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Zentek Ltd. (ZTEK)

Zentek Ltd. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Zentek Ltd. (ZTEK) is a Medical - Instruments & Supplies company based in CA with a market capitalization of $63.2M. Revenue grew 2826.3% year-over-year and free cash flow was negative at -$4.4M. This page tracks ZTEK's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

CA · 24 employees · IPO Apr 2, 2012

Valuation

Valuation & price

$0.69 · as of May 17, 2026 · -37.8% vs 52w high

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P/E ratio

Latest-FY diluted EPS

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P/B ratio

Market cap ÷ book equity

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Dividend yield

Price — last 12 months

$1.11$0.76$0.40Jul 25Dec 25Jul 26Jul 7, 25$1.11Jul 9, 25$1.07Jul 11, 25$1.09Jul 15, 25$0.88Jul 17, 25$0.93Jul 21, 25$0.88Jul 23, 25$0.91Jul 25, 25$0.91Jul 29, 25$0.93Jul 31, 25$0.88Aug 4, 25$0.81Aug 6, 25$0.84Aug 11, 25$0.86Aug 13, 25$0.84Aug 15, 25$0.76Aug 19, 25$0.72Aug 21, 25$0.70Aug 25, 25$0.65Aug 27, 25$0.68Aug 29, 25$0.67Sep 3, 25$0.84Sep 5, 25$0.83Sep 9, 25$0.89Sep 11, 25$1.04Sep 16, 25$0.92Sep 18, 25$0.93Sep 22, 25$0.92Sep 24, 25$0.87Sep 26, 25$0.85Sep 30, 25$0.77Oct 2, 25$0.79Oct 6, 25$0.85Oct 8, 25$0.79Oct 10, 25$0.78Oct 14, 25$0.73Oct 16, 25$0.79Oct 21, 25$0.85Oct 23, 25$0.81Oct 27, 25$0.88Oct 29, 25$0.85Oct 31, 25$0.82Nov 4, 25$0.80Nov 6, 25$0.84Nov 10, 25$0.79Nov 12, 25$0.79Nov 14, 25$0.81Nov 18, 25$0.75Nov 20, 25$0.74Nov 25, 25$0.76Nov 28, 25$0.76Dec 2, 25$0.76Dec 4, 25$0.76Dec 8, 25$0.72Dec 10, 25$0.72Dec 12, 25$0.70Dec 16, 25$0.65Dec 18, 25$0.69Dec 22, 25$0.73Dec 24, 25$0.70Dec 29, 25$0.68Jan 2, 26$0.67Jan 6, 26$0.73Jan 8, 26$0.78Jan 12, 26$1.06Jan 14, 26$0.90Jan 16, 26$0.84Jan 21, 26$0.81Jan 23, 26$0.82Jan 27, 26$0.77Jan 29, 26$0.74Feb 2, 26$0.63Feb 4, 26$0.65Feb 9, 26$0.67Feb 11, 26$0.65Feb 13, 26$0.64Feb 18, 26$0.57Feb 20, 26$0.59Feb 24, 26$0.56Feb 26, 26$0.56Mar 2, 26$0.62Mar 4, 26$0.65Mar 6, 26$0.65Mar 10, 26$0.65Mar 12, 26$0.64Mar 17, 26$0.62Mar 19, 26$0.60Mar 23, 26$0.57Mar 25, 26$0.57Mar 27, 26$0.54Mar 31, 26$0.53Apr 2, 26$0.53Apr 7, 26$0.56Apr 9, 26$0.56Apr 13, 26$0.54Apr 15, 26$0.48Apr 17, 26$0.49Apr 22, 26$0.50Apr 24, 26$0.47Apr 28, 26$0.45Apr 30, 26$0.43May 4, 26$0.50May 6, 26$0.66May 8, 26$0.75May 12, 26$0.87May 14, 26$1.01May 18, 26$0.74May 20, 26$0.73May 22, 26$0.65May 28, 26$0.61Jun 1, 26$0.58Jun 3, 26$0.53Jun 5, 26$0.52Jun 9, 26$0.48Jun 11, 26$0.44Jun 15, 26$0.43Jun 17, 26$0.44Jun 22, 26$0.40Jun 24, 26$0.41Jun 26, 26$0.49Jul 2, 26$0.45
$0.3752-week range$1.11
Loading valuation history…

Fundamentals

Key fundamentals

$63.2M

Market cap

2826.3%

Revenue growth (YoY)

22.1%

Gross margin

-$4.4M

Free cash flow (USD)

$559K

Net debt

5.6%

Share dilution

1/4

Graham criteria passed

Defensive-investor screen

Healthcare

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$0.00FY 2017$0.00FY 2018$0.00FY 2019$0.00FY 2020$0.00FY 2021$2.4KFY 2022$339.7KFY 2023$72.9KFY 2024$29.8KFY 2025$872.5K
$0$872.5K

Free cash flow by year

2016 → 2025

FY 2016$-2.7MFY 2017$-2.6MFY 2018$-1.4MFY 2019$-1.2MFY 2020$-1.5MFY 2021$-2.0MFY 2022$-12.0MFY 2023$-15.2MFY 2024$-6.2MFY 2025$-6.3M
-$2.7M-$6.3M

Gross margin by year

2021 → 2025

FY 2021-8223.9%FY 2022-10.9%FY 2023-1071.3%FY 2024-1010.4%FY 202522.1%
-8223.9%22.1%

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: 40-F/A filed Jun 26, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 6-K filingCommercialization AgreementJun 29, 2026Filing
  • 6-K filingJoint Venture FormationJun 26, 2026Filing
  • Annual report40-F FiledJun 26, 2026Filing
  • Annual report40-F FiledJun 25, 2026Filing
  • 6-K filingPatent GrantedJun 9, 2026Filing
  • 6-K filingCapital RaiseMay 27, 2026Filing
  • 6-K filingProduct Availability AnnouncementMay 13, 2026Filing
  • 6-K filingRegulatory UpdateMay 6, 2026Filing
  • 6-K filingEnvironmental Program LaunchApr 28, 2026Filing
  • 6-K filingMarket Research Study MandateApr 24, 2026Filing

Questions

Frequently asked questions

What is Zentek Ltd.'s market cap?

Zentek Ltd. (ZTEK) has a market capitalization of $63.2M.

What is ZTEK's P/E ratio?

A meaningful P/E ratio is not available for ZTEK — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

Are insiders buying ZTEK stock?

SEC Form 4 filings show no open-market insider buys at Zentek Ltd. in the last 90 days (0 sells).

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Timeline

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

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

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.