Michael Cloonan Net Worth
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Michael Cloonan has an estimated net worth of at least $17.2 million*, as of Oct. 8, 2025. They own 547,343 shares of SION stock. They have sold 75,000 shares of SION stock since 2021, for an estimated $1.9 million.
Michael Cloonan $SION SEC Form 4 Insider Trading
Michael Cloonan has filed a total of 5 insider trades in $SION since 2021. Their most recent trade was a sale of 17,207 shares, made on Sep 26, 2025. Their largest trade was a sale of 25,000 shares, made on Aug 20, 2025. We estimate that they now own 547,343 shares of $SION, worth an estimated $15.2 million.
Insider Trading at $SION
There have been a total of 31 insider trades reported at $SION since 2021, with 3.5 million shares purchased and 298,489 shares sold. The most active insider traders in $SION stock have been Elena Ridloff, Michael Cloonan, and Jennifer Fitzpatrick. The most recent trade was a sale of 6,548 shares reported by Bruce Booth (None), made on Oct 03, 2025.
History of Insider Stock Trades by Michael Cloonan
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
SION
|
Sale | 17,207 | Sep 26, 2025 | Sept. 30, 2025, 4:09 p.m. |
|
SION
|
Sale | 7,793 | Sep 29, 2025 | Sept. 30, 2025, 4:09 p.m. |
|
SION
|
Sale | 17,574 | Aug 26, 2025 | Aug. 28, 2025, 5:40 p.m. |
|
SION
|
Sale | 7,426 | Aug 27, 2025 | Aug. 28, 2025, 5:40 p.m. |
|
SION
|
Sale | 25,000 | Aug 20, 2025 | Aug. 21, 2025, 4:05 p.m. |
$SION Executives and Stock Owners with Insider Trades
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Elena Ridloff, CFO & Head of Corp. Dev.
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Michael Cloonan, President & CEO
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Jennifer Fitzpatrick, Chief Legal Officer
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.