David G Dewalt - Net Worth and Insider Trading

David G Dewalt Net Worth

The estimated net worth of David G Dewalt is at least $160 Million dollars as of 2024-04-25. David G Dewalt is the Executive Chairman of Mandiant Inc and owns about 4,797,447 shares of Mandiant Inc (MNDT) stock worth over $110 Million. David G Dewalt is the EVP & Pres. Cust Ops & CM Soft of EMC Corp and owns about 934,637 shares of EMC Corp (EMC) stock worth over $24 Million. David G Dewalt is also the Director of ForeScout Technologies Inc and owns about 442,748 shares of ForeScout Technologies Inc (FSCT) stock worth over $13 Million. Besides these, David G Dewalt also holds Five9 Inc (FIVN) , Polycom Inc (PLCM) . Details can be seen in David G Dewalt's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that David G Dewalt has not made any transactions after 2022-03-04 and currently still holds the listed stock(s).

Transaction Summary of David G Dewalt

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David G Dewalt Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, David G Dewalt owns 8 companies in total, including ForeScout Technologies Inc (FSCT) , Delta Air Lines Inc (DAL) , and Five9 Inc (FIVN) among others .

Click here to see the complete history of David G Dewalt’s form 4 insider trades.

Insider Ownership Summary of David G Dewalt

Ticker Comapny Transaction Date Type of Owner
FSCT ForeScout Technologies Inc 2020-08-17 director
DAL Delta Air Lines Inc 2011-11-22 director
FIVN Five9 Inc 2022-03-04 director
MNDT Mandiant Inc 2017-01-03 director & Chief Executive Officer
PLCM Polycom Inc 2013-05-16 director
JIVE Jive Software Inc 2011-12-12 director
EMC EMC Corp 2007-02-05 EVP & Pres. Cust Ops & CM Soft
NDACU NightDragon Acquisition Corp 2021-03-01 director & 10 percent owner

David G Dewalt Latest Holdings Summary

David G Dewalt currently owns a total of 5 stocks. Among these stocks, David G Dewalt owns 4,797,447 shares of Mandiant Inc (MNDT) as of January 3, 2017, with a value of $110 Million and a weighting of 68.8%. David G Dewalt owns 934,637 shares of EMC Corp (EMC) as of January 29, 2007, with a value of $24 Million and a weighting of 14.93%. David G Dewalt also owns 442,748 shares of ForeScout Technologies Inc (FSCT) as of February 11, 2020, with a value of $13 Million and a weighting of 8.01%. The other 2 stocks Five9 Inc (FIVN) , Polycom Inc (PLCM) have a combined weighting of 8.26% among all his current holdings.

Latest Holdings of David G Dewalt

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
MNDT Mandiant Inc 2017-01-03 4,797,447 22.98 110,245,332
EMC EMC Corp 2007-01-29 934,637 25.60 23,926,707
FSCT ForeScout Technologies Inc 2020-02-11 442,748 28.99 12,835,265
FIVN Five9 Inc 2022-03-04 199,497 60.28 12,025,679
PLCM Polycom Inc 2012-10-31 96,420 12.47 1,202,357

Holding Weightings of David G Dewalt


David G Dewalt Form 4 Trading Tracker

According to the SEC Form 4 filings, David G Dewalt has made a total of 0 transactions in Mandiant Inc (MNDT) over the past 5 years. The most-recent trade in Mandiant Inc is the sale of 151,644 shares on January 3, 2017, which brought David G Dewalt around $2 Million.

According to the SEC Form 4 filings, David G Dewalt has made a total of 0 transactions in EMC Corp (EMC) over the past 5 years. The most-recent trade in EMC Corp is the sale of 250,000 shares on January 29, 2007, which brought David G Dewalt around $4 Million.

According to the SEC Form 4 filings, David G Dewalt has made a total of 3 transactions in ForeScout Technologies Inc (FSCT) over the past 5 years, including 0 buys and 3 sells. The most-recent trade in ForeScout Technologies Inc is the sale of 41,559 shares on February 11, 2020, which brought David G Dewalt around $1 Million.

More details on David G Dewalt's insider transactions can be found in the Insider Trading History of David G Dewalt table.

Insider Trading History of David G Dewalt

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 G Dewalt Trading Performance

GuruFocus tracks the stock performance after each of David G Dewalt's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by David G Dewalt is -44.57%. GuruFocus also compares David G Dewalt's trading performance to market benchmark return within the same time period. The performance of stocks bought by David G Dewalt 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 G Dewalt'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 G Dewalt

Average Return

Outperforming Transactions

Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Return(%) -11.67 -44.57 -45.66 -48.22 -22 -7.64
Relative Return to S&P 500(%) -11.31 -34.13 -43.66 -47.55 -33.08 -17.12

David G Dewalt Ownership Network

Ownership Network List of David G Dewalt

No Data

Ownership Network Relation of David G Dewalt


David G Dewalt Owned Company Details

What does ForeScout Technologies Inc do?

Who are the key executives at ForeScout Technologies Inc?

David G Dewalt is the director of ForeScout Technologies Inc. Other key executives at ForeScout Technologies Inc include SVP & GC & Corp Compliance Ofcr Darren J. Milliken , Chief Operating Officer Nicholas R Noviello , and 10 percent owner Arthur C Patterson .

ForeScout Technologies Inc (FSCT) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of ForeScout Technologies Inc (FSCT) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of ForeScout Technologies Inc (FSCT) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

ForeScout Technologies Inc (FSCT)'s detailed insider trading history can be found in Insider Trading Tracker table.

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ForeScout Technologies Inc Insider Transactions

No Available Data

David G Dewalt Mailing Address

Above is the net worth, insider trading, and ownership report for David G Dewalt. Currently GuruFocus does not have mailing address information for David G Dewalt.

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