Seaport Therapeutics

Last updated: May 4, 2026
Ticker
SPTX
Exchange
NYSE
IPO Date
Pending
Price Range
$16.00 - $18.00
Deal Size
$255 million
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Company Snapshot

Seaport Therapeutics is a biotechnology company focused on developing innovative therapies using its proprietary Glyph TM technology. The company aims to address unmet medical needs through advanced clinical and preclinical development of its product candidates. Their business model revolves around the commercialization of these therapies following successful regulatory approvals.

Founded
2024
Key Investors
PureTech (32.9%)

Per S-1 disclosure; % may not sum to 100% when ownership is nested, multi-class, or reported on different bases.

Key Financials

Metric20252024
RevenueNot providedNot provided
Adjusted Net Loss-$74.9M-$46.9M

Balance Sheet

Cash & Equivalents
$46.0M

Implied Valuation at Midpoint

Market Cap
$861M

Based on price range midpoint and most recent fiscal year data.

S-1 Highlights

Market & Competition

The company operates in the biotechnology sector, competing with established firms such as PureTech Health and other biotechnology companies involved in similar therapeutic areas. The industry is characterized by lengthy and costly clinical development processes.

Use of Proceeds

Proceeds from the IPO are expected to be utilized for advancing the company's clinical trials and supporting the commercialization of its product candidates.

Key Risk Factors

  • The company faces significant risks related to delays in obtaining regulatory approvals, which could hinder the timely launch of their product candidates.
  • Challenges in recruiting and retaining suitable clinical investigators may impact the progress of their clinical trials.

Deal Structure

Primary Shares
11,800,000 shares
Shares Outstanding
50,667,817 shares
Post-IPO Float
28.0%
Lock-up
No Lock-up Agreement
Lead Underwriters
Goldman Sachs, J.P. Morgan, Leerink Partners, Citigroup, Stifel

Reported Broker Availability

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