R. LaDuane  Clifton net worth and biography

R. Clifton Biography and Net Worth

Chief Financial Officer & Treasurer of Zevra Therapeutics

As Chief Financial Officer and Treasurer, Mr. Clifton is responsible for the company’s financial, operating, strategy and business development activites.

Mr. Clifton brings to Zevra significant public company and global operations leadership experience, along with expertise in managed care contracting, compliance, investor relations, and business development.

Prior to joining Zevra in 2015, Mr. Clifton served as Chief Financial Officer, Secretary and Treasurer of The LGL Group, Inc., a publicly held global producer of highly engineered electronic components and services.

Mr. Clifton also previously served as Chief Financial Officer of a21, Inc., a publicly held holding company with businesses in stock photography and the online retail and manufacture of framed art, as well as a variety of finance, medical cost analysis, and managed care provider contracting roles with Aetna, Inc.

Mr. Clifton was an auditor with KPMG, LLP, and received his B.B.A. and M.B.A. from the University of North Florida. Mr. Clifton is a Certified Public Accountant in the State of Florida.

How old is R. LaDuane Clifton?

Mr. Clifton is currently 52 years old. There are 4 older executives and no younger executives at Zevra Therapeutics. The oldest executive at Zevra Therapeutics is Mr. Rahsaan W. Thompson J.D., Chief Legal Officer, Secretary & Compliance Officer, who is 53 years old. Learn More on R. LaDuane Clifton's age.

How do I contact R. LaDuane Clifton?

The corporate mailing address for Mr. Clifton and other Zevra Therapeutics executives is 1180 Celebration Boulevard Suite 103, Celebration FL, 34747. Zevra Therapeutics can also be reached via phone at (321) 939-3416 and via email at [email protected]. Learn More on R. LaDuane Clifton's contact information.

Has R. LaDuane Clifton been buying or selling shares of Zevra Therapeutics?

R. LaDuane Clifton has not been actively trading shares of Zevra Therapeutics over the course of the past ninety days. Learn More on R. LaDuane Clifton's trading history.

Who are Zevra Therapeutics' active insiders?

Zevra Therapeutics' insider roster includes Thomas Anderson (Director), John Bode (Director), R. Clifton (Chief Financial Officer & Treasurer), Neil McFarlane (President & Chief Executive Officer), Timothy Sangiovanni (Senior Vice President, Corporate Controller), Joshua Schafer (Chief Commercial Officer), and Corey Watton (Director). Learn More on Zevra Therapeutics' active insiders.

Are insiders buying or selling shares of Zevra Therapeutics?

In the last year, Zevra Therapeutics insiders bought shares 4 times. They purchased a total of 18,475 shares worth more than $152,485.25. In the last year, insiders at the sold shares 5 times. They sold a total of 105,273 shares worth more than $885,165.78. The most recent insider tranaction occured on October, 10th when CEO Neil F Mcfarlane sold 19,500 shares worth more than $210,990.00. Insiders at Zevra Therapeutics own 2.4% of the company. Learn More about insider trades at Zevra Therapeutics.

Information on this page was last updated on 10/10/2025.

R. LaDuane Clifton Insider Trading History at Zevra Therapeutics

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R. LaDuane Clifton Buying and Selling Activity at Zevra Therapeutics

This chart shows R. Laduane Clifton's buying and selling at Zevra Therapeutics by year and by quarter.

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Zevra Therapeutics Company Overview

Zevra Therapeutics logo
Zevra Therapeutics, Inc. discovers and develops various proprietary prodrugs to treat serious medical conditions in the United States. The company develops its products through Ligand Activated Therapy platform. Its lead product candidate is KP1077, consisting of KP1077IH, which is under Phase 2 clinical trial for the treatment of idiopathic hypersomnia, and KP1077N, which is under Phase ½ clinical trial to treat narcolepsy. The company is also developing Celiprolol, a prodrug product candidate that is under Phase 1/2 clinical trial for the treatment of vascular Ehlers Danlos syndrome. In addition, it offers AZSTARYS, a once-daily treatment for attention deficit hyperactivity disorder in patients aged six years and older; OLPRUVA to treat urea cycle disorders; and Arimoclomol for the treatment of niemann pick disease type C, an ultra-rare neurodegenerative lysosomal storage disorder. The company has collaboration and license agreement with Commave Therapeutics SA to develop, manufacture and commercialize the company's product candidates containing SDX and d-methylphenidate; and license agreement with Acer and Relief Therapeutics, Inc. to develop and commercialize rights for OLPRUVA. The company was formerly known as KemPharm, Inc. and changed its name to Zevra Therapeutics, Inc. in February 2023. Zevra Therapeutics, Inc. was incorporated in 2006 and is headquartered in Celebration, Florida.
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Today's Range

Now: $8.66
Low: $8.48
High: $8.80

50 Day Range

MA: $9.79
Low: $8.17
High: $11.78

2 Week Range

Now: $8.66
Low: $6.19
High: $13.16

Volume

823,188 shs

Average Volume

1,395,027 shs

Market Capitalization

$487.56 million

P/E Ratio

18.43

Dividend Yield

N/A

Beta

1.01