SPTX

Seaport TherapeuticsNASDAQ · StockExchangeNASDAQ

$21.32−0.66 (−3.03%)US pre-market · opens in 4h 12m

At close

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Daily move−3.0%vs prev close $21.98

VolatilityVery highATR $1.23 · 5.8%

Gap %−2.5%Open vs prev close

52-week position48%of range $14.94–$28.16

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Why is SPTX moving?

AI summary · updated 04:05 ET

Seaport Therapeutics fell 3.03% as of the last close, while the market rose 1.32%. With no news or events in the input, the move is mostly company-specific, driven by a -4.34 specific component.

marketMarket rose 1.32%NoteNo news or events provided

Written by AI from 0 linked sources and refreshed as news lands. It can contain mistakes and is not investment advice.

Part of

Collections that include SPTX

ExchangeNASDAQ-listed+2.5% today

Investor holdings

Held by 2 of 50 tracked investors13F · Q2 2026 · filed by Aug 14

2opened a position

Citadel AdvisorsKen Griffin · Multi-strategy fund0.0%$4MNew position Millennium ManagementIsrael Englander · Multi-strategy fund0.0%$985KNew positionUS long positions only · filings lag the quarter end by up to 45 days · SEC EDGAR 13F · All tracked investors

Key stats

Stock

Open / Prev close: $21.44 / $21.98
Day range: $20.32 – $21.54
52-week range: $14.94 – $28.16
Volume: 18.6K
ATR (14): $1.23 · 5.8% · Very high
Gap %: −2.5%

SEC filings

All filings

Nov 4, 2026Insider trade reportedInsider trade · SEC EDGARForm 4 Nov 2, 2026Quarterly report filedQuarterly report · SEC EDGAR10-Q Nov 2, 2026Reported results of operationsMaterial event · SEC EDGAR8-K Aug 14, 2026Disclosed a passive stake of 5% or morePassive stake · SEC EDGAR13G Aug 5, 2026Disclosed a passive stake of 5% or morePassive stake · SEC EDGAR13G Aug 5, 2026Disclosed a passive stake of 5% or morePassive stake · SEC EDGAR13G

About Seaport Therapeutics

Seaport Therapeutics is listed on NASDAQ and belongs to the null industry in the null sector.

Exchange: NASDAQ

SPTX FAQ

Why is SPTX stock moving today?

Seaport Therapeutics fell 3.03% as of the last close, while the market rose 1.32%.

How volatile is SPTX?

SPTX’s average true range over 14 days is $1.23, 5.8% of its price. That puts it in our very high volatility class.

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