Daily trading records
Seaport Therapeutics Stock Price on September 23, 2026
Direct answer
Seaport Therapeutics closed at $21.29 on September 23, 2026.
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Review Seaport Therapeutics's price trend and period performance.
The chart connects verified session closes from June 29, 2026 through September 23, 2026.
Period performance is calculated from verified trading sessions.
5-session performance
-3.84%
From the September 16, 2026 close of $22.14 to $21.29 on September 23, 2026.
20-session performance
-14.26%
From the August 25, 2026 close of $24.83 to $21.29 on September 23, 2026.
60-session performance
-5.46%
From the June 29, 2026 close of $22.52 to $21.29 on September 23, 2026.
Verified data
- Open
- $22.12
- High
- $23.07
- Low
- $21.03
- Close
- $21.29
- Volume
- 179,280
- Prior-close change
- -$1.10 (-4.91%)
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Read the frequently asked questions.
What was Seaport Therapeutics's closing price on September 23, 2026?
Seaport Therapeutics closed at $21.29 on September 23, 2026.
What were Seaport Therapeutics's open, high and low on September 23, 2026?
The open was $22.12, the high was $23.07 and the low was $21.03.
How much did Seaport Therapeutics change from the prior close on September 23, 2026?
The change from the prior close was -$1.10 (-4.91%).
What was Seaport Therapeutics's volume on September 23, 2026?
Trading volume was 179,280 shares.
What is the source for Seaport Therapeutics's daily prices?
Daily aggregate prices are provided by Polygon.