Bruce Booth - Director at Sionna Therapeutics, Inc.

Insider Transactions and Holdings

Entity Type
Individual
Role
Director
Stock Symbol
SION on Nasdaq
Industry
Pharmaceutical Preparations
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Bruce Booth - trading volume in the past year for Sionna Therapeutics, Inc.

Holdings reported by Bruce Booth for Sionna Therapeutics, Inc.

Security Num Shares Value Price $ Transaction Date Ownership Underlying Class Underlying Amount
Common Stock 2.31M $84.1M $36.42 Oct 21, 2025 By Atlas Venture Fund XI, L.P.
Common Stock 687K $25M $36.42 Oct 21, 2025 By Atlas Venture Opportunity Fund II, L.P.
Non-Qualified Stock Option (right to buy) 20K Jun 12, 2025 Direct Common Stock
Series A convertible preferred stock 0 Feb 10, 2025 By Atlas Venture Fund XI, L.P. Common Stock
Series B convertible preferred stock 0 Feb 10, 2025 By Atlas Venture Fund XI, L.P. Common Stock
Series C convertible preferred stock 0 Feb 10, 2025 By Atlas Venture Fund XI, L.P. Common Stock
Series C convertible preferred stock 0 Feb 10, 2025 By Atlas Venture Opportunity Fund II, L.P. Common Stock
Series Seed convertible preferred stock 0 Feb 10, 2025 By Atlas Venture Fund XI, L.P. Common Stock

Transactions reported by Bruce Booth for Sionna Therapeutics, Inc.

Sym Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.