SpaceX~$1TSpaceX~$1T
Insider Buying
Subscribe
All stock lists
YDES

YD Bio Ltd (NASDAQ:YDES)

TW · Delayed Price · Currency is USD
Healthcare · Biotechnology
5.97-1.21 (-16.85%)
 
Market cap
$423M
Insider Score
Health Score
Listed since
Aug 29, 2025
Market Cap422.86M-31.1%
Revenue (ttm)0
Net Income-2.97M
EPS-0.04
Shares Out70.83M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume206,967
Open7.01
Previous Close7.18
Day's Range5.87 - 7.45
52-Week Range1.70 - 15.72
Betan/a
Analystsn/a
Price Targetn/a
Earnings Daten/a
Insider Score
47/ 100
YDES Insider Score
Neutral

3 qualifying trades · 1 insider · $128.53K bought in the last 90 days

YD Bio Ltd Stock Analysis — InsiderScore

See top-rated InsiderScore stocks ›
9th Percentile Overall Score
YDES InsiderScore:47 / 99

YD Bio Ltd scored higher than 9% of companies evaluated by InsiderBuying, and ranked 70th out of 95 stocks in the biotech sector.

Scores are percentile-ranked against every company we scored that day, with extra weight given to the size and conviction of each purchase and the seniority of the buyer.

Dollars Committed

Insiders at YD Bio Ltd bought $128.5K of stock across 3 purchases in the last 90 days, the largest of them $67.4K.

Stake Increase

The average purchase added about 0% to the buyer's existing holding. Doubling a stake earns full marks here; topping up an already large position earns very little.

New Positions

Every buyer already held stock, so each purchase is an increase rather than a first position.

This category carries 35% of the Insider Score.

About YDES

YD Bio Limited, a biopharmaceutical company, focuses on regulated diagnostics, life science clinical services, and healthcare product commercialization in the United States and Taiwan. The company offers eye disease treatment products, 3D LensMate Artificial Tears, a natural tear-mimicking lubricant that moisturizes the eyes and relieves dry eye symptoms; 3D LensMate Eye Drops, an ophthalmic solution to alleviate symptoms of dry eye syndrome, including irritation, foreign body sensation, and eye fatigue; and LSC Eye Drug/Injection, an injectable ophthalmic drug is being developed for the treatment of various retinal and macular disorders, such as age-related macular degeneration, macular edema, choroidal and subretinal neovascularization, and neovascular glaucoma. It also provides Hydrogel (Hioxifilcon A) Soft (Hydrophilic) Contact Lens, a spherical and aspherical lenses. In addition, the company supplies drugs and medical materials for clinical trials; and operates DNA methylation-based oncology testing programs. Further, it provides life science distribution and clinical trial supply chain services, including procurement, logistics coordination, and compliance-focused support for clinical development programs to pharmaceutical and biotechnology companies. It serves corporate and retail customers. The company was founded in 2013 and is based in Taipei, Taiwan.

Address
No. 3, Xingnan St., Taipei, TP, 115001, TW
Market Cap
423 million
Employees
14
Industrial Classification
Biotechnology

What Are Insiders Doing?

Open-market buy / sell balanceNet Buying
Sold
$0
Bought
$128.53K

View the trades behind this meter — each links to its SEC Form 4 →

Open-market Form 4 purchases (code P) vs sales (code S) on file for this company. Grants, option exercises and tax withholdings are excluded. Informational only.

Financial Health Score
Sound
From YDES’s reported statements · Q2 2025 (trailing 12 months) · 4 of 5 pillars

Ask Barron about YDES

1 Day
-16.85%
5 Days
+1.19%
1 Month
+3.11%
6 Months
+12.43%
1 Year
-31.14%

$YDES stock is featured in our Insider Score Rankings, and Insider Trades datasets.

→ All Stock Lists

Recently reported changes in YDES holdings by institutional investors

Scanning latest 13F filings…

Latest 0 13F filings · Source: SEC EDGAR

View all institutional owners →

Insider Trading

Quarterly net insider trading by YDES's directors and management

Net Shares Purchased by Insiders−40k−20k02025Q42026Q12026Q22026Q32026Q4

Source: SEC EDGAR (Form 4)

Corporate Lobbying

YDES Estimated quarterly lobbying spending

Source: U.S. Senate LDA

U.S. Patents

New YDES patent grants

Loading patent grants…

Source: USPTO Open Data Portal

Government Contracts

Estimated quarterly amount awarded to YDES from public contracts

Source: USAspending.gov

YDES Insider Score

Our composite score: insider buying, sector, volume, tone & dilution

47
Neutral
Data completeness: 82%

Bull Case vs Bear Case

AI-generated from YDES’s recent data — informational, not investment advice

Generating analysis…

Insider Score

Our 0–100 Insider Score and the signals behind it.

47/ 100
Insider Activity
Open-market Form 4 buying
Strong
Transaction Size
Purchase $ vs. market cap
Positive
Insider Ownership
Stake increase by buyers
Neutral
Buyer Cluster
Multiple insiders buying together
Positive
Track Record
Past insider-buy performance
Strong
Market Timing
Timing vs. recent price trend
Strong

Biotech: ranks #70 of 95 scored Biotech stocks · sector average 60.6

What’s Behind the Score

Insider Activity
100% of score
37
Analyst Ratings
No data yet
—
News & Sentiment
No data yet
—

Recent Insider Activity

Buys
3
Sells
0
Buy Value
$128.53K
Distinct Buyers
1

Insider Score Trend Over Time

+19.0 since Sep 11
0255075100Sep 11 — Insider Score 27.6Sep 12 — Insider Score 26.9Sep 13 — Insider Score 26.9Sep 14 — Insider Score 25.2Sep 15 — Insider Score 24.1Sep 16 — Insider Score 22.3Sep 17 — Insider Score 43.6Sep 18 — Insider Score 43.5Sep 19 — Insider Score 43.1Sep 20 — Insider Score 43.1Sep 21 — Insider Score 42.8Sep 22 — Insider Score 41.8Sep 23 — Insider Score 41.0Sep 24 — Insider Score 39.4Sep 25 — Insider Score 56.3Sep 26 — Insider Score 56.3Sep 27 — Insider Score 56.4Sep 28 — Insider Score 56.3Sep 29 — Insider Score 55.8Sep 30 — Insider Score 55.1Oct 1 — Insider Score 54.6Oct 2 — Insider Score 44.0Oct 3 — Insider Score 54.2Oct 4 — Insider Score 54.3Oct 5 — Insider Score 54.3Oct 6 — Insider Score 54.4Oct 7 — Insider Score 53.6Oct 8 — Insider Score 53.4Oct 9 — Insider Score 53.3Oct 10 — Insider Score 52.9Oct 11 — Insider Score 53.6Oct 12 — Insider Score 53.6Oct 13 — Insider Score 53.5Oct 14 — Insider Score 53.1Oct 15 — Insider Score 53.0Oct 16 — Insider Score 52.8Oct 17 — Insider Score 52.6Oct 18 — Insider Score 52.9Oct 19 — Insider Score 52.8Oct 20 — Insider Score 52.7Oct 21 — Insider Score 52.6Oct 22 — Insider Score 53.1Oct 23 — Insider Score 53.1Oct 24 — Insider Score 53.1Oct 25 — Insider Score 52.9Oct 26 — Insider Score 52.4Oct 27 — Insider Score 52.4Oct 28 — Insider Score 52.2Oct 29 — Insider Score 51.5Oct 30 — Insider Score 50.5Oct 31 — Insider Score 50.1Nov 1 — Insider Score 50.1Nov 2 — Insider Score 50.1Nov 3 — Insider Score 49.0Nov 4 — Insider Score 48.1Nov 5 — Insider Score 47.4Nov 6 — Insider Score 46.4Nov 7 — Insider Score 45.8Nov 8 — Insider Score 46.4Nov 9 — Insider Score 46.6Sep 11Oct 10Nov 9

Composite Insider Score (0–100) recomputed on each scoring run from live SEC Form 4 data.

Frequently Asked Questions

Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.