Supplement No. 6
to
Prospectus Dated January 14, 1994
1,800,000 Shares of
Biogen, Inc.
Common Stock
($.01 par value)
This Prospectus Supplement No. 6 supplements the
Prospectus (the "Prospectus") dated January 14, 1994,
included in a Registration Statement on Form S-3, No. 33-
51639, filed with the Securities and Exchange Commission on
December 21, 1993 (the "Registration Statement"). Reference
is made to the Registration Statement, the information
incorporated therein by reference and exhibits thereto for
further information with respect to the business and
operations of Biogen, Inc. and the shares of Common Stock
covered by the Prospectus. Capitalized terms not otherwise
defined herein have the meanings ascribed to them in the
Prospectus.
The date of this Prospectus Supplement is
October 19, 1995
<PAGE>
Selling Stockholders
On October 19, 1995, Bear Stearns & Co., Inc. ("Bear
Stearns") purchased from the Registered Holder 275,000 of the
Shares at a net price of $59.8864. Bear Stearns will resell
the purchased Shares in any manner in which the Registered
Holder could sell such Shares pursuant to the Prospectus. Any
compensation in the form of discounts, fees or commissions
from the Registered Holder and any profits on the sale of such
Shares may be deemed underwriting discounts and commissions.
cook.sec.prospsup6
