$SPTX
Seaport Therapeutics, Inc. Common Stock
XNAS•Health Care•Pharmaceutical Preparations
$20.96
▲Pre-market+0.00%+$0.000Pre-market
Seaport Therapeutics, Inc. Common Stock
XNAS•Health Care•Pharmaceutical Preparations
Why is SPTX up today? It is at $20.96 (+0.00%), and our scanner flagged it 74 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment SPTX spikes, and full due diligence on SPTX — key stats, earnings, dilution and insider activity. Free.
Our scanner flagged $SPTX 74 times in the last 30 days. Create a free account to track $SPTX, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.
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Here is the latest on SPTX from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for SPTX today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Likely catalystSeaport Therapeutics, Inc.: Q3 FY2026 results, three months to Sep 30, 2026, from an SEC filing. Read it →Latest filing4Insider trade (Form 4)Nov 4, 2026 · todayAcross every filing on file, supply equal to 34% of the tradeable float is in play - 34% more can still be issued.
At-the-market (ATM) offering active — the company can keep selling new shares into the market over time (ongoing)
2,124,000 new shares · At-the-market (ATM) program — sells new shares into the market gradually over time · About $700.0M in size · Priced at $18/share
Sources: float & market cap via Polygon · short interest via FINRA · borrow & shortability via Alpaca · SSR from Reg SHO 201 · filings & dilution via SEC EDGAR · analysts via Nasdaq.
Auto-generated from public data for research and education. Not investment advice.
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Hombach Robert J. Director | Bought (open market) | +13K 0.02% of company | n/a | 13K | $236K at $18.14 | Jun 22, 26 |
Loebel Antony Officer | Acquired (grant/award) | +20K 0.04% of company | n/a | 20K | n/a | May 4, 26 |
Arch Venture Partners Xii, Llc Beneficial Owner (10%) | Acquired (grant/award) | +5.19M 9.7% of company | n/a | 5.19M | n/a | May 4, 26 |
Arch Venture Partners Xii, Llc Beneficial Owner (10%) | Bought (open market) | +1.10M 2.1% of company | added 21% | 6.29M | $19.8M at $18.00 | May 4, 26 |
Paul Steven M Director | Acquired (grant/award) | +67K 0.1% of company | added 8.4% | 863K | n/a | May 4, 26 |
Torres Denice Director | Acquired (grant/award) | +13K 0.03% of company | n/a | 13K | n/a | May 4, 26 |
Chen Michael Cunyuan Officer | Acquired (grant/award) | +3K | n/a | 3K | n/a | May 4, 26 |
Gladstein Lana Officer | Acquired (grant/award) | +34K 0.06% of company | n/a | 34K | n/a | May 4, 26 |
White Lauren Officer | Acquired (grant/award) | +7K 0.01% of company | n/a | 7K | n/a | May 4, 26 |
Healy James Director | Acquired (grant/award) | +2.73M 5.1% of company | n/a | 2.73M | n/a | May 4, 26 |
Puretech Health Plc Beneficial Owner (10%) | Acquired (grant/award) | +16.38M 30.6% of company | added 100% | 16.69M | n/a | May 4, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
Blend of news sentiment, today’s move, and community votes. Not investment advice.
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
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Here is the latest on SPTX from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for SPTX today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
SPTX last traded at $20.96, up 0.00% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
The SPTX Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged SPTX 74 times in the last 30 days.
SPTX (Seaport Therapeutics, Inc. Common Stock) trades on XNAS, with a market cap of about $1.12B in the Pharmaceutical Preparations sector.
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge SPTX for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.
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