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 |
|---|---|---|---|---|---|---|
| 2026-09-17 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −3,415,011 | $6.32 | $21.6M | 3,482,612 |
| 2026-09-17 | RA CAPITAL MANAGEMENT, L.P. Director | Sale | −33,800 | $7.46 | $252K | 3,448,812 |
| 2026-07-07 | Thompson Peter A. Director | Sale 10b5-1 | −85,918 | $44.86 | $3.9M | 2,469,959 |
| 2026-07-07 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −85,918 | $44.86 | $3.9M | 2,469,959 |
| 2026-07-06 | Fitzpatrick Jennifer Chief Legal Officer | Sale 10b5-1 | −10,250 | $43.60 | $447K | 0 |
| 2026-06-30 | Thompson Peter A. Director | Sale 10b5-1 | −115,844 | $45.50 | $5.3M | 2,555,877 |
| 2026-06-30 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −115,844 | $45.50 | $5.3M | 2,555,877 |
| 2026-05-27 | Thompson Peter A. Director | Sale 10b5-1 | −101 | $44.49 | $4K | 2,671,721 |
| 2026-05-27 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −101 | $44.49 | $4K | 2,671,721 |
| 2026-05-11 | Thompson Peter A. Director | Sale 10b5-1 | −184,639 | $46.22 | $8.5M | 2,671,822 |
| 2026-05-11 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −184,639 | $46.22 | $8.5M | 2,671,822 |
| 2026-05-08 | Thompson Peter A. Director | Sale 10b5-1 | −59,767 | $44.58 | $2.7M | 2,856,461 |
| 2026-05-08 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −59,767 | $44.58 | $2.7M | 2,856,461 |
| 2026-05-07 | Thompson Peter A. Director | Sale 10b5-1 | −48,546 | $44.61 | $2.2M | 2,916,228 |
| 2026-05-07 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −48,546 | $44.61 | $2.2M | 2,916,228 |
| 2026-04-18 | Thompson Peter A. Director | Sale 10b5-1 | −2,948 | $44.52 | $131K | 2,964,774 |
| 2026-04-18 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −2,948 | $44.52 | $131K | 2,964,774 |
| 2026-04-17 | Thompson Peter A. Director | Sale 10b5-1 | −52,397 | $44.68 | $2.3M | 2,967,722 |
| 2026-04-17 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −52,397 | $44.68 | $2.3M | 2,967,722 |
| 2026-04-16 | Thompson Peter A. Director | Sale 10b5-1 | −226,906 | $45.34 | $10.3M | 3,020,119 |
Page 1 of 8 · 160 trades