David J Grainger - Net Worth and Insider Trading
David J Grainger Net Worth
The estimated net worth of David J Grainger is at least $15 Million dollars as of 2025-07-21. David J Grainger is the Chief Innovation Officer of Centessa Pharmaceuticals PLC and owns about 936,075 shares of Centessa Pharmaceuticals PLC (CNTA) stock worth over $15 Million. Details can be seen in David J Grainger'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 David J Grainger has not made any transactions after 2022-10-03 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of David J Grainger
David J Grainger Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, David J Grainger owns 1 companies in total, including Centessa Pharmaceuticals PLC (CNTA) .
Click here to see the complete history of David J Grainger’s form 4 insider trades.
Insider Ownership Summary of David J Grainger
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
CNTA | Centessa Pharmaceuticals PLC | 2022-10-03 | Chief Innovation Officer |
David J Grainger Latest Holdings Summary
David J Grainger currently owns a total of 1 stock. David J Grainger owns 936,075 shares of Centessa Pharmaceuticals PLC (CNTA) as of October 3, 2022, with a value of $15 Million.
Latest Holdings of David J Grainger
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
CNTA | Centessa Pharmaceuticals PLC | 2022-10-03 | 936,075 | 15.69 | 14,687,017 |
Holding Weightings of David J Grainger
David J Grainger Form 4 Trading Tracker
According to the SEC Form 4 filings, David J Grainger has made a total of 2 transactions in Centessa Pharmaceuticals PLC (CNTA) over the past 5 years, including 1 buys and 1 sells. The most-recent trade in Centessa Pharmaceuticals PLC is the sale of 5,181 shares on October 3, 2022, which brought David J Grainger around $20,724.
Insider Trading History of David J Grainger
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David J Grainger Trading Performance
GuruFocus tracks the stock performance after each of David J Grainger's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by David J Grainger is -5.04%. GuruFocus also compares David J Grainger's trading performance to market benchmark return within the same time period. The performance of stocks bought by David J Grainger 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 David J Grainger's insider trading performs compared to the benchmark.
Performance of David J Grainger
David J Grainger Ownership Network
Ownership Network List of David J Grainger
Ownership Network Relation of David J Grainger

David J Grainger Owned Company Details
What does Centessa Pharmaceuticals PLC do?
Who are the key executives at Centessa Pharmaceuticals PLC?
David J Grainger is the Chief Innovation Officer of Centessa Pharmaceuticals PLC. Other key executives at Centessa Pharmaceuticals PLC include General Counsel Iqbal J Hussain , Chief Financial Officer Gregory M Weinhoff , and director & Chief Executive Officer Saurabh Saha .
Centessa Pharmaceuticals PLC (CNTA) Insider Trades Summary
Over the past 18 months, David J Grainger made no insider transaction in Centessa Pharmaceuticals PLC (CNTA). Other recent insider transactions involving Centessa Pharmaceuticals PLC (CNTA) include a net sale of 905,000 shares made by Saurabh Saha , a net sale of 198,339 shares made by Gregory M Weinhoff , and a net sale of 119,705 shares made by Iqbal J Hussain .
In summary, during the past 3 months, insiders sold 235,742 shares of Centessa Pharmaceuticals PLC (CNTA) in total and bought 462,585 shares, with a net purchase of 226,843 shares. During the past 18 months, 1,392,821 shares of Centessa Pharmaceuticals PLC (CNTA) were sold and 462,585 shares were bought by its insiders, resulting in a net sale of 930,236 shares.
Centessa Pharmaceuticals PLC (CNTA)'s detailed insider trading history can be found in Insider Trading Tracker table.
Centessa Pharmaceuticals PLC Insider Transactions
David J Grainger Mailing Address
Above is the net worth, insider trading, and ownership report for David J Grainger. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, David J Grainger's mailing address is: Cheshire X0 Wa14 2dt.