IPOS-1 filedSaaS-Security Startup Spin AI Files S-1 for an IPOSpin AI, which builds AI-driven security and data-protection software for SaaS applications, filed a Form S-1 with the SEC to go public. The filing adds an enterprise-security name to a widening IPO pipeline, riding demand for tools that protect the sprawling stack of cloud apps companies now run.Jun 23, 2026