Company · CIK 2042347

# Seaport Therapeutics, Inc.

| CIK | [2042347](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0002042347) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 2834 — Pharmaceutical Preparations |
| Incorporated in | DE |
| Business address | MA |
| Listed | SPTX (Nasdaq) |
| First annual or quarterly report | 2026-06-08 |

## Offerings

 1 registration

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-294976 | IPO Final prospectus | 2026-04-10 | 2026-05-01 | 4 |

## Filings

 5

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2026-05-01 | [424B4](https://www.sec.gov/Archives/edgar/data/2042347/000119312526201758/0001193125-26-201758-index.htm) Final prospectus | 333-294976 | 0001193125-26-201758 |
| 2026-04-30 | [EFFECT](https://www.sec.gov/Archives/edgar/data/2042347/999999999526001408/9999999995-26-001408-index.htm) Declared effective | 333-294976 | 9999999995-26-001408 |
| 2026-04-27 | [S-1/A](https://www.sec.gov/Archives/edgar/data/2042347/000119312526178716/0001193125-26-178716-index.htm) Amendment | 333-294976 | 0001193125-26-178716 |
| 2026-04-10 | [S-1](https://www.sec.gov/Archives/edgar/data/2042347/000119312526151211/0001193125-26-151211-index.htm) Registration filed | 333-294976 | 0001193125-26-151211 |
| 2025-11-21 | [DRS](https://www.sec.gov/Archives/edgar/data/2042347/000119312525290911/0001193125-25-290911-index.htm) Draft made public | 377-08713 | 0001193125-25-290911 |

[All filings of this company](https://equitycapital.markets/filings?cik=2042347) · [CSV](https://equitycapital.markets/filings.csv?cik=2042347)

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Source page: https://equitycapital.markets/company/2042347 · Data: U.S. SEC EDGAR · CC BY 4.0