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Detailed Insider History for:
SIONNA THERAPEUTICS INC: SION
Price: 10/31/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$38.21 $43.20 $7.26 $1,687 44 287 0.0% 12.8% 97.11% 7.01%
Exch Sector Industry Sub-Industry
NasdaqGM Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
1w
1
100%
-3%
61
RA CAPITAL MANAGEMENT L P
DIR,BO
S
$14,762,604
373,610
10/24/25
10/28/25
$39.50
$39.58
209,391
-64.1
I
---
10/28/25 - 9:05:46 pm
2
1m
3
0%
17%
2
CLOONAN MICHAEL
PR,CEO,DIR
OS
$3,618,560
99,800
---
10/21/25
$34.44
$37.31
547,343
-15.4
D
10b
10/22/25 - 5:39:46 pm
3
    
 
CLOONAN MICHAEL
PR,CEO,DIR
OE
$609,778
99,800
---
10/21/25
---
$6.11
580,875
20.7
D
10b
10/22/25 - 5:39:46 pm
4
1m
1
0%
34%
7
BOOTH BRUCE
DIR
AS
$3,041,683
88,878
---
10/21/25
$32.69
$36.42
686,567
-11.5
I
10b
10/21/25 - 5:12:03 pm
5
1m
1
0%
34%
7
BOOTH BRUCE
DIR
AS
$9,251,102
286,369
10/16/25
10/20/25
$30.15
$32.33
701,985
-29.0
I
10b
10/20/25 - 9:39:54 pm
6
1m
3
0%
17%
2
CLOONAN MICHAEL
PR,CEO,DIR
OS
$788,153
25,200
10/15/25
10/16/25
$31.11
$34.00
547,343
-4.4
D
10b
10/17/25 - 5:11:22 pm
7
    
 
CLOONAN MICHAEL
PR,CEO,DIR
OE
$153,972
25,200
10/15/25
10/16/25
---
$6.11
562,118
4.7
D
10b
10/17/25 - 5:11:22 pm
8
1m
1
0%
34%
7
BOOTH BRUCE
DIR
AS
$5,939,784
194,932
10/10/25
10/15/25
$29.95
$31.12
751,664
-20.6
I
10b
10/15/25 - 6:33:26 pm
9
1m
1
0%
34%
7
BOOTH BRUCE
DIR
AS
$1,485,790
49,546
10/3/25
10/6/25
---
$29.95
785,480
-5.9
I
10b
10/7/25 - 5:00:30 pm
10
    
 
BEER CAROLINE STARK
O
3
---
---
---
10/1/25
---
---
---
---
---
---
10/3/25 - 4:11:31 pm
11
1m
1
0%
34%
7
BOOTH BRUCE
DIR
AS
$2,367,473
78,693
9/29/25
10/1/25
---
$29.95
794,075
-9.0
I
10b
10/1/25 - 6:04:42 pm
12
1m
3
0%
17%
2
CLOONAN MICHAEL
PR,CEO,DIR
OS
$727,798
25,000
9/26/25
9/29/25
$28.85
$29.70
547,343
-4.4
D
10b
9/30/25 - 4:09:18 pm
13
    
 
CLOONAN MICHAEL
PR,CEO,DIR
OE
$152,750
25,000
9/26/25
9/29/25
---
$6.11
564,550
4.6
D
10b
9/30/25 - 4:09:18 pm
14
    
 
FITZPATRICK JENNIFER
LO
AS
$236,980
10,250
---
9/4/25
---
$23.12
---
All
D
10b
9/5/25 - 4:03:55 pm
15
    
 
FITZPATRICK JENNIFER
LO
OE
$62,628
10,250
---
9/4/25
---
$6.11
10,250
New
D
10b
9/5/25 - 4:03:55 pm
16
1m
3
0%
15%
4
RIDLOFF ELENA
CFO
AS
$240,442
9,584
8/29/25
9/2/25
---
$25.08
38,532
-19.9
D
10b
9/3/25 - 5:16:21 pm
17
1m
3
0%
15%
4
RIDLOFF ELENA
CFO
AS
$601,858
23,416
8/26/25
8/28/25
$25.10
$25.97
48,116
-32.7
D
10b
8/28/25 - 5:40:44 pm
18
1m
3
0%
17%
2
CLOONAN MICHAEL
PR,CEO,DIR
OS
$624,361
25,000
8/26/25
8/27/25
$24.96
$25.01
547,343
-4.4
D
10b
8/28/25 - 5:40:58 pm
19
    
 
CLOONAN MICHAEL
PR,CEO,DIR
OE
$152,750
25,000
8/26/25
8/27/25
---
$6.11
564,917
4.6
D
10b
8/28/25 - 5:40:58 pm
20
1m
3
0%
17%
2
CLOONAN MICHAEL
PR,CEO,DIR
OS
$568,750
25,000
---
8/20/25
---
$22.75
547,343
-4.4
D
10b
8/21/25 - 4:05:09 pm
21
    
 
CLOONAN MICHAEL
PR,CEO,DIR
OE
$152,750
25,000
---
8/20/25
---
$6.11
572,343
4.6
D
10b
8/21/25 - 4:05:09 pm
22
1m
3
0%
15%
4
RIDLOFF ELENA
CFO
AS
$1,124,335
52,000
8/19/25
8/20/25
$21.08
$22.69
71,532
-42.1
D
10b
8/21/25 - 4:04:52 pm
23
6m
1
100%
6%
11
TPG GP A LLC
BO
B
$950,400
60,000
---
6/27/25
---
$15.84
6,744,962
0.9
I
---
7/1/25 - 5:03:20 pm
24
    
 
FITZPATRICK JENNIFER
LO
3
---
---
---
4/1/25
---
---
---
---
---
---
4/1/25 - 4:05:16 pm
25
6m
1
100%
6%
11
TPG GP A LLC
BO
JB*
$20,250,000
1,125,000
---
2/10/25
---
$18.00
6,684,962
20.2
I
---
2/12/25 - 5:21:33 pm
26
    
 
TPG GP A LLC
BO
JB
---
4,875,547
---
2/10/25
---
---
5,559,962
712.4
I
---
2/12/25 - 5:21:33 pm
27
6m
1
0%
-10%
61
RA CAPITAL MANAGEMENT L P
DIR,BO
JB*
$20,250,000
1,125,000
---
2/10/25
---
$18.00
6,923,365
19.4
I
---
2/10/25 - 5:04:15 pm
28
    
 
RA CAPITAL MANAGEMENT L P
DIR,BO
JB
---
7,951,493
---
2/10/25
---
---
5,900,779
---
I
---
2/10/25 - 5:04:15 pm
29
6m
1
0%
-10%
88
ORBIMED ADVISORS LLC
DIR
JB*
$9,900,000
550,000
---
2/10/25
---
$18.00
3,704,959
17.4
I
---
2/10/25 - 4:28:39 pm
30
    
 
ORBIMED ADVISORS LLC
DIR
JB
---
3,154,959
---
2/10/25
---
---
3,154,959
New
I
---
2/10/25 - 4:28:39 pm
31
6m
1
0%
-10%
14
THOMPSON PETER A
DIR
JB*
$9,900,000
550,000
---
2/10/25
---
$18.00
3,704,959
17.4
I
---
2/10/25 - 4:05:06 pm
32
    
 
THOMPSON PETER A
DIR
JB
---
3,154,959
---
2/10/25
---
---
3,154,959
New
I
---
2/10/25 - 4:05:06 pm
33
6m
1
0%
-10%
7
BOOTH BRUCE
DIR
JB*
$1,080,000
60,000
---
2/10/25
---
$18.00
807,727
8.0
I
---
2/10/25 - 4:05:05 pm
34
    
 
BOOTH BRUCE
DIR
JB
---
3,634,020
---
2/10/25
---
---
2,886,293
---
I
---
2/10/25 - 4:05:05 pm
35
6m
1
0%
-10%
7
ATLAS VENTURE FUND XI L P
BO
JB*
$1,080,000
60,000
---
2/10/25
---
$18.00
807,727
8.0
I
---
2/10/25 - 4:05:04 pm
36
    
 
ATLAS VENTURE FUND XI L P
BO
JB
---
2,886,293
---
2/10/25
---
---
2,886,293
New
D
---
2/10/25 - 4:05:04 pm
37
    
 
ATLAS VENTURE FUND XI L P
BO
JB
---
747,727
---
2/10/25
---
---
747,727
New
I
---
2/10/25 - 4:05:04 pm
38
    
 
TPG GP A LLC
BO
3
---
---
---
2/6/25
---
---
684,415
---
I
---
2/6/25 - 9:36:14 pm
39
    
 
STELZER LAURIE
DIR
3
---
---
---
2/6/25
---
---
---
---
---
---
2/6/25 - 9:22:52 pm
40
    
 
ORBIMED ADVISORS LLC
DIR
3
---
---
---
2/6/25
---
---
---
---
---
---
2/6/25 - 9:18:19 pm
41
    
 
MCKEE CHARLOTTE
O
3
---
---
---
2/6/25
---
---
28,415
---
D
---
2/6/25 - 9:18:05 pm
42
    
 
IANCOVICI LUCIAN
DIR
3
---
---
---
2/6/25
---
---
---
---
---
---
2/6/25 - 9:15:33 pm
43
    
 
RUDDY MARCELLA K
DIR
3
---
---
---
2/6/25
---
---
---
---
---
---
2/6/25 - 9:15:21 pm
44
    
 
ATLAS VENTURE FUND XI L P
BO
3
---
---
---
2/6/25
---
---
---
---
---
---
2/6/25 - 9:12:38 pm
45
    
 
CLOONAN MICHAEL
PR,CEO,DIR
3
---
---
---
2/6/25
---
---
547,343
---
D
---
2/6/25 - 9:09:47 pm
46
    
 
RA CAPITAL MANAGEMENT L P
DIR,BO
3
---
---
---
2/6/25
---
---
878,789
---
I
---
2/6/25 - 9:07:31 pm
47
    
 
RA CAPITAL MANAGEMENT L P
DIR,BO
3
---
---
---
2/6/25
---
---
147,833
---
I
---
2/6/25 - 9:07:31 pm
48
    
 
RA CAPITAL MANAGEMENT L P
DIR,BO
3
---
---
---
2/6/25
---
---
342,207
---
I
---
2/6/25 - 9:07:31 pm
49
    
 
THOMPSON PETER A
DIR
3
---
---
---
2/6/25
---
---
---
---
---
---
2/6/25 - 9:06:24 pm
50
    
 
VINEY JOANNE L
DIR
3
---
---
---
2/6/25
---
---
---
---
---
---
2/6/25 - 9:05:42 pm
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