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J-Star Holding Co., Ltd. Ordinary Shares (YMAT)

J-Star Holding Co., Ltd. Ordinary Shares at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

J-Star Holding Co., Ltd. Ordinary Shares (YMAT) is a Chemicals - Specialty company based in TW with a market capitalization of $23.6M. Revenue declined 26.1% year-over-year and free cash flow was negative at -$3.1M. This page tracks YMAT's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

TW · 65 employees · IPO Jul 30, 2025

Valuation

Valuation & price

$1.60 · as of May 17, 2026 · -72.1% vs 52w high

24.7

P/E ratio

Latest-FY diluted EPS

1.81

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$5.74$2.99$0.24Jul 25Jan 26Jul 26Jul 30, 25$4.08Jul 31, 25$4.52Aug 4, 25$4.36Aug 6, 25$4.37Aug 8, 25$4.59Aug 12, 25$5.08Aug 14, 25$4.95Aug 18, 25$5.03Aug 20, 25$5.74Aug 22, 25$5.59Aug 26, 25$2.03Aug 28, 25$1.63Sep 2, 25$1.40Sep 4, 25$1.30Sep 8, 25$1.24Sep 10, 25$1.41Sep 12, 25$1.42Sep 16, 25$1.36Sep 17, 25$1.24Sep 19, 25$1.60Sep 23, 25$1.36Sep 25, 25$1.20Sep 29, 25$1.24Oct 1, 25$1.20Oct 3, 25$1.25Oct 7, 25$1.23Oct 9, 25$1.19Oct 13, 25$1.12Oct 15, 25$1.11Oct 17, 25$1.05Oct 21, 25$1.01Oct 23, 25$0.90Oct 27, 25$0.86Oct 29, 25$1.05Oct 31, 25$0.97Nov 3, 25$0.95Nov 5, 25$0.83Nov 7, 25$0.81Nov 11, 25$0.85Nov 13, 25$0.83Nov 17, 25$0.81Nov 19, 25$0.83Nov 21, 25$0.82Nov 25, 25$0.75Nov 28, 25$0.73Dec 2, 25$0.69Dec 4, 25$0.75Dec 8, 25$0.82Dec 10, 25$0.83Dec 12, 25$0.83Dec 16, 25$0.68Dec 18, 25$0.69Dec 19, 25$0.65Dec 23, 25$0.60Dec 26, 25$0.53Dec 30, 25$0.49Jan 2, 26$0.46Jan 6, 26$0.55Jan 8, 26$0.58Jan 12, 26$0.56Jan 14, 26$0.51Jan 16, 26$0.58Jan 21, 26$0.53Jan 23, 26$0.47Jan 27, 26$0.44Jan 29, 26$0.44Feb 2, 26$0.49Feb 4, 26$0.43Feb 6, 26$0.40Feb 9, 26$0.41Feb 11, 26$0.42Feb 13, 26$0.43Feb 18, 26$0.37Feb 20, 26$0.37Feb 24, 26$0.61Feb 26, 26$0.48Mar 2, 26$0.42Mar 4, 26$0.40Mar 6, 26$0.36Mar 10, 26$0.37Mar 12, 26$0.34Mar 16, 26$0.32Mar 18, 26$0.32Mar 20, 26$0.33Mar 24, 26$0.34Mar 26, 26$0.34Mar 27, 26$0.31Mar 31, 26$0.28Apr 2, 26$0.33Apr 7, 26$0.31Apr 9, 26$0.31Apr 13, 26$0.33Apr 15, 26$0.30Apr 17, 26$0.27Apr 21, 26$0.24Apr 23, 26$0.26Apr 27, 26$0.25Apr 29, 26$0.26May 1, 26$0.27May 5, 26$0.27May 7, 26$0.24May 11, 26$0.68May 13, 26$0.85May 14, 26$1.87May 18, 26$1.41May 20, 26$0.63May 22, 26$0.46May 27, 26$1.13May 29, 26$1.37Jun 2, 26$0.91Jun 4, 26$1.00Jun 8, 26$0.77Jun 10, 26$0.70Jun 12, 26$0.60Jun 16, 26$0.39Jun 18, 26$0.62Jun 23, 26$0.69Jun 25, 26$0.65Jun 29, 26$0.60Jul 2, 26$0.50
$0.2452-week range$5.74
Loading valuation history…

Fundamentals

Key fundamentals

$23.6M

Market cap

-26.1%

Revenue growth (YoY)

32.1%

Gross margin

-$3.1M

Free cash flow (USD)

$9.6M

Net debt

0.0%

Share dilution

0/5

Graham criteria passed

Defensive-investor screen

Basic Materials

Sector

Trajectory

Long-term trends

Revenue by year

2020 → 2024

FY 2020$22.2MFY 2021$31.3MFY 2022$39.4MFY 2023$23.8MFY 2024$17.6M
$22.2M$17.6M

Free cash flow by year

2020 → 2024

FY 2020$-421.5KFY 2021$-1.8MFY 2022$2.8MFY 2023$6.9MFY 2024$-3.1M
-$421.5K-$3.1M

Gross margin by year

2020 → 2024

FY 202033.2%FY 202128.7%FY 202223.1%FY 202312.3%FY 202432.1%
33.2%32.1%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 20-F filed Apr 30, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 6-K filingRegulatory UpdateJun 17, 2026Filing
  • 6-K filingAnnual Meeting ResultsJun 8, 2026Filing
  • 6-K filingFinancing Framework AuthorizationMay 26, 2026Filing
  • 6-K filingRelated Party TransactionMay 18, 2026Filing
  • 6-K filingAnnual General Meeting NoticeMay 8, 2026Filing
  • 6-K filingStrategic PartnershipMay 8, 2026Filing
  • 6-K filingStrategic PartnershipMay 1, 2026Filing
  • Annual report20-F FiledApr 30, 2026Filing
  • 6-K filingManagement ChangeApr 10, 2026Filing

Questions

Frequently asked questions

What is J-Star Holding Co., Ltd. Ordinary Shares's market cap?

J-Star Holding Co., Ltd. Ordinary Shares (YMAT) has a market capitalization of $23.6M.

What is YMAT's P/E ratio?

YMAT trades at a price-to-earnings ratio of 24.7, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is YMAT's price-to-book (P/B) ratio?

YMAT trades at 1.81 times book value per share.

Are insiders buying YMAT stock?

SEC Form 4 filings show no open-market insider buys at J-Star Holding Co., Ltd. Ordinary Shares in the last 90 days (0 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

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News

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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.