ALT5 Sigma Under Investigation, Shares Plunge 29.2%
Written by Emily J. Thompson, Senior Investment Analyst
Source: Newsfilter
Updated: 1 day ago
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Source: Newsfilter
- Legal Investigation Initiated: ALT5 Sigma Corp is under investigation by Kirby McInerney LLP for potential violations of federal securities laws, which could expose the company to significant legal risks.
- Stock Price Volatility: Following the announcement of criminal liability for its subsidiary, ALT5's stock plummeted from $7.88 to $5.58, a 29.2% drop, indicating a severe loss of investor confidence in corporate governance.
- Executive Changes: On October 22, 2025, the company suspended CEO Peter Tassiopoulos, with CFO Jonathan Hugh taking over, leading to an additional 8.8% decline in stock price, reflecting investor unease regarding management stability.
- Audit Delays: ALT5 disclosed on November 12, 2025, that it would not file its quarterly report on time due to audit delays, exacerbating market concerns over financial transparency and potentially impacting future financing capabilities.
ALTS.O$0.0000%Past 6 months

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About ALTS
ALT5 Sigma Corporation is a fintech company providing blockchain-powered technologies for tokenization, trading, clearing settlement, payment and safe keeping of digital assets. The Company, through its subsidiary, ALT5 Sigma, Inc., provides blockchain-powered technologies to enable migration to a global financial paradigm. It offers two platforms to its customers: ALT5 Pay and ALT5 Prime. ALT5 Pay is a cryptocurrency payment gateway that enables registered and approved global merchants to accept and make cryptocurrency payments or to integrate the ALT5 Pay payment platform into their application or operations using the plugin with WooCommerce and or ALT5 Pay's checkout widgets and APIs. ALT5 Prime is an electronic over-the-counter trading platform that enables registered and approved customers to buy and sell digital assets. The Company also owns Mswipe, which is a payment solutions provider offering multi-currency, fiat payment card services along with crypto-enabled capabilities.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.