Sionna Therapeutics, Inc.
SION
21 insider filings · Latest: Jun 17, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Mar 5, 2026 | Mar 6 11:56 PM | Jennifer FitzpatrickChief Legal Officer | Sale | 10,250 | $33.86 | $347.0K | 0(D) | View → |
| Mar 5, 2026 | Mar 5 9:28 PM | JENNIFER FITZPATRICK | Proposed Sale | 10,250 | $34.57 | $354.3K | — | View → |
| Feb 3, 2026 | Feb 5 12:43 AM | Peter A. ThompsonDirector | Sale | 29,063 | $44.58 | $1.3M | 3,530,702(I) | View → |
| Feb 2, 2026 | Feb 5 12:43 AM | Peter A. ThompsonDirector | Sale | 1,890 | $44.57 | $84.2K | 3,559,765(I) | View → |
| Feb 3, 2026 | Feb 5 12:39 AM | ORBIMED ADVISORS LLCDirector | Sale | 29,063 | $44.58 | $1.3M | 3,530,702(I) | View → |
| Feb 2, 2026 | Feb 5 12:39 AM | ORBIMED ADVISORS LLCDirector | Sale | 1,890 | $44.57 | $84.2K | 3,559,765(I) | View → |
| Jan 22, 2026 | Jan 26 10:24 PM | TPG GP A, LLC10% Owner | Sale | 250,000 | $40.00 | $10.0M | 6,494,962(I) | View → |
| Jan 22, 2026 | Jan 23 1:47 AM | Rise Fund Sling, L.P. | Proposed Sale | 195,667 | $41.77 | $8.2M | — | View → |
| Jan 22, 2026 | Jan 23 1:47 AM | Rise Fund Sling II, L.P. | Proposed Sale | 54,333 | $41.77 | $2.3M | — | View → |
| Dec 5, 2025 | Dec 5 9:27 PM | JENNIFER R FITZPATRICK | Proposed Sale | 10,250 | $40.88 | $419.0K | — | View → |
| Nov 24, 2025 | Nov 25 1:22 AM | OrbiMed Private Investments VIII, LP | Proposed Sale | 1,047,770 | $44.38 | $46.5M | — | View → |
| Nov 21, 2025 | Nov 21 9:24 PM | RA Capital Healthcare Fund LP | Proposed Sale | 1,210 | $43.66 | $52.8K | — | View → |
| Nov 21, 2025 | Nov 21 9:21 PM | RA Capital Nexus Fund III, L.P. | Proposed Sale | 6,440 | $43.66 | $281.2K | — | View → |
| Nov 21, 2025 | Nov 21 9:19 PM | RA Capital Nexus Fund, L.P. | Proposed Sale | 9,924 | $43.66 | $433.3K | — | View → |
| Nov 21, 2025 | Nov 21 9:17 PM | BLACKWELL PARTNERS LLC - SERIES A | Proposed Sale | 7,609 | $43.66 | $332.2K | — | View → |
| Nov 20, 2025 | Nov 20 9:40 PM | RA Capital Nexus Fund III, L.P. | Proposed Sale | 1,313 | $38.94 | $51.1K | — | View → |
| Nov 20, 2025 | Nov 20 9:35 PM | RA Capital Nexus Fund, L.P. | Proposed Sale | 2,023 | $38.94 | $78.8K | — | View → |
| Nov 20, 2025 | Nov 20 9:34 PM | RA Capital Healthcare Fund LP | Proposed Sale | 246 | $38.94 | $9.6K | — | View → |
| Nov 20, 2025 | Nov 20 9:30 PM | BLACKWELL PARTNERS LLC - SERIES A | Proposed Sale | 1,551 | $38.94 | $60.4K | — | View → |
| Nov 19, 2025 | Nov 19 10:21 PM | RA Capital Healthcare Fund LP | Proposed Sale | 2,278 | $39.12 | $89.1K | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jun 17, 2026 | Jun 18 9:58 PM | Laurie StelzerDirector | Grant/Award | 17,340 | $36.73 | 17,340(D) | View → |
| Jun 17, 2026 | Jun 18 9:48 PM | Joanne L. VineyDirector | Grant/Award | 17,340 | $36.73 | 17,340(D) | View → |
| Jun 17, 2026 | Jun 18 9:45 PM | Peter A. ThompsonDirector | Grant/Award | 17,340 | $36.73 | 17,340(D) | View → |
| Jun 17, 2026 | Jun 18 9:41 PM | RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner | Grant/Award | 17,340 | $36.73 | 17,340(I) | View → |
| Jun 17, 2026 | Jun 18 9:39 PM | Marcella K. RuddyDirector | Grant/Award | 17,340 | $36.73 | 17,340(D) | View → |
| Jun 17, 2026 | Jun 18 9:37 PM | Joshua ResnickDirector | Grant/Award | 17,340 | $36.73 | 17,340(D) | View → |
| Jun 17, 2026 | Jun 18 9:35 PM | Harold Edward FlemingDirector | Grant/Award | 17,340 | $36.73 | 17,340(D) | View → |
| Jun 17, 2026 | Jun 18 9:33 PM | Paul J ClancyDirector | Grant/Award | 17,340 | $36.73 | 17,340(D) | View → |
| Jun 17, 2026 | Jun 18 9:29 PM | Bruce BoothDirector | Grant/Award | 17,340 | $36.73 | 17,340(D) | View → |
| Mar 5, 2026 | Mar 6 11:56 PM | Jennifer FitzpatrickChief Legal Officer | Option Exercise | 10,250 | $6.11 | 50,935(D) | View → |