Thomas R Cech - Net Worth and Insider Trading
Thomas R Cech Net Worth
The estimated net worth of Thomas R Cech is at least $8,471 dollars as of 2025-04-29. Thomas R Cech is the Director of Merck & Co Inc and owns about 100 shares of Merck & Co Inc (MRK) stock worth over $8,471. Details can be seen in Thomas R Cech'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 Thomas R Cech has not made any transactions after 2017-02-03 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Thomas R Cech
Thomas R Cech Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Thomas R Cech owns 2 companies in total, including Merck & Co Inc (MRK) , and Merck & Co Inc (MRKPRB.PFD) .
Click here to see the complete history of Thomas R Cech’s form 4 insider trades.
Insider Ownership Summary of Thomas R Cech
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
MRK | Merck & Co Inc | 2019-05-31 | director |
MRKPRB.PFD | Merck & Co Inc | 2019-05-31 | director |
Thomas R Cech Latest Holdings Summary
Thomas R Cech currently owns a total of 1 stock. Thomas R Cech owns 100 shares of Merck & Co Inc (MRK) as of February 3, 2017, with a value of $8,471.
Latest Holdings of Thomas R Cech
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
MRK | Merck & Co Inc | 2017-02-03 | 100 | 84.71 | 8,471 |
Holding Weightings of Thomas R Cech
Thomas R Cech Form 4 Trading Tracker
According to the SEC Form 4 filings, Thomas R Cech has made a total of 0 transactions in Merck & Co Inc (MRK) over the past 5 years. The most-recent trade in Merck & Co Inc is the sale of 5,000 shares on February 3, 2017, which brought Thomas R Cech around $317,100.
Insider Trading History of Thomas R Cech
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Thomas R Cech Trading Performance
Thomas R Cech Ownership Network
Ownership Network List of Thomas R Cech
Ownership Network Relation of Thomas R Cech

Thomas R Cech Owned Company Details
What does Merck & Co Inc do?
Who are the key executives at Merck & Co Inc?
Thomas R Cech is the director of Merck & Co Inc. Other key executives at Merck & Co Inc include SVP & U.S. Market Johannes Jacobus Oosthuizen , EVP,Chief Info&Digital Officer David Michael Williams , and Chief Comm. & Public Afrs Ofcr Cristal N Downing .
Merck & Co Inc (MRK) Insider Trades Summary
Over the past 18 months, Thomas R Cech made no insider transaction in Merck & Co Inc (MRK). Other recent insider transactions involving Merck & Co Inc (MRK) include a net sale of 29,540 shares made by Johannes Jacobus Oosthuizen , a net sale of 7,451 shares made by David Michael Williams , and a net sale of 235,021 shares made by Robert M Davis .
In summary, during the past 3 months, insiders sold 16,861 shares of Merck & Co Inc (MRK) in total and bought 17,833 shares, with a net purchase of 972 shares. During the past 18 months, 372,189 shares of Merck & Co Inc (MRK) were sold and 17,833 shares were bought by its insiders, resulting in a net sale of 354,356 shares.
Merck & Co Inc (MRK)'s detailed insider trading history can be found in Insider Trading Tracker table.
Merck & Co Inc Insider Transactions
Thomas R Cech Mailing Address
Above is the net worth, insider trading, and ownership report for Thomas R Cech. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Thomas R Cech's mailing address is: Kenilworth Nj 07033.