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Seaport Therapeutics (SPTX) Stock Chart & Stock Price History

$17.89 +0.39 (+2.23%)
As of 12:54 PM Eastern

Seaport Therapeutics Stock Price Performance

The Seaport Therapeutics (SPTX) stock chart highlights key performance trends across multiple timeframes.

As of the latest close, Seaport Therapeutics traded at $17.50 with a market cap of $927.99 million and volume of 214,579 shares.

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5 Day
Performance
+4.07%

SPTX Stock Chart for Tuesday, May, 26, 2026

Seaport Therapeutics Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
05/25/2026$17.50$17.50$17.69$16.53214,579 shs$927.99 million
05/22/2026$17.19$17.50
+1.80%
$17.69$16.53214,579 shs$927.99 million
05/21/2026$15.78$17.19
+8.94%
$17.52$15.67209,798 shs$911.55 million
05/20/2026$15.66$15.78
+0.77%
$16.76$15.52266,057 shs$836.78 million
05/19/2026$15.74$15.66
-0.51%
$16.25$15.01158,911 shs$830.42 million
05/18/2026$16.81$15.74
-6.37%
$16.85$15.00421,785 shs$834.66 million
05/15/2026$16.94$16.81
-0.77%
$17.23$16.19611,625 shs$891.40 million
05/14/2026$16.50$16.94
+2.67%
$17.36$16.10380,276 shs$898.29 million
05/13/2026$15.95$16.50
+3.45%
$16.70$15.57431,693 shs$874.96 million
05/12/2026$15.25$15.95
+4.59%
$16.05$15.30155,042 shs$0.00
05/11/2026$16.05$15.25
-4.98%
$16.44$14.94399,483 shs$0.00
05/08/2026$15.50$16.05
+3.55%
$16.24$15.44304,102 shs$0.00
05/07/2026$16.00$15.50
-3.13%
$16.08$14.85429,723 shs$0.00
05/06/2026$16.00$16.00$16.46$15.35498,624 shs$0.00
05/05/2026N/A$16.00$17.86$15.21892,234 shs$0.00
04/30/2026N/A$19.84$19.50N/A4.70 million shs$0.00

This page (NASDAQ:SPTX) was last updated on 5/26/2026 by MarketBeat.com Staff.
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