Pulmatrix, INC Schedule 13D activist filings

Filed when an investor crosses five percent and intends to influence the company — the activist disclosure.

NASDAQ

22 Apr 2026

PULM

SCHEDULE: Pulmatrix Secures $1M Investment for Eos Merger

RCM Eos PIPE HOLDINGS, LLC has acquired $1 million in Series B Preferred Stock to provide interim financing for the pending merger with Eos SENOLYTIX, Inc.