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Seaport Therapeutics, Inc. (SPTX)

Health Care · Clinical-stage biopharmaceutical development · NASDAQ

Seaport Therapeutics is a clinical-stage biopharmaceutical company advancing a pipeline of novel therapeutics using its proprietary drug development platform.

What Seaport Therapeutics, Inc. does

Seaport Therapeutics is a biopharmaceutical company focused on discovering and developing novel therapeutic candidates for serious disorders. The company leverages its platform technologies to identify and advance product candidates through preclinical studies and clinical trials, with a strategy to rapidly progress programs across target indications and expand its pipeline.

Themes: Drug discovery and development, Clinical trials, Therapeutic platform, Biopharmaceutical development, Clinical trial execution risk — successful completion and positive outcomes of current and future clinical trials are not guaranteed and may not demonstrate safety and efficacy of product candidates, Regulatory and manufacturing risk — ability to meet regulatory standards, obtain approvals, and manufacture product candidates at scale depends on third-party partners and evolving regulatory requirements, Financing and cash runway risk — company's ability to fund continued research, development, and clinical trials depends on securing additional capital and managing cash burn, Biopharmaceutical drug discovery and development

Fundamentals

  • Price$27.84 as of 2026-08-26 close
  • Market cap$1.5B as of 2026-08-26
  • P/En/a earnings data not available
  • ROE-24.2% as of 2026-08-26
  • Debt / equity0.00 as of 2026-08-26
  • Beta0.21 as of 2026-08-26
  • Last reported earnings2026-08-03 SEC EDGAR Form 8-K (Item 2.02)

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How SPTX compares in its sector

  • return on equitymiddle range 576 covered Health Care peers, as of 2026-08-26

Position among covered Health Care companies that report each metric (minimum 5 peers). A relative position within our covered catalog — not a valuation, quality, or investment judgment. A higher percentile is simply a higher value (for P/E, more expensive on earnings — never "better"). Informational only.

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How Seaport Therapeutics, Inc. looks technically

Seaport Therapeutics, Inc. (SPTX): a strong uptrend is in place — ADX, a 0–100 trend-strength gauge, is 35, with buyers in control. Momentum is stretched — its 14-day RSI (a 0–100 momentum gauge) is 76, in overbought territory (above 70). It just made a new 20-day high, pushing above its recent trading range.

Trend

8
Distance from the 200-daynot enough price history yet — needs 200 trading sessionsn/a
50-day moving averageits average price over the last 50 trading days — a short-term trend line — is $21.46$21.46
200-day moving averagenot enough price history yet — needs 200 trading sessionsn/a
Swing structureits recent peaks and dips disagree — one of them is rising while the other is not, so there is no clean up or down pattern in the swingsmixed — one of the two is not confirming
Last swing turnits last significant turn was a swing low 28 calendar days ago — the swings before that are what the structure reading is measured on28 sessions
Wave structureits recent swings can be read as a completed three-part downward correction — a pullback in the A-B-C shape Elliott-wave chartists use; the labelling fails if price closes below 19.215. It is the only labelling that fits, though not with textbook proportions, and it describes the swings already printed, not what comes next.possible three-wave downward correction, complete (atypical proportions)
Since the 50/200 crossnot enough price history yet — needs 200 trading sessionsn/a
Trend strength (14-day ADX)a strong uptrend is in place — ADX, a 0–100 trend-strength gauge, is 35, with buyers in control35.1

Momentum

3
14-day RSImomentum is stretched — its 14-day RSI (a 0–100 momentum gauge) is 76, in overbought territory (above 70)76.4
Position in its 14-day rangeit is trading near the top of its 14-day range ($22.80 to $28.36) — its "stochastic" reading is 91 out of 100, where 0 would mean closing exactly at the 14-session low and 100 exactly at the high. This measures WHERE the price sits inside its recent range, which is a different question from the RSI beside it: RSI is a momentum gauge, measuring how FAST the price has been moving, so a stock can drift quietly to the bottom of its range with an ordinary RSI, or fall sharply and still sit in the middle. It has been climbing within that range over the last few sessions.90.6
Since the MACD crossed zeroMACD, a trend-momentum gauge, is in positive territory (momentum leaning bullish)16 sessions

Range

12
52-week highits highest closing price over the past year (about 252 trading days) was $28.36$28.36
From the 52-week highit is 1.9% below its 52-week high (its highest price of the past year)-1.9%
Above the 52-week lowit is 87.5% above its 52-week low (its lowest price of the past year)+87.5%
Below the 52-week highit is 1.9% below its highest point of the past year1.9%
Since a 20-day breakoutit just made a new 20-day high, pushing above its recent trading range1 session
Since a 55-day breakoutit just made a new 55-day high, pushing above its recent trading range1 session
All-time highits highest closing price on record is $28.36 (set on 2026-08-26)$28.36
Given back of the 52-week movenot available for this company yetn/a
From the all-time highit is 1.9% below its all-time high-1.9%
Nearest price levelnot enough price history yet — needs 252 trading sessionsn/a
All-time lowits lowest closing price on record is $14.85 (set on 2026-05-07)$14.85
Above the all-time lowit is 87.5% above its all-time low+87.5%

Volatility

4
Band width vs its own 6 monthsday-to-day price swings are about average versus its own recent 6-month history69th percentile
Typical daily rangein a typical session it travels about $1.77 between its high and its low — about 6.4% of its price. That is its "average true range" over the last 14 sessions, which also counts the distance from the previous close, so a day that opens well away from yesterday counts as the large move it was$1.77
Bollinger bands (20-day, ±2σ)most of its recent trading has stayed between about $20.00 and $26.79 — the "Bollinger bands", a range drawn two standard deviations either side of its 20-day average price, which widens when the stock gets more volatile and narrows when it settles$20.00 – $23.40 – $26.79
Typical daily range (% of price)its price moves about 6.4% in a typical session — more volatile than most companies we cover. This is the average gap between a session's high and low over the last 14 sessions, counting overnight moves, expressed against the current price so it can be compared with companies trading at any price6.4%

Volume

1
Volume vs its 30-day averagetrading volume is about normal versus its 30-day average1.26×

Analyst

2
Change in the average price targetanalysts' average price target is unchanged from the prior reading0.0%
Change in the consensus ratingthe analyst consensus rating is unchanged since the prior readingunchanged

Candlestick patterns

3
Since a doji4 sessions ago it opened and closed at almost the same price after trading through a wider range — a "doji", the classic picture of buyers and sellers finishing the session level4 sessions ago
Since a bullish engulfing3 sessions ago it opened below the previous session's close and finished above that session's open — a "bullish engulfing" pair, where one up day more than undid the down day before it3 sessions ago
Since a bearish engulfing9 sessions ago it opened above the previous session's close and finished below that session's open — a "bearish engulfing" pair, where one down day more than undid the up day before it9 sessions ago

Price gaps

2
Gap at the openit opened on 2026-08-26 1.1% above the previous session's close — an overnight gap, the part of the move that happened while the market was shut, and traded back through that level before the close+1.1%
Gap filleda 4.5% gap down opened on 2026-08-03 has been "filled" 17 sessions ago — price traded back through the level the gap left behind, and it closed again during the very session that opened it17 sessions ago

Price streaks

1
Closing streakit has closed higher 2 sessions in a row, a +15.61% move over the run — an unbroken run of up days, which describes what has already happened and says nothing about the next session2 sessions up

Relative strength

4
vs market, 1 monthover the past 1 month this stock beat the market by 28.3 percentage points (the stock gained 31.9% while the market gained 3.7%)+28.3%
vs market, 3 monthsover the past 3 months this stock beat the market by 56.3 percentage points (the stock gained 59.1% while the market gained 2.7%)+56.3%
vs market, 6 monthsnot available for this company yetn/a
vs market, 12 monthsnot available for this company yetn/a

Signal agreement

2
Bullish technical signals3 of the 5 technical signals we can compute for it are currently in a bullish state: a strong uptrend, with buyers in control, a fresh 20-day high, MACD momentum is positive — these describe past price behaviour, not a forecast3 of 5
Bearish technical signals2 of the 5 technical signals we can compute for it are currently in a bearish state: its RSI momentum gauge is overbought (a stretched reading), near the top of its 14-day range (overbought) — these describe past price behaviour, not a forecast2 of 5

Volume-weighted price

2
Vs this year’s average price paidthe price is 46% above the average price paid since 2026-05-01, so the typical buyer over that stretch is showing a gain. That average is $19.03 — a volume-weighted average of daily closes over 71 sessions, not a true tick-by-tick VWAP.+46.3%
Vs the average paid since it last reportedthe price is 17% above the average price paid since it last reported on 2026-08-03 (its 10-Q), so the typical buyer over that stretch is showing a gain. That average is $23.79 — a volume-weighted average of daily closes over 18 sessions, not a true tick-by-tick VWAP.+17.0%

Wave structure

Its recent swings can be read as a three-part downward correction — the A-B-C shape chartists use for a pullback — now complete.

This labelling fails — stops being a possible reading at all — if it closes below $19.21.

It is the only labelling that fits these swings, though its proportions are not the textbook ones. It was chosen from 3 labellings that survived the rules, counting shorter readings of the same bars.

This labelling was already in place when we began recording count changes on 2026-08-12, so how long it has stood is not something we can say yet.

Read from daily closes as of 2026-08-26.

An Elliott-wave count describes the swings already printed and the level that would disprove it. It is not a forecast, a target, or advice.

Based on daily closing prices as of 2026-08-26. Describes past price behavior only — informational, not financial advice.

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Analyst consensus

  • Consensus ratingStrong Buy (1.50 mean, 1=Strong Buy…5=Strong Sell) — 5 analysts
  • Mean price target$38.00 range $30.00 – $50.00; median $35.00

Analyst estimates, as of 2026-08-24. These are third-party analyst opinions and price targets, aggregated — not a recommendation, prediction, or advice from stocks-llm. Informational only.

Analyst EPS estimate for SPTX

  • Consensus EPS estimate-$0.5613 next reporting period, as of 2026-08-24

Change over time is not available yet: it needs two readings of the same reporting period at least 30 days apart, and we have been recording these estimates since 2026-08-04. An estimate for a DIFFERENT quarter is not a revision, so a reading from before the last report is never compared with one after it.

The consensus estimate for the next reporting period, and how it has moved between readings of that SAME period. A change is measured only between readings estimating one period — when a company reports, the consensus moves to the next quarter and the two numbers are not comparable. Informational only, not a forecast and not advice.

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Key risks (from latest filing)

["Dependence on successful advancement of clinical trials; company's ability to complete trials and achieve regulatory milestones is uncertain with substantial risk of trial failure or delays","Reliance on third parties for manufacturing and clinical trial conduct; loss of or adverse changes to these relationships could delay or prevent product development","Significant ongoing capital requirements with limited cash runway; company will require substantial additional financing to complete development and achieve commercialization"]

See SPTX's biggest risks from its latest 10-Q →

Insider activity (SEC Form 4)

1 open-market purchase and 0 open-market sales by insiders in the last 90 days.

  • Last 90 days1 buy ($235768) · 0 sells — 1 buying insider
  • Last 180 days2 buys ($20M) · 0 sells — 2 buying insiders

Activity heuristic: net buying (a transparent product heuristic from the counts above, not a prediction or advice)

Most recent open-market transaction: 2026-06-22. As of 2026-08-27.

View full insider trading history → View SEC Form 3/4/5 filings

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Only open-market purchases (SEC code P) and sales (code S) are counted here. Option exercises, vesting/awards, gifts, and shares withheld for taxes are excluded — they are compensation or mechanical, not open-market conviction. Sales may be planned and non-discretionary (e.g. a Rule 10b5-1 plan) and are not necessarily bearish; open-market buying is not a recommendation to buy. Informational only — not financial advice.

Short interest (FINRA)

SPTX had 2,758,029 shares of reported short interest as of the 2026-07-31 FINRA settlement date (delayed, bi-monthly; not real-time).

SPTX had 5.15% of its shares outstanding sold short as of the 2026-07-31 FINRA settlement date (percent of FLOAT would be higher — float is not disclosed in the source). FINRA reported 30.75 days to cover at the same settlement.

  • Reported short interest (shares) 2,758,029
  • Short interest (% of shares outstanding) 5.15%
  • Prior settlement (shares) 1,980,276
  • Reported change 39.27%
  • Days to cover (reported) 30.75

Reported to FINRA as of the 2026-07-31 settlement date. Short interest is reported to FINRA and published on a delayed, bi-monthly schedule (as of a settlement date, disseminated roughly eight business days later) — it is NOT real-time, does not cover every venue or all US trading, and is not a short-squeeze prediction or investment advice. Days-to-cover is the value FINRA reports; percent of float is not shown because the source file carries no share-count denominator — where a percent appears it is of shares OUTSTANDING, the larger base, and is therefore a floor on percent of float. Informational only — not financial advice.

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Seaport Therapeutics, Inc. is found in…

Frequently asked questions

What does Seaport Therapeutics, Inc. (SPTX) do?

Seaport Therapeutics is a biopharmaceutical company focused on discovering and developing novel therapeutic candidates for serious disorders. The company leverages its platform technologies to identify and advance product candidates through preclinical studies and clinical trials, with a strategy to rapidly progress programs across target indications and expand its pipeline.

What sector is Seaport Therapeutics, Inc. (SPTX) in?

Seaport Therapeutics, Inc. (SPTX) is classified in the Health Care sector. Its industry is Clinical-stage biopharmaceutical development. It trades on NASDAQ.

Is Seaport Therapeutics, Inc. (SPTX) overbought or oversold right now?

Seaport Therapeutics, Inc. (SPTX) is currently in overbought territory (its 14-day RSI is 76, above 70) (as of 2026-08-26). RSI describes recent price momentum, not a forecast — informational only, not financial advice.

Where does stocks-llm's data on SPTX come from?

Fundamentals and prices come from market data, as of 2026-08-26; company filings and profile facts come from SEC EDGAR. All figures are delayed daily-close data shown with their as-of date — informational only, not financial advice.

Fundamentals: market data, as of 2026-08-26. Filings: SEC EDGAR. Prices are delayed daily-close data.

Last updated 2026-08-26.

Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date.

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