SION · Sionna Therapeutics Inc. Common Stock
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| TPG GP A, LLC 10% Owner | ▼ Sell | Open Market | 6,494,962 Shares held | 1/22/2026 | View profile |
| RA CAPITAL MANAGEMENT, L.P. Director | ▼ Sell | Open Market | 3,448,812 Shares held | 9/17/2026 | View profile |
| ORBIMED ADVISORS LLC Director | ▼ Sell | Open Market | 2,469,959 Shares held | 7/7/2026 | View profile |
| Peter A. Thompson Director | ▼ Sell | Open Market | 2,469,959 Shares held | 7/7/2026 | View profile |
| Atlas Venture Fund XI, L.P. 10% Owner | ▲ Buy | Open Market | 807,727 Shares held | 2/10/2025 | View profile |
| Cloonan Michael President & CEO | ▲ Buy | Grant | 765,393 Shares held | 9/17/2026 | View profile |
| Bruce Booth Director | ▼ Sell | Open Market | 686,567 Shares held | 10/21/2025 | View profile |
| Elena Ridloff CFO & Head of Corp. Dev. | ▲ Buy | Grant | 133,069 Shares held | 9/17/2026 | View profile |
| McKee Charlotte CMO and Head of R&D | ▲ Buy | Grant | 128,415 Shares held | 9/17/2026 | View profile |
| Jennifer Fitzpatrick Chief Legal Officer | ▲ Buy | Grant | 56,265 Shares held | 9/17/2026 | View profile |
Transaction History
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 3,415,011 | $21.6M | 9/17/2026 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 33,800 | $252K | 9/17/2026 |
| Elena Ridloff | ▲ Buy | Grant | 47,269 | $0 | 9/17/2026 |
| Elena Ridloff | ▲ Buy | Grant | 47,268 | $0 | 9/17/2026 |
| McKee Charlotte | ▲ Buy | Grant | 50,000 | $0 | 9/17/2026 |
| McKee Charlotte | ▲ Buy | Grant | 50,000 | $0 | 9/17/2026 |
| Jennifer Fitzpatrick | ▲ Buy | Grant | 28,132 | $0 | 9/17/2026 |
| Cloonan Michael | ▲ Buy | Grant | 109,025 | $0 | 9/17/2026 |
| Cloonan Michael | ▲ Buy | Grant | 109,025 | $0 | 9/17/2026 |
| Jennifer Fitzpatrick | ▲ Buy | Grant | 28,133 | $0 | 9/17/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 85,918 | $3.9M | 7/7/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 85,918 | $3.9M | 7/7/2026 |
| Jennifer Fitzpatrick | ▲ Buy | Option Exercise | 10,250 | $63K | 7/6/2026 |
| Jennifer Fitzpatrick | ▼ Sell | Open Market | 10,250 | $447K | 7/6/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 115,844 | $5.3M | 6/30/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 115,844 | $5.3M | 6/30/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 101 | $4K | 5/27/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 101 | $4K | 5/27/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 184,639 | $8.5M | 5/11/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 184,639 | $8.5M | 5/11/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 59,767 | $2.7M | 5/8/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 59,767 | $2.7M | 5/8/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 48,546 | $2.2M | 5/7/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 48,546 | $2.2M | 5/7/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 2,948 | $131K | 4/18/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 2,948 | $131K | 4/18/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 52,397 | $2.3M | 4/17/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 52,397 | $2.3M | 4/17/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 226,906 | $10.3M | 4/16/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 226,906 | $10.3M | 4/16/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 235,863 | $10.5M | 4/15/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 235,863 | $10.5M | 4/15/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 47,814 | $2.1M | 4/14/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 47,814 | $2.1M | 4/14/2026 |
| Jennifer Fitzpatrick | ▲ Buy | Option Exercise | 10,250 | $63K | 3/5/2026 |
| Jennifer Fitzpatrick | ▼ Sell | Open Market | 10,250 | $347K | 3/5/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 29,063 | $1.3M | 2/3/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 29,063 | $1.3M | 2/3/2026 |
| Peter A. Thompson | ▼ Sell | Open Market | 1,890 | $84K | 2/2/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 1,890 | $84K | 2/2/2026 |
| TPG GP A, LLC | ▼ Sell | Open Market | 250,000 | $10.0M | 1/22/2026 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 33,356 | $1.5M | 12/24/2025 |
| Peter A. Thompson | ▼ Sell | Open Market | 33,356 | $1.5M | 12/24/2025 |
| Peter A. Thompson | ▼ Sell | Open Market | 875 | $39K | 12/19/2025 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 875 | $39K | 12/19/2025 |
| Peter A. Thompson | ▼ Sell | Open Market | 100 | $4K | 12/18/2025 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 100 | $4K | 12/18/2025 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 900 | $40K | 12/17/2025 |
| Peter A. Thompson | ▼ Sell | Open Market | 900 | $40K | 12/17/2025 |
| Jennifer Fitzpatrick | ▲ Buy | Option Exercise | 10,250 | $63K | 12/5/2025 |
| Jennifer Fitzpatrick | ▼ Sell | Open Market | 10,250 | $415K | 12/5/2025 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 1,600 | $71K | 11/26/2025 |
| Peter A. Thompson | ▼ Sell | Open Market | 1,600 | $71K | 11/26/2025 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 11,890 | $530K | 11/25/2025 |
| Peter A. Thompson | ▼ Sell | Open Market | 11,890 | $530K | 11/25/2025 |
| ORBIMED ADVISORS LLC | ▼ Sell | Open Market | 94,583 | $4.2M | 11/24/2025 |
| Peter A. Thompson | ▼ Sell | Open Market | 94,583 | $4.2M | 11/24/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 6,440 | $254K | 11/21/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 1,210 | $48K | 11/21/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 9,924 | $392K | 11/21/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 7,609 | $301K | 11/21/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 96 | $4K | 11/20/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 801 | $32K | 11/20/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 947 | $38K | 11/20/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 788 | $32K | 11/20/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 512 | $21K | 11/20/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 604 | $24K | 11/20/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 150 | $6K | 11/20/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 1,235 | $49K | 11/20/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 2,276 | $91K | 11/19/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 12,126 | $485K | 11/19/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 14,325 | $573K | 11/19/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 9 | $365 | 11/19/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 2 | $81 | 11/19/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 12 | $487 | 11/19/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 8 | $325 | 11/19/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 18,684 | $748K | 11/19/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 332 | $13K | 11/18/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 2,728 | $108K | 11/18/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 1,770 | $70K | 11/18/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 2,092 | $83K | 11/18/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 2,182 | $88K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 17,913 | $720K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 11,626 | $467K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 13,734 | $552K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 1,701 | $70K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 13,964 | $573K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 9,063 | $372K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 10,707 | $440K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 53 | $2K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 433 | $18K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 280 | $12K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 331 | $14K | 11/17/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 3,624 | $143K | 10/28/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 31,392 | $1.2M | 10/28/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 17,118 | $678K | 10/28/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 10,476 | $415K | 10/28/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 14,116 | $558K | 10/24/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 122,271 | $4.8M | 10/24/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 66,672 | $2.6M | 10/24/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Open Market | 107,941 | $4.3M | 10/24/2025 |
| Bruce Booth | ▼ Sell | Open Market | 19,948 | $676K | 10/21/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 13,324 | $81K | 10/21/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 13,324 | $459K | 10/21/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 30,049 | $184K | 10/21/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 30,049 | $1.1M | 10/21/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 22,895 | $140K | 10/21/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 22,895 | $838K | 10/21/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 33,532 | $205K | 10/21/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 33,532 | $1.3M | 10/21/2025 |
| Bruce Booth | ▼ Sell | Open Market | 22,339 | $730K | 10/21/2025 |
| Bruce Booth | ▼ Sell | Open Market | 4,688 | $153K | 10/21/2025 |
| Bruce Booth | ▼ Sell | Open Market | 4,187 | $142K | 10/21/2025 |
| Bruce Booth | ▼ Sell | Open Market | 5,763 | $201K | 10/21/2025 |
| Bruce Booth | ▼ Sell | Open Market | 1,210 | $42K | 10/21/2025 |
| Bruce Booth | ▼ Sell | Open Market | 25,327 | $904K | 10/21/2025 |
| Bruce Booth | ▼ Sell | Open Market | 5,316 | $190K | 10/21/2025 |
| Bruce Booth | ▼ Sell | Open Market | 83 | $3K | 10/21/2025 |
| Bruce Booth | ▼ Sell | Open Market | 17 | $619 | 10/21/2025 |
| Bruce Booth | ▼ Sell | Open Market | 20,485 | $651K | 10/20/2025 |
| Bruce Booth | ▼ Sell | Open Market | 4,300 | $137K | 10/20/2025 |
| Bruce Booth | ▼ Sell | Open Market | 25,788 | $834K | 10/20/2025 |
| Bruce Booth | ▼ Sell | Open Market | 5,412 | $175K | 10/20/2025 |
| Bruce Booth | ▼ Sell | Open Market | 28,821 | $925K | 10/17/2025 |
| Bruce Booth | ▼ Sell | Open Market | 6,049 | $194K | 10/17/2025 |
| Bruce Booth | ▼ Sell | Open Market | 21,451 | $702K | 10/17/2025 |
| Bruce Booth | ▼ Sell | Open Market | 4,503 | $147K | 10/17/2025 |
| Bruce Booth | ▼ Sell | Open Market | 248 | $8K | 10/17/2025 |
| Bruce Booth | ▼ Sell | Open Market | 52 | $2K | 10/17/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 200 | $7K | 10/16/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 10,225 | $62K | 10/16/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 10,225 | $322K | 10/16/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 200 | $1K | 10/16/2025 |
| Bruce Booth | ▼ Sell | Open Market | 8,596 | $259K | 10/16/2025 |
| Bruce Booth | ▼ Sell | Open Market | 1,804 | $54K | 10/16/2025 |
| Bruce Booth | ▼ Sell | Open Market | 45,117 | $1.4M | 10/16/2025 |
| Bruce Booth | ▼ Sell | Open Market | 9,470 | $300K | 10/16/2025 |
| Bruce Booth | ▼ Sell | Open Market | 73,296 | $2.4M | 10/16/2025 |
| Bruce Booth | ▼ Sell | Open Market | 15,384 | $505K | 10/16/2025 |
| Bruce Booth | ▼ Sell | Open Market | 12,888 | $430K | 10/16/2025 |
| Bruce Booth | ▼ Sell | Open Market | 2,705 | $90K | 10/16/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 14,775 | $90K | 10/15/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 14,775 | $460K | 10/15/2025 |
| Bruce Booth | ▼ Sell | Open Market | 65,726 | $2.0M | 10/15/2025 |
| Bruce Booth | ▼ Sell | Open Market | 13,795 | $419K | 10/15/2025 |
| Bruce Booth | ▼ Sell | Open Market | 30,032 | $935K | 10/15/2025 |
| Bruce Booth | ▼ Sell | Open Market | 6,303 | $196K | 10/15/2025 |
| Bruce Booth | ▼ Sell | Open Market | 501 | $15K | 10/14/2025 |
| Bruce Booth | ▼ Sell | Open Market | 105 | $3K | 10/14/2025 |
| Bruce Booth | ▼ Sell | Open Market | 857 | $27K | 10/13/2025 |
| Bruce Booth | ▼ Sell | Open Market | 44,048 | $1.3M | 10/13/2025 |
| Bruce Booth | ▼ Sell | Open Market | 9,245 | $280K | 10/13/2025 |
| Bruce Booth | ▼ Sell | Open Market | 4,082 | $127K | 10/13/2025 |
| Bruce Booth | ▼ Sell | Open Market | 3,511 | $105K | 10/10/2025 |
| Bruce Booth | ▼ Sell | Open Market | 16,727 | $501K | 10/10/2025 |
| Bruce Booth | ▼ Sell | Open Market | 2,047 | $61K | 10/6/2025 |
| Bruce Booth | ▼ Sell | Open Market | 9,753 | $292K | 10/6/2025 |
| Bruce Booth | ▼ Sell | Open Market | 31,198 | $936K | 10/3/2025 |
| Bruce Booth | ▼ Sell | Open Market | 6,548 | $196K | 10/3/2025 |
| Bruce Booth | ▼ Sell | Open Market | 35 | $1K | 10/1/2025 |
| Bruce Booth | ▼ Sell | Open Market | 165 | $5K | 10/1/2025 |
| Bruce Booth | ▼ Sell | Open Market | 2,149 | $65K | 9/30/2025 |
| Bruce Booth | ▼ Sell | Open Market | 10,239 | $308K | 9/30/2025 |
| Bruce Booth | ▼ Sell | Open Market | 11,468 | $345K | 9/29/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 7,793 | $48K | 9/29/2025 |
| Bruce Booth | ▼ Sell | Open Market | 54,637 | $1.6M | 9/29/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 7,793 | $231K | 9/29/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 17,207 | $496K | 9/26/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 17,207 | $105K | 9/26/2025 |
| Jennifer Fitzpatrick | ▲ Buy | Option Exercise | 10,250 | $63K | 9/4/2025 |
| Jennifer Fitzpatrick | ▼ Sell | Open Market | 10,250 | $237K | 9/4/2025 |
| Elena Ridloff | ▼ Sell | Open Market | 8,836 | $222K | 9/2/2025 |
| Elena Ridloff | ▼ Sell | Open Market | 748 | $19K | 8/29/2025 |
| Elena Ridloff | ▼ Sell | Open Market | 16,098 | $418K | 8/28/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 7,426 | $45K | 8/27/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 7,426 | $186K | 8/27/2025 |
| Elena Ridloff | ▼ Sell | Open Market | 3,618 | $91K | 8/27/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 17,574 | $107K | 8/26/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 17,574 | $439K | 8/26/2025 |
| Elena Ridloff | ▼ Sell | Open Market | 3,700 | $93K | 8/26/2025 |
| Cloonan Michael | ▲ Buy | Option Exercise | 25,000 | $153K | 8/20/2025 |
| Cloonan Michael | ▼ Sell | Open Market | 25,000 | $569K | 8/20/2025 |
| Elena Ridloff | ▼ Sell | Open Market | 17,500 | $397K | 8/20/2025 |
| Elena Ridloff | ▼ Sell | Open Market | 34,500 | $727K | 8/19/2025 |
| TPG GP A, LLC | ▲ Buy | Open Market | 60,000 | $950K | 6/27/2025 |
| Bruce Booth | ▼ Sell | Other | 747,727 | — | 2/10/2025 |
| Peter A. Thompson | ▲ Buy | Open Market | 550,000 | $9.9M | 2/10/2025 |
| Bruce Booth | ▲ Buy | Open Market | 60,000 | $1.1M | 2/10/2025 |
| Atlas Venture Fund XI, L.P. | ▲ Buy | Open Market | 60,000 | $1.1M | 2/10/2025 |
| Atlas Venture Fund XI, L.P. | ▼ Sell | Other | 747,727 | — | 2/10/2025 |
| Atlas Venture Fund XI, L.P. | ▼ Sell | Other | 2,886,293 | — | 2/10/2025 |
| Bruce Booth | ▼ Sell | Other | 2,886,293 | — | 2/10/2025 |
| Peter A. Thompson | ▼ Sell | Other | 3,154,959 | — | 2/10/2025 |
| TPG GP A, LLC | ▼ Sell | Other | 4,875,547 | — | 2/10/2025 |
| TPG GP A, LLC | ▲ Buy | Open Market | 1,125,000 | $20.3M | 2/10/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Other | 5,021,990 | — | 2/10/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Other | 527,444 | — | 2/10/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Other | 2,222,084 | — | 2/10/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▼ Sell | Other | 179,975 | — | 2/10/2025 |
| RA CAPITAL MANAGEMENT, L.P. | ▲ Buy | Open Market | 1,022,586 | $18.4M | 2/10/2025 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 16, 2026
Sionna Shares Fall 37.6% Over 4 Weeks, Trend Reversal Possible
Sionna Therapeutics shares fell 37.6% over the past four weeks. The drop has pushed the stock into a low RSI zone of 23.4, suggesting it may be oversold. The price is near a key support level at $5.71, which has been tested 20 times. Analysts see a potential trend reversal, but the stock remains far below its 52‑week high of $54.97.
Sionna Shares Fall 37.6% Over 4 Weeks, Trend Reversal Possible. Sionna Therapeutics shares fell 37.6% over the past four weeks. The drop has pushed the stock into a low RSI zone of 23.4, suggesting it may be oversold. The price is near a key support level at $5.71, which has been tested 20 times. Analysts see a potential trend reversal, but the stock remains far below its 52‑week high of $54.97.