InsiderClue
Stocks · Health care · Pharmaceutical Preparations

Sionna Therapeutics, Inc.

SION Clue Score29
United States Fiscal year ends December CIK 0002036042 Results filed 6 Aug 2026
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What the insiders did Net buying

Individual transactions

97
Insider
Date
Role
Action
Shares
Price
Amount
Orbimed Advisors LLC
7 Jul 2026
Director
Sold on a plan indirect
85,918
$44.86
$3.85M
Peter A. Thompson
7 Jul 2026
Director
Sold on a plan indirect
85,918
$44.86
$3.85M
Orbimed Advisors LLC
30 Jun 2026
Director
Sold on a plan indirect
115,844
$45.50
$5.27M
Peter A. Thompson
30 Jun 2026
Director
Sold on a plan indirect
115,844
$45.50
$5.27M
Orbimed Advisors LLC
27 May 2026
Director
Sold on a plan indirect
101
$44.49
$4.49K
Peter A. Thompson
27 May 2026
Director
Sold on a plan indirect
101
$44.49
$4.49K
Orbimed Advisors LLC
11 May 2026
Director
Sold on a plan indirect
184,639
$46.22
$8.53M
Peter A. Thompson
11 May 2026
Director
Sold on a plan indirect
184,639
$46.22
$8.53M
Orbimed Advisors LLC
8 May 2026
Director
Sold on a plan indirect
59,767
$44.58
$2.66M
Peter A. Thompson
8 May 2026
Director
Sold on a plan indirect
59,767
$44.58
$2.66M
Orbimed Advisors LLC
7 May 2026
Director
Sold on a plan indirect
48,546
$44.61
$2.17M
Peter A. Thompson
7 May 2026
Director
Sold on a plan indirect
48,546
$44.61
$2.17M
Orbimed Advisors LLC
18 Apr 2026
Director
Sold on a plan indirect
2,948
$44.52
$131.24K
Peter A. Thompson
18 Apr 2026
Director
Sold on a plan indirect
2,948
$44.52
$131.24K
Orbimed Advisors LLC
17 Apr 2026
Director
Sold on a plan indirect
52,397
$44.68
$2.34M
Peter A. Thompson
17 Apr 2026
Director
Sold on a plan indirect
52,397
$44.68
$2.34M
Orbimed Advisors LLC
16 Apr 2026
Director
Sold on a plan indirect
226,906
$45.34
$10.29M
Peter A. Thompson
16 Apr 2026
Director
Sold on a plan indirect
226,906
$45.34
$10.29M
Orbimed Advisors LLC
15 Apr 2026
Director
Sold on a plan indirect
235,863
$44.64
$10.53M
Peter A. Thompson
15 Apr 2026
Director
Sold on a plan indirect
235,863
$44.64
$10.53M
Orbimed Advisors LLC
14 Apr 2026
Director
Sold on a plan indirect
47,814
$44.51
$2.13M
Peter A. Thompson
14 Apr 2026
Director
Sold on a plan indirect
47,814
$44.51
$2.13M
Orbimed Advisors LLC
3 Feb 2026
Director
Sold on a plan indirect
29,063
$44.58
$1.30M
Peter A. Thompson
3 Feb 2026
Director
Sold on a plan indirect
29,063
$44.58
$1.30M
Orbimed Advisors LLC
2 Feb 2026
Director
Sold on a plan indirect
1,890
$44.57
$84.24K
Peter A. Thompson
2 Feb 2026
Director
Sold on a plan indirect
1,890
$44.57
$84.24K
Peter A. Thompson
24 Dec 2025
Director
Sold on a plan indirect
33,356
$44.55
$1.49M
Orbimed Advisors LLC
24 Dec 2025
Director
Sold on a plan indirect
33,356
$44.55
$1.49M
Peter A. Thompson
19 Dec 2025
Director
Sold on a plan indirect
875
$44.49
$38.93K
Orbimed Advisors LLC
19 Dec 2025
Director
Sold on a plan indirect
875
$44.49
$38.93K
Peter A. Thompson
18 Dec 2025
Director
Sold on a plan indirect
100
$44.49
$4.45K
Orbimed Advisors LLC
18 Dec 2025
Director
Sold on a plan indirect
100
$44.49
$4.45K
Peter A. Thompson
17 Dec 2025
Director
Sold on a plan indirect
900
$44.50
$40.05K
Orbimed Advisors LLC
17 Dec 2025
Director
Sold on a plan indirect
900
$44.50
$40.05K
Peter A. Thompson
26 Nov 2025
Director
Sold on a plan indirect
1,600
$44.49
$71.18K
Orbimed Advisors LLC
26 Nov 2025
Director
Sold on a plan indirect
1,600
$44.49
$71.18K
Peter A. Thompson
25 Nov 2025
Director
Sold on a plan indirect
11,890
$44.60
$530.29K
Orbimed Advisors LLC
25 Nov 2025
Director
Sold on a plan indirect
11,890
$44.60
$530.29K
Peter A. Thompson
24 Nov 2025
Director
Sold on a plan indirect
94,583
$44.54
$4.21M
Orbimed Advisors LLC
24 Nov 2025
Director
Sold on a plan indirect
94,583
$44.54
$4.21M
Bruce Booth
21 Oct 2025
Director
Sold on a plan indirect
17
$36.42
$619.14
Bruce Booth
21 Oct 2025
Director
Sold on a plan indirect
83
$36.42
$3.02K
Bruce Booth
21 Oct 2025
Director
Sold on a plan indirect
5,316
$35.69
$189.73K
Bruce Booth
21 Oct 2025
Director
Sold on a plan indirect
25,327
$35.69
$903.92K
Bruce Booth
21 Oct 2025
Director
Sold on a plan indirect
1,210
$34.91
$42.24K
Bruce Booth
21 Oct 2025
Director
Sold on a plan indirect
5,763
$34.91
$201.19K
Bruce Booth
21 Oct 2025
Director
Sold on a plan indirect
4,187
$33.87
$141.81K
Bruce Booth
21 Oct 2025
Director
Sold on a plan indirect
19,948
$33.87
$675.64K
Bruce Booth
21 Oct 2025
Director
Sold on a plan indirect
4,688
$32.69
$153.25K
Bruce Booth
21 Oct 2025
Director
Sold on a plan indirect
22,339
$32.69
$730.26K
Bruce Booth
20 Oct 2025
Director
Sold on a plan indirect
5,412
$32.33
$174.97K
Bruce Booth
20 Oct 2025
Director
Sold on a plan indirect
25,788
$32.33
$833.73K
Bruce Booth
20 Oct 2025
Director
Sold on a plan indirect
4,300
$31.79
$136.70K
Bruce Booth
20 Oct 2025
Director
Sold on a plan indirect
20,485
$31.79
$651.22K
Bruce Booth
17 Oct 2025
Director
Sold on a plan indirect
52
$33.47
$1.74K
Bruce Booth
17 Oct 2025
Director
Sold on a plan indirect
248
$33.47
$8.30K
Bruce Booth
17 Oct 2025
Director
Sold on a plan indirect
4,503
$32.71
$147.29K
Bruce Booth
17 Oct 2025
Director
Sold on a plan indirect
21,451
$32.71
$701.66K
Bruce Booth
17 Oct 2025
Director
Sold on a plan indirect
6,049
$32.10
$194.17K
Bruce Booth
17 Oct 2025
Director
Sold on a plan indirect
28,821
$32.10
$925.15K
Bruce Booth
16 Oct 2025
Director
Sold on a plan indirect
2,705
$33.38
$90.29K
Bruce Booth
16 Oct 2025
Director
Sold on a plan indirect
12,888
$33.38
$430.20K
Bruce Booth
16 Oct 2025
Director
Sold on a plan indirect
15,384
$32.84
$505.21K
Bruce Booth
16 Oct 2025
Director
Sold on a plan indirect
73,296
$32.84
$2.41M
Bruce Booth
16 Oct 2025
Director
Sold on a plan indirect
9,470
$31.69
$300.10K
Bruce Booth
16 Oct 2025
Director
Sold on a plan indirect
45,117
$31.69
$1.43M
Bruce Booth
16 Oct 2025
Director
Sold on a plan indirect
1,804
$30.15
$54.39K
Bruce Booth
16 Oct 2025
Director
Sold on a plan indirect
8,596
$30.15
$259.17K
Bruce Booth
15 Oct 2025
Director
Sold on a plan indirect
6,303
$31.12
$196.15K
Bruce Booth
15 Oct 2025
Director
Sold on a plan indirect
30,032
$31.12
$934.60K
Bruce Booth
15 Oct 2025
Director
Sold on a plan indirect
13,795
$30.37
$418.95K
Bruce Booth
15 Oct 2025
Director
Sold on a plan indirect
65,726
$30.37
$2.00M
Bruce Booth
14 Oct 2025
Director
Sold on a plan indirect
105
$29.95
$3.14K
Bruce Booth
14 Oct 2025
Director
Sold on a plan indirect
501
$29.95
$15.00K
Bruce Booth
13 Oct 2025
Director
Sold on a plan indirect
857
$31.03
$26.59K
Bruce Booth
13 Oct 2025
Director
Sold on a plan indirect
4,082
$31.03
$126.66K
Bruce Booth
13 Oct 2025
Director
Sold on a plan indirect
9,245
$30.32
$280.31K
Bruce Booth
13 Oct 2025
Director
Sold on a plan indirect
44,048
$30.32
$1.34M
Bruce Booth
10 Oct 2025
Director
Sold on a plan indirect
3,511
$29.98
$105.26K
Bruce Booth
10 Oct 2025
Director
Sold on a plan indirect
16,727
$29.98
$501.48K
Bruce Booth
6 Oct 2025
Director
Sold on a plan indirect
2,047
$29.95
$61.31K
Bruce Booth
6 Oct 2025
Director
Sold on a plan indirect
9,753
$29.95
$292.10K
Bruce Booth
3 Oct 2025
Director
Sold on a plan indirect
6,548
$30.00
$196.44K
Bruce Booth
3 Oct 2025
Director
Sold on a plan indirect
31,198
$30.00
$935.94K
Bruce Booth
1 Oct 2025
Director
Sold on a plan indirect
35
$29.95
$1.05K
Bruce Booth
1 Oct 2025
Director
Sold on a plan indirect
165
$29.95
$4.94K
Bruce Booth
30 Sep 2025
Director
Sold on a plan indirect
2,149
$30.06
$64.60K
Bruce Booth
30 Sep 2025
Director
Sold on a plan indirect
10,239
$30.06
$307.78K
Bruce Booth
29 Sep 2025
Director
Sold on a plan indirect
11,468
$30.09
$345.07K
Bruce Booth
29 Sep 2025
Director
Sold on a plan indirect
54,637
$30.09
$1.64M
Elena Ridloff
2 Sep 2025
CFO & Head of Corp. Dev.
Sold on a plan
8,836
$25.08
$221.61K
Elena Ridloff
29 Aug 2025
CFO & Head of Corp. Dev.
Sold on a plan
748
$25.18
$18.83K
Elena Ridloff
28 Aug 2025
CFO & Head of Corp. Dev.
Sold on a plan
16,098
$25.97
$418.07K
Elena Ridloff
27 Aug 2025
CFO & Head of Corp. Dev.
Sold on a plan
3,618
$25.10
$90.81K
Elena Ridloff
26 Aug 2025
CFO & Head of Corp. Dev.
Sold on a plan
3,700
$25.13
$92.98K
Elena Ridloff
20 Aug 2025
CFO & Head of Corp. Dev.
Sold on a plan
17,500
$22.69
$397.08K
Elena Ridloff
19 Aug 2025
CFO & Head of Corp. Dev.
Sold on a plan
34,500
$21.08
$727.26K
Show all 168 transactions →

What was left out

Form 4 filings counted 82
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 22
Sales on a Rule 10b5-1 plan 97
Sales straight out of an exercise 16
Sales at will 47
Transactions with no price 0
Shares from compensation/vesting 27,114,850
History held since 10 Feb 2025