Seaport Therapeutics, Inc. (SPTX) Stock Chart
SPTX price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
SPTX performance vs the market
Total return, dividends reinvestedSPTX monthly returns
SPTX historical prices
SPTX dividends & splits
About the SPTX chart
Seaport Therapeutics (SPTX) closed at $17.83 on October 16, 2026.
This page charts the full trading history of Seaport Therapeutics, Inc. stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the SPTX stock overview.
SPTX chart FAQ
What is Seaport Therapeutics's all-time high stock price?
The highest closing price for SPTX was $27.84 on August 26, 2026 (adjusted for stock splits). As of the October 16, 2026 close it traded 36.0% below that level.
What is the 52-week range of SPTX stock?
Over the 52 weeks to October 16, 2026, SPTX traded between an intraday low of $14.85 on May 7, 2026 and an intraday high of $28.38 on August 27, 2026.
Does Seaport Therapeutics pay a dividend?
Seaport Therapeutics has not paid a dividend in the past 12 months.
How do I read the SPTX chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots SPTX against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.