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 selling

Individual transactions

40
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
Show all 82 transactions →

What was left out

Form 4 filings counted 45
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 15
Sales on a Rule 10b5-1 plan 40
Sales straight out of an exercise 3
Sales at will 39
Transactions with no price 0
Shares from compensation/vesting 499,602
History held since 10 Feb 2025