Daily trading records
Seaport Therapeutics Stock Price on September 15, 2026
Direct answer
Seaport Therapeutics closed at $22.96 on September 15, 2026.
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Review Seaport Therapeutics's price trend and period performance.
The chart connects verified session closes from June 18, 2026 through September 15, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
-4.57%
From the September 8, 2026 close of $24.06 to $22.96 on September 15, 2026.
20-session performance
-5.90%
From the August 17, 2026 close of $24.40 to $22.96 on September 15, 2026.
60-session performance
+26.36%
From the June 18, 2026 close of $18.17 to $22.96 on September 15, 2026.
Verified data
- Open
- $24.56
- High
- $24.95
- Low
- $22.63
- Close
- $22.96
- Volume
- 158,970
- Prior-close change
- -$1.74 (-7.04%)
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Read the frequently asked questions.
What was Seaport Therapeutics's closing price on September 15, 2026?
Seaport Therapeutics closed at $22.96 on September 15, 2026.
What were Seaport Therapeutics's open, high and low on September 15, 2026?
The open was $24.56, the high was $24.95 and the low was $22.63.
How much did Seaport Therapeutics change from the prior close on September 15, 2026?
The change from the prior close was -$1.74 (-7.04%).
What was Seaport Therapeutics's volume on September 15, 2026?
Trading volume was 158,970 shares.
What is the source for Seaport Therapeutics's daily prices?
Daily aggregate prices are provided by Polygon.