Photo courtesy Newmark Knight Frank

A pair of Riverworks at Aetna Mills tenants in Watertown have signed lease extensions with landlord Paradigm Properties totaling nearly 47,000 square feet.

Former subtenants, Markforged – an industrial 3D printer manufacturer and InCrowd – a provider of pharma intelligence both extended their 36,291- and 10,675-square-foot leases respectively on a direct basis.

Newmark Knight Frank Executive Managing Director Mark Roth, Associate Brianna Piacitelli, and Managing Directors Brendan Daly and Matthew Malatesta represent the ownership in the transactions. JLL’s Chris Lawrence represented Markforged and T3 Advisors’ Brooke Blue represented InCrowd in the leases.

Watertown’s office vacancy rate is 2.4 percent with asking rents averaging $40 per square foot, according to NFK research.