Mark  Simon net worth and biography

Mark Simon Biography and Net Worth

Director of Cabaletta Bio

Mark is a Strategic Advisor to the Founder and CEO of Sun Pharmaceutical Industries Ltd., the largest pharmaceutical company in India, and a board observer of the Sun Pharma Advanced Research Company Ltd., both public companies in India, where Mr. Simon is focused on accelerating their innovation initiatives. He is also a consultant to Stifel Nicolaus & Company (NYSE: SF) and a co-founder of Torreya Partners, LLC, a global investment banking firm serving companies in the life sciences industry that was purchased by Stifel in 2023. Before co-founding Torreya, Mr. Simon was a managing director and head of investment banking life sciences at Citigroup from 2002 to 2005, where he covered global pharmaceutical companies with a focus on large-capitalization players in the U.S., Europe, and Japan. Prior to Citigroup, Mr. Simon served as a Managing Director at Robertson Stephens in San Francisco and New York, responsible for covering the biotechnology investment banking sector. During his tenure overseeing the group, he was involved in raising 45% of all biotechnology dollars raised in the U.S. from 1999-2001. Before joining the investment banking group at Robertson, Mr. Simon was a senior biotechnology research analyst at Robertson Stephens and was named a Wall Street All-Star Analyst for three years in a row. He began his career at Kidder Peabody as a biotechnology research associate in 1984 and participated in the IPO of Genzyme and the early financings for companies such as Amgen. Mr. Simon currently serves on the board of directors of Cabaletta Bio, Inc., a clinical-stage biotech focusing on curative, targeted cell therapies for patients with autoimmune diseases. Mr. Simon also serves on the boards of directors of several disease advocacy and philanthropic foundations in oncology, CNS/neuroscience, and other areas and on an advisory board at the Washington University School of Medicine in St. Louis. He received his MBA from Harvard Business School and his B.A. from Columbia College in NYC.

What is Mark Simon's net worth?

The estimated net worth of Mark Simon is at least $568.95 thousand as of January 21st, 2026. Simon owns 147,205 shares of Cabaletta Bio stock worth more than $568,947 as of May 4th. This net worth estimate does not reflect any other investments that Simon may own. Learn More about Mark Simon's net worth.

How do I contact Mark Simon?

The corporate mailing address for Simon and other Cabaletta Bio executives is 2929 ARCH STREET SUITE 600, PHILADELPHIA PA, 19104. Cabaletta Bio can also be reached via phone at 267-759-3100 and via email at [email protected]. Learn More on Mark Simon's contact information.

Has Mark Simon been buying or selling shares of Cabaletta Bio?

Mark Simon has not been actively trading shares of Cabaletta Bio within the last three months. Most recently, on Wednesday, January 21st, Mark Simon bought 11,061 shares of Cabaletta Bio stock. The stock was acquired at an average cost of $2.28 per share, with a total value of $25,219.08. Following the completion of the transaction, the director now directly owns 147,205 shares of the company's stock, valued at $335,627.40. Learn More on Mark Simon's trading history.

Who are Cabaletta Bio's active insiders?

Cabaletta Bio's insider roster includes Gwendolyn Binder (Insider), Gwendolyn Binder (President, Science & Technology), David Chang (Chief Medical Officer), Steve Gavel (Insider), Michael Gerard (General Counsel), Steven Nichtberger (CEO), Mark Simon (Director), and Shawn Tomasello (Director). Learn More on Cabaletta Bio's active insiders.

Are insiders buying or selling shares of Cabaletta Bio?

In the last twelve months, Cabaletta Bio insiders bought shares 7 times. They purchased a total of 127,668 shares worth more than $286,210.51. The most recent insider tranaction occured on January, 21st when insider David J Chang bought 8,800 shares worth more than $19,888.00. Insiders at Cabaletta Bio own 11.3% of the company. Learn More about insider trades at Cabaletta Bio.

Information on this page was last updated on 1/21/2026.

Mark Simon Insider Trading History at Cabaletta Bio

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
1/21/2026Buy11,061$2.28$25,219.08147,205View SEC Filing Icon  
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Mark Simon Buying and Selling Activity at Cabaletta Bio

This chart shows Mark Simon's buying and selling at Cabaletta Bio by year and by quarter.

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Cabaletta Bio Company Overview

Cabaletta Bio logo
Cabaletta Bio, Inc., a clinical-stage biotechnology company, focuses on the discovery and development of engineered T cell therapies for patients with B cell-mediated autoimmune diseases. The company's lead product candidate is CABA-201, a fully human anti-CD19 binder for the treatment of Phase 1/2 clinical trials in dermatomyositis, anti-synthetase syndrome, immune-mediated necrotizing myopathy, lupus nephritis, non-renal systemic lupus erythematosus, systemic sclerosis, and generalized myasthenia gravis. It also develops DSG3-CAART, which is in Phase I/II clinical trial for the treatment of mucosal pemphigus vulgaris; and MuSK-CAART, an investigational cell therapy that is in Phase I/II clinical trial for treating patients with anti- muscle-specific kinase antibody positive myasthenia gravis. It has a collaboration with the University of Pennsylvania and the Children's Hospital of Philadelphia; Nanjing IASO Biotherapeutics Co., Ltd; Oxford Biomedica; and WuXi Advanced Therapies, Inc. The company was formerly known as Tycho Therapeutics, Inc. and changed its name to Cabaletta Bio, Inc. in August 2018. Cabaletta Bio, Inc. was incorporated in 2017 and is headquartered in Philadelphia, Pennsylvania.
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Today's Range

Now: $4.01
Low: $3.16
High: $4.00

50 Day Range

MA: $3.08
Low: $2.47
High: $3.52

2 Week Range

Now: $4.01
Low: $1.11
High: $4.00

Volume

22,299,369 shs

Average Volume

2,968,043 shs

Market Capitalization

$446.73 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

3.18