David L Simon - Net Worth and Insider Trading
David L Simon Net Worth
The estimated net worth of David L Simon is at least $3 Million dollars as of 2026-07-27. David L Simon is the Chief Administrative Officer of Altair Engineering Inc and owns about 24,726 shares of Altair Engineering Inc (ALTR) stock worth over $3 Million. Details can be seen in David L Simon'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 David L Simon has not made any transactions after 2022-03-16 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of David L Simon
David L Simon Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, David L Simon owns 1 companies in total, including Altair Engineering Inc (ALTR) .
Click here to see the complete history of David L Simon’s form 4 insider trades.
Insider Ownership Summary of David L Simon
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| ALTR | Altair Engineering Inc | 2022-03-16 | Chief Administrative Officer |
David L Simon Latest Holdings Summary
David L Simon currently owns a total of 1 stock. David L Simon owns 24,726 shares of Altair Engineering Inc (ALTR) as of March 16, 2022, with a value of $3 Million.
Latest Holdings of David L Simon
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| ALTR | Altair Engineering Inc | 2022-03-16 | 24,726 | 111.85 | 2,765,603 |
Holding Weightings of David L Simon
David L Simon Form 4 Trading Tracker
According to the SEC Form 4 filings, David L Simon has made a total of 2 transactions in Altair Engineering Inc (ALTR) over the past 5 years, including 0 buys and 2 sells. The most-recent trade in Altair Engineering Inc is the sale of 273 shares on March 16, 2022, which brought David L Simon around $15,971.
Insider Trading History of David L Simon
* 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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David L Simon Trading Performance
David L Simon Ownership Network
Ownership Network List of David L Simon
Ownership Network Relation of David L Simon

David L Simon Owned Company Details
What does Altair Engineering Inc do?
Who are the key executives at Altair Engineering Inc?
David L Simon is the Chief Administrative Officer of Altair Engineering Inc. Other key executives at Altair Engineering Inc include Chief People Officer Gilma Saravia , Chief Product Strategy Officer Ravi Kunju , and See Remarks Stephanie Buckner .
Altair Engineering Inc (ALTR) Insider Trades Summary
Over the past 18 months, David L Simon made no insider transaction in Altair Engineering Inc (ALTR). Other recent insider transactions involving Altair Engineering Inc (ALTR) include a net sale of 1,357 shares made by Gilma Saravia , a net sale of 2,535 shares made by Nelson Dias , and a net sale of 906 shares made by Amy Messano .
In summary, during the past 3 months, insiders sold 0 shares of Altair Engineering Inc (ALTR) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 14,710 shares of Altair Engineering Inc (ALTR) were sold and 0 shares were bought by its insiders, resulting in a net sale of 14,710 shares.
Altair Engineering Inc (ALTR)'s detailed insider trading history can be found in Insider Trading Tracker table.
Altair Engineering Inc Insider Transactions
David L Simon Mailing Address
Above is the net worth, insider trading, and ownership report for David L Simon. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, David L Simon's mailing address is: Troy Mi 48083.