Trailhead Biosystems Inc. Form D/A amendment

What is a Form D filing?

A Form D is the notice a private company files with the U.S. Securities and Exchange Commission when raising capital through an offering exempt under Regulation D (Rule 506(b), 506(c), or 504). It discloses the offering but is not a solicitation, an endorsement, or a statement of investment merit. FormDFlow surfaces public-disclosure data from SEC EDGAR. Nothing here is investment advice.

Public filing directories

Browse directories that group public SEC Form D records by the same filing tags shown on this page. FormDFlow surfaces public-disclosure data from SEC EDGAR. Nothing here is investment advice.

Filing snapshot

Trailhead Biosystems Inc. (based in OH) filed an SEC Form D/A amendment on July 30, 2026, disclosing a $40.4M offering of securities under Rule 506(b) of Regulation D. The issuer selected Biotechnology as its Form D industry group. FormDFlow has tagged the issuer's sector as Biotech. This page reflects the public filing as recorded in SEC EDGAR; see the source document for the complete disclosure.

FormDFlow surfaces public-disclosure data from SEC EDGAR. Nothing here is investment advice.

Filing history

Trailhead Biosystems Inc. has filed 2 Form D filings with disclosed offering amounts totaling $81.0M that FormDFlow has indexed.

• July 30, 2026Reg D 506(b)$40.6M

Source

FormDFlow surfaces public-disclosure data from SEC EDGAR. Nothing here is investment advice.