Senior insider sale
President & CEO at SIONNA THERAPEUTICS, INC. — senior position signals high conviction
$2.39M
89.97K shares
What this filing means
CLOONAN MICHAEL plans to sell 89.97K shares of SIONNA THERAPEUTICS, INC. valued at approximately $2.39M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 10/16/2025ACC: 0001950047-25-008035
DirectorOfficer· President & CEO
Since Feb 2025
89.97K
Shares to sell
$2.39M
Approx. market value
200.00
Acquired (3 months)
1
Planned
6 completed
Securities Acquired — Last 3 Months1
Exercise of Stock Options
Cash
10/16/2025
200.00Total acquired200.00
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
10/16/2025 | Exercise of Stock Options Cash | 200.00 | — |
| Total | 200.00 | ||
Planned & Completed Dispositions7
Completed
—Completed
Units to sell
14.78K
Market value
$459.7K
10/15/2025
—Completed
Units to sell
7.79K
Market value
$231.5K
9/29/2025
—Completed
Units to sell
17.21K
Market value
$496.3K
9/26/2025
—Completed
Units to sell
7.43K
Market value
$185.7K
8/27/2025
—Completed
Units to sell
17.57K
Market value
$438.7K
8/26/2025
—Completed
Units to sell
25K
Market value
$568.7K
8/20/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
200.00
Market value
$6.2K
10/16/2025
Total
Units
89.97K
Value
$2.39M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
10/15/2025 | 14.78K | $459.7K | — | Completed |
9/29/2025 | 7.79K | $231.5K | — | Completed |
9/26/2025 | 17.21K | $496.3K | — | Completed |
8/27/2025 | 7.43K | $185.7K | — | Completed |
8/26/2025 | 17.57K | $438.7K | — | Completed |
8/20/2025 | 25K | $568.7K | — | Completed |
| Planned — Approximate Date | ||||
10/16/2025 | 200.00 | $6.2K | NASDAQ | Planned |
| Total | 89.97K | $2.39M | ||