Walter C Herlihy - Net Worth and Insider Trading
Walter C Herlihy Net Worth
The estimated net worth of Walter C Herlihy is at least $37 Million dollars as of 2025-03-22. Walter C Herlihy is the PRESIDENT, CEO of Repligen Corp and owns about 262,430 shares of Repligen Corp (RGEN) stock worth over $37 Million. Details can be seen in Walter C Herlihy's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Walter C Herlihy has not made any transactions after 2015-05-12 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Walter C Herlihy
Walter C Herlihy Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Walter C Herlihy owns 1 companies in total, including Repligen Corp (RGEN) .
Click here to see the complete history of Walter C Herlihy’s form 4 insider trades.
Insider Ownership Summary of Walter C Herlihy
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
RGEN | Repligen Corp | 2015-05-12 | director & PRESIDENT & CEO |
Walter C Herlihy Latest Holdings Summary
Walter C Herlihy currently owns a total of 1 stock. Walter C Herlihy owns 262,430 shares of Repligen Corp (RGEN) as of May 12, 2015, with a value of $37 Million.
Latest Holdings of Walter C Herlihy
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
RGEN | Repligen Corp | 2015-05-12 | 262,430 | 139.99 | 36,737,576 |
Holding Weightings of Walter C Herlihy
Walter C Herlihy Form 4 Trading Tracker
According to the SEC Form 4 filings, Walter C Herlihy has made a total of 0 transactions in Repligen Corp (RGEN) over the past 5 years. The most-recent trade in Repligen Corp is the sale of 45,431 shares on May 12, 2015, which brought Walter C Herlihy around $2 Million.
Insider Trading History of Walter C Herlihy
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Walter C Herlihy Trading Performance
GuruFocus tracks the stock performance after each of Walter C Herlihy's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Walter C Herlihy is -1.58%. GuruFocus also compares Walter C Herlihy's trading performance to market benchmark return within the same time period. The performance of stocks bought by Walter C Herlihy within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Walter C Herlihy's insider trading performs compared to the benchmark.
Performance of Walter C Herlihy
Walter C Herlihy Ownership Network
Ownership Network List of Walter C Herlihy
Ownership Network Relation of Walter C Herlihy

Walter C Herlihy Owned Company Details
What does Repligen Corp do?
Who are the key executives at Repligen Corp?
Walter C Herlihy is the director & PRESIDENT & CEO of Repligen Corp. Other key executives at Repligen Corp include director & Chief Executive Officer Anthony Hunt , Senior VP & R&D Ralf Kuriyel , and SVP & Global Operations & IT James Bylund .
Repligen Corp (RGEN) Insider Trades Summary
Over the past 18 months, Walter C Herlihy made no insider transaction in Repligen Corp (RGEN). Other recent insider transactions involving Repligen Corp (RGEN) include a net sale of 107,972 shares made by Anthony Hunt , a net sale of 15,130 shares made by Ralf Kuriyel , and a net sale of 4,373 shares made by James Bylund .
In summary, during the past 3 months, insiders sold 26,756 shares of Repligen Corp (RGEN) in total and bought 250 shares, with a net sale of 26,506 shares. During the past 18 months, 134,263 shares of Repligen Corp (RGEN) were sold and 5,065 shares were bought by its insiders, resulting in a net sale of 129,198 shares.
Repligen Corp (RGEN)'s detailed insider trading history can be found in Insider Trading Tracker table.
Repligen Corp Insider Transactions
Walter C Herlihy Mailing Address
Above is the net worth, insider trading, and ownership report for Walter C Herlihy. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Walter C Herlihy's mailing address is: Waltham Ma 02453.