Mark Twaalfhoven - Net Worth and Insider Trading
Mark Twaalfhoven Net Worth
The estimated net worth of Mark Twaalfhoven is at least $0 dollars as of 2025-05-01. Mark Twaalfhoven is the SR VP & GGM COMM CONNECTORS of Amphenol Corp and owns about 0 shares of Amphenol Corp (APH) stock worth over $0. Details can be seen in Mark Twaalfhoven'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 Mark Twaalfhoven has not made any transactions after 2005-06-07 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Mark Twaalfhoven
Mark Twaalfhoven Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Mark Twaalfhoven owns 1 companies in total, including Amphenol Corp (APH) .
Click here to see the complete history of Mark Twaalfhoven’s form 4 insider trades.
Insider Ownership Summary of Mark Twaalfhoven
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
APH | Amphenol Corp | 2005-06-07 | SR VP & GGM COMM CONNECTORS |
Mark Twaalfhoven Latest Holdings Summary
Mark Twaalfhoven currently owns a total of 1 stock. Mark Twaalfhoven owns 0 shares of Amphenol Corp (APH) as of June 7, 2005, with a value of $0.
Latest Holdings of Mark Twaalfhoven
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
APH | Amphenol Corp | 2005-06-07 | 0 | 76.95 | 0 |
Holding Weightings of Mark Twaalfhoven
Mark Twaalfhoven Form 4 Trading Tracker
According to the SEC Form 4 filings, Mark Twaalfhoven has made a total of 0 transactions in Amphenol Corp (APH) over the past 5 years. The most-recent trade in Amphenol Corp is the sale of 200,000 shares on June 7, 2005, which brought Mark Twaalfhoven around $535,625.
Insider Trading History of Mark Twaalfhoven
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Mark Twaalfhoven Trading Performance
Mark Twaalfhoven Ownership Network
Ownership Network List of Mark Twaalfhoven
Ownership Network Relation of Mark Twaalfhoven

Mark Twaalfhoven Owned Company Details
What does Amphenol Corp do?
Who are the key executives at Amphenol Corp?
Mark Twaalfhoven is the SR VP & GGM COMM CONNECTORS of Amphenol Corp. Other key executives at Amphenol Corp include Sr. VP & Secretary & GenCounsel Lance E D'amico , SR VP & GGM EUR MIL & AERO OPS Luc Walter , and VP & CONTROLLER Craig A Lampo .
Amphenol Corp (APH) Insider Trades Summary
Over the past 18 months, Mark Twaalfhoven made no insider transaction in Amphenol Corp (APH). Other recent insider transactions involving Amphenol Corp (APH) include a net sale of 1,200,000 shares made by Craig A Lampo , a net sale of 485,000 shares made by Lance E D'amico , and a net sale of 4,340,000 shares made by Richard Adam Norwitt .
In summary, during the past 3 months, insiders sold 3,195,000 shares of Amphenol Corp (APH) in total and bought 0 shares, with a net sale of 3,195,000 shares. During the past 18 months, 8,698,000 shares of Amphenol Corp (APH) were sold and 23,678 shares were bought by its insiders, resulting in a net sale of 8,674,322 shares.
Amphenol Corp (APH)'s detailed insider trading history can be found in Insider Trading Tracker table.
Amphenol Corp Insider Transactions
Mark Twaalfhoven Mailing Address
Above is the net worth, insider trading, and ownership report for Mark Twaalfhoven. Currently GuruFocus does not have mailing address information for Mark Twaalfhoven.