Seaport Therapeutics Inc (SPTX)

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Seaport Therapeutics Inc Stock (SPTX) Price History

The historical daily chart and data for Seaport Therapeutics Inc stock (SPTX), show that the latest closing stock price as of May 22, 2026, is $17.50.

Seaport Therapeutics Inc all-time high stock price is $19.17, occurred on May 04, 2026.
The lowest Seaport Therapeutics Inc stock price recorded was $14.85 on May 07, 2026. Since then, Seaport Therapeutics Inc's stock price has risen over 17.85% to $17.50 now.
The 52-week high stock price for SPTX is $19.17, representing a 9.54% increase from the current share price, occurred on May 04, 2026.
The 52-week low stock price for SPTX is $14.85, indicating a -15.14% decrease from the current share price, occurred on May 07, 2026.

The table below shows more information about SPTX historical price data:

Daily

Weekly

Monthly

30D

60D

YTD

Date	High	Low	High - Low	Volume	% Change
May 22, 2026	$17.69	$16.53	$1.16	214,579.0	+1.80%
May 21, 2026	$17.52	$15.67	$1.85	209,516.0	+8.94%
May 20, 2026	$16.76	$15.52	$1.24	266,057.0	+0.77%
May 19, 2026	$16.25	$15.01	$1.24	158,911.0	-0.51%
May 18, 2026	$16.85	$15.00	$1.85	421,784.0	-6.34%
May 15, 2026	$17.23	$16.18	$1.04	611,624.0	-0.80%
May 14, 2026	$17.36	$16.10	$1.25	380,275.0	+2.67%
May 13, 2026	$16.70	$15.57	$1.13	431,692.0	+3.45%
May 12, 2026	$16.05	$15.30	$0.75	155,042.0	+4.59%
May 11, 2026	$16.44	$14.94	$1.51	399,583.0	-4.98%
May 08, 2026	$16.24	$15.44	$0.805	303,929.0	+3.55%
May 07, 2026	$16.08	$14.85	$1.23	429,722.0	-3.12%
May 06, 2026	$16.46	$15.35	$1.11	498,554.0	+0.00%
May 05, 2026	$17.86	$15.21	$2.65	892,133.0	-5.88%

Seaport Therapeutics Inc Stock (SPTX) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Seaport Therapeutics Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of SPTX shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Seaport Therapeutics Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.