Senior insider sale
SIONNA THERAPEUTICS, INC. — senior position signals high conviction
$1.03M
25.74K shares
What this filing means
RA CAPITAL HEALTHCARE FUND LP plans to sell 25.74K shares of SIONNA THERAPEUTICS, INC. valued at approximately $1.03M. 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: 11/21/2025ACC: 0001178937-25-000084
Director10% Owner
Since Feb 2025
25.74K
Shares to sell
$1.03M
Approx. market value
1.21K
Acquired (3 months)
1
Planned
6 completed
Securities Acquired — Last 3 Months1
Private Transaction
Wire
2/2/2022
1.21KTotal acquired1.21K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
2/2/2022 | Private Transaction Wire | 1.21K | — |
| Total | 1.21K | ||
Planned & Completed Dispositions7
Completed
—Completed
Units to sell
246.00
Market value
$9.9K
11/20/2025
—Completed
Units to sell
2.28K
Market value
$91.2K
11/19/2025
—Completed
Units to sell
332.00
Market value
$13.1K
11/18/2025
—Completed
Units to sell
3.94K
Market value
$159.8K
11/17/2025
—Completed
Units to sell
3.62K
Market value
$143.4K
10/28/2025
—Completed
Units to sell
14.12K
Market value
$557.6K
10/24/2025
Planned — Approximate Date
NASDAQ GMPlanned
Units to sell
1.21K
Market value
$52.8K
11/21/2025
Total
Units
25.74K
Value
$1.03M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
11/20/2025 | 246.00 | $9.9K | — | Completed |
11/19/2025 | 2.28K | $91.2K | — | Completed |
11/18/2025 | 332.00 | $13.1K | — | Completed |
11/17/2025 | 3.94K | $159.8K | — | Completed |
10/28/2025 | 3.62K | $143.4K | — | Completed |
10/24/2025 | 14.12K | $557.6K | — | Completed |
| Planned — Approximate Date | ||||
11/21/2025 | 1.21K | $52.8K | NASDAQ GM | Planned |
| Total | 25.74K | $1.03M | ||