Donald K Grierson - Net Worth and Insider Trading

Donald K Grierson Net Worth

The estimated net worth of Donald K Grierson is at least $8 Million dollars as of 2024-11-11. Donald K Grierson is the Director of PTC Inc and owns about 39,647 shares of PTC Inc (PTC) stock worth over $8 Million. Details can be seen in Donald K Grierson'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 Donald K Grierson has not made any transactions after 2020-02-04 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 Donald K Grierson

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Donald K Grierson Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Donald K Grierson owns 2 companies in total, including PTC Inc (PTC) , and Alpha Technologies Group Inc (AHAG) .

Click here to see the complete history of Donald K Grierson’s form 4 insider trades.

Insider Ownership Summary of Donald K Grierson

Ticker Comapny Transaction Date Type of Owner
PTC PTC Inc 2020-02-04 director
AHAG Alpha Technologies Group Inc 2003-10-08 director

Donald K Grierson Latest Holdings Summary

Donald K Grierson currently owns a total of 1 stock. Donald K Grierson owns 39,647 shares of PTC Inc (PTC) as of February 4, 2020, with a value of $8 Million.

Latest Holdings of Donald K Grierson

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
PTC PTC Inc 2020-02-04 39,647 194.09 7,695,086

Holding Weightings of Donald K Grierson


Donald K Grierson Form 4 Trading Tracker

According to the SEC Form 4 filings, Donald K Grierson has made a total of 1 transactions in PTC Inc (PTC) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in PTC Inc is the sale of 5,000 shares on February 4, 2020, which brought Donald K Grierson around $434,200.

Insider Trading History of Donald K Grierson

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.

Donald K Grierson Trading Performance

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

Donald K Grierson Ownership Network

Ownership Network List of Donald K Grierson

No Data

Ownership Network Relation of Donald K Grierson

Insider Network Chart

Donald K Grierson Owned Company Details

What does PTC Inc do?

Who are the key executives at PTC Inc?

Donald K Grierson is the director of PTC Inc. Other key executives at PTC Inc include SVP & General Counsel and Clerk Von Staats Aaron C , Chief Strategy Officer Catherine Kniker , and EVP Michael Ditullio .

PTC Inc (PTC) Insider Trades Summary

Over the past 18 months, Donald K Grierson made no insider transaction in PTC Inc (PTC). Other recent insider transactions involving PTC Inc (PTC) include a net sale of 643,225 shares made by Blake D. Moret , a net sale of 32,183 shares made by Michael Ditullio , and a net sale of 7,549 shares made by Catherine Kniker .

In summary, during the past 3 months, insiders sold 8,590 shares of PTC Inc (PTC) in total and bought 0 shares, with a net sale of 8,590 shares. During the past 18 months, 803,982 shares of PTC Inc (PTC) were sold and 0 shares were bought by its insiders, resulting in a net sale of 803,982 shares.

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

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PTC Inc Insider Transactions

No Available Data

Donald K Grierson Mailing Address

Above is the net worth, insider trading, and ownership report for Donald K Grierson. You might contact Donald K Grierson via mailing address: 8423 Midnight Pass Road, Sarasota Fl 34242.