Whisper Aero sells $46.3M in equity without naming the round
The SEC filing landed weeks after Mark Moore and Ian Villa put the eQ250 through its first piloted tests in Tennessee.
By RuntimeWire Staff · Published
Primary source: U.S. Securities and Exchange Commission
Why it matters
Whisper Aero's largest SEC-disclosed equity sale gives Moore and Villa room to move from acoustic proof points into aircraft integration and production. The filing also shows why round labels require scrutiny: Whisper Aero's 2023 SEC total exceeded the Series A it announced.

Mark Moore and Ian Villa's Whisper Aero sold $46.3 million of equity to 16 investors, according to an SEC Form D filed on September 17th. The fully sold offering is the largest Whisper Aero has reported in a single SEC notice and puts new capital behind the founders' push to move quiet electric propulsion from demonstrations into crewed aircraft and customer platforms.…
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