Keith Grinstein - Net Worth and Insider Trading

Keith Grinstein Net Worth

The estimated net worth of Keith Grinstein is at least $4 Million dollars as of 2024-10-02. Keith Grinstein is the Director of F5 Inc and owns about 17,000 shares of F5 Inc (FFIV) stock worth over $4 Million. Details can be seen in Keith Grinstein'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 Keith Grinstein has not made any transactions after 2007-02-07 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 Keith Grinstein

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Keith Grinstein Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Keith Grinstein owns 2 companies in total, including F5 Inc (FFIV) , and TrueBlue Inc (TBI) .

Click here to see the complete history of Keith Grinstein’s form 4 insider trades.

Insider Ownership Summary of Keith Grinstein

Ticker Comapny Transaction Date Type of Owner
FFIV F5 Inc 2007-02-07 director
TBI TrueBlue Inc 2004-11-16 director

Keith Grinstein Latest Holdings Summary

Keith Grinstein currently owns a total of 1 stock. Keith Grinstein owns 17,000 shares of F5 Inc (FFIV) as of February 7, 2007, with a value of $4 Million.

Latest Holdings of Keith Grinstein

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
FFIV F5 Inc 2007-02-07 17,000 217.92 3,704,640

Holding Weightings of Keith Grinstein


Keith Grinstein Form 4 Trading Tracker

According to the SEC Form 4 filings, Keith Grinstein has made a total of 0 transactions in F5 Inc (FFIV) over the past 5 years. The most-recent trade in F5 Inc is the sale of 10,000 shares on February 7, 2007, which brought Keith Grinstein around $365,000.

Insider Trading History of Keith Grinstein

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.

Keith Grinstein Trading Performance

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

Keith Grinstein Ownership Network

Ownership Network List of Keith Grinstein

No Data

Ownership Network Relation of Keith Grinstein

Insider Network Chart

Keith Grinstein Owned Company Details

What does F5 Inc do?

Who are the key executives at F5 Inc?

Keith Grinstein is the director of F5 Inc. Other key executives at F5 Inc include EVP & Chief Financial Officer Francis J. Pelzer , director & President & CEO & Director Francois Locoh-donou , and EVP & Worldwide Sales Chad Michael Whalen .

F5 Inc (FFIV) Insider Trades Summary

Over the past 18 months, Keith Grinstein made no insider transaction in F5 Inc (FFIV). Other recent insider transactions involving F5 Inc (FFIV) include a net sale of 30,503 shares made by Francois Locoh-donou , a net sale of 8,500 shares made by Francis J. Pelzer , and a net sale of 8,664 shares made by Thomas Dean Fountain .

In summary, during the past 3 months, insiders sold 15,614 shares of F5 Inc (FFIV) in total and bought 0 shares, with a net sale of 15,614 shares. During the past 18 months, 76,081 shares of F5 Inc (FFIV) were sold and 0 shares were bought by its insiders, resulting in a net sale of 76,081 shares.

F5 Inc (FFIV)'s detailed insider trading history can be found in Insider Trading Tracker table.

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F5 Inc Insider Transactions

No Available Data

Keith Grinstein Mailing Address

Above is the net worth, insider trading, and ownership report for Keith Grinstein. You might contact Keith Grinstein via mailing address: 201 Route 17 N, Rutherford Nj 07070.

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