John P Kiernan - Net Worth and Insider Trading
John P Kiernan Net Worth
The estimated net worth of John P Kiernan is at least $2 Million dollars as of 2025-07-24. John P Kiernan is the SVP & CHIEF FINANCIAL OFFICER of Veeco Instruments Inc and owns about 82,680 shares of Veeco Instruments Inc (VECO) stock worth over $2 Million. Details can be seen in John P Kiernan'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 John P Kiernan has not made any transactions after 2025-05-12 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of John P Kiernan
John P Kiernan Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, John P Kiernan owns 1 companies in total, including Veeco Instruments Inc (VECO) .
Click here to see the complete history of John P Kiernan’s form 4 insider trades.
Insider Ownership Summary of John P Kiernan
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
VECO | Veeco Instruments Inc | 2025-05-12 | VP Finance & Corp. Controller |
John P Kiernan Latest Holdings Summary
John P Kiernan currently owns a total of 1 stock. John P Kiernan owns 82,680 shares of Veeco Instruments Inc (VECO) as of May 12, 2025, with a value of $2 Million.
Latest Holdings of John P Kiernan
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
VECO | Veeco Instruments Inc | 2025-05-12 | 82,680 | 20.97 | 1,733,800 |
Holding Weightings of John P Kiernan
John P Kiernan Form 4 Trading Tracker
According to the SEC Form 4 filings, John P Kiernan has made a total of 15 transactions in Veeco Instruments Inc (VECO) over the past 5 years, including 1 buys and 14 sells. The most-recent trade in Veeco Instruments Inc is the sale of 2,500 shares on May 12, 2025, which brought John P Kiernan around $51,600.
Insider Trading History of John P Kiernan
- 1
John P Kiernan Trading Performance
GuruFocus tracks the stock performance after each of John P Kiernan's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John P Kiernan is 27.97%. GuruFocus also compares John P Kiernan's trading performance to market benchmark return within the same time period. The performance of stocks bought by John P Kiernan within 3 months outperforms 1 times out of 2 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how John P Kiernan's insider trading performs compared to the benchmark.
Performance of John P Kiernan
John P Kiernan Ownership Network
Ownership Network List of John P Kiernan
Ownership Network Relation of John P Kiernan

John P Kiernan Owned Company Details
What does Veeco Instruments Inc do?
Who are the key executives at Veeco Instruments Inc?
John P Kiernan is the VP Finance & Corp. Controller of Veeco Instruments Inc. Other key executives at Veeco Instruments Inc include SVP - Product Line Development Adrian Devasahayam , director & CEO William John Miller , and SVP & Global Sales & Service Susan Wilkerson .
Veeco Instruments Inc (VECO) Insider Trades Summary
Over the past 18 months, John P Kiernan made 12 insider transaction in Veeco Instruments Inc (VECO) with a net sale of 30,000. Other recent insider transactions involving Veeco Instruments Inc (VECO) include a net sale of 21,010 shares made by Adrian Devasahayam , a net sale of 54,201 shares made by William John Miller , and a net sale of 4,000 shares made by Dennis Thomas St .
In summary, during the past 3 months, insiders sold 13,510 shares of Veeco Instruments Inc (VECO) in total and bought 0 shares, with a net sale of 13,510 shares. During the past 18 months, 111,730 shares of Veeco Instruments Inc (VECO) were sold and 0 shares were bought by its insiders, resulting in a net sale of 111,730 shares.
Veeco Instruments Inc (VECO)'s detailed insider trading history can be found in Insider Trading Tracker table.
Veeco Instruments Inc Insider Transactions
John P Kiernan Mailing Address
Above is the net worth, insider trading, and ownership report for John P Kiernan. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, John P Kiernan's mailing address is: Plainview Ny 11803.