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
Add to watchlist

What the insiders did Net buying

Individual transactions

8
Insider
Date
Role
Action
Shares
Price
Amount
Tpg Gp A, LLC
27 Jun 2025
10% owner
Buy indirect
60,000
$15.84
$950.40K
Atlas Venture Fund XI, L.P.
10 Feb 2025
10% owner
Buy indirect
60,000
$18.00
$1.08M
Bruce Booth
10 Feb 2025
Director
Buy indirect
60,000
$18.00
$1.08M
Peter A. Thompson
10 Feb 2025
Director
Buy indirect
550,000
$18.00
$9.90M
Orbimed Advisors LLC
10 Feb 2025
Director
Buy indirect
550,000
$18.00
$9.90M
Ra Capital Management, L.p.
10 Feb 2025
Director
Buy indirect
102,414
$18.00
$1.84M
Ra Capital Management, L.p.
10 Feb 2025
Director
Buy indirect
1,022,586
$18.00
$18.41M
Tpg Gp A, LLC
10 Feb 2025
10% owner
Buy indirect
1,125,000
$18.00
$20.25M
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