SION | SIONNA THERAPEUTICS INC

CUSIP: 829401108

0 Funds Holding
0 Total Shares
$0 Total Value
$38.03
Price
$1.7B
Market Cap
P/E Ratio
-17.8
Forward P/E
$-1.80
EPS (TTM)
Dividend Yield
$248M
Cash
$10M
Total Debt
45M
Shares Out
$7.25
$45.00
52-Week Range

Institutional Ownership of SIONNA THERAPEUTICS INC

Fund / Manager Click to search
Shares Value % of Portfolio Cost Basis Est. Return
No funds currently hold this stock.

Trading Activity for SIONNA THERAPEUTICS INC

Fund / Manager Click to search
Action Change Shares After Value Price
2025-Q3
BUY +84.1% 31.3K $919298 $21.19
2025-Q2
BUY +8.2% 3.2M $55M $12.90
BUY NEW 17.0K $294516 $12.90
2025-Q1
BUY NEW 3.0M $31M $15.65

Insider Trading for SIONNA THERAPEUTICS INC

6 Months Insider Sentiment
100%
Buy $0 Sell $62.8M
0 Buys
122 Sells
-62.8M Net
0 Grants
Largest
$4.8M L.P.
$4.3M L.P.
$4.2M LLC
Date
Insider Click to search
Role Click to search
Type Shares Price Value
Dec 24, 2025 Peter A. Thompson Director SELL 33.4K $44.55 $1.5M
Dec 24, 2025 ORBIMED ADVISORS LLC Director SELL 33.4K $44.55 $1.5M
Dec 19, 2025 ORBIMED ADVISORS LLC Director SELL 875 $44.49 $39K
Dec 19, 2025 Peter A. Thompson Director SELL 875 $44.49 $39K
Dec 18, 2025 Peter A. Thompson Director SELL 100 $44.49 $4K
Dec 18, 2025 ORBIMED ADVISORS LLC Director SELL 100 $44.49 $4K
Dec 17, 2025 ORBIMED ADVISORS LLC Director SELL 900 $44.50 $40K
Dec 17, 2025 Peter A. Thompson Director SELL 900 $44.50 $40K
Dec 05, 2025 Jennifer Fitzpatrick Chief Legal Officer EXERCISE 10.2K $6.11 $63K
Dec 05, 2025 Jennifer Fitzpatrick Chief Legal Officer SELL 10.2K $40.52 $415K
Nov 26, 2025 ORBIMED ADVISORS LLC Director SELL 1.6K $44.49 $71K
Nov 26, 2025 Peter A. Thompson Director SELL 1.6K $44.49 $71K
Nov 25, 2025 Peter A. Thompson Director SELL 11.9K $44.60 $530K
Nov 25, 2025 ORBIMED ADVISORS LLC Director SELL 11.9K $44.60 $530K
Nov 24, 2025 ORBIMED ADVISORS LLC Director SELL 94.6K $44.54 $4.2M
Nov 24, 2025 Peter A. Thompson Director SELL 94.6K $44.54 $4.2M
Nov 21, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 9.9K $39.50 $392K
Nov 21, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 7.6K $39.50 $301K
Nov 21, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 6.4K $39.50 $254K
Nov 21, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 1.2K $39.50 $48K
Nov 20, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 604 $40.50 $24K
Nov 20, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 1.2K $39.89 $49K
Nov 20, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 947 $39.89 $38K
Nov 20, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 801 $39.89 $32K
Nov 20, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 788 $40.50 $32K
Nov 20, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 96 $40.50 $4K
Nov 20, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 150 $39.89 $6K
Nov 20, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 512 $40.50 $21K
Nov 19, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 14.3K $40.01 $573K
Nov 19, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 12.1K $40.01 $485K
Nov 19, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 2.3K $40.01 $91K
Nov 19, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 8 $40.61 $325
Nov 19, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 9 $40.61 $365
Nov 19, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 12 $40.61 $487
Nov 19, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 18.7K $40.01 $748K
Nov 19, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 2 $40.61 $81
Nov 18, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 1.8K $39.57 $70K
Nov 18, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 2.7K $39.57 $108K
Nov 18, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 332 $39.57 $13K
Nov 18, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 2.1K $39.57 $83K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 53 $42.10 $2K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 17.9K $40.20 $720K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 14.0K $41.05 $573K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 13.7K $40.20 $552K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 11.6K $40.20 $467K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 10.7K $41.05 $440K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 9.1K $41.05 $372K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 2.2K $40.20 $88K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 1.7K $41.05 $70K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 433 $42.10 $18K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 331 $42.10 $14K
Nov 17, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 280 $42.10 $12K
Oct 28, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 31.4K $39.58 $1.2M
Oct 28, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 17.1K $39.58 $678K
Oct 28, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 10.5K $39.58 $415K
Oct 28, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 3.6K $39.58 $143K
Oct 24, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 14.1K $39.50 $558K
Oct 24, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 107.9K $39.50 $4.3M
Oct 24, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 66.7K $39.50 $2.6M
Oct 24, 2025 RA CAPITAL MANAGEMENT, L.P. Director, 10% Owner SELL 122.3K $39.50 $4.8M
Oct 21, 2025 Michael Cloonan President & CEO EXERCISE 22.9K $6.11 $140K
Oct 21, 2025 Michael Cloonan President & CEO EXERCISE 30.0K $6.11 $184K
Oct 21, 2025 Michael Cloonan President & CEO EXERCISE 33.5K $6.11 $205K
Oct 21, 2025 Michael Cloonan President & CEO SELL 13.3K $34.44 $459K
Oct 21, 2025 Michael Cloonan President & CEO SELL 22.9K $36.60 $838K
Oct 21, 2025 Michael Cloonan President & CEO SELL 30.0K $35.63 $1.1M
Oct 21, 2025 Michael Cloonan President & CEO SELL 33.5K $37.31 $1.3M
Oct 21, 2025 Bruce Booth Director SELL 5.8K $34.91 $201K
Oct 21, 2025 Bruce Booth Director SELL 5.3K $35.69 $190K
Oct 21, 2025 Bruce Booth Director SELL 1.2K $34.91 $42K
Oct 21, 2025 Bruce Booth Director SELL 83 $36.42 $3K
Oct 21, 2025 Bruce Booth Director SELL 4.2K $33.87 $142K
Oct 21, 2025 Bruce Booth Director SELL 4.7K $32.69 $153K
Oct 21, 2025 Bruce Booth Director SELL 17 $36.42 $619
Oct 21, 2025 Bruce Booth Director SELL 25.3K $35.69 $904K
Oct 21, 2025 Bruce Booth Director SELL 22.3K $32.69 $730K
Oct 21, 2025 Bruce Booth Director SELL 19.9K $33.87 $676K
Oct 21, 2025 Michael Cloonan President & CEO EXERCISE 13.3K $6.11 $81K
Oct 20, 2025 Bruce Booth Director SELL 25.8K $32.33 $834K
Oct 20, 2025 Bruce Booth Director SELL 5.4K $32.33 $175K
Oct 20, 2025 Bruce Booth Director SELL 4.3K $31.79 $137K
Oct 20, 2025 Bruce Booth Director SELL 20.5K $31.79 $651K
Oct 17, 2025 Bruce Booth Director SELL 4.5K $32.71 $147K
Oct 17, 2025 Bruce Booth Director SELL 6.0K $32.10 $194K
Oct 17, 2025 Bruce Booth Director SELL 21.5K $32.71 $702K
Oct 17, 2025 Bruce Booth Director SELL 28.8K $32.10 $925K
Oct 17, 2025 Bruce Booth Director SELL 52 $33.47 $2K
Oct 17, 2025 Bruce Booth Director SELL 248 $33.47 $8K
Oct 16, 2025 Michael Cloonan President & CEO SELL 10.2K $31.46 $322K
Oct 16, 2025 Bruce Booth Director SELL 1.8K $30.15 $54K
Oct 16, 2025 Bruce Booth Director SELL 2.7K $33.38 $90K
Oct 16, 2025 Bruce Booth Director SELL 8.6K $30.15 $259K
Oct 16, 2025 Bruce Booth Director SELL 9.5K $31.69 $300K
Oct 16, 2025 Bruce Booth Director SELL 12.9K $33.38 $430K
Oct 16, 2025 Bruce Booth Director SELL 15.4K $32.84 $505K
Oct 16, 2025 Bruce Booth Director SELL 45.1K $31.69 $1.4M
Oct 16, 2025 Bruce Booth Director SELL 73.3K $32.84 $2.4M
Oct 16, 2025 Michael Cloonan President & CEO EXERCISE 200 $6.11 $1K
Oct 16, 2025 Michael Cloonan President & CEO EXERCISE 10.2K $6.11 $62K
Oct 16, 2025 Michael Cloonan President & CEO SELL 200 $34.00 $7K
Oct 15, 2025 Bruce Booth Director SELL 65.7K $30.37 $2.0M
Oct 15, 2025 Bruce Booth Director SELL 30.0K $31.12 $935K
Oct 15, 2025 Michael Cloonan President & CEO SELL 14.8K $31.11 $460K
Oct 15, 2025 Michael Cloonan President & CEO EXERCISE 14.8K $6.11 $90K
Oct 15, 2025 Bruce Booth Director SELL 6.3K $31.12 $196K
Oct 15, 2025 Bruce Booth Director SELL 13.8K $30.37 $419K
Oct 14, 2025 Bruce Booth Director SELL 105 $29.95 $3K
Oct 14, 2025 Bruce Booth Director SELL 501 $29.95 $15K
Oct 13, 2025 Bruce Booth Director SELL 9.2K $30.32 $280K
Oct 13, 2025 Bruce Booth Director SELL 44.0K $30.32 $1.3M
Oct 13, 2025 Bruce Booth Director SELL 857 $31.03 $27K
Oct 13, 2025 Bruce Booth Director SELL 4.1K $31.03 $127K
Oct 10, 2025 Bruce Booth Director SELL 16.7K $29.98 $501K
Oct 10, 2025 Bruce Booth Director SELL 3.5K $29.98 $105K
Oct 06, 2025 Bruce Booth Director SELL 2.0K $29.95 $61K
Oct 06, 2025 Bruce Booth Director SELL 9.8K $29.95 $292K
Oct 03, 2025 Bruce Booth Director SELL 6.5K $30.00 $196K
Oct 03, 2025 Bruce Booth Director SELL 31.2K $30.00 $936K
Oct 01, 2025 Bruce Booth Director SELL 165 $29.95 $5K
Oct 01, 2025 Bruce Booth Director SELL 35 $29.95 $1K
Sep 30, 2025 Bruce Booth Director SELL 10.2K $30.06 $308K
Sep 30, 2025 Bruce Booth Director SELL 2.1K $30.06 $65K
Sep 29, 2025 Bruce Booth Director SELL 54.6K $30.09 $1.6M
Sep 29, 2025 Michael Cloonan President & CEO SELL 7.8K $29.70 $231K
Sep 29, 2025 Michael Cloonan President & CEO EXERCISE 7.8K $6.11 $48K
Sep 29, 2025 Bruce Booth Director SELL 11.5K $30.09 $345K
Sep 26, 2025 Michael Cloonan President & CEO SELL 17.2K $28.85 $496K
Sep 26, 2025 Michael Cloonan President & CEO EXERCISE 17.2K $6.11 $105K
Sep 04, 2025 Jennifer Fitzpatrick Chief Legal Officer SELL 10.2K $23.12 $237K
Sep 04, 2025 Jennifer Fitzpatrick Chief Legal Officer EXERCISE 10.2K $6.11 $63K
Sep 02, 2025 Elena Ridloff CFO & Head of Corp. Dev. SELL 8.8K $25.08 $222K
Aug 29, 2025 Elena Ridloff CFO & Head of Corp. Dev. SELL 748 $25.18 $19K
Aug 28, 2025 Elena Ridloff CFO & Head of Corp. Dev. SELL 16.1K $25.97 $418K