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 $1.7M. 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
$4.28as of May 17, 2026· -87.2% vs 52w high
—
P/E ratio
Latest-FY diluted EPS
0.02
P/B ratio
Market cap ÷ book equity
—
Dividend yield
Price — last 12 months
Fundamentals
Key fundamentals
$1.7M
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
Free cash flow by year
2019 → 2025
Gross margin by year
2021 → 2025
Value screen
Graham defensive-investor tests
1
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 eventJul 23, 2026Filing
Acquisition Completed
- Insider buyJul 20, 2026Filing
Insider Buy $3.5MHeinrich Michael · Director, Executive Chairman · $3.5M
- 8-K eventJul 20, 2026Filing
By-Law Adoption
- 8-K eventMay 6, 2026Filing
Stock Option Award
- Quarterly reportMay 4, 2026Filing
10-Q Filed
- 8-K eventMar 31, 2026Filing
Securities Contribution Agreement
Questions
Frequently asked questions
What is ZeroStack Corp.'s market cap?
ZeroStack Corp. (ZSTK) has a market capitalization of $1.7M.
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 0.02 times book value per share.
Are insiders buying ZSTK stock?
Yes — SEC Form 4 filings show 1 open-market insider buy and 0 sells at ZeroStack Corp. in the last 90 days.
Same arena
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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.