Sermonix Pharmaceuticals, Inc.

13D and 13G Filings

Issuer	Symbol	CUSIP	% of Class	Shares	Form	Filed
LeonaBio, Inc. 13D/A Amendment 1 LONA · 04746L203	LONA	04746L203	25.1%	3,149,470	13D/A Amendment 1	10/28/2026 Event 10/26/2026
Sermonix Pharmaceuticals, Inc.			25.1%	3,149,470
Portman David J.			25.1%	3,149,470
LeonaBio, Inc. 13D LONA · 04746L203	LONA	04746L203	36.9%	5,502,402	13D	8/31/2026 Event 8/24/2026
Sermonix Pharmaceuticals, Inc.			36.9%	5,502,402
Portman David J.			36.9%	5,502,402

Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.