Michael Cloonan - Net Worth and Insider Trading
Michael Cloonan Net Worth
The estimated net worth of Michael Cloonan is at least $4 Million dollars as of 2026-09-10. Michael Cloonan is the President & CEO of Sionna Therapeutics Inc and owns about 547,343 shares of Sionna Therapeutics Inc (SION) stock worth over $4 Million. Michael Cloonan is also the Chief Business Officer of Sage Therapeutics Inc and owns about 461 shares of Sage Therapeutics Inc (SAGE) stock worth over $4,001. Details can be seen in Michael Cloonan'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 Michael Cloonan has not made any transactions after 2025-10-21 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Michael Cloonan
Michael Cloonan Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Michael Cloonan owns 2 companies in total, including Sage Therapeutics Inc (SAGE) , and Sionna Therapeutics Inc (SION) .
Click here to see the complete history of Michael Cloonan’s form 4 insider trades.
Insider Ownership Summary of Michael Cloonan
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| SAGE | Sage Therapeutics Inc | 2019-05-22 | Chief Business Officer |
| SION | Sionna Therapeutics Inc | 2025-10-21 | director & President & CEO |
Michael Cloonan Latest Holdings Summary
Michael Cloonan currently owns a total of 2 stocks. Among these stocks, Michael Cloonan owns 547,343 shares of Sionna Therapeutics Inc (SION) as of October 21, 2025, with a value of $4 Million and a weighting of 99.9%. Michael Cloonan also owns 461 shares of Sage Therapeutics Inc (SAGE) as of May 22, 2019, with a value of $4,001 and a weighting of 0.1%.
Latest Holdings of Michael Cloonan
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| SION | Sionna Therapeutics Inc | 2025-10-21 | 547,343 | 7.51 | 4,110,546 |
| SAGE | Sage Therapeutics Inc | 2019-05-22 | 461 | 8.68 | 4,001 |
Holding Weightings of Michael Cloonan
Michael Cloonan Form 4 Trading Tracker
According to the SEC Form 4 filings, Michael Cloonan has made a total of 5 transactions in Sionna Therapeutics Inc (SION) over the past 5 years, including 0 buys and 5 sells. The most-recent trade in Sionna Therapeutics Inc is the sale of 99,800 shares on October 21, 2025, which brought Michael Cloonan around $4 Million.
According to the SEC Form 4 filings, Michael Cloonan has made a total of 0 transactions in Sage Therapeutics Inc (SAGE) over the past 5 years. The most-recent trade in Sage Therapeutics Inc is the sale of 25,000 shares on May 22, 2019, which brought Michael Cloonan around $4 Million.
Insider Trading History of Michael Cloonan
* 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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Michael Cloonan Trading Performance
Michael Cloonan Ownership Network
Ownership Network List of Michael Cloonan
Ownership Network Relation of Michael Cloonan
Michael Cloonan Owned Company Details
What does Sage Therapeutics Inc do?
Who are the key executives at Sage Therapeutics Inc?
Michael Cloonan is the Chief Business Officer of Sage Therapeutics Inc. Other key executives at Sage Therapeutics Inc include See Remarks Michael C. Quirk , See Remarks Gregory L. Shiferman , and director & See Remarks Jeffrey M Jonas .
Sage Therapeutics Inc (SAGE) Insider Trades Summary
In summary, during the past 3 months, insiders sold 0 shares of Sage Therapeutics Inc (SAGE) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Sage Therapeutics Inc (SAGE) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.
Sage Therapeutics Inc (SAGE)'s detailed insider trading history can be found in Insider Trading Tracker table.
Sage Therapeutics Inc Insider Transactions
Michael Cloonan Mailing Address
Above is the net worth, insider trading, and ownership report for Michael Cloonan. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Michael Cloonan's mailing address is: Cambridge Ma 02142.
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