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 June 16, 2026, is $17.97.

Seaport Therapeutics Inc all-time high stock price is $19.30, occurred on May 28, 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 21.01% to $17.97 now.
The 52-week high stock price for SPTX is $19.30, representing a 7.40% increase from the current share price, occurred on May 28, 2026.
The 52-week low stock price for SPTX is $14.85, indicating a -17.36% 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
Jun 16, 2026	$18.19	$17.31	$0.88	199,065.0	+3.04%
Jun 15, 2026	$18.45	$17.35	$1.09	104,011.0	-3.11%
Jun 12, 2026	$18.50	$17.51	$0.99	99,621.0	+1.58%
Jun 11, 2026	$18.26	$16.15	$2.11	129,074.0	+3.50%
Jun 10, 2026	$18.78	$16.51	$2.27	156,156.0	-3.06%
Jun 09, 2026	$18.34	$16.00	$2.34	148,386.0	+9.01%
Jun 08, 2026	$17.11	$16.12	$0.99	109,683.0	-1.46%
Jun 05, 2026	$18.31	$16.35	$1.96	170,734.0	-8.05%
Jun 04, 2026	$18.27	$17.30	$0.975	122,210.0	+3.77%
Jun 03, 2026	$17.68	$16.59	$1.09	91,130.0	+0.12%
Jun 02, 2026	$17.65	$16.68	$0.965	87,644.0	+0.47%
Jun 01, 2026	$18.59	$17.01	$1.58	123,692.0	-5.83%
May 29, 2026	$18.68	$17.84	$0.8359	112,173.0	-3.24%
May 28, 2026	$19.30	$17.88	$1.42	316,703.0	+4.16%
May 27, 2026	$18.24	$17.80	$0.44	118,275.0	+0.22%
May 26, 2026	$18.25	$17.32	$0.93	180,948.0	+2.91%
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%

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.