 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 2,125 $32.84 $69,785
26 May 2013
50,914
21 May 2013 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 4,500 $31.98 $143,910
21 May 2013
50,914
17 May 2013 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 6,875 $31.69 $217,869
17 May 2013
48,184
16 Apr 2013 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 39,500 $12.16 $480,320
16 Apr 2013
64,165
12 Apr 2013 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 25,000 $14.57 $364,250
12 Apr 2013
67,665
31 Jan 2013 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 10,500 $9.97 $104,685
31 Jan 2013
53,165
18 Nov 2012 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $19.49 $73,088
18 Nov 2012
43,854
26 May 2012 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 2,125 $16.14 $34,298
26 May 2012
41,254
20 May 2012 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $16.42 $61,575
20 May 2012
40,318
17 May 2012 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,125 $16.71 $52,219
17 May 2012
37,559
18 Nov 2011 Kathryn L Biberstein
SVP, GC, Secretary, Alks, and Inc.
Option 3,750 $15.00 $56,250
18 Nov 2011
36,000


Alkermes plc executives and stock owners

Alkermes plc executives and other stock owners filed with the SEC include: