S SIONNA THERAPEUTICS INC
$40.49
| Market Cap | $1.82B |
| P/E Ratio | — |
| Forward P/E | -15.69 |
| Dividend Yield | — |
| Beta | — |
| 52W Range | $7.66 - $44.48 |
| # Hedge Funds | 2 |
| Sector | Healthcare |
| Industry | Biotechnology |
Hedge Fund Ownership
| Investor 2 | % of Portfolio Weight of this stock in the investor's portfolio | Value Total dollar value of the position | Shares Number of shares held | Activity Portfolio change type: New, Increased, Decreased, or Sold |
|---|---|---|---|---|
| Viking Global Investors Viking Global Investors | 0.35% | $131.45M | 3,195,181 | — |
| Polen Capital Management Polen Capital Management | 0.01% | $1.28M | 31,258 | — |
Insider Trading
| Insider Name of the company insider who made the trade 168 | Type Purchase (buy) or Sale (sell) | Shares Number of shares traded | Price Price per share at time of transaction | Value Total dollar value of the transaction | Trade Date Date the transaction was executed | Filing Date Date the SEC filing was submitted |
|---|---|---|---|---|---|---|
| Fitzpatrick JenniferChief Legal Officer | Sale | 10,250 | $33.86 | $347.02K | 05 Mar 2026 | 06 Mar 2026 |
| Jennifer FitzpatrickChief Legal Officer | Sale | 10,250 | $33.86 | $347.02K | 05 Mar 2026 | 06 Mar 2026 |
| ORBIMED ADVISORS LLC | Sale | 29,063 | $44.58 | $1.30M | 03 Feb 2026 | 04 Feb 2026 |
| Thompson Peter A. | Sale | 29,063 | $44.58 | $1.30M | 03 Feb 2026 | 04 Feb 2026 |
| Peter A. ThompsonDirector | Sale | 29,063 | $44.58 | $1.30M | 03 Feb 2026 | 04 Feb 2026 |
| Thompson Peter A. | Sale | 1,890 | $44.57 | $84.24K | 02 Feb 2026 | 04 Feb 2026 |
| Peter A. ThompsonDirector | Sale | 1,890 | $44.57 | $84.24K | 02 Feb 2026 | 04 Feb 2026 |
| ORBIMED ADVISORS LLCDirector/ Director | Sale | 1,890 | $44.57 | $84.24K | 02 Feb 2026 | 04 Feb 2026 |
| TPG GP A, LLC | Sale | 250,000 | $40.00 | $10.00M | 22 Jan 2026 | 26 Jan 2026 |
| Thompson Peter A. | Sale | 33,356 | $44.55 | $1.49M | 24 Dec 2025 | 29 Dec 2025 |
| ORBIMED ADVISORS LLCDirector/ Director | Sale | 33,356 | $44.55 | $1.49M | 24 Dec 2025 | 29 Dec 2025 |
| Peter A. ThompsonDirector | Sale | 33,356 | $44.55 | $1.49M | 24 Dec 2025 | 29 Dec 2025 |
| Thompson Peter A. | Sale | 875 | $44.49 | $38.93K | 19 Dec 2025 | 19 Dec 2025 |
| ORBIMED ADVISORS LLC | Sale | 875 | $44.49 | $38.93K | 19 Dec 2025 | 19 Dec 2025 |
| ORBIMED ADVISORS LLC | Sale | 100 | $44.49 | $4.45K | 18 Dec 2025 | 19 Dec 2025 |
| Thompson Peter A. | Sale | 100 | $44.49 | $4.45K | 18 Dec 2025 | 19 Dec 2025 |
| Thompson Peter A. | Sale | 900 | $44.50 | $40.05K | 17 Dec 2025 | 19 Dec 2025 |
| ORBIMED ADVISORS LLC | Sale | 900 | $44.50 | $40.05K | 17 Dec 2025 | 19 Dec 2025 |
| Fitzpatrick JenniferChief Legal Officer | Sale | 10,250 | $40.52 | $415.33K | 05 Dec 2025 | 09 Dec 2025 |
| Thompson Peter A. | Sale | 1,600 | $44.49 | $71.18K | 26 Nov 2025 | 26 Nov 2025 |
| Peter A. ThompsonDirector | Sale | 1,600 | $44.49 | $71.18K | 26 Nov 2025 | 26 Nov 2025 |
| ORBIMED ADVISORS LLCDirector/ Director | Sale | 1,600 | $44.49 | $71.18K | 26 Nov 2025 | 26 Nov 2025 |
| Thompson Peter A. | Sale | 11,890 | $44.60 | $530.29K | 25 Nov 2025 | 26 Nov 2025 |
| Peter A. ThompsonDirector | Sale | 11,890 | $44.60 | $530.29K | 25 Nov 2025 | 26 Nov 2025 |
| ORBIMED ADVISORS LLCDirector/ Director | Sale | 11,890 | $44.60 | $530.29K | 25 Nov 2025 | 26 Nov 2025 |
| Thompson Peter A. | Sale | 94,583 | $44.54 | $4.21M | 24 Nov 2025 | 26 Nov 2025 |
| ORBIMED ADVISORS LLC | Sale | 94,583 | $44.54 | $4.21M | 24 Nov 2025 | 26 Nov 2025 |
| Peter A. ThompsonDirector | Sale | 94,583 | $44.54 | $4.21M | 24 Nov 2025 | 26 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 1,210 | $39.50 | $47.80K | 21 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 7,609 | $39.50 | $300.56K | 21 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 6,440 | $39.50 | $254.38K | 21 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 9,924 | $39.50 | $392.00K | 21 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 512 | $40.50 | $20.74K | 20 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 801 | $39.89 | $31.95K | 20 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 96 | $40.50 | $3.89K | 20 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 788 | $40.50 | $31.91K | 20 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 1,235 | $39.89 | $49.26K | 20 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 947 | $39.89 | $37.78K | 20 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 150 | $39.89 | $5.98K | 20 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 604 | $40.50 | $24.46K | 20 Nov 2025 | 24 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 2 | $40.61 | $81.22 | 19 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 14,325 | $40.01 | $573.14K | 19 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 12 | $40.61 | $487.32 | 19 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 2,276 | $40.01 | $91.06K | 19 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 18,684 | $40.01 | $747.55K | 19 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 12,126 | $40.01 | $485.16K | 19 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 9 | $40.61 | $365.49 | 19 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 8 | $40.61 | $324.88 | 19 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 2,092 | $39.57 | $82.78K | 18 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 1,770 | $39.57 | $70.04K | 18 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 332 | $39.57 | $13.14K | 18 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 2,728 | $39.57 | $107.95K | 18 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 331 | $42.10 | $13.94K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 10,707 | $41.05 | $439.52K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 13,964 | $41.05 | $573.22K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 2,182 | $40.20 | $87.72K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 53 | $42.10 | $2.23K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 9,063 | $41.05 | $372.04K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 17,913 | $40.20 | $720.10K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 433 | $42.10 | $18.23K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 11,626 | $40.20 | $467.37K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 280 | $42.10 | $11.79K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 1,701 | $41.05 | $69.83K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 13,734 | $40.20 | $552.11K | 17 Nov 2025 | 19 Nov 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 10,476 | $39.58 | $414.64K | 28 Oct 2025 | 28 Oct 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 31,392 | $39.58 | $1.24M | 28 Oct 2025 | 28 Oct 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 3,624 | $39.58 | $143.44K | 28 Oct 2025 | 28 Oct 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 17,118 | $39.58 | $677.53K | 28 Oct 2025 | 28 Oct 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Sale | 14,116 | $39.50 | $557.58K | 24 Oct 2025 | 28 Oct 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 107,941 | $39.50 | $4.26M | 24 Oct 2025 | 28 Oct 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 122,271 | $39.50 | $4.83M | 24 Oct 2025 | 28 Oct 2025 |
| RA CAPITAL MANAGEMENT, L.P.Director, 10% Owner/ Director, 10% Owner/ Director/ Director/ Director, 10% Owner/ Director, 10% Owner | Sale | 66,672 | $39.50 | $2.63M | 24 Oct 2025 | 28 Oct 2025 |
| Cloonan MichaelPresident & CEO | Sale | 30,049 | $35.63 | $1.07M | 21 Oct 2025 | 22 Oct 2025 |
| Booth Bruce | Sale | 17 | $36.42 | $619.14 | 21 Oct 2025 | 21 Oct 2025 |
| Booth Bruce | Sale | 83 | $36.42 | $3.02K | 21 Oct 2025 | 21 Oct 2025 |
| Booth Bruce | Sale | 4,688 | $32.69 | $153.25K | 21 Oct 2025 | 21 Oct 2025 |
| Cloonan MichaelPresident & CEO | Sale | 33,532 | $37.31 | $1.25M | 21 Oct 2025 | 22 Oct 2025 |
| Cloonan MichaelPresident & CEO | Sale | 22,895 | $36.60 | $837.96K | 21 Oct 2025 | 22 Oct 2025 |
| Cloonan MichaelPresident & CEO | Sale | 13,324 | $34.44 | $458.88K | 21 Oct 2025 | 22 Oct 2025 |
| Booth Bruce | Sale | 5,316 | $35.69 | $189.73K | 21 Oct 2025 | 21 Oct 2025 |
| Booth Bruce | Sale | 25,327 | $35.69 | $903.92K | 21 Oct 2025 | 21 Oct 2025 |
| Booth Bruce | Sale | 1,210 | $34.91 | $42.24K | 21 Oct 2025 | 21 Oct 2025 |
| Booth Bruce | Sale | 5,763 | $34.91 | $201.19K | 21 Oct 2025 | 21 Oct 2025 |
| Booth Bruce | Sale | 4,187 | $33.87 | $141.81K | 21 Oct 2025 | 21 Oct 2025 |
| Booth Bruce | Sale | 19,948 | $33.87 | $675.64K | 21 Oct 2025 | 21 Oct 2025 |
| Booth Bruce | Sale | 22,339 | $32.69 | $730.26K | 21 Oct 2025 | 21 Oct 2025 |
| Michael CloonanPresident & CEO | Sale | 33,532 | $37.31 | $1.25M | 21 Oct 2025 | 22 Oct 2025 |
| Michael CloonanPresident & CEO | Sale | 22,895 | $36.60 | $837.96K | 21 Oct 2025 | 22 Oct 2025 |
| Michael CloonanPresident & CEO | Sale | 30,049 | $35.63 | $1.07M | 21 Oct 2025 | 22 Oct 2025 |
| Michael CloonanPresident & CEO | Sale | 13,324 | $34.44 | $458.88K | 21 Oct 2025 | 22 Oct 2025 |
| Bruce BoothDirector | Sale | 83 | $36.42 | $3.02K | 21 Oct 2025 | 21 Oct 2025 |
| Bruce BoothDirector | Sale | 5,316 | $35.69 | $189.73K | 21 Oct 2025 | 21 Oct 2025 |
| Bruce BoothDirector | Sale | 25,327 | $35.69 | $903.92K | 21 Oct 2025 | 21 Oct 2025 |
| Bruce BoothDirector | Sale | 1,210 | $34.91 | $42.24K | 21 Oct 2025 | 21 Oct 2025 |
| Bruce BoothDirector | Sale | 5,763 | $34.91 | $201.19K | 21 Oct 2025 | 21 Oct 2025 |
| Bruce BoothDirector | Sale | 4,187 | $33.87 | $141.81K | 21 Oct 2025 | 21 Oct 2025 |
| Bruce BoothDirector | Sale | 19,948 | $33.87 | $675.64K | 21 Oct 2025 | 21 Oct 2025 |
| Bruce BoothDirector | Sale | 22,339 | $32.69 | $730.26K | 21 Oct 2025 | 21 Oct 2025 |
| Bruce BoothDirector | Sale | 17 | $36.42 | $619.14 | 21 Oct 2025 | 21 Oct 2025 |
| Bruce BoothDirector | Sale | 4,688 | $32.69 | $153.25K | 21 Oct 2025 | 21 Oct 2025 |
| Booth Bruce | Sale | 25,788 | $32.33 | $833.73K | 20 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 5,412 | $32.33 | $174.97K | 20 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 4,300 | $31.79 | $136.70K | 20 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 20,485 | $31.79 | $651.22K | 20 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 5,412 | $32.33 | $174.97K | 20 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 25,788 | $32.33 | $833.73K | 20 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 4,300 | $31.79 | $136.70K | 20 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 20,485 | $31.79 | $651.22K | 20 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 52 | $33.47 | $1.74K | 17 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 4,503 | $32.71 | $147.29K | 17 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 248 | $33.47 | $8.30K | 17 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 21,451 | $32.71 | $701.66K | 17 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 6,049 | $32.10 | $194.17K | 17 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 28,821 | $32.10 | $925.15K | 17 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 52 | $33.47 | $1.74K | 17 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 248 | $33.47 | $8.30K | 17 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 21,451 | $32.71 | $701.66K | 17 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 6,049 | $32.10 | $194.17K | 17 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 4,503 | $32.71 | $147.29K | 17 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 28,821 | $32.10 | $925.15K | 17 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 2,705 | $33.38 | $90.29K | 16 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 12,888 | $33.38 | $430.20K | 16 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 15,384 | $32.84 | $505.21K | 16 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 73,296 | $32.84 | $2.41M | 16 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 9,470 | $31.69 | $300.10K | 16 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 45,117 | $31.69 | $1.43M | 16 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 1,804 | $30.15 | $54.39K | 16 Oct 2025 | 20 Oct 2025 |
| Booth Bruce | Sale | 8,596 | $30.15 | $259.17K | 16 Oct 2025 | 20 Oct 2025 |
| Cloonan MichaelPresident & CEO | Sale | 200 | $34.00 | $6.80K | 16 Oct 2025 | 17 Oct 2025 |
| Cloonan MichaelPresident & CEO | Sale | 10,225 | $31.46 | $321.69K | 16 Oct 2025 | 17 Oct 2025 |
| Bruce BoothDirector | Sale | 12,888 | $33.38 | $430.20K | 16 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 15,384 | $32.84 | $505.21K | 16 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 1,804 | $30.15 | $54.39K | 16 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 2,705 | $33.38 | $90.29K | 16 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 73,296 | $32.84 | $2.41M | 16 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 9,470 | $31.69 | $300.10K | 16 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 45,117 | $31.69 | $1.43M | 16 Oct 2025 | 20 Oct 2025 |
| Bruce BoothDirector | Sale | 8,596 | $30.15 | $259.17K | 16 Oct 2025 | 20 Oct 2025 |
| Michael CloonanPresident & CEO | Sale | 200 | $34.00 | $6.80K | 16 Oct 2025 | 17 Oct 2025 |
| Michael CloonanPresident & CEO | Sale | 10,225 | $31.46 | $321.69K | 16 Oct 2025 | 17 Oct 2025 |
| Cloonan MichaelPresident & CEO | Sale | 14,775 | $31.11 | $459.66K | 15 Oct 2025 | 17 Oct 2025 |
| Booth Bruce | Sale | 6,303 | $31.12 | $196.15K | 15 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 30,032 | $31.12 | $934.60K | 15 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 65,726 | $30.37 | $2.00M | 15 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 13,795 | $30.37 | $418.95K | 15 Oct 2025 | 15 Oct 2025 |
| Michael CloonanPresident & CEO | Sale | 14,775 | $31.11 | $459.66K | 15 Oct 2025 | 17 Oct 2025 |
| Bruce BoothDirector | Sale | 65,726 | $30.37 | $2.00M | 15 Oct 2025 | 15 Oct 2025 |
| Bruce BoothDirector | Sale | 6,303 | $31.12 | $196.15K | 15 Oct 2025 | 15 Oct 2025 |
| Bruce BoothDirector | Sale | 30,032 | $31.12 | $934.60K | 15 Oct 2025 | 15 Oct 2025 |
| Bruce BoothDirector | Sale | 13,795 | $30.37 | $418.95K | 15 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 501 | $29.95 | $15.00K | 14 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 105 | $29.95 | $3.14K | 14 Oct 2025 | 15 Oct 2025 |
| Bruce BoothDirector | Sale | 105 | $29.95 | $3.14K | 14 Oct 2025 | 15 Oct 2025 |
| Bruce BoothDirector | Sale | 501 | $29.95 | $15.00K | 14 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 44,048 | $30.32 | $1.34M | 13 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 857 | $31.03 | $26.59K | 13 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 4,082 | $31.03 | $126.66K | 13 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 9,245 | $30.32 | $280.31K | 13 Oct 2025 | 15 Oct 2025 |
| Bruce BoothDirector | Sale | 857 | $31.03 | $26.59K | 13 Oct 2025 | 15 Oct 2025 |
| Bruce BoothDirector | Sale | 4,082 | $31.03 | $126.66K | 13 Oct 2025 | 15 Oct 2025 |
| Bruce BoothDirector | Sale | 9,245 | $30.32 | $280.31K | 13 Oct 2025 | 15 Oct 2025 |
| Bruce BoothDirector | Sale | 44,048 | $30.32 | $1.34M | 13 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 3,511 | $29.98 | $105.26K | 10 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 16,727 | $29.98 | $501.48K | 10 Oct 2025 | 15 Oct 2025 |
| Bruce BoothDirector | Sale | 3,511 | $29.98 | $105.26K | 10 Oct 2025 | 15 Oct 2025 |
| Bruce BoothDirector | Sale | 16,727 | $29.98 | $501.48K | 10 Oct 2025 | 15 Oct 2025 |
| Booth Bruce | Sale | 2,047 | $29.95 | $61.31K | 06 Oct 2025 | 07 Oct 2025 |
| Booth Bruce | Sale | 9,753 | $29.95 | $292.10K | 06 Oct 2025 | 07 Oct 2025 |
Frequently Asked Questions
What is SION stock price today?
SIONNA THERAPEUTICS INC (SION) is currently trading at $40.49. The stock has a 52-week range of $7.66 to $44.48 and a market capitalization of $1.82B.
Is SION a good stock to buy in 2026?
SIONNA THERAPEUTICS INC has a P/E ratio of N/A (forward P/E: N/A), a dividend yield of none, and 1-year performance of +248.8%. 2 hedge funds hold this stock. Review the fundamentals and ownership data above to make an informed decision.
Are insiders buying or selling SION stock?
There have been 168 insider transactions for SION in recent months. Insider buys can signal management confidence, while sales may reflect diversification or personal financial planning. Check the Insider Trading section above for details.
How has SION stock performed over the past year?
SIONNA THERAPEUTICS INC (SION) has returned +248.8% over the past 12 months. The stock traded between $7.66 and $44.48 during this period, and is currently at $40.49.
Which hedge funds own SION (SIONNA THERAPEUTICS INC)?
2 tracked hedge funds currently hold SION in their portfolios as of the latest 13F filings. See the ownership table above for the complete list.
What is SION's market cap and valuation?
SIONNA THERAPEUTICS INC (SION) has a market capitalization of $1.82B. The trailing P/E ratio is N/A and forward P/E is N/A. The stock is classified in the Healthcare sector.
What is SION's revenue and profitability?
SIONNA THERAPEUTICS INC reported revenue of N/A with net income of N/A and a profit margin of N/A. The stock has a beta of N/A.
What sector is SION in and who are its biggest institutional holders?
SIONNA THERAPEUTICS INC (SION) operates in the Healthcare sector. It is held by 2 tracked hedge funds. See the ownership table above for the complete list.