Mark Henri Leonard - Net Worth and Insider Trading
Mark Henri Leonard Net Worth
The estimated net worth of Mark Henri Leonard is at least $569 Million dollars as of 2026-08-21. Mark Henri Leonard is the Director, Senior Officer of Constellation Software Inc and owns about 185,090 shares of Constellation Software Inc (TSX:CSU) stock worth over $569 Million. Details can be seen in Mark Henri Leonard'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 Henri Leonard has not made any transactions after 2025-03-27 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Mark Henri Leonard
Mark Henri Leonard Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Mark Henri Leonard owns 1 companies in total, including Constellation Software Inc (TSX:CSU) .
Click here to see the complete history of Mark Henri Leonard’s form 4 insider trades.
Insider Ownership Summary of Mark Henri Leonard
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| TSX:CSU | Constellation Software Inc | 2025-03-27 | Director & Senior Officer |
Mark Henri Leonard Latest Holdings Summary
Mark Henri Leonard currently owns a total of 1 stock. Mark Henri Leonard owns 185,090 shares of Constellation Software Inc (TSX:CSU) as of March 27, 2025, with a value of $569 Million.
Latest Holdings of Mark Henri Leonard
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| TSX:CSU | Constellation Software Inc | 2025-03-27 | 185,090 | 3,075.89 | 569,316,480 |
Holding Weightings of Mark Henri Leonard
Mark Henri Leonard Form 4 Trading Tracker
According to the SEC Form 4 filings, Mark Henri Leonard has made a total of 10 transactions in Constellation Software Inc (TSX:CSU) over the past 5 years, including 0 buys and 10 sells. The most-recent trade in Constellation Software Inc is the sale of 2,000 shares on March 27, 2025, which brought Mark Henri Leonard around $9 Million.
Insider Trading History of Mark Henri Leonard
* The information on this page (including Insider Trading Shares, Share Changes, Cost, etc.) is sourced exclusively from Form 4 filings and does not incorporate any data from 13F or 13D/G filings. As a result, it may differ from the values shown on the Guru page.
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Mark Henri Leonard Trading Performance
Mark Henri Leonard Ownership Network
Ownership Network List of Mark Henri Leonard
Ownership Network Relation of Mark Henri Leonard
Mark Henri Leonard Owned Company Details
What does Constellation Software Inc do?
Who are the key executives at Constellation Software Inc?
Mark Henri Leonard is the Director & Senior Officer of Constellation Software Inc. Other key executives at Constellation Software Inc include Senior Officer Jamal Nizam Baksh , Director or Senior Officer of Insider or Subsidiary (other than in 4,5,6) Brian Robert Beattie , and Senior Officer Barry Alan Symons .
Constellation Software Inc (TSX:CSU) Insider Trades Summary
Over the past 18 months, Mark Henri Leonard made 1 insider transaction in Constellation Software Inc (TSX:CSU) with a net sale of 2,000. Other recent insider transactions involving Constellation Software Inc (TSX:CSU) include a net sale of 455 shares made by Jamal Nizam Baksh , a net sale of 2,500 shares made by Barry Alan Symons , and a net purchase of 275 shares made by Mark Robert Miller .
In summary, during the past 3 months, insiders sold 285 shares of Constellation Software Inc (TSX:CSU) in total and bought 0 shares, with a net sale of 285 shares. During the past 18 months, 4,956 shares of Constellation Software Inc (TSX:CSU) were sold and 529 shares were bought by its insiders, resulting in a net sale of 4,427 shares.
Constellation Software Inc (TSX:CSU)'s detailed insider trading history can be found in Insider Trading Tracker table.
Constellation Software Inc Insider Transactions
Mark Henri Leonard Mailing Address
Above is the net worth, insider trading, and ownership report for Mark Henri Leonard. Currently GuruFocus does not have mailing address information for Mark Henri Leonard.
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