National
Apr 20, 2026
Kent Security sues Sapir Org over alleged unpaid fees at Madison Ave offices
Alexander family’s firm alleges $400K+ in outstanding invoices
Sapir Organization
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New York
Oct 28, 2025
Sapir selling struggling Madison Ave office building for $217M
AmTrustRE in contract to buy 260 Madison Ave
New York
Jul 28, 2020
The Sapir & Rosen feud: Theft and betrayal at a family real estate empire
Alex Sapir and Rotem Rosen’s yearslong battle escalated with Sapir’s $100M lawsuit against his former business partner and brother-in-law. Rosen fired back with a $60M suit of his own