Donald E. Walther - Net Worth and Insider Trading
Donald E. Walther Net Worth
The estimated net worth of Donald E. Walther is at least $1,495 dollars as of 2026-09-15. Donald E. Walther is the Chief Legal Officer of Comtech Telecommunications Corp and owns about 1,000 shares of Comtech Telecommunications Corp (CMTL) stock worth over $1,495. Details can be seen in Donald E. Walther'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 Donald E. Walther has not made any transactions after 2023-06-14 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Donald E. Walther
Donald E. Walther Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Donald E. Walther owns 3 companies in total, including TopBuild Corp (BLD) , Esterline Technologies Corp (ESL) , and Comtech Telecommunications Corp (CMTL) .
Click here to see the complete history of Donald E. Walther’s form 4 insider trades.
Insider Ownership Summary of Donald E. Walther
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| BLD | TopBuild Corp | 2019-05-06 | Gen. Counsel & Corporate Sec. |
| ESL | Esterline Technologies Corp | 2019-03-14 | Executive VP & General Counsel |
| CMTL | Comtech Telecommunications Corp | 2023-06-14 | Chief Legal Officer |
Donald E. Walther Latest Holdings Summary
Donald E. Walther currently owns a total of 1 stock. Donald E. Walther owns 1,000 shares of Comtech Telecommunications Corp (CMTL) as of June 14, 2023, with a value of $1,495.
Latest Holdings of Donald E. Walther
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| CMTL | Comtech Telecommunications Corp | 2023-06-14 | 1,000 | 1.50 | 1,495 |
Holding Weightings of Donald E. Walther
Donald E. Walther Form 4 Trading Tracker
According to the SEC Form 4 filings, Donald E. Walther has made a total of 1 transactions in Comtech Telecommunications Corp (CMTL) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Comtech Telecommunications Corp is the acquisition of 1,000 shares on June 14, 2023, which cost Donald E. Walther around $9,040.
Insider Trading History of Donald E. Walther
* 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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Donald E. Walther Trading Performance
GuruFocus tracks the stock performance after each of Donald E. Walther's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Donald E. Walther is 4.14%. GuruFocus also compares Donald E. Walther's trading performance to market benchmark return within the same time period. The performance of stocks bought by Donald E. Walther within 3 months outperforms 1 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 Donald E. Walther's insider trading performs compared to the benchmark.
Performance of Donald E. Walther
Donald E. Walther Ownership Network
Ownership Network List of Donald E. Walther
Ownership Network Relation of Donald E. Walther

Donald E. Walther Owned Company Details
What does TopBuild Corp do?
Who are the key executives at TopBuild Corp?
Donald E. Walther is the Gen. Counsel & Corporate Sec. of TopBuild Corp. Other key executives at TopBuild Corp include President & COO Robert M Buck , VP & Gen. Counsel & Corp Sec. Luis Francisco Machado , and Vice President & Controller Robert M Kuhns .
TopBuild Corp (BLD) Insider Trades Summary
Over the past 18 months, Donald E. Walther made no insider transaction in TopBuild Corp (BLD). Other recent insider transactions involving TopBuild Corp (BLD) include a net sale of 17,350 shares made by Robert M Buck , a net sale of 4,950 shares made by Robert M Kuhns , and a net sale of 1,990 shares made by Luis Francisco Machado .
In summary, during the past 3 months, insiders sold 0 shares of TopBuild Corp (BLD) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 27,493 shares of TopBuild Corp (BLD) were sold and 0 shares were bought by its insiders, resulting in a net sale of 27,493 shares.
TopBuild Corp (BLD)'s detailed insider trading history can be found in Insider Trading Tracker table.
TopBuild Corp Insider Transactions
Donald E. Walther Mailing Address
Above is the net worth, insider trading, and ownership report for Donald E. Walther. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Donald E. Walther's mailing address is: Bellevue Wa 98004.