Company Description
ZeroStack (NASDAQ: ZSTK) is classified in the asset management industry within the Wholesale-drugs, Proprietaries & Druggists' Sundries sector and carries a market capitalization of $94.6M, ranking #5,332 among all listed U.S. companies by market cap.
For FY2025, ZeroStack reported revenue of $35.7M with net income of -$119.7M and diluted earnings per share of -$43.49. The company operates at a net profit margin of -335.6%.
This page collects what Stock Titan holds for ZSTK, including price data, latest news, SEC filings, insider trading activity, financial highlights, upcoming events, and short interest trends.
Stock Performance
ZeroStack (ZSTK) stock last closed at $5.41. At a market capitalization of $94.6M, ZSTK is classified as a micro-cap stock with approximately 17.5M shares outstanding.
ZSTK Rankings
Latest News
ZeroStack has 9 recent news articles, with the latest published 5 days ago. Of the recent coverage, 6 articles coincided with positive price movement and 2 with negative movement. Key topics include crypto. View all ZSTK news →
SEC Filings
ZeroStack has filed 5 recent SEC filings, including 4 Form POS AM, 1 Form S-3. The most recent filing was submitted on August 28, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all ZSTK SEC filings →
Insider Radar
Insider buying activity at ZeroStack over the past 90 days may reflect management confidence in the company's direction. Institutional investors and analysts often monitor insider purchases as a potential bullish indicator for the stock.
Financial Highlights
ZeroStack generated $35.7M in revenue in FY2025, retaining a 4.6% gross margin, operating income reached -$154.7M (-433.5% operating margin), and net income was -$119.7M, reflecting a -335.6% net profit margin. Diluted earnings per share stood at -$43.49. The company generated -$8.7M in operating cash flow. With a current ratio of 1.01, the company maintains adequate short-term liquidity.
Upcoming Events
Short Interest History
Short interest in ZeroStack (ZSTK) currently stands at 28.0 thousand shares, down 35.2% from the previous reporting period, representing 0.3% of the float. Since January 2026, short interest has decreased by 78.6%. This relatively low short interest suggests limited bearish sentiment.
Days to Cover History
Days to cover for ZeroStack (ZSTK) currently stands at 1.3 days, up 25.2% from the previous period. This low days-to-cover ratio indicates high liquidity, allowing short sellers to quickly exit positions if needed. The days to cover has increased 34% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 1.0 to 8.8 days.
ZSTK Company Profile & Sector Positioning
ZeroStack (ZSTK) operates in the Asset Management industry within the broader Wholesale-drugs, Proprietaries & Druggists' Sundries sector and is listed on the NASDAQ.