Stocks · Health care · Pharmaceutical Preparations

Sionna Therapeutics, Inc.

SION Clue Score29
United States Fiscal year ends December CIK 0002036042 Results filed 6 Aug 2026

What the insiders did Net buying

Insider
Date
Role
Action
Shares
Price
Amount
Ra Capital Management, L.p.
17 Sep 2026
Director
Sell indirect
33,800
$7.46
$252.15K
Ra Capital Management, L.p.
17 Sep 2026
Director
Sell indirect
3,415,011
$6.32
$21.58M
Tpg Gp A, LLC
22 Jan 2026
10% owner
Sell indirect
250,000
$40.00
$10.00M
Ra Capital Management, L.p.
21 Nov 2025
Director
Sell indirect
7,609
$39.50
$300.56K
Ra Capital Management, L.p.
21 Nov 2025
Director
Sell indirect
6,440
$39.50
$254.38K
Ra Capital Management, L.p.
21 Nov 2025
Director
Sell indirect
9,924
$39.50
$392.00K
Ra Capital Management, L.p.
21 Nov 2025
Director
Sell indirect
1,210
$39.50
$47.80K
Ra Capital Management, L.p.
20 Nov 2025
Director
Sell indirect
604
$40.50
$24.46K
Ra Capital Management, L.p.
20 Nov 2025
Director
Sell indirect
512
$40.50
$20.74K
Ra Capital Management, L.p.
20 Nov 2025
Director
Sell indirect
788
$40.50
$31.91K
Ra Capital Management, L.p.
20 Nov 2025
Director
Sell indirect
96
$40.50
$3.89K
Ra Capital Management, L.p.
20 Nov 2025
Director
Sell indirect
947
$39.89
$37.78K
Ra Capital Management, L.p.
20 Nov 2025
Director
Sell indirect
801
$39.89
$31.95K
Ra Capital Management, L.p.
20 Nov 2025
Director
Sell indirect
1,235
$39.89
$49.26K
Ra Capital Management, L.p.
20 Nov 2025
Director
Sell indirect
150
$39.89
$5.98K
Ra Capital Management, L.p.
19 Nov 2025
Director
Sell indirect
9
$40.61
$365.49
Ra Capital Management, L.p.
19 Nov 2025
Director
Sell indirect
8
$40.61
$324.88
Ra Capital Management, L.p.
19 Nov 2025
Director
Sell indirect
12
$40.61
$487.32
Ra Capital Management, L.p.
19 Nov 2025
Director
Sell indirect
2
$40.61
$81.22
Ra Capital Management, L.p.
19 Nov 2025
Director
Sell indirect
14,325
$40.01
$573.14K
Ra Capital Management, L.p.
19 Nov 2025
Director
Sell indirect
12,126
$40.01
$485.16K
Ra Capital Management, L.p.
19 Nov 2025
Director
Sell indirect
18,684
$40.01
$747.55K
Ra Capital Management, L.p.
19 Nov 2025
Director
Sell indirect
2,276
$40.01
$91.06K
Ra Capital Management, L.p.
18 Nov 2025
Director
Sell indirect
2,092
$39.57
$82.78K
Ra Capital Management, L.p.
18 Nov 2025
Director
Sell indirect
1,770
$39.57
$70.04K
Ra Capital Management, L.p.
18 Nov 2025
Director
Sell indirect
2,728
$39.57
$107.95K
Ra Capital Management, L.p.
18 Nov 2025
Director
Sell indirect
332
$39.57
$13.14K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
331
$42.10
$13.94K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
280
$42.10
$11.79K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
433
$42.10
$18.23K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
53
$42.10
$2.23K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
10,707
$41.05
$439.52K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
9,063
$41.05
$372.04K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
13,964
$41.05
$573.22K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
1,701
$41.05
$69.83K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
13,734
$40.20
$552.11K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
11,626
$40.20
$467.37K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
17,913
$40.20
$720.10K
Ra Capital Management, L.p.
17 Nov 2025
Director
Sell indirect
2,182
$40.20
$87.72K
Ra Capital Management, L.p.
28 Oct 2025
Director
Sell indirect
10,476
$39.58
$414.64K
Ra Capital Management, L.p.
28 Oct 2025
Director
Sell indirect
17,118
$39.58
$677.53K
Ra Capital Management, L.p.
28 Oct 2025
Director
Sell indirect
31,392
$39.58
$1.24M
Ra Capital Management, L.p.
28 Oct 2025
Director
Sell indirect
3,624
$39.58
$143.44K
Ra Capital Management, L.p.
24 Oct 2025
Director
Sell indirect
107,941
$39.50
$4.26M
Ra Capital Management, L.p.
24 Oct 2025
Director
Sell indirect
66,672
$39.50
$2.63M
Ra Capital Management, L.p.
24 Oct 2025
Director
Sell indirect
122,271
$39.50
$4.83M
Ra Capital Management, L.p.
24 Oct 2025
Director
Sell indirect
14,116
$39.50
$557.58K

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