William M Moore - Net Worth and Insider Trading
William M Moore Net Worth
The estimated net worth of William M Moore is at least $4 Million dollars as of 2026-09-10. William M Moore is the Director of Natus Medical Inc and owns about 123,962 shares of Natus Medical Inc (NTUS) stock worth over $4 Million. William M Moore is also the Director of IRIDEX Corp and owns about 402,000 shares of IRIDEX Corp (IRIX) stock worth over $273,360. Details can be seen in William M Moore'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 William M Moore has not made any transactions after 2025-12-16 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of William M Moore
William M Moore Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, William M Moore owns 3 companies in total, including IRIDEX Corp (IRIX) , Natus Medical Inc (NTUS) , and Urologix Inc (ULGX) .
Click here to see the complete history of William M Moore’s form 4 insider trades.
Insider Ownership Summary of William M Moore
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| IRIX | IRIDEX Corp | 2025-12-16 | director |
| NTUS | Natus Medical Inc | 2018-05-16 | director |
| ULGX | Urologix Inc | 2009-11-16 | director |
William M Moore Latest Holdings Summary
William M Moore currently owns a total of 2 stocks. Among these stocks, William M Moore owns 123,962 shares of Natus Medical Inc (NTUS) as of May 16, 2018, with a value of $4 Million and a weighting of 93.73%. William M Moore also owns 402,000 shares of IRIDEX Corp (IRIX) as of December 16, 2025, with a value of $273,360 and a weighting of 6.27%.
Latest Holdings of William M Moore
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| NTUS | Natus Medical Inc | 2018-05-16 | 123,962 | 32.96 | 4,085,788 |
| IRIX | IRIDEX Corp | 2025-12-16 | 402,000 | 0.68 | 273,360 |
Holding Weightings of William M Moore
William M Moore Form 4 Trading Tracker
According to the SEC Form 4 filings, William M Moore has made a total of 0 transactions in Natus Medical Inc (NTUS) over the past 5 years. The most-recent trade in Natus Medical Inc is the sale of 8,000 shares on May 16, 2018, which brought William M Moore around $287,280.
According to the SEC Form 4 filings, William M Moore has made a total of 8 transactions in IRIDEX Corp (IRIX) over the past 5 years, including 8 buys and 0 sells. The most-recent trade in IRIDEX Corp is the acquisition of 2,000 shares on December 16, 2025, which cost William M Moore around $2,020.
Insider Trading History of William M Moore
* 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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William M Moore Trading Performance
GuruFocus tracks the stock performance after each of William M Moore's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by William M Moore is 12.85%. GuruFocus also compares William M Moore's trading performance to market benchmark return within the same time period. The performance of stocks bought by William M Moore within 3 months outperforms 33 times out of 45 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how William M Moore's insider trading performs compared to the benchmark.
Performance of William M Moore
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 2.45 | | | | | |
| Relative Return to S&P 500(%) | 2.05 | | | | | |
William M Moore Ownership Network
Ownership Network List of William M Moore
Ownership Network Relation of William M Moore
William M Moore Owned Company Details
What does IRIDEX Corp do?
Who are the key executives at IRIDEX Corp?
William M Moore is the director of IRIDEX Corp. Other key executives at IRIDEX Corp include Chief Financial Officer Romeo R Dizon , President and COO Patrick Mercer , and 10 percent owner Shih-yao David Lin .
IRIDEX Corp (IRIX) Insider Trades Summary
Over the past 18 months, William M Moore made 8 insider transaction in IRIDEX Corp (IRIX) with a net purchase of 171,524. Other recent insider transactions involving IRIDEX Corp (IRIX) include a net purchase of 120,143 shares made by Romeo R Dizon , a net purchase of 7,796 shares made by Patrick Mercer , and a net purchase of 25,900 shares made by Beverly A Huss .
In summary, during the past 3 months, insiders sold 0 shares of IRIDEX Corp (IRIX) in total and bought 9,318 shares, with a net purchase of 9,318 shares. During the past 18 months, 0 shares of IRIDEX Corp (IRIX) were sold and 346,820 shares were bought by its insiders, resulting in a net purchase of 346,820 shares.
IRIDEX Corp (IRIX)'s detailed insider trading history can be found in Insider Trading Tracker table.
IRIDEX Corp Insider Transactions
William M Moore Mailing Address
Above is the net worth, insider trading, and ownership report for William M Moore. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, William M Moore's mailing address is: Mountain View Ca 94043.
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