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.

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Transaction Summary of David J Grainger

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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

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
Total 0
  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

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.

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Performance of David J Grainger

Average Return

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Average return per transaction

Outperforming Transactions

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0 out of 1 outperforming transactions.
Each transaction is measured over a period and compared to .
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Return(%) -4.29 LIMIT LIMIT LIMIT LIMIT LIMIT
Relative Return to S&P 500(%) -2.98 LIMIT LIMIT LIMIT LIMIT LIMIT

David J Grainger Ownership Network

Ownership Network List of David J Grainger

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Ownership Network Relation of David J Grainger

Insider Network Chart


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.

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Centessa Pharmaceuticals PLC Insider Transactions

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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.