17.60
price up icon5.52%   0.92
after-market After Hours: 17.60
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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 October 15, 2026, is $17.60.
  • Seaport Therapeutics Inc all-time high stock price is $28.38, occurred on August 27, 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 18.52% to $17.60 now.
  • The 52-week high stock price for SPTX is $28.38, representing a 61.27% increase from the current share price, occurred on August 27, 2026.
  • The 52-week low stock price for SPTX is $14.85, indicating a -15.63% decrease from the current share price, occurred on May 07, 2026.
The table below shows more information about SPTX historical price data:
Date High Low High - Low Volume % Change
Oct 15, 2026 $17.89 $16.61 $1.28 164,901.0 +5.52%
Oct 14, 2026 $16.97 $15.79 $1.18 208,623.0 +3.73%
Oct 13, 2026 $17.62 $16.03 $1.59 227,203.0 -6.24%
Oct 12, 2026 $18.14 $17.04 $1.10 126,006.0 -5.51%
Oct 09, 2026 $18.79 $17.89 $0.90 171,207.0 +1.34%
Oct 08, 2026 $18.46 $17.67 $0.7906 177,595.0 -0.11%
Oct 07, 2026 $18.29 $17.07 $1.22 249,081.0 +3.22%
Oct 06, 2026 $19.05 $17.18 $1.87 243,005.0 -6.11%
Oct 05, 2026 $18.90 $17.52 $1.38 172,571.0 +0.43%
Oct 02, 2026 $19.16 $17.85 $1.31 258,703.0 -2.80%
Oct 01, 2026 $20.71 $18.37 $2.34 330,192.0 -6.05%
Sep 30, 2026 $20.75 $18.45 $2.30 488,678.0 +7.92%
Sep 29, 2026 $19.80 $18.57 $1.23 277,565.0 -4.84%
Sep 28, 2026 $21.98 $19.21 $2.77 284,478.0 -8.74%
Sep 25, 2026 $22.44 $21.45 $0.99 192,796.0 +1.89%
Sep 24, 2026 $21.37 $19.93 $1.44 105,736.0 -0.80%
Sep 23, 2026 $23.07 $21.03 $2.04 179,280.0 -4.91%
Sep 22, 2026 $22.66 $21.20 $1.46 146,461.0 +6.01%
Sep 21, 2026 $21.93 $20.28 $1.65 234,265.0 -1.26%
Sep 18, 2026 $23.10 $21.29 $1.82 2,177,340.0 -1.97%
Sep 17, 2026 $23.14 $21.10 $2.04 205,594.0 -1.45%
Sep 16, 2026 $24.61 $21.98 $2.63 235,897.0 -3.57%
Sep 15, 2026 $24.95 $22.63 $2.32 158,925.0 -7.04%

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.

Seaport Therapeutics Inc Stock (SPTX) Price History 2026

Month High Low High - Low Volume % Change
Oct, 2026 $20.71 $15.79 $4.93 2,329,087.0 -12.74%
Sep, 2026 $26.01 $18.45 $7.57 6,068,097.0 -14.82%
Aug, 2026 $28.38 $19.54 $8.84 2,587,334.0 +15.74%
Jul, 2026 $22.53 $17.89 $4.64 2,721,878.0 -5.80%
Jun, 2026 $22.98 $16.00 $6.98 4,994,972.0 +19.41%
May, 2026 $23.00 $14.85 $8.15 11,707,258.0 +0.00%
$9.89
price up icon 5.10%
$4.74
price down icon 0.42%
$14.76
price up icon 5.43%
$14.00
price up icon 2.64%
$16.01
price down icon 2.91%
$22.62
price up icon 4.19%
Cap:     |  Volume (24h):