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ZeroStack Corp. (ZSTK)

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

ZeroStack Corp. (ZSTK) is a Asset Management company based in CA with a market capitalization of $4.6M. Revenue declined 40.0% year-over-year and free cash flow was negative at -$8.8M. This page tracks ZSTK's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

CA · 64 employees · IPO May 11, 2021

Valuation

Valuation & price

$4.28 · as of May 17, 2026 · -87.2% vs 52w high

—

P/E ratio

Latest-FY diluted EPS

0.07

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$33.51$18.43$3.35Jul 25Dec 25Jul 26Jul 7, 25$22.78Jul 9, 25$24.76Jul 11, 25$26.72Jul 15, 25$26.13Jul 17, 25$24.61Jul 21, 25$25.27Jul 23, 25$23.79Jul 25, 25$23.99Jul 29, 25$25.35Jul 31, 25$22.93Aug 4, 25$21.47Aug 6, 25$19.19Aug 11, 25$20.60Aug 13, 25$19.98Aug 15, 25$24.30Aug 19, 25$18.78Aug 21, 25$19.92Aug 25, 25$20.64Aug 27, 25$22.07Aug 29, 25$20.45Sep 3, 25$22.55Sep 5, 25$22.50Sep 9, 25$22.30Sep 11, 25$23.80Sep 16, 25$27.90Sep 18, 25$25.77Sep 22, 25$33.51Sep 24, 25$22.54Sep 26, 25$21.10Sep 30, 25$17.27Oct 2, 25$18.03Oct 6, 25$19.77Oct 8, 25$19.23Oct 10, 25$17.10Oct 14, 25$19.41Oct 16, 25$19.00Oct 21, 25$17.20Oct 23, 25$13.87Oct 27, 25$11.67Oct 29, 25$10.35Oct 31, 25$9.53Nov 4, 25$9.38Nov 6, 25$8.06Nov 10, 25$8.10Nov 12, 25$8.41Nov 14, 25$7.84Nov 18, 25$7.46Nov 20, 25$6.88Nov 25, 25$7.79Nov 28, 25$8.26Dec 2, 25$8.39Dec 4, 25$10.45Dec 8, 25$9.20Dec 10, 25$9.51Dec 12, 25$9.74Dec 16, 25$8.84Dec 18, 25$7.63Dec 22, 25$7.55Dec 24, 25$7.36Dec 29, 25$6.90Jan 2, 26$6.85Jan 6, 26$7.09Jan 8, 26$7.06Jan 12, 26$7.16Jan 14, 26$6.30Jan 16, 26$6.57Jan 21, 26$6.77Jan 23, 26$6.70Jan 27, 26$10.97Jan 29, 26$11.80Feb 2, 26$7.79Feb 4, 26$8.20Feb 9, 26$10.18Feb 11, 26$9.10Feb 13, 26$9.71Feb 18, 26$8.50Feb 20, 26$8.31Feb 24, 26$8.82Feb 26, 26$8.03Mar 2, 26$7.22Mar 4, 26$6.99Mar 6, 26$6.69Mar 10, 26$7.00Mar 12, 26$7.01Mar 17, 26$8.73Mar 19, 26$8.21Mar 23, 26$8.59Mar 25, 26$8.15Mar 27, 26$6.28Mar 31, 26$6.18Apr 2, 26$5.62Apr 7, 26$4.83Apr 9, 26$4.92Apr 13, 26$5.60Apr 15, 26$6.10Apr 17, 26$7.51Apr 22, 26$7.49Apr 24, 26$6.68Apr 28, 26$6.33Apr 30, 26$5.96May 4, 26$4.97May 6, 26$5.20May 8, 26$5.50May 12, 26$5.35May 14, 26$4.05May 18, 26$4.05May 20, 26$4.20May 22, 26$4.28May 28, 26$4.56Jun 1, 26$4.77Jun 3, 26$4.90Jun 5, 26$4.82Jun 9, 26$4.75Jun 11, 26$4.89Jun 15, 26$4.92Jun 17, 26$4.06Jun 22, 26$4.04Jun 24, 26$3.56Jun 26, 26$3.43Jul 2, 26$3.35
$3.0052-week range$33.51
Loading valuation history…

Fundamentals

Key fundamentals

$4.6M

Market cap

-40.0%

Revenue growth (YoY)

-13.5%

Gross margin

-$8.8M

Free cash flow (USD)

$48.3M

Net debt

-77.6%

Share dilution

1/4

Graham criteria passed

Defensive-investor screen

Financial Services

Sector

Trajectory

Long-term trends

Revenue by year

2019 → 2025

FY 2019$0.00FY 2020$106.0KFY 2021$9.0MFY 2022$33.4MFY 2023$76.1MFY 2024$59.5MFY 2025$35.7M
$0$35.7M

Free cash flow by year

2019 → 2025

FY 2019$-594.0KFY 2020$-8.7MFY 2021$-24.6MFY 2022$-17.2MFY 2023$-8.6MFY 2024$-5.2MFY 2025$-8.8M
-$594K-$8.8M

Gross margin by year

2021 → 2025

FY 202127.0%FY 202239.7%FY 202323.3%FY 202421.0%FY 2025-13.5%
27.0%-13.5%

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: 10-Q filed May 4, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventStock Option AwardMay 6, 2026Filing
  • Quarterly report10-Q FiledMay 4, 2026Filing
  • 8-K eventSecurities Contribution AgreementMar 31, 2026Filing

Questions

Frequently asked questions

What is ZeroStack Corp.'s market cap?

ZeroStack Corp. (ZSTK) has a market capitalization of $4.6M.

What is ZSTK's P/E ratio?

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

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

ZSTK trades at 0.07 times book value per share.

Are insiders buying ZSTK stock?

SEC Form 4 filings show no open-market insider buys at ZeroStack Corp. 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.