CIK 0002036042 · Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company
Sionna Therapeutics, Inc.
Sign in to watch- Ticker
- SION
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- Phone
- 617-819-2020
- Business address
- 21 HICKORY DRIVE, SUITE 500, WALTHAM, MA, 02451
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $21,835,018
- in 1 filing
Net −$21,835,018. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-11-24 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −94,583 | $44.54 | $4.2M | 3,610,376 |
| 2025-11-24 | Thompson Peter A. Director | Sale 10b5-1 | −94,583 | $44.54 | $4.2M | 3,610,376 |
| 2025-11-21 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −1,210 | $39.50 | $48K | 6,897,623 |
| 2025-11-21 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −9,924 | $39.50 | $392K | 650,307 |
| 2025-11-21 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −6,440 | $39.50 | $254K | 2,198,082 |
| 2025-11-21 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −7,609 | $39.50 | $301K | 159,033 |
| 2025-11-20 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −150 | $39.89 | $6K | 6,898,929 |
| 2025-11-20 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −1,235 | $39.89 | $49K | 661,019 |
| 2025-11-20 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −801 | $39.89 | $32K | 2,205,034 |
| 2025-11-20 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −947 | $39.89 | $38K | 167,246 |
| 2025-11-20 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −96 | $40.50 | $4K | 6,898,833 |
| 2025-11-20 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −788 | $40.50 | $32K | 660,231 |
| 2025-11-20 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −512 | $40.50 | $21K | 2,204,522 |
| 2025-11-20 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −604 | $40.50 | $24K | 166,642 |
| 2025-11-19 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −2,276 | $40.01 | $91K | 6,899,081 |
| 2025-11-19 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −18,684 | $40.01 | $748K | 662,266 |
| 2025-11-19 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −12,126 | $40.01 | $485K | 2,205,843 |
| 2025-11-19 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −14,325 | $40.01 | $573K | 168,202 |
| 2025-11-19 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −2 | $40.61 | $81 | 6,899,079 |
| 2025-11-19 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −12 | $40.61 | $487 | 662,254 |
Page 5 of 15 · 284 trades