The transaction involves the office asset located at 303 2nd Street, San Francisco, CA. The property encompasses 68,942 square feet within a prominent office tower in the city’s SoMa district.

Summary of transaction details:

• Property Type: Office
• Transaction Amount: Not specified
• Address: 303 2nd Street
• Market: San Francisco, CA
• Square Footage: 68,942
• Landlord: Angela M. Aman - Kilroy
• Tenant: Harrison Chase - LangChain

In this lease transaction, LangChain subleased the space from Kilroy Realty, marking a significant expansion for the tenant following its recent unicorn valuation. The involvement of both parties highlights the ongoing leasing activity typical within the city's core tech office market, particularly among AI firms as they grow their physical presence.