ACTON, MA-The leases help to bolster the sagging occupancy rate in the 495 North market. The technology firms are cashing in, getting low rental rates in class A space.

WESTBOROUGH, MA-Rreef deals the 102,000-sf building to locally based investor. The property is fully leased to American Superconductor through May 2009.

CAMBRIDGE, MA-The ready-to-go office space provider inks a renewal and expansion lease for 30,000-sf.

CAMBRIDGE, MA-The ready-to-go office space provider inks a renewal and expansion lease for 30,000-sf.

BURLINGTON, MA-Business school takes 30,000-plus sf to establish fourth campus in the Bay State. Recent leasing activity has boosted the occupancy rate for the building to 93%.

METHUEN, MA-Crown Cork & Seal takes 85,000 sf and Mattress Giant takes another 65,000 sf. The site is now 100% leased.

BOSTON-Four investors add $27 million to the fund, which is expected to close in the second quarter. Intercontinental is also in negotiations for 95 Berkeley St.

NORTHBOROUGH, MA-Invesco closes on one warehouse/distribution center in Franklin and will close on another here by the end of the month. The two properties total nearly 500,000 sf.