SION- Sionna Therapeutics, Inc.

Name: Sionna Therapeutics, Inc. Insider Trading Data
Creator: U.S. Securities and Exchange Commission
License: https://www.sec.gov/privacy#accessibility

Sionna Therapeutics, Inc. (SION) has 16 insiders with recent SEC Form 4 filings, including 0 buys and 98 sells. SION is classified in the Biotechnology industry within the Health Care sector.

Insider Ownership

Role	Insider	Shares	Value	30d
10%	Tpg GP A, LLC	6.74M	$292.12M	-
Dir	Thompson Peter A.	2.96M	$128.40M	-565,928
Dir	Orbimed Advisors LLC	2.96M	$128.40M	-565,928
Dir	Booth Bruce	2.31M	$100.01M	-
10%	Ra Capital Management, L.P.	650.3K	$28.16M	-

Activity

Buys and sells only

Transactions

10 filings · page 2

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Nov 26, 2025	Thompson Peter A.65	Director	Sell	108,073	$44.55	$4,814,204.82	-1.0%	-14.8%	-
Nov 21, 2025	Ra Capital Management, L.P.52	Director, 10% Owner	Sell	30,316	$39.61	$1,200,703.87	-0.1%	-14.5%	-
Nov 19, 2025	Ra Capital Management, L.P.52	Director, 10% Owner	Sell	136,351	$40.34	$5,500,158.01	-0.2%	-1.0%	-
Oct 28, 2025	Ra Capital Management, L.P.52	Director, 10% Owner	Sell	373,610	$39.51	$14,762,603.80	-1.8%	+8.0%	-
Oct 21, 2025	Booth Bruce70	Director	Sell	88,878	$34.22	$3,041,683.18	-0.6%	-5.9%	-
Oct 21, 2025	Cloonan Michael	President &CEO	Sale+OE	99,800	$36.26	$3,618,560.35	-4.4%	-5.9%	-
Oct 20, 2025	Booth Bruce70	Director	Sell	286,369	$32.30	$9,251,102.06	-1.0%	+24.3%	-
Oct 16, 2025	Cloonan Michael	President &CEO	Sale+OE	25,200	$31.28	$788,152.84	-1.5%	+25.9%	-
Oct 15, 2025	Booth Bruce70	Director	Sell	194,932	$30.47	$5,939,783.84	-0.9%	+19.1%	-
Oct 6, 2025	Booth Bruce70	Director	Sell	49,546	$29.99	$1,485,790.00	-0.7%	+39.7%	-

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Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC