Subscriptions are live: We're on the subscription model now, early-access price $24.99/month, with day, week, and longer plans too. New accounts start with 5 free premium days. Prefer to donate? Donations grant premium time and are logged on your profile page.

$GLSI

Greenwich LifeSciences, Inc.

XNASHealth CarePharmaceutical Preparations

$16.63
+8.61%+$1.32
RVOL peak today
Normal
Halted today
None today
Float
5.0M
Next earnings
Unscheduled
$16.63+8.61%+$1.32Prev $15.31LIVE Full chart Live alerts
No recent price bars, the chart lights up when GLSI starts printing.

Why is GLSI up today? It is at $16.63 (+8.61%), and our scanner flagged it 10 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment GLSI spikes, and full due diligence on GLSI — key stats, earnings, dilution and insider activity. Free.

Free alerts

Get free $GLSI alerts the moment volume spikes

Our scanner flagged $GLSI 10 times in the last 30 days. Create a free account to track $GLSI, 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.

Real-time RVOL & momentum alerts Personal watchlist & price alerts
Sign up free with email

No card · 5 premium days · join 800+ traders

Key Stats

Price & performance
Price
$16.63
Change today
+8.61%
Previous close
$15.31
52-week range
$7.78 – $34.10
Valuation & dividend
Market cap
$245M
Ownership & volume
Shares outstanding
14.7M
SEC · as of 2026-07-24 · 30d
Insider ownership
52.6%
DEF 14A · 2025-11-03
Institutional own.
13.52%
Total held
66.1%
Tradeable float
5.0M
34% of shares · after 53% insiders + 14% institutions
Short interest
1.5M
▲ +5% vs prior · as of 2026-07-31
Short % of float
31.0%
Days to cover
7.2d
Avg daily volume
230K
Classification
Sector
Health Care
Industry
Pharmaceutical Preparations
Exchange
XNAS
Relative volumevs this time of day
5mthin
300x
15mthin
288x
1hthin
288x
1D
--

Get free GLSI + market alerts in your inbox

The top plays and unusual-volume catches our scanner flags, emailed to you. No account needed.

No spam. Unsubscribe anytime. Not investment advice.

Why is $GLSI up today?

Here is the latest on GLSI from our scanner (live price and day move above). A move this size is almost always tied to a specific catalyst. Most of the time that is an earnings report, a guidance update, or a company announcement. If none is shown above, the release may not be in our news feed yet. It will show up here as soon as it is.

Why is $GLSI moving? →▶ Replay the moveAuto-generated from live scanner data. Not investment advice.
Trading profile⚡ Ultra-low float · 5.0M sh🔥 Heavily shorted · 31% of floatNot shortableNo SSRBorrow via Alpaca · SSR from Reg SHO 201
Wall Street consensusStrong Buy2 analysts
Avg target $57.00(+243% upside)
Range $45 - $69
2 buy0 hold0 sell

Analyst data via Nasdaq. Not investment advice.

Insiders

Insiders buying12 open-market buys5 buys, 0 sells last 3 months (13/0 over 12 months)
Show 12 recent transactions
InsiderActionShares% of positionOwns afterValueDate
Patel Snehal
Officer
Bought (open market)+700added <0.1%5.61M$9K
at $13.10
Jul 29, 26
Patel Snehal
Officer
Bought (open market)+2K
0.01% of company
added <0.1%5.61M$20K
at $13.59
Jul 28, 26
Patel Snehal
Officer
Bought (open market)+2K
0.01% of company
added <0.1%5.61M$20K
at $13.62
Jul 27, 26
Patel Snehal
Officer
Bought (open market)+1Kadded <0.1%5.61M$14K
at $12.88
Jul 24, 26
Patel Snehal
Officer
Bought (open market)+3K
0.02% of company
added <0.1%5.61M$33K
at $13.14
Jul 23, 26
Patel Snehal
Officer
Bought (open market)+2K
0.01% of company
added <0.1%5.60M$54K
at $29.83
Jan 13, 26
Patel Snehal
Officer
Bought (open market)+3K
0.02% of company
added <0.1%5.60M$80K
at $27.54
Jan 12, 26
Patel Snehal
Officer
Bought (open market)+4K
0.03% of company
added <0.1%5.60M$92K
at $21.36
Dec 31, 25
Patel Snehal
Officer
Bought (open market)+3K
0.02% of company
added <0.1%5.60M$63K
at $21.73
Dec 30, 25
Patel Snehal
Officer
Bought (open market)+4K
0.03% of company
added <0.1%5.59M$52K
at $12.62
Dec 18, 25
Patel Snehal
Officer
Bought (open market)+5K
0.03% of company
added <0.1%5.59M$39K
at $8.37
Nov 25, 25
Patel Snehal
Officer
Bought (open market)+11K
0.07% of company
added 0.2%5.58M$89K
at $8.43
Nov 7, 25

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.

Dilution watch

Unavailable

We could not reach SEC EDGAR, so the dilution check did not run for $GLSI. This is not a clean result: there may be an offering, a registration or a shelf on file that we were unable to read. Check it yourself on SEC EDGAR before trading it.

$GLSI Sentiment

Bullish
Bearish100Bullish
📰 News: 0 bull · 0 bearToday: +8.6%👥 Community: 0 bull · 0 bear

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

$GLSI Activity

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

Alert· 2d ago +3.5% vs EMA
GLSI 200EMA (1m) Trending · 66 bars · L3 · +3.46% above EMA · slope +0.78%
at $17.01
Alert· 2d ago +1.64%
$GLSI moved +1.64% in 1 min (Level 1) at 4:01 AM ET
at $16.74
Alert· 2d ago +1.66%
$GLSI moved +1.66% in 1 min (Level 1) at 7:24 PM ET
at $16.85
Alert· 10d ago +5.53%
$GLSI moved +5.53% (~15m high-low range 5.53%) (Level 5) at 8:45 AM ET
at $17.15
Alert· 10d ago +5.53%
$GLSI moved +5.53% (~15m high-low range 5.53%) (Level 5) at 7:09 AM ET
at $17.93
Alert· 13d ago +5.0% vs EMA
GLSI 200EMA (5m) Trending · 56 bars · L3 · +4.97% above EMA · slope +1.47%
at $15.52
Alert· 13d ago +2.5% vs EMA
GLSI 200EMA (1m) Trending · 103 bars · L4 · +2.48% above EMA · slope +0.75%
at $15.52
Alert· 13d ago +0.3% vs EMA
GLSI 50EMA (5m) Trending · 56 bars · L3 · +0.32% above EMA · slope +2.10%
at $15.52
Alert· 13d ago 7.8× RVOL
GLSI hit 7.767x RVOL at 1:34 PM ET
at $15.76
Alert· 24d ago +2.1% vs EMA
GLSI 50EMA (5m) Trending · 50 bars · L3 · +2.08% above EMA · slope +2.47%
at $14.07
Alert· 24d ago +4.2% vs EMA
GLSI 200EMA (1m) Trending · 69 bars · L3 · +4.19% above EMA · slope +0.93%
at $14.07
Alert· 24d ago +1.5% vs EMA
GLSI 50EMA (1m) Trending · 72 bars · L3 · +1.45% above EMA · slope +1.93%
at $14.07
Alert· 24d ago +1.5% vs EMA
GLSI 50EMA (1m) Trending · 72 bars · L3 · +1.45% above EMA · slope +1.93%
at $14.07
Alert· 24d ago 2.2× RVOL
GLSI hit 2.184x RVOL at 2:10 PM ET
at $13.85
Alert· 24d ago 4.6× RVOL
GLSI hit 4.609x RVOL at 12:23 PM ET
at $13.69
Alert· 25d ago -2.9% vs EMA
$GLSI near 200 EMA: -2.85% from 200 EMA at 9:04 AM ET
at $13.06
Alert· 25d ago -2.60%
$GLSI moved -2.60% in 1 min (Level 1) at 9:04 AM ET
at $13.06
Alert· 25d ago 4.6× RVOL
GLSI hit 4.630x RVOL at 9:04 AM ET
at $13.06
Alert· 27d ago +0.3% vs EMA
GLSI 200EMA (1m) Trending · 80 bars · L3 · +0.30% above EMA · slope +0.38%
at $13.46
Alert· 27d ago 9.5× RVOL
GLSI hit 9.479x RVOL at 1:17 PM ET
at $13.71
Alert· 30d ago 2.5× RVOL
GLSI hit 2.546x RVOL at 2:04 PM ET
at $12.93
Alert· 31d ago +2.04%
$GLSI moved +2.04% in 1 min (Level 1) at 1:31 PM ET
at $13.02
Alert· 31d ago 10.5× RVOL
GLSI hit 10.510x RVOL at 1:31 PM ET
at $12.95
Alert· 31d ago -2.3% vs EMA
$GLSI near 200 EMA: -2.29% from 200 EMA at 9:22 AM ET
at $13.68
Alert· 31d ago -7.13%
$GLSI moved -7.13% in 1 min (Level 5) at 9:22 AM ET
at $12.77

Related PHARMACEUTICAL stocks

Also moving today

The tickers our scanner is lighting up most over the last 48 hours.

GLSI stock FAQ

Why is $GLSI up today?

Here is the latest on GLSI from our scanner (live price and day move above). A move this size is almost always tied to a specific catalyst. Most of the time that is an earnings report, a guidance update, or a company announcement. If none is shown above, the release may not be in our news feed yet. It will show up here as soon as it is.

What is the GLSI stock price today?

GLSI last traded at $16.63, up 8.61% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).

Where can I see live GLSI alerts?

The GLSI 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 GLSI 10 times in the last 30 days.

What exchange is GLSI on?

GLSI (Greenwich LifeSciences, Inc.) trades on XNAS, with a market cap of about $245M in the PHARMACEUTICAL PREPARATIONS sector.

Is GLSI 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 GLSI for yourself. This is not investment advice.

Live data from TheDesperateTrader scanner. Not investment advice.