Stephen F. Mahoney - Net Worth and Insider Trading
Stephen F. Mahoney Net Worth
The estimated net worth of Stephen F. Mahoney is at least $434,341 dollars as of 2024-12-27. Stephen F. Mahoney is the President and CEO of Viridian Therapeutics Inc and owns about 21,400 shares of Viridian Therapeutics Inc (VRDN) stock worth over $424,362. Stephen F. Mahoney is also the See Remarks of Magenta Therapeutics Inc and owns about 14,264 shares of Magenta Therapeutics Inc (MGTA) stock worth over $9,979. Details can be seen in Stephen F. Mahoney'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 Stephen F. Mahoney has not made any transactions after 2024-09-27 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Stephen F. Mahoney
Stephen F. Mahoney Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Stephen F. Mahoney owns 3 companies in total, including Kiniksa Pharmaceuticals International PLC (KNSA) , Magenta Therapeutics Inc (MGTA) , and Viridian Therapeutics Inc (VRDN) .
Click here to see the complete history of Stephen F. Mahoney’s form 4 insider trades.
Insider Ownership Summary of Stephen F. Mahoney
| Ticker | Comapny | Transaction Date | Type of Owner |
|---|---|---|---|
| KNSA | Kiniksa Pharmaceuticals International PLC | 2018-05-23 | 10 percent owner & President & COO |
| MGTA | Magenta Therapeutics Inc | 2021-09-16 | See Remarks |
| VRDN | Viridian Therapeutics Inc | 2024-09-27 | director & President and CEO |
Stephen F. Mahoney Latest Holdings Summary
Stephen F. Mahoney currently owns a total of 2 stocks. Among these stocks, Stephen F. Mahoney owns 21,400 shares of Viridian Therapeutics Inc (VRDN) as of September 27, 2024, with a value of $424,362 and a weighting of 97.7%. Stephen F. Mahoney also owns 14,264 shares of Magenta Therapeutics Inc (MGTA) as of September 16, 2021, with a value of $9,979 and a weighting of 2.3%.
Latest Holdings of Stephen F. Mahoney
| Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| VRDN | Viridian Therapeutics Inc | 2024-09-27 | 21,400 | 19.83 | 424,362 |
| MGTA | Magenta Therapeutics Inc | 2021-09-16 | 14,264 | 0.70 | 9,979 |
Holding Weightings of Stephen F. Mahoney
Stephen F. Mahoney Form 4 Trading Tracker
According to the SEC Form 4 filings, Stephen F. Mahoney has made a total of 1 transactions in Viridian Therapeutics Inc (VRDN) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Viridian Therapeutics Inc is the acquisition of 21,400 shares on September 27, 2024, which cost Stephen F. Mahoney around $499,262.
According to the SEC Form 4 filings, Stephen F. Mahoney has made a total of 1 transactions in Magenta Therapeutics Inc (MGTA) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in Magenta Therapeutics Inc is the sale of 5,736 shares on September 16, 2021, which brought Stephen F. Mahoney around $38,603.
Insider Trading History of Stephen F. Mahoney
- 1
Stephen F. Mahoney Trading Performance
GuruFocus tracks the stock performance after each of Stephen F. Mahoney's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Stephen F. Mahoney is -17.23%. GuruFocus also compares Stephen F. Mahoney's trading performance to market benchmark return within the same time period. The performance of stocks bought by Stephen F. Mahoney within 3 months outperforms 0 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 Stephen F. Mahoney's insider trading performs compared to the benchmark.
Performance of Stephen F. Mahoney
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | -1.2 |  | | | | |
| Relative Return to S&P 500(%) | -2.42 | | | | | |
Stephen F. Mahoney Ownership Network
Stephen F. Mahoney Owned Company Details
What does Kiniksa Pharmaceuticals International PLC do?
Who are the key executives at Kiniksa Pharmaceuticals International PLC?
Stephen F. Mahoney is the 10 percent owner & President & COO of Kiniksa Pharmaceuticals International PLC. Other key executives at Kiniksa Pharmaceuticals International PLC include Chief Business Officer Eben Tessari , Interim CFO Mark Ragosa , and Chief Accounting Officer Michael R Megna .
Kiniksa Pharmaceuticals International PLC (KNSA) Insider Trades Summary
Over the past 18 months, Stephen F. Mahoney made no insider transaction in Kiniksa Pharmaceuticals International PLC (KNSA). Other recent insider transactions involving Kiniksa Pharmaceuticals International PLC (KNSA) include a net sale of 150,848 shares made by John Paolini , a net sale of 92,017 shares made by Eben Tessari , and a net sale of 309,021 shares made by Sanj K Patel .
In summary, during the past 3 months, insiders sold 198,169 shares of Kiniksa Pharmaceuticals International PLC (KNSA) in total and bought 0 shares, with a net sale of 198,169 shares. During the past 18 months, 720,332 shares of Kiniksa Pharmaceuticals International PLC (KNSA) were sold and 0 shares were bought by its insiders, resulting in a net sale of 720,332 shares.
Kiniksa Pharmaceuticals International PLC (KNSA)'s detailed insider trading history can be found in Insider Trading Tracker table.
Kiniksa Pharmaceuticals International PLC Insider Transactions
Stephen F. Mahoney Mailing Address
Above is the net worth, insider trading, and ownership report for Stephen F. Mahoney. You might contact Stephen F. Mahoney via mailing address: C/o Kiniksa Pharmaceuticals, Ltd., Clarendon House, 2 Church Street, Hamilton D0 Hm11.
We'd love to learn more about your experiences on GuruFocus.com and how we can improve!
Take Survey
