Calvin B Massmann - Net Worth and Insider Trading

Calvin B Massmann Net Worth

The estimated net worth of Calvin B Massmann is at least $54 Million dollars as of 2025-05-06. Calvin B Massmann is the CFO of Tractor Supply Co and owns about 1,060,280 shares of Tractor Supply Co (TSCO) stock worth over $54 Million. Details can be seen in Calvin B Massmann'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 Calvin B Massmann has not made any transactions after 2005-10-25 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 Calvin B Massmann

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Calvin B Massmann Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Calvin B Massmann owns 1 companies in total, including Tractor Supply Co (TSCO) .

Click here to see the complete history of Calvin B Massmann’s form 4 insider trades.

Insider Ownership Summary of Calvin B Massmann

Ticker Company Transaction Date Type of Owner
TSCO Tractor Supply Co 2005-10-25 Chief Financial Officer

Calvin B Massmann Latest Holdings Summary

Calvin B Massmann currently owns a total of 1 stock. Calvin B Massmann owns 1,060,280 shares of Tractor Supply Co (TSCO) as of October 25, 2005, with a value of $54 Million.

Latest Holdings of Calvin B Massmann

Ticker Company Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
TSCO Tractor Supply Co 2005-10-25 1,060,280 51.03 54,106,088

Holding Weightings of Calvin B Massmann


Calvin B Massmann Form 4 Trading Tracker

According to the SEC Form 4 filings, Calvin B Massmann has made a total of 0 transactions in Tractor Supply Co (TSCO) over the past 5 years. The most-recent trade in Tractor Supply Co is the sale of 1,700,000 shares on October 25, 2005, which brought Calvin B Massmann around $4 Million.

Insider Trading History of Calvin B Massmann

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.

Calvin B Massmann Trading Performance

GuruFocus tracks the stock performance after each of Calvin B Massmann's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Calvin B Massmann is -5.01%. GuruFocus also compares Calvin B Massmann's trading performance to market benchmark return within the same time period. The performance of stocks bought by Calvin B Massmann 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 Calvin B Massmann'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 Calvin B Massmann

Average Return

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Average return per transaction

Outperforming Transactions

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0 out of 1 outperforming transactions.
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Return(%) 6.03 LIMIT LIMIT LIMIT LIMIT LIMIT
Relative Return to S&P 500(%) 4.43 LIMIT LIMIT LIMIT LIMIT LIMIT

Calvin B Massmann Ownership Network

Ownership Network List of Calvin B Massmann

No Data

Ownership Network Relation of Calvin B Massmann

Insider Network Chart


Calvin B Massmann Owned Company Details

What does Tractor Supply Co do?

Who are the key executives at Tractor Supply Co?

Calvin B Massmann is the Chief Financial Officer of Tractor Supply Co. Other key executives at Tractor Supply Co include SVP Petsense GM Matthew L. Rubin , SVP Chief Financial Officer Kurt D Barton , and EVP Supply Chain Yankee Colin .

Tractor Supply Co (TSCO) Insider Trades Summary

Over the past 18 months, Calvin B Massmann made no insider transaction in Tractor Supply Co (TSCO). Other recent insider transactions involving Tractor Supply Co (TSCO) include a net sale of 52,648 shares made by Kurt D Barton , a net sale of 5,115 shares made by Matthew L. Rubin , and a net sale of 108,595 shares made by Lawton Iii Harry A .

In summary, during the past 3 months, insiders sold 40,598 shares of Tractor Supply Co (TSCO) in total and bought 0 shares, with a net sale of 40,598 shares. During the past 18 months, 1,033,473 shares of Tractor Supply Co (TSCO) were sold and 0 shares were bought by its insiders, resulting in a net sale of 1,033,473 shares.

Tractor Supply Co (TSCO)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Tractor Supply Co Insider Transactions

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Calvin B Massmann Mailing Address

Above is the net worth, insider trading, and ownership report for Calvin B Massmann. Currently GuruFocus does not have mailing address information for Calvin B Massmann.