I went unit by unit through 301 East 66th Street, a building Jeffrey Epstein's family controlled through the 90s and 2000s, and found the same pattern almost everywhere: a real person living in the apartment, and a completely unrelated-looking shell company registered at that same address.
Sarah Kellen's unit (14G) had a company named for her own initials sitting on it, later used to file actual H-1B visa petitions.
Karyna Shuliak's unit (8H) is confirmed by years of retail shipping records, no shell at all.
And in 10F, a 2011 corporate filing has Ghislaine Maxwell signing as the sole director of a company holding a stake in a private jet, four years before her name became public.
The names that keep showing up (Darren Indyke, Richard Kahn) aren't tenants, they're the officers and signatories connecting the shells to each other.
Mapped it out floor by floor using litigation exhibits, NYC tax records, and corporate filings: https://sororfv.substack.com/p/paper-addresses-the-shell-companies