Andrew J Grethlein - Net Worth and Insider Trading
Andrew J Grethlein Net Worth
The estimated net worth of Andrew J Grethlein is at least $0 dollars as of 2025-07-25. Andrew J Grethlein is the EVP, COO of Geron Corp and owns about 0 shares of Geron Corp (GERN) stock worth over $0. Details can be seen in Andrew J Grethlein'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 Andrew J Grethlein has not made any transactions after 2024-07-08 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Andrew J Grethlein
Andrew J Grethlein Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Andrew J Grethlein owns 1 companies in total, including Geron Corp (GERN) .
Click here to see the complete history of Andrew J Grethlein’s form 4 insider trades.
Insider Ownership Summary of Andrew J Grethlein
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
GERN | Geron Corp | 2024-07-08 | EVP & Technical Operations |
Andrew J Grethlein Latest Holdings Summary
Andrew J Grethlein currently owns a total of 1 stock. Andrew J Grethlein owns 0 shares of Geron Corp (GERN) as of July 8, 2024, with a value of $0.
Latest Holdings of Andrew J Grethlein
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
GERN | Geron Corp | 2024-07-08 | 0 | 1.28 | 0 |
Holding Weightings of Andrew J Grethlein
Andrew J Grethlein Form 4 Trading Tracker
According to the SEC Form 4 filings, Andrew J Grethlein has made a total of 2 transactions in Geron Corp (GERN) over the past 5 years, including 0 buys and 2 sells. The most-recent trade in Geron Corp is the sale of 674,348 shares on July 8, 2024, which brought Andrew J Grethlein around $3 Million.
Insider Trading History of Andrew J Grethlein
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Andrew J Grethlein Trading Performance
Andrew J Grethlein Ownership Network
Ownership Network List of Andrew J Grethlein
Ownership Network Relation of Andrew J Grethlein

Andrew J Grethlein Owned Company Details
What does Geron Corp do?
Who are the key executives at Geron Corp?
Andrew J Grethlein is the EVP & Technical Operations of Geron Corp. Other key executives at Geron Corp include director & Chief Executive Officer John A Scarlett , EVP & Chief Legal Officer Scott Alan Samuels , and EVP & Corp Strategy & CCO Anil Kapur .
Geron Corp (GERN) Insider Trades Summary
Over the past 18 months, Andrew J Grethlein made 1 insider transaction in Geron Corp (GERN) with a net sale of 674,348. Other recent insider transactions involving Geron Corp (GERN) include a net sale of 587,500 shares made by John A Scarlett , a net sale of 421,875 shares made by Anil Kapur , and a net sale of 287,900 shares made by Faye Feller .
In summary, during the past 3 months, insiders sold 0 shares of Geron Corp (GERN) in total and bought 13,300 shares, with a net purchase of 13,300 shares. During the past 18 months, 1,984,123 shares of Geron Corp (GERN) were sold and 140,800 shares were bought by its insiders, resulting in a net sale of 1,843,323 shares.
Geron Corp (GERN)'s detailed insider trading history can be found in Insider Trading Tracker table.
Geron Corp Insider Transactions
Andrew J Grethlein Mailing Address
Above is the net worth, insider trading, and ownership report for Andrew J Grethlein. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Andrew J Grethlein's mailing address is: South San Francisco Ca 94080.