John D Grampa - Net Worth and Insider Trading

John D Grampa Net Worth

The estimated net worth of John D Grampa is at least $5 Million dollars as of 2024-11-09. John D Grampa is the Sr. VP Finance and CFO of Materion Corp and owns about 38,604 shares of Materion Corp (MTRN) stock worth over $5 Million. John D Grampa is also the Director of Park-Ohio Holdings Corp and owns about 7,000 shares of Park-Ohio Holdings Corp (PKOH) stock worth over $227,780. Details can be seen in John D Grampa'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 John D Grampa has not made any transactions after 2020-03-18 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 John D Grampa

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John D Grampa Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, John D Grampa owns 2 companies in total, including Park-Ohio Holdings Corp (PKOH) , and Materion Corp (MTRN) .

Click here to see the complete history of John D Grampa’s form 4 insider trades.

Insider Ownership Summary of John D Grampa

Ticker Comapny Transaction Date Type of Owner
PKOH Park-Ohio Holdings Corp 2020-03-18 director
MTRN Materion Corp 2014-11-10 VP Finance & CFO

John D Grampa Latest Holdings Summary

John D Grampa currently owns a total of 2 stocks. Among these stocks, John D Grampa owns 38,604 shares of Materion Corp (MTRN) as of November 10, 2014, with a value of $5 Million and a weighting of 95.29%. John D Grampa also owns 7,000 shares of Park-Ohio Holdings Corp (PKOH) as of March 18, 2020, with a value of $227,780 and a weighting of 4.71%.

Latest Holdings of John D Grampa

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
MTRN Materion Corp 2014-11-10 38,604 119.34 4,607,001
PKOH Park-Ohio Holdings Corp 2020-03-18 7,000 32.54 227,780

Holding Weightings of John D Grampa


John D Grampa Form 4 Trading Tracker

According to the SEC Form 4 filings, John D Grampa has made a total of 0 transactions in Materion Corp (MTRN) over the past 5 years. The most-recent trade in Materion Corp is the sale of 3,735 shares on November 10, 2014, which brought John D Grampa around $144,096.

According to the SEC Form 4 filings, John D Grampa has made a total of 1 transactions in Park-Ohio Holdings Corp (PKOH) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Park-Ohio Holdings Corp is the acquisition of 5,000 shares on March 18, 2020, which cost John D Grampa around $66,350.

Insider Trading History of John D Grampa

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.

John D Grampa Trading Performance

GuruFocus tracks the stock performance after each of John D Grampa's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John D Grampa is 15.97%. GuruFocus also compares John D Grampa's trading performance to market benchmark return within the same time period. The performance of stocks bought by John D Grampa within 3 months outperforms 1 times out of 2 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how John D Grampa'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 John D Grampa

Average Return

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Average return per transaction

Outperforming Transactions

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2 out of 2 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(%) 3.27 LIMIT LIMIT LIMIT LIMIT LIMIT
Relative Return to S&P 500(%) -2.02 LIMIT LIMIT LIMIT LIMIT LIMIT

John D Grampa Ownership Network

Ownership Network List of John D Grampa

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Ownership Network Relation of John D Grampa

Insider Network Chart

John D Grampa Owned Company Details

What does Park-Ohio Holdings Corp do?

Who are the key executives at Park-Ohio Holdings Corp?

John D Grampa is the director of Park-Ohio Holdings Corp. Other key executives at Park-Ohio Holdings Corp include director & 10 percent owner & CEO & COB Edward F Crawford , director & 10 percent owner & President & COO Matthew V Crawford , and Director Corporate Development Patrick W Fogarty .

Park-Ohio Holdings Corp (PKOH) Insider Trades Summary

Over the past 18 months, John D Grampa made no insider transaction in Park-Ohio Holdings Corp (PKOH). Other recent insider transactions involving Park-Ohio Holdings Corp (PKOH) include a net sale of 13,500 shares made by James W Wert , a net sale of 22,047 shares made by Moore Dan T Iii , and a net sale of 7,039 shares made by Hanna Howard W Iv .

In summary, during the past 3 months, insiders sold 0 shares of Park-Ohio Holdings Corp (PKOH) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 69,396 shares of Park-Ohio Holdings Corp (PKOH) were sold and 31,693 shares were bought by its insiders, resulting in a net sale of 37,703 shares.

Park-Ohio Holdings Corp (PKOH)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Park-Ohio Holdings Corp Insider Transactions

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John D Grampa Mailing Address

Above is the net worth, insider trading, and ownership report for John D Grampa. You might contact John D Grampa via mailing address: Materion Corporation, 6070 Parkland Blvd., Mayfield Heights Oh 44124.