Our common stock is listed on The Nasdaq Capital Market under the
trading symbol “CERE”.
We have agreed that, without the prior written consent of the
representatives, on behalf of the underwriters, we will not, and
will not publicly disclose an intention to, during the period
ending 60 days after the date of this prospectus supplement,
(1) offer, pledge, sell, contract to sell, sell any option or
contract to purchase, purchase any option or contract to sell,
grant any option, right or warrant to purchase, lend, or otherwise
transfer or dispose of, directly or indirectly, any shares of our
common stock or any securities convertible into or exercisable or
exchangeable for shares of our common stock, (2) enter into
any swap or other arrangement that transfers to another, in whole
or in part, any of the economic consequences of ownership of our
common stock, whether any such transaction described in clause
(1) or (2) above is to be settled by delivery of common stock
or such other securities, in cash or otherwise, or (3) file
any registration statement with the SEC relating to the offering of
any shares of our common stock or any securities convertible into
or exercisable or exchangeable for common stock.
The restrictions described in the immediately preceding paragraph
do not apply to us in certain circumstances, including:
(1) the issuance by us of shares of common stock to be sold in this
offering;
(2) the issuance by us of shares of common stock upon the exercise
of an option pursuant to stock plans or a warrant or the conversion
of a security, in each case outstanding on the date of the
underwriting agreement and described in this prospectus
supplement;
(3) the grant or issuance by us, or exercise or settlement (in
cash, shares of common stock or otherwise) of options, restricted
stock awards, restricted stock units or any other type of equity
award to our employees, officers, directors, advisors, or
consultants pursuant to the terms of an employee benefit plan
described in this prospectus supplement;
(4) our filing of a registration statement with the Securities and
Exchange Commission on Form S-8 with respect to employee benefit
plans issued under stock plans described in this prospectus
supplement;
(5) the sale or issuance of or entry into an agreement to sell or
issue shares of common stock or securities convertible into or
exercisable for common stock by us in connection with any
(a) merger, (b) acquisition of securities, businesses,
property or other assets, (c) joint ventures,
(d) strategic alliances, (e) equipment leasing
arrangements or (f) any term loan or revolving credit
facility, provided that the aggregate number of shares of common
stock or securities convertible into or exercisable for common
stock that we may issue pursuant to this clause (5) shall not
exceed 5% of the outstanding shares of our common stock immediately
following the closing of this offering, provided that such
recipients enter into a lock-up agreement with the
underwriters; and
(6) the issuance by us of the notes pursuant to the Concurrent
Convertible Notes Offering and the issuance of shares of our common
stock upon the conversion of any notes.
Our directors and officers and certain of our securityholders have
agreed that, subject to certain exceptions, without the prior
written consent of the representatives, on behalf of the
underwriters, they will not, during the period ending 60 days (or
45 days, in the case of Bain and Pfizer) after the date of this
prospectus supplement (the “restricted period”), (1) offer, pledge,
sell, contract to sell, sell any option or contract to purchase,
purchase any option or contract to sell, grant any option, right or
warrant to purchase, lend or otherwise transfer or dispose of,
directly or indirectly, any shares of our common stock beneficially
owned (as such term is used in Rule 13d-3 of the Exchange Act) or any other
or any securities convertible into or exercisable or exchangeable
for shares of common stock, (2) enter into any swap or other
arrangement (including, without limitation, any short sale or the
purchase or sale of, or entry into, any put or call option, or
combination thereof, forward, swap or any other derivative
transaction or instrument, however described or defined) which is
designed to or which reasonably
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