InsiderClue

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One row for every decision an insider filed. Open-market buying and selling only. Vesting, grants and the shares withheld to pay the tax on them are not decisions.

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Companies 1/25
SION
Result 72 decisions over 120 months
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Direction ?
Both72 Bought0 Sold72
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Most recent Largest amount Share of holding
Window ?
1 mo 12 mo 120 mo
Plan ?
Any Discretionary Scheduled (10b5-1) Not stated
Minimum amount ?
Any $100K $1M $10M $100M $500M
Share of their own holding ?
What the chief executive holds ?
Company: SION Plan: Scheduled (10b5-1)
Company
Date
Insider
Role
Action ?
Shares
Amount
Of holding
SION Sionna Therapeutics, Inc.
7 Jul 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
85,918
$3.85M
3.4%
SION Sionna Therapeutics, Inc.
7 Jul 2026
Thompson Peter A.
Director indirect
Sold on a plan
85,918
$3.85M
3.4%
SION Sionna Therapeutics, Inc.
6 Jul 2026
Fitzpatrick Jennifer
Chief Legal Officer
Sold on a plan
10,250
$446.86K
100%
SION Sionna Therapeutics, Inc.
30 Jun 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
115,844
$5.27M
4.3%
SION Sionna Therapeutics, Inc.
30 Jun 2026
Thompson Peter A.
Director indirect
Sold on a plan
115,844
$5.27M
4.3%
SION Sionna Therapeutics, Inc.
27 May 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
101
$4.49K
0.0%
SION Sionna Therapeutics, Inc.
27 May 2026
Thompson Peter A.
Director indirect
Sold on a plan
101
$4.49K
0.0%
SION Sionna Therapeutics, Inc.
11 May 2026
Thompson Peter A.
Director indirect
Sold on a plan
184,639
$8.53M
6.5%
SION Sionna Therapeutics, Inc.
11 May 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
184,639
$8.53M
6.5%
SION Sionna Therapeutics, Inc.
8 May 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
59,767
$2.66M
2.0%
SION Sionna Therapeutics, Inc.
8 May 2026
Thompson Peter A.
Director indirect
Sold on a plan
59,767
$2.66M
2.0%
SION Sionna Therapeutics, Inc.
7 May 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
48,546
$2.17M
1.6%
SION Sionna Therapeutics, Inc.
7 May 2026
Thompson Peter A.
Director indirect
Sold on a plan
48,546
$2.17M
1.6%
SION Sionna Therapeutics, Inc.
18 Apr 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
2,948
$131.24K
0.1%
SION Sionna Therapeutics, Inc.
18 Apr 2026
Thompson Peter A.
Director indirect
Sold on a plan
2,948
$131.24K
0.1%
SION Sionna Therapeutics, Inc.
17 Apr 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
52,397
$2.34M
1.7%
SION Sionna Therapeutics, Inc.
17 Apr 2026
Thompson Peter A.
Director indirect
Sold on a plan
52,397
$2.34M
1.7%
SION Sionna Therapeutics, Inc.
16 Apr 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
226,906
$10.29M
7.0%
SION Sionna Therapeutics, Inc.
16 Apr 2026
Thompson Peter A.
Director indirect
Sold on a plan
226,906
$10.29M
7.0%
SION Sionna Therapeutics, Inc.
15 Apr 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
235,863
$10.53M
6.8%
SION Sionna Therapeutics, Inc.
15 Apr 2026
Thompson Peter A.
Director indirect
Sold on a plan
235,863
$10.53M
6.8%
SION Sionna Therapeutics, Inc.
14 Apr 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
47,814
$2.13M
1.4%
SION Sionna Therapeutics, Inc.
14 Apr 2026
Thompson Peter A.
Director indirect
Sold on a plan
47,814
$2.13M
1.4%
SION Sionna Therapeutics, Inc.
5 Mar 2026
Fitzpatrick Jennifer
Chief Legal Officer
Sold on a plan
10,250
$347.02K
100%
SION Sionna Therapeutics, Inc.
3 Feb 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
29,063
$1.30M
0.8%
SION Sionna Therapeutics, Inc.
3 Feb 2026
Thompson Peter A.
Director indirect
Sold on a plan
29,063
$1.30M
0.8%
SION Sionna Therapeutics, Inc.
2 Feb 2026
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
1,890
$84.24K
0.1%
SION Sionna Therapeutics, Inc.
2 Feb 2026
Thompson Peter A.
Director indirect
Sold on a plan
1,890
$84.24K
0.1%
SION Sionna Therapeutics, Inc.
24 Dec 2025
Thompson Peter A.
Director indirect
Sold on a plan
33,356
$1.49M
0.9%
SION Sionna Therapeutics, Inc.
24 Dec 2025
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
33,356
$1.49M
0.9%
SION Sionna Therapeutics, Inc.
19 Dec 2025
Thompson Peter A.
Director indirect
Sold on a plan
875
$38.93K
0.0%
SION Sionna Therapeutics, Inc.
19 Dec 2025
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
875
$38.93K
0.0%
SION Sionna Therapeutics, Inc.
18 Dec 2025
Thompson Peter A.
Director indirect
Sold on a plan
100
$4.45K
0.0%
SION Sionna Therapeutics, Inc.
18 Dec 2025
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
100
$4.45K
0.0%
SION Sionna Therapeutics, Inc.
17 Dec 2025
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
900
$40.05K
0.0%
SION Sionna Therapeutics, Inc.
17 Dec 2025
Thompson Peter A.
Director indirect
Sold on a plan
900
$40.05K
0.0%
SION Sionna Therapeutics, Inc.
5 Dec 2025
Fitzpatrick Jennifer
Chief Legal Officer
Sold on a plan
10,250
$415.33K
100%
SION Sionna Therapeutics, Inc.
26 Nov 2025
Thompson Peter A.
Director indirect
Sold on a plan
1,600
$71.18K
0.0%
SION Sionna Therapeutics, Inc.
26 Nov 2025
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
1,600
$71.18K
0.0%
SION Sionna Therapeutics, Inc.
25 Nov 2025
Thompson Peter A.
Director indirect
Sold on a plan
11,890
$530.29K
0.3%
SION Sionna Therapeutics, Inc.
25 Nov 2025
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
11,890
$530.29K
0.3%
SION Sionna Therapeutics, Inc.
24 Nov 2025
Thompson Peter A.
Director indirect
Sold on a plan
94,583
$4.21M
2.6%
SION Sionna Therapeutics, Inc.
24 Nov 2025
ORBIMED ADVISORS LLC
Director indirect
Sold on a plan
94,583
$4.21M
2.6%
SION Sionna Therapeutics, Inc.
21 Oct 2025
Cloonan Michael
President & CEO
Sold on a plan 4×
99,800
$3.62M
15.4%
SION Sionna Therapeutics, Inc.
21 Oct 2025
Booth Bruce
Director indirect
Sold on a plan 10×
88,878
$3.04M
11.5%
SION Sionna Therapeutics, Inc.
20 Oct 2025
Booth Bruce
Director indirect
Sold on a plan 4×
55,985
$1.80M
7.4%
SION Sionna Therapeutics, Inc.
17 Oct 2025
Booth Bruce
Director indirect
Sold on a plan 6×
61,124
$1.98M
7.9%
SION Sionna Therapeutics, Inc.
16 Oct 2025
Booth Bruce
Director indirect
Sold on a plan 8×
169,260
$5.48M
19.0%
SION Sionna Therapeutics, Inc.
16 Oct 2025
Cloonan Michael
President & CEO
Sold on a plan 2×
10,425
$328.49K
1.9%
SION Sionna Therapeutics, Inc.
15 Oct 2025
Booth Bruce
Director indirect
Sold on a plan 4×
115,856
$3.55M
13.4%
Showing 1–50 of 72. Page 1 of 2 Older →