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$MREO

Mereo BioPharma Group plc American Depositary Shares

XNASHealth CarePharmaceutical Preparations

$0.3264+19.82%+$0.0540Prev $0.2724LIVE Full chart Live alerts
No recent price bars, the chart lights up when MREO starts printing.

Why is MREO up today? It is at $0.326 (+19.82%), and our scanner flagged it 50 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment MREO spikes, and full due diligence on MREO — key stats, earnings, dilution and insider activity. Free.

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Our scanner flagged $MREO 50 times in the last 30 days. Create a free account to track $MREO, build a watchlist, and get instant unusual-volume alerts — plus 5 free premium days, no card needed.

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Key Stats

Price & performance
Price
$0.326
Change today
+19.82%
Previous close
$0.272
52-week range
$0.200 – $2.37
Valuation & dividend
Market cap
$43M
Ownership & volume
Shares outstanding
159.6M
Live vendor count
Insider ownership
6.5%
DEF 14A · 2026-04-09
Institutional own.
9.46%
Total held
16.0%
Tradeable float
134.2M
84% of shares · after 6% insiders + 9% institutions
Short interest
3.5M
▼ -40% vs prior · as of 2026-07-15
Short % of float
2.6%
Days to cover
3.2d
Avg daily volume
5.2M
Classification
Sector
Health Care
Industry
Pharmaceutical Preparations
Exchange
XNAS
Relative volumevs this time of day
5mthin
2.1x
15mthin
2.4x
1hthin
1.9x
1D
76x

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Why is $MREO up today?

23 alerts today696.9x RVOLSEC filing

MREO is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 23 unusual-volume and momentum alerts on MREO today, peaking at 696.9x its normal volume. Fresh from the SEC: Mereo BioPharma Group plc filed a Quarterly report (10-Q). A material company disclosure like this is often the real catalyst behind a move of this size.

Likely catalystQuarterly report (10-Q), from the latest SEC filing. Read it →
Why is $MREO moving? →▶ Replay the moveAuto-generated from live scanner data. Not investment advice.
Trading profileNot shortableSSR active · triggered Aug 10 (-10%)Borrow via Alpaca · SSR from Reg SHO 201
Wall Street consensusStrong Buy3 analysts
Avg target $3.00(+819% upside)
Range $3 – $3
2 buy1 hold0 sell

Analyst data via Nasdaq. Not investment advice.

Insiders

0 buys, 0 sells last 3 months (0/0 over 12 months)
Show 12 recent transactions
InsiderActionShares% of positionOwns afterValueDate
Hughes-Wilson Alexandra
Officer
Sold (automatic/other)-100K
0.06% of company
sold 67%50K$423K
at $4.22
Sep 13, 24
Fox Christine Ann
Officer
Sold (automatic/other)-19K
0.01% of company
sold 18%89K$81K
at $4.22
Sep 13, 24
Sermon Charles
Officer
Sold (automatic/other)-21K
0.01% of company
sold 8.7%219K$88K
at $4.22
Sep 13, 24
Lewicki John A.
Officer
Sold (automatic/other)-11Ksold 12%79K$46K
at $4.22
Sep 13, 24
Scots-Knight Denise
Officer
Sold (automatic/other)-60K
0.04% of company
sold 6.9%809K$253K
at $4.22
Sep 13, 24
Hughes-Wilson Alexandra
Officer
Sold (automatic/other)-48K
0.03% of company
sold 24%151K$214K
at $4.47
Sep 12, 24
Fox Christine Ann
Officer
Sold (automatic/other)-9Ksold 7.8%108K$41K
at $4.47
Sep 12, 24
Sermon Charles
Officer
Sold (automatic/other)-10Ksold 4.0%240K$45K
at $4.47
Sep 12, 24
Lewicki John A.
Officer
Sold (automatic/other)-5Ksold 5.5%90K$23K
at $4.47
Sep 12, 24
Scots-Knight Denise
Officer
Sold (automatic/other)-29K
0.02% of company
sold 3.2%869K$128K
at $4.47
Sep 12, 24
Hughes-Wilson Alexandra
Officer
Other208K
0.1% of company
added 100%243Kn/aSep 11, 24
Scots-Knight Denise
Officer
Other188K
0.1% of company
added 27%898Kn/aSep 11, 24

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.

$MREO Sentiment

Neutral
Bearish44Bullish
📰 News: 0 bull · 4 bearToday: +19.8%👥 Community: 0 bull · 0 bear

Blend of news sentiment, today’s move, and community votes. Not investment advice.

$MREO Activity

News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.

Alert· 1h ago -11.47%
$MREO moved -11.47% in 1 min (Level 1) at 3:12 PM ET
at $0.302
Alert· 1h ago 40.1× RVOL
MREO hit 40.058x RVOL at 3:12 PM ET
at $0.300
Alert· 3h ago
The Watcher SOLD $MREO at $0.3501 __THOTH_JSON__{"side":"sell","strategyLabel":"The Watcher · day","reason":"time_box","shares":306,"instance":"Rider"}
at $0.350
Alert· 3h ago -1.09%
$MREO moved -1.09% in 1 min (Level 1) at 1:45 PM ET
at $0.348
Alert· 3h ago 15.8× RVOL
MREO hit 15.806x RVOL at 1:45 PM ET
at $0.348
Alert· 3h ago
The Watcher BOUGHT $MREO at $0.3500 __THOTH_JSON__{"side":"buy","strategyLabel":"The Watcher · day","reason":"day entry · coil-under9","shares":306,"instance":"Rider","setup":"coil-under9"}
at $0.350
Alert· 3h ago
The Watcher SOLD $MREO at $0.3513 __THOTH_JSON__{"side":"sell","strategyLabel":"The Watcher · scalp","reason":"stop_hit","shares":226,"instance":"Rider"}
at $0.351
Alert· 3h ago
The Watcher SOLD $MREO at $0.3556 __THOTH_JSON__{"side":"sell","strategyLabel":"The Watcher · scalp","reason":"Scale out into strength","shares":418,"instance":"Rider","setup":"coil-under9"}
at $0.356
Alert· 3h ago
The Watcher BOUGHT $MREO at $0.3475 __THOTH_JSON__{"side":"buy","strategyLabel":"The Watcher · scalp","reason":"scalp entry · coil-under9","shares":644,"instance":"Rider","setup":"coil-under9"}
at $0.347
Alert· 3h ago
The Watcher SOLD $MREO at $0.3479 __THOTH_JSON__{"side":"sell","strategyLabel":"The Watcher · day","reason":"dead_at_5m","shares":263,"instance":"Rider"}
at $0.348
Alert· 3h ago -1.54%
$MREO moved -1.54% in 1 min (Level 1) at 1:08 PM ET
at $0.353
Alert· 3h ago
The Watcher BOUGHT $MREO at $0.3549 __THOTH_JSON__{"side":"buy","strategyLabel":"The Watcher · day","reason":"day entry · coil-under9 refire","shares":263,"instance":"Rider","setup":"coil-under9 refire"}
at $0.355
Alert· 4h ago 696.9× RVOL
MREO hit 696.896x RVOL at 12:46 PM ET
at $0.350
Alert· 4h ago 154.6× RVOL
MREO hit 154.549x RVOL at 12:34 PM ET
at $0.346
Alert· 4h ago +2.6% vs EMA
$MREO near 200 EMA: +2.63% from 200 EMA at 12:31 PM ET
at $0.343
Alert· 4h ago +2.07%
$MREO moved +2.07% in 1 min (Level 1) at 12:31 PM ET
at $0.343
Alert· 4h ago
The Watcher SOLD $MREO at $0.3320 __THOTH_JSON__{"side":"sell","strategyLabel":"The Watcher · scalp","reason":"level_fail","shares":925,"instance":"Rider"}
at $0.332
Alert· 4h ago
The Watcher BOUGHT $MREO at $0.3400 __THOTH_JSON__{"side":"buy","strategyLabel":"The Watcher · scalp","reason":"scalp entry · coil-under9","shares":925,"instance":"Rider","setup":"coil-under9"}
at $0.340
Alert· 4h ago +0.3% vs EMA
$MREO near 200 EMA: +0.31% from 200 EMA at 12:09 PM ET
at $0.334
Alert· 4h ago
The Watcher SOLD $MREO at $0.3342 __THOTH_JSON__{"side":"sell","strategyLabel":"The Watcher · day","reason":"level_fail","shares":548,"instance":"Rider"}
at $0.334
Alert· 4h ago 17.0× RVOL
MREO hit 16.988x RVOL at 12:08 PM ET
at $0.337
Alert· 4h ago
The Watcher BOUGHT $MREO at $0.3416 __THOTH_JSON__{"side":"buy","strategyLabel":"The Watcher · day","reason":"day entry · coil-under9","shares":548,"instance":"Rider","setup":"coil-under9"}
at $0.342
Alert· 4h ago
The Watcher SOLD $MREO at $0.3475 __THOTH_JSON__{"side":"sell","strategyLabel":"The Watcher · day","reason":"trend_hold_trail","shares":114,"instance":"Rider"}
at $0.347
Alert· 5h ago -2.49%
$MREO moved -2.49% in 1 min (Level 1) at 11:48 AM ET
at $0.350
Alert· 5h ago
The Watcher SOLD $MREO at $0.3430 __THOTH_JSON__{"side":"sell","strategyLabel":"The Watcher · day","reason":"Scale out into strength","shares":209,"instance":"Rider","setup":"coil-under9"}
at $0.343
vokeefe91· 6h ago
added $MREO to their watchlist
News· SEC EDGAR· 12h ago
Mereo BioPharma Group plc filed a Quarterly report (10-Q)
News· SEC EDGAR· 12h ago
Mereo BioPharma Reports Second Quarter 2026 Financial Results and Provides Corporate Highlights
News· SEC EDGAR· 12h ago
Mereo BioPharma Group plc filed an 8-K: Material Agreement, Regulation FD Disclosure
News· SEC EDGAR· 89d ago
Mereo BioPharma Group plc filed an 8-K: Shareholder Vote
News· GlobeNewswire Inc.· 130d ago Bearish
ROSEN, A RANKED AND LEADING LAW FIRM, Encourages Soleno Therapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action – SLNO
News· GlobeNewswire Inc.· 130d ago Bearish
Bronstein, Gewirtz & Grossman LLC Urges Mereo BioPharma Group plc Investors to Act: Class Action Filed Alleging Investor Harm
News· GlobeNewswire Inc.· 133d ago Bearish
INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Mereo BioPharma Group plc of Class Action Lawsuit and Upcoming Deadlines – MREO
News· GlobeNewswire Inc.· 137d ago Bearish
Bronstein, Gewirtz & Grossman LLC Urges Mereo BioPharma Group plc Investors to Act: Class Action Filed Alleging Investor Harm

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MREO stock FAQ

Why is $MREO up today?

MREO is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 23 unusual-volume and momentum alerts on MREO today, peaking at 696.9x its normal volume. Fresh from the SEC: Mereo BioPharma Group plc filed a Quarterly report (10-Q). A material company disclosure like this is often the real catalyst behind a move of this size.

What is the MREO stock price today?

MREO last traded at $0.326, up 19.82% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).

Where can I see live MREO alerts?

The MREO 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 MREO 50 times in the last 30 days.

What exchange is MREO on?

MREO (Mereo BioPharma Group plc American Depositary Shares) trades on XNAS, with a market cap of about $43M in the PHARMACEUTICAL PREPARATIONS sector.

Is MREO good for day trading?

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 MREO for yourself. This is not investment advice.

Live data from TheDesperateTrader scanner. Not investment advice.