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Jack Brennan
Jack Brennan

Senior Leasing Associate, Sage realty

Member since March 2025

Volume

Sold

Financed

3

Closed

225K sf

Area
LEASED

Insight Global Leases 32000 Square Feet At Sage's 437 Madison Avenue In Midtown East

$79/SF

437 Madison Avenue, New York, NY

NYCRE
Frank Doyle
Kyle Riker
Justin Haber
Sep 24, 2025
LEASED

Gregory Manto Of Iron Birch Advisors Signs Seven-Year Lease At 777 3rd Avenue In Midtown East

777 3rd Avenue, New York, NY

NYCRE
Michael Lenchner
Jeffrey Zund
Jack Brennan
Apr 3, 2025

Santander Bank Signs Lease For 191667 Square Feet At 437 Madison Avenue New York City

437 Madison Avenue, New York, NY

NYCRE
Michael Lenchner
Arthur Mirante
Mitti Liebersohn
Mar 18, 2025