Last updated: 27 February 2024 at 5:50pm EST

John Siebert Net Worth




The estimated Net Worth of John M Siebert is at least $2.72 Milión dollars as of 11 August 2021. John Siebert owns over 15,000 units of Supernus Pharmaceuticals Inc stock worth over $2,360,619 and over the last 13 years he sold SUPN stock worth over $0. In addition, he makes $357,453 as Independent Director at Supernus Pharmaceuticals Inc.

John Siebert SUPN stock SEC Form 4 insiders trading

John has made over 10 trades of the Supernus Pharmaceuticals Inc stock since 2012, according to the Form 4 filled with the SEC. Most recently he exercised 15,000 units of SUPN stock worth $194,700 on 11 August 2021.

The largest trade he's ever made was exercising 16,179 units of Supernus Pharmaceuticals Inc stock on 20 August 2018 worth over $137,845. On average, John trades about 2,358 units every 113 days since 2012. As of 11 August 2021 he still owns at least 75,953 units of Supernus Pharmaceuticals Inc stock.

You can see the complete history of John Siebert stock trades at the bottom of the page.





John Siebert biography

Dr. John M. Siebert Ph.D. serves as Independent Director of the Company. Dr. Siebert is currently Acting Principal Executive Officer of Aradigm Corporation, a publicly traded respiratory pharmaceuticals development company. Dr. Siebert was appointed to this position in February 2018 in connection with the resignation of Aradigm's executive officers. Upon his appointment, Dr. Siebert resigned from Aradigm's board of directors, where he served as chairman. Dr. Siebert is Founder and CEO of Compan Pharmaceuticals, a companion animal pharmaceutical company developing a drug to treat transitional cell cancer. He is a member of the board of directors of Riverside Pharmaceuticals. From May 2014 to November 2015, Dr. Siebert was Chief Executive Officer of Chase Pharmaceuticals, a company conducting clinical trials in Alzheimer's disease based on a unique hypothesis. From 2010 to 2014, he was a Partner and Chief Operating Officer of New Rhein Healthcare Investors, LLC, a private equity group. From May 2003 to October 2008, Dr. Siebert was the chairman and Chief Executive Officer of CyDex, Inc., a privately held specialty pharmaceutical company. From September 1995 to April 2003, he was President and Chief Executive Officer of CIMA Labs Inc., a publicly traded specialty pharmaceutical company, and from July 1995 to September 1995 he was President and Chief Operating Officer of CIMA Labs. From 1992 to 1995, Dr. Siebert was Vice President, Technical Affairs at Dey Laboratories, Inc., a privately held pharmaceutical company. From 1988 to 1992, he headed R&D and Quality Control at a division of Bayer Corporation. Prior to that, Dr. Siebert was employed by E.R. Squibb & Sons, Inc., G.D. Searle & Co., Gillette and The Procter & Gamble Company. Dr. Siebert holds a B.S. in Chemistry from Illinois Benedictine University, an M.S. in Organic Chemistry from Wichita State University and a Ph.D. in Organic Chemistry from the University of Missouri.

What is the salary of John Siebert?

As the Independent Director of Supernus Pharmaceuticals Inc, the total compensation of John Siebert at Supernus Pharmaceuticals Inc is $357,453. There are 9 executives at Supernus Pharmaceuticals Inc getting paid more, with Jack Khattar having the highest compensation of $8,123,130.



How old is John Siebert?

John Siebert is 80, he's been the Independent Director of Supernus Pharmaceuticals Inc since 2011. There are no older and 16 younger executives at Supernus Pharmaceuticals Inc.

What's John Siebert's mailing address?

John's mailing address filed with the SEC is C/O SUPERNUS PHARMACEUTICALS, INC.,, 9715 KEY WEST AVENUE, ROCKVILLE, MD, 20850.

Insiders trading at Supernus Pharmaceuticals Inc

Over the last 13 years, insiders at Supernus Pharmaceuticals Inc have traded over $37,265,765 worth of Supernus Pharmaceuticals Inc stock and bought 16,600,700 units worth $83,216,588 . The most active insiders traders include Forest Baskett, Scott D Sandell a Peter J Barris. On average, Supernus Pharmaceuticals Inc executives and independent directors trade stock every 30 days with the average trade being worth of $4,263,834. The most recent stock trade was executed by Jack A. Khattar on 3 September 2024, trading 21,000 units of SUPN stock currently worth $652,680.



What does Supernus Pharmaceuticals Inc do?

pioneering new medicines in neurology and psychiatry with more than 20 years of experience, we are a specialty pharmaceutical company focused on developing and commercializing products for the treatment of central nervous system (cns) disorders. in 2013 we launched oxtellar xr® and trokendi xr®, two novel neurology products for the treatment of epilepsy. we are also developing several product candidates in psychiatry to address unmet medical needs and opportunities in attention-deficit hyperactivity disorder (adhd) and its coexisting disorders, and depression. we are developing differentiated products by leveraging our proprietary and in-licensed technologies. we use such technologies to discover and develop novel uses for known drug compounds and to enhance their therapeutic benefits. our focus on known drug compounds with established mechanisms of action reduces the risks, costs, and time typically associated with pharmaceutical product development.



What does Supernus Pharmaceuticals Inc's logo look like?

Supernus Pharmaceuticals Inc logo

Complete history of John Siebert stock trades at Supernus Pharmaceuticals Inc

Dátum
#
Spoločnosť
Človek
Trans.
Transakcia
Počet akcií Cena za akciu Celková cena Počet akcií po Zdroj
11 Aug 2021 John M Siebert
Riaditeľ
Využitie opcie 15,000 $12.98 $194,700
11 Aug 2021
75,953
20 Jun 2019 John M Siebert
Riaditeľ
Využitie opcie 10,000 $9.13 $91,300
20 Jun 2019
55,742
25 Apr 2019 John M Siebert
Riaditeľ
Využitie opcie 10,000 $9.13 $91,300
25 Apr 2019
45,742
20 Aug 2018 John M Siebert
Riaditeľ
Využitie opcie 16,179 $8.52 $137,845
20 Aug 2018
35,742
16 Dec 2014 John M Siebert
Riaditeľ
Využitie opcie 2,188 $4.24 $9,277
16 Dec 2014
19,563
12 Dec 2013 John M Siebert
Riaditeľ
Využitie opcie 2,187 $4.24 $9,273
12 Dec 2013
17,375
21 Mar 2013 John M Siebert
Riaditeľ
Kúpa 3,000 $5.50 $16,500
21 Mar 2013
15,188
14 Dec 2012 John M Siebert
Riaditeľ
Využitie opcie 2,188 $4.24 $9,277
14 Dec 2012
12,188
4 Dec 2012 John M Siebert
Riaditeľ
Kúpa 7,000 $8.14 $56,980
4 Dec 2012
10,000
4 May 2012 John M Siebert
Riaditeľ
Kúpa 3,000 $5.00 $15,000
4 May 2012
3,000


Supernus Pharmaceuticals Inc executives and stock owners

Supernus Pharmaceuticals Inc executives and other stock owners filed with the SEC include: