US-based online bookstore LibreDigital's regulatory filing last month said it had closed $1.35m of its planned $.05m round.

US-based online bookstore LibreDigital has reportedly raised $4m.

The company’s regulatory filing last month said it had closed $1.35m of its planned $.05m round.

In May, LibreDigital raised $8.1m in third-round funding.

The series C round was led by venture capital firms S3 Ventures, as a new investor, and repeat VC backers Adams Capital Management and Triangle Peak Partners. Previous investors have included HarperCollins Publishers, The New York Times Company and Noro-Moseley Partners.

Press reports said LibreDigital was founded…