SpaceX S-1: xAI had a $6.4B operating loss on $3.2B in revenue in 2025; Grok and X had 550M MAUs combined as of March 2026, and 117M used Grok's AI features Rebecca Bellan /TechCrunch: TechCrunch 2026-05-21 Rebecca Bellan SpaceX, xAI, Rebecca Bellan, Grok, Grok and X Related Coverage SpaceX files IPO paperwork with SEC, targets Nasdaq under SPCX Yahoo Finance · Anthony Lopopolo The SpaceX IPO prospectus offers a fascinating window into the spectacular death of Twitter Fast Company · Christopher Zara X Has 550 Million Active Users, Grok's ‘Spicy Mode’ May Cause ‘Reputational Harm’: SpaceX IPO Filing Forbes · Siladitya Ray SpaceX warns investors about risks linked to Grok's explicit AI content before IPO Digit · Ayushi Jain