Company Description
SEAPORT THERAPEUTICS (NASDAQ: SPTX) is classified in the biotechnology industry within the Pharmaceutical Preparations sector and carries a market capitalization of $1.1B, ranking #2,864 among all listed U.S. companies by market cap.
This page collects what Stock Titan holds for SPTX, including price data, latest news, SEC filings, insider trading activity, financial highlights, upcoming events, and short interest trends.
Stock Performance
SEAPORT THERAPEUTICS (SPTX) stock last closed at $22.34. At a market capitalization of $1.1B, SPTX is classified as a small-cap stock with approximately 53.5M shares outstanding.
Latest News
SEAPORT THERAPEUTICS has 6 recent news articles, with the latest published 2 days ago. Of the recent coverage, 1 article coincided with positive price movement and 3 with negative movement. Key topics include earnings, clinical trial, conferences, IPO, offering. View all SPTX news →
SEC Filings
SEAPORT THERAPEUTICS has filed 5 recent SEC filings, including 2 Form SCHEDULE 13G, 1 Form 4, 1 Form 10-Q, 1 Form 8-K. The most recent filing was submitted on August 5, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all SPTX SEC filings →
Insider Radar
Insider buying activity at SEAPORT THERAPEUTICS over the past 90 days may reflect management confidence in the company's direction. Institutional investors and analysts often monitor insider purchases as a potential bullish indicator for the stock.
Financial Highlights
Upcoming Events
BUOY-1 topline readout
Topline data expected
SEAPORT THERAPEUTICS has 2 upcoming scheduled events. The next event, "BUOY-1 topline readout", is scheduled for January 1, 2027 (in 148 days). Investors can track these dates to stay informed about potential catalysts that may affect the SPTX stock price.
Short Interest History
Short interest in SEAPORT THERAPEUTICS (SPTX) currently stands at 2.0 million shares, down 28.8% from the previous reporting period, representing 6.9% of the float. Since May 2026, short interest has increased by 35.7%. With 12.3 days to cover, it would take significant time for short sellers to close their positions based on average trading volume.
Days to Cover History
Days to cover for SEAPORT THERAPEUTICS (SPTX) currently stands at 12.3 days, up 60.1% from the previous period. This elevated days-to-cover ratio indicates it would take over two weeks of average trading volume for short sellers to exit their positions, suggesting potential for a short squeeze if positive news emerges. The days to cover has increased 614% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 1.7 to 16.2 days.
SPTX Company Profile & Sector Positioning
SEAPORT THERAPEUTICS (SPTX) operates in the Biotechnology industry within the broader Pharmaceutical Preparations sector and is listed on the NASDAQ. In monthly performance, the stock ranks #834 among all tracked companies.