Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 182, § 4

The trustees of an association or trust who own or control a majority of the capital stock of a railroad, street railway, electric railroad, elevated railway, gas, electric or water company, or corporation engaged in the common carriage of passengers by motor vehicle shall annually on or before April first file with the secretary and with the department a statement showing the number of shares of such company or corporation owned or controlled by them and the stockholders of record on the books of such company or corporation in whose names such shares are held. Every such trustee who fails to comply with this section shall be punished by a fine of not more than five hundred dollars or by imprisonment for three months.