Mitchall G. Clark - Net Worth and Insider Trading
Mitchall G. Clark Net Worth
The estimated net worth of Mitchall G. Clark is at least $23,884 dollars as of 2025-04-13. Mitchall G. Clark is the EVP & Chief R & QA Officer of Atara Biotherapeutics Inc and owns about 4,319 shares of Atara Biotherapeutics Inc (ATRA) stock worth over $23,884. Details can be seen in Mitchall G. Clark'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 Mitchall G. Clark has not made any transactions after 2018-05-18 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Mitchall G. Clark
Mitchall G. Clark Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Mitchall G. Clark owns 1 companies in total, including Atara Biotherapeutics Inc (ATRA) .
Click here to see the complete history of Mitchall G. Clark’s form 4 insider trades.
Insider Ownership Summary of Mitchall G. Clark
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
ATRA | Atara Biotherapeutics Inc | 2018-05-18 | Chief R & QA Officer |
Mitchall G. Clark Latest Holdings Summary
Mitchall G. Clark currently owns a total of 1 stock. Mitchall G. Clark owns 4,319 shares of Atara Biotherapeutics Inc (ATRA) as of May 18, 2018, with a value of $23,884.
Latest Holdings of Mitchall G. Clark
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
ATRA | Atara Biotherapeutics Inc | 2018-05-18 | 4,319 | 5.53 | 23,884 |
Holding Weightings of Mitchall G. Clark
Mitchall G. Clark Form 4 Trading Tracker
According to the SEC Form 4 filings, Mitchall G. Clark has made a total of 0 transactions in Atara Biotherapeutics Inc (ATRA) over the past 5 years. The most-recent trade in Atara Biotherapeutics Inc is the sale of 1,034 shares on May 18, 2018, which brought Mitchall G. Clark around $1 Million.
Insider Trading History of Mitchall G. Clark
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Mitchall G. Clark Trading Performance
Mitchall G. Clark Ownership Network
Ownership Network List of Mitchall G. Clark
Ownership Network Relation of Mitchall G. Clark

Mitchall G. Clark Owned Company Details
What does Atara Biotherapeutics Inc do?
Who are the key executives at Atara Biotherapeutics Inc?
Mitchall G. Clark is the Chief R & QA Officer of Atara Biotherapeutics Inc. Other key executives at Atara Biotherapeutics Inc include EVP & Global Head RA & Quality Jill Henrich , EVP & Chief Sci. & Tech Officer Anhco Nguyen , and SVP & CFO Eric J Hyllengren .
Atara Biotherapeutics Inc (ATRA) Insider Trades Summary
Over the past 18 months, Mitchall G. Clark made no insider transaction in Atara Biotherapeutics Inc (ATRA). Other recent insider transactions involving Atara Biotherapeutics Inc (ATRA) include a net sale of 69,317 shares made by Anhco Nguyen , a net sale of 50,930 shares made by Eric J Hyllengren , and a net sale of 35,918 shares made by Jill Henrich .
In summary, during the past 3 months, insiders sold 5,601 shares of Atara Biotherapeutics Inc (ATRA) in total and bought 0 shares, with a net sale of 5,601 shares. During the past 18 months, 30,978 shares of Atara Biotherapeutics Inc (ATRA) were sold and 32,673 shares were bought by its insiders, resulting in a net purchase of 1,695 shares.
Atara Biotherapeutics Inc (ATRA)'s detailed insider trading history can be found in Insider Trading Tracker table.
Atara Biotherapeutics Inc Insider Transactions
Mitchall G. Clark Mailing Address
Above is the net worth, insider trading, and ownership report for Mitchall G. Clark. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Mitchall G. Clark's mailing address is: Brisbane Ca 94005.