Richard Stillwell Biography and Net Worth



R. Newcomb Stillwell became a Director in March 2023. Mr. Stillwell was a Co-Managing Partner in the Boston office at Ropes & Gray LLP, an international law firm, where he spent approximately 38 years, principally advising private equity firms on acquisitions and related matters, including life science and healthcare investments. In addition, he served as the first chair of the firm’s Private Equity Group.

Mr. Stillwell received a JD, cum laude, from Harvard Law School and an AB, magna cum laude, from Princeton University. Mr. Stillwell’s extensive advisory experience on numerous transactions in the life science and healthcare sectors was instrumental in his selection as a member of the Board.

What is Richard Newcomb Stillwell's net worth?

The estimated net worth of Richard Newcomb Stillwell is at least $54.90 thousand as of June 8th, 2026. Mr. Stillwell owns 5,000 shares of Tonix Pharmaceuticals stock worth more than $54,900 as of July 20th. This net worth approximation does not reflect any other investments that Mr. Stillwell may own. Learn More about Richard Newcomb Stillwell's net worth.

How do I contact Richard Newcomb Stillwell?

The corporate mailing address for Mr. Stillwell and other Tonix Pharmaceuticals executives is 509 MADISON AVENUE SUITE 1608, NEW YORK NY, 10022. Tonix Pharmaceuticals can also be reached via phone at (862) 799-8599 and via email at [email protected]. Learn More on Richard Newcomb Stillwell's contact information.

Has Richard Newcomb Stillwell been buying or selling shares of Tonix Pharmaceuticals?

Richard Newcomb Stillwell has not been actively trading shares of Tonix Pharmaceuticals during the last quarter. Most recently, on Monday, June 8th, Richard Newcomb Stillwell bought 5,000 shares of Tonix Pharmaceuticals stock. The stock was acquired at an average cost of $11.65 per share, with a total value of $58,250.00. Following the completion of the transaction, the director now directly owns 5,000 shares of the company's stock, valued at $58,250. Learn More on Richard Newcomb Stillwell's trading history.

Who are Tonix Pharmaceuticals' active insiders?

Tonix Pharmaceuticals' insider roster includes Daniel Goodman (Director), Seth Lederman (CEO), and Richard Stillwell (Director). Learn More on Tonix Pharmaceuticals' active insiders.

Are insiders buying or selling shares of Tonix Pharmaceuticals?

In the last year, Tonix Pharmaceuticals insiders bought shares 5 times. They purchased a total of 26,833 shares worth more than $370,538.79. The most recent insider tranaction occured on June, 12th when Director Carolyn E Taylor bought 1,415 shares worth more than $14,928.25. Insiders at Tonix Pharmaceuticals own 2.0% of the company. Learn More about insider trades at Tonix Pharmaceuticals.

Information on this page was last updated on 6/12/2026.

Richard Newcomb Stillwell Insider Trading History at Tonix Pharmaceuticals

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
6/8/2026Buy5,000$11.65$58,250.005,000View SEC Filing Icon  
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Richard Newcomb Stillwell Buying and Selling Activity at Tonix Pharmaceuticals

This chart shows Richard Newcomb Stillwell's buying and selling at Tonix Pharmaceuticals by year and by quarter.

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Tonix Pharmaceuticals Company Overview

Tonix Pharmaceuticals logo
Tonix Pharmaceuticals Holding Corp., a biopharmaceutical company, focuses on developing, discovering, commercializing, and licensing therapeutics to treat and prevent human disease and alleviate suffering. It markets Zembrace SymTouch and Tosymra for the treatment of acute migraine with or without aura in adults. Its portfolio focuses on central nervous system disorders, as well as rare disease, immunology, and infectious disease product candidates. The company's priority is to submit a New Drug Application (NDA) to the FDA for TNX-102 SL (cyclobenzaprine HCl sublingual tablet), which has completed two positive Phase 3 studies for the management of fibromyalgia. TNX-102 SL is also being developed to treat fibromyalgia-type Long COVID, a chronic post-acute COVID-19 condition. Its TNX-1300 (cocaine esterase) is a biologic designed to treat cocaine intoxication and has been granted breakthrough therapy designation by the FDA. The company's rare disease development portfolio comprises TNX-2900, an intranasal potentiated oxytocin for the treatment of Prader-Willi syndrome (PWS). Its immunology portfolio includes TNX-1500, which is a biologic to address organ transplant rejection and autoimmune diseases. The company's infectious disease pipeline includes TNX-801, a vaccine in development to prevent smallpox and mpox. TNX-801 also serves as the live virus vaccine platform or recombinant pox vaccine platform for other infectious diseases, including TNX-1800 and TNX-1850, in development as a vaccine to protect against COVID-19. Its infectious disease development portfolio also comprises TNX-3900, and TNX-4200 are orally available CD45 antagonists in preclinical development. Tonix Pharmaceuticals Holding Corp. has collaboration agreement with Bilthoven Biologicals to advance TNX-801 mpox vaccine candidate; and with X-Chem, Inc. to develop broad-spectrum antivirals. The company was founded in 2007 and is headquartered in Chatham, New Jersey.
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Today's Range

Now: $10.98
Low: $10.95
High: $12.42

50 Day Range

MA: $12.40
Low: $10.65
High: $15.74

2 Week Range

Now: $10.98
Low: $10.03
High: $69.97

Volume

701,548 shs

Average Volume

527,891 shs

Market Capitalization

$175.02 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.64