Supplement No. 1
to
Prospectus Dated January 14, 1994
1,800,000 Shares of
Biogen, Inc.
Common Stock
($.01 par value)
This Prospectus Supplement No. 1 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
August 17, 1995
<PAGE>
Selling Stockholders
On August 15, 1995, Bear Stearns & Co., Inc. ("Bear Stearns")
purchased from the Registered Holder 250,000 of the Shares at a net price of
$50.50. On August 16, 1995, Bear Stearns purchased from the Registered Holder
300,000 of the Shares at a net price of $ 52.2083. 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.prospsup.895
