Seaport Therapeutics Files S-1MEF for Security Registration
Ticker: SPTX · Form: S-1MEF · Filed: Apr 30, 2026 · CIK: 0002042347
| Field | Detail |
|---|---|
| Company | Seaport Therapeutics, Inc. (SPTX) |
| Form Type | S-1MEF |
| Filed Date | Apr 30, 2026 |
| Risk Level | medium |
| Sentiment | neutral |
Sentiment: neutral
Topics: registration-statement, securities-offering, pharmaceuticals
TL;DR
Seaport Therapeutics (SEAP) filed an S-1MEF on 4/30/26 to add more shares to their registration. Watch for potential dilution or new offerings.
AI Summary
Seaport Therapeutics, Inc. filed an S-1MEF on April 30, 2026, to register additional securities under a prior Form S-1 registration. The company, located at 6 Tide Street, Boston, MA, is in the pharmaceutical preparations industry.
Why It Matters
This filing indicates Seaport Therapeutics is taking steps to add to its previously registered securities, which could be a precursor to further fundraising or stock offerings.
Risk Assessment
Risk Level: medium — As an S-1MEF filing, it relates to the registration of securities, which can introduce dilution or signal future market activity, carrying inherent risks.
Key Numbers
- S-1MEF — Form Type (Indicates registration of additional securities under a prior S-1)
- 0001193125-26-198107 — Accession Number (Unique identifier for the SEC filing)
Key Players & Entities
- Seaport Therapeutics, Inc. (company) — Filer of the S-1MEF
- 0002042347 (company) — CIK number for Seaport Therapeutics, Inc.
- 2026-04-30 (date) — Filing and Acceptance Date of the S-1MEF
- 6 TIDE STREET SUITE 400 BOSTON MA 02110 (location) — Mailing and Business Address for Seaport Therapeutics, Inc.
FAQ
What is the purpose of an S-1MEF filing?
An S-1MEF filing is used to register additional securities of the same class as previously registered securities under a registration statement on Form S-1, pursuant to Rule 462(b).
When was the S-1MEF filed by Seaport Therapeutics, Inc.?
The S-1MEF was filed and accepted on April 30, 2026.
What is the business address of Seaport Therapeutics, Inc.?
The business address is 6 Tide Street, Suite 400, Boston, MA 02110.
What is the CIK number for Seaport Therapeutics, Inc.?
The CIK number for Seaport Therapeutics, Inc. is 0002042347.
What industry does Seaport Therapeutics, Inc. operate in?
Seaport Therapeutics, Inc. operates in the Pharmaceutical Preparations industry (SIC code 2834).
Filing Details
This Form S-1MEF (Form S-1MEF) was filed with the SEC on April 30, 2026 regarding Seaport Therapeutics, Inc. (SPTX).