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 |
|---|---|---|---|---|---|---|
| 2026-05-07 | 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 |
| 2026-04-16 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −226,906 | $45.34 | $10.3M | 3,020,119 |
| 2026-04-15 | Thompson Peter A. Director | Sale 10b5-1 | −235,863 | $44.64 | $10.5M | 3,247,025 |
| 2026-04-15 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −235,863 | $44.64 | $10.5M | 3,247,025 |
| 2026-04-14 | Thompson Peter A. Director | Sale 10b5-1 | −47,814 | $44.51 | $2.1M | 3,482,888 |
| 2026-04-14 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −47,814 | $44.51 | $2.1M | 3,482,888 |
| 2026-03-05 | Fitzpatrick Jennifer Chief Legal Officer | Option exercise 10b5-1 | +10,250 | $6.11 | $63K | 10,250 |
| 2026-03-05 | Fitzpatrick Jennifer Chief Legal Officer | Sale 10b5-1 | −10,250 | $33.86 | $347K | 0 |
| 2026-03-05 | Fitzpatrick Jennifer Chief Legal Officer | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −10,250 | 50,935 | ||
| 2026-02-03 | Thompson Peter A. Director | Sale 10b5-1 | −29,063 | $44.58 | $1.3M | 3,530,702 |
| 2026-02-03 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −29,063 | $44.58 | $1.3M | 3,530,702 |
| 2026-02-02 | Thompson Peter A. Director | Sale 10b5-1 | −1,890 | $44.57 | $84K | 3,559,765 |
| 2026-02-02 | ORBIMED ADVISORS LLC Director | Sale 10b5-1 | −1,890 | $44.57 | $84K | 3,559,765 |
| 2026-01-22 | TPG GP A, LLC 10% owner | Sale | −250,000 | $40.00 | $10.0M | 6,494,962 |
Page 3 of 15 · 284 trades