Frances Arnold - Net Worth and Insider Trading
Frances Arnold Net Worth
The estimated net worth of Frances Arnold is at least $1 Million dollars as of 2025-04-12. Frances Arnold is the Director of Illumina Inc and owns about 9,954 shares of Illumina Inc (ILMN) stock worth over $744,360. Frances Arnold is the Director of Alphabet Inc and owns about 1,593 shares of Alphabet Inc (GOOGL) stock worth over $250,324. Frances Arnold is also the Director of Alphabet Inc and owns about 120 shares of Alphabet Inc (GOOG) stock worth over $19,128. Details can be seen in Frances Arnold'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 Frances Arnold has not made any transactions after 2025-03-28 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Frances Arnold
Frances Arnold Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Frances Arnold owns 3 companies in total, including Alphabet Inc (GOOG) , Illumina Inc (ILMN) , and Alphabet Inc (GOOGL) .
Click here to see the complete history of Frances Arnold’s form 4 insider trades.
Insider Ownership Summary of Frances Arnold
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
GOOG | Alphabet Inc | 2024-04-30 | director |
ILMN | Illumina Inc | 2020-05-11 | director |
GOOGL | Alphabet Inc | 2025-03-28 | director |
Frances Arnold Latest Holdings Summary
Frances Arnold currently owns a total of 3 stocks. Among these stocks, Frances Arnold owns 9,954 shares of Illumina Inc (ILMN) as of May 11, 2020, with a value of $744,360 and a weighting of 73.42%. Frances Arnold owns 1,593 shares of Alphabet Inc (GOOGL) as of March 28, 2025, with a value of $250,324 and a weighting of 24.69%. Frances Arnold also owns 120 shares of Alphabet Inc (GOOG) as of April 30, 2024, with a value of $19,128 and a weighting of 1.89%.
Latest Holdings of Frances Arnold
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
ILMN | Illumina Inc | 2020-05-11 | 9,954 | 74.78 | 744,360 |
GOOGL | Alphabet Inc | 2025-03-28 | 1,593 | 157.14 | 250,324 |
GOOG | Alphabet Inc | 2024-04-30 | 120 | 159.40 | 19,128 |
Holding Weightings of Frances Arnold
Frances Arnold Form 4 Trading Tracker
According to the SEC Form 4 filings, Frances Arnold has made a total of 1 transactions in Illumina Inc (ILMN) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in Illumina Inc is the sale of 1,503 shares on May 11, 2020, which brought Frances Arnold around $464,592.
According to the SEC Form 4 filings, Frances Arnold has made a total of 6 transactions in Alphabet Inc (GOOGL) over the past 5 years, including 0 buys and 6 sells. The most-recent trade in Alphabet Inc is the sale of 111 shares on March 28, 2025, which brought Frances Arnold around $18,029.
According to the SEC Form 4 filings, Frances Arnold has made a total of 15 transactions in Alphabet Inc (GOOG) over the past 5 years, including 0 buys and 15 sells. The most-recent trade in Alphabet Inc is the sale of 80 shares on April 30, 2024, which brought Frances Arnold around $13,390.
Insider Trading History of Frances Arnold
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Frances Arnold Trading Performance
Frances Arnold Ownership Network
Ownership Network List of Frances Arnold
Ownership Network Relation of Frances Arnold

Frances Arnold Owned Company Details
What does Alphabet Inc do?
Who are the key executives at Alphabet Inc?
Frances Arnold is the director of Alphabet Inc. Other key executives at Alphabet Inc include director & Chief Executive Officer Sundar Pichai , SVP & CFO Ruth Porat , and director & 10 percent owner & Chief Executive Officer Lawrence Page .
Alphabet Inc (GOOG) Insider Trades Summary
Over the past 18 months, Frances Arnold made 7 insider transaction in Alphabet Inc (GOOG) with a net sale of 1,220. Other recent insider transactions involving Alphabet Inc (GOOG) include a net sale of 270,000 shares made by Sundar Pichai , a net sale of 10,500 shares made by John L Hennessy , and a net sale of 4,658 shares made by Amie Thuener O'toole .
In summary, during the past 3 months, insiders sold 0 shares of Alphabet Inc (GOOG) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 576,414 shares of Alphabet Inc (GOOG) were sold and 0 shares were bought by its insiders, resulting in a net sale of 576,414 shares.
Alphabet Inc (GOOG)'s detailed insider trading history can be found in Insider Trading Tracker table.
Alphabet Inc Insider Transactions
Frances Arnold Mailing Address
Above is the net worth, insider trading, and ownership report for Frances Arnold. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Frances Arnold's mailing address is: San Diego Ca 92122.