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Exhibit 10.4.2

STOCK OPTION AGREEMENT

        Pursuant to the Grant Notice and this Stock Option Agreement, the
Company has granted you an option to purchase the number of shares of the
Company's common stock ("Common Stock") indicated in the Grant Notice at the
exercise price indicated in the Grant Notice.

        Your option is granted in connection with and in furtherance of the
Company's 2001 Stock Option Plan (the "Plan") for the Company's employees
(including officers), directors or consultants. Defined terms not explicitly
defined in this Stock Option Agreement but defined in the Plan shall have the
same definitions as in the Plan.

        The details of your option are as follows:

        1.    VESTING. Subject to the limitations contained herein, your option
will vest as provided in the Grant Notice, provided that vesting will cease upon
the termination of your Continuous Status as an Employee, Director or
Consultant. The vesting schedule requires continued employment or service
through each applicable vesting date as a condition to the vesting of the
applicable installment of the options and the rights and benefits under this
Stock Option Agreement. Employment or service, even if substantial, for only a
portion of a vesting period will not entitle you to any proportionate vesting or
avoid or mitigate a termination of rights and benefits upon or following a
termination of employment or service as provided herein.

        2.    METHOD OF PAYMENT.

        (a)  Payment Options. Payment of the exercise price by cash or check is
due in full upon exercise of all or any part of your option, provided that you
may elect, to the extent permitted by applicable law and the Grant Notice, to
make payment of the exercise price under one of the following alternatives:

          (i)  Payment pursuant to a program developed under Regulation T as
promulgated by the Federal Reserve Board which, prior to the issuance of Common
Stock, results in either the receipt of cash (or check) by the Company or the
receipt of irrevocable instructions to pay the aggregate exercise price to the
Company from the sales proceeds;

        (ii)  Provided that at the time of exercise the Company's Common Stock
is publicly traded and quoted regularly in the Wall Street Journal, payment by
delivery of already-owned shares of Common Stock, held for the period required
to avoid a charge to the Company's reported earnings, and owned free and clear
of any liens, claims. encumbrances or security interests, which Common Stock
shall be valued at its fair market value on the date of exercise; or

        (iii)  Payment by a combination of the above methods.

        3.    WHOLE SHARES; RIGHTS WITH RESPECT TO SHARES. Your option may only
be exercised for whole shares. You will have no rights or privileges of a
stockholder of the Company as to any shares underlying the option until the
issuance and delivery of a certificate evidencing the shares registered in your
name following the exercise of the option. No adjustment will be made for
dividends or other rights as to a stockholder for which a record date is prior
to such date of delivery.

        4.    SECURITIES LAW COMPLIANCE. Notwithstanding anything to the
contrary contained herein, your option may not be exercised unless the shares
issuable upon exercise of your option are then registered under the Securities
Act of 1933, as amended (the "Securities Act"), or, if such shares are not then
so registered, the Company has determined that such exercise and issuance would
be exempt from the registration requirements of the Securities Act.

        5.    TERM. Subject to Section 12 of the Plan, the term of your option
commences on the Date of Grant and expires upon the earliest of:

          (i)  the Expiration Date indicated in the Grant Notice;

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        (ii)  the tenth (10th) anniversary of the Date of Grant;

        (iii)  eighteen (18) months after your death, if you die during, or
within three (3) months after the termination of your Continuous Status as
Employee, Director or Consultant;

        (iv)  twelve (12) months after the termination of your Continuous Status
as Employee, Director or Consultant due to disability;

        (v)  immediately after the termination of your Continuous Status as
Employee, Director or Consultant for Cause; or

        (vi)  three (3) months after the termination of your Continuous Status
as an Employee, Director or Consultant for any other reason, provided that if
during any part of such three (3)-month period the option is not exercisable
solely because of the condition set forth in paragraph 5 (Securities Law
Compliance), in which event the option shall not expire until the earlier of the
Expiration Date or until it shall have been exercisable for an aggregate period
of three (3) months after the termination of Continuous Status as an Employee,
Director or Consultant.

        For these purposes, "Cause" shall include, but not be limited to, the
commission of any act of fraud, embezzlement or dishonesty, any unauthorized use
or disclosure of confidential information or trade secrets of the Company or any
of its Affiliates, or any other intentional misconduct adversely affecting the
business or affairs of the Company or any of its Affiliates in a material
manner. The foregoing definition shall not be deemed to be inclusive of all the
acts or omissions which the Company may consider as ground for your dismissal or
discharge.

        In all cases, the option, to the extent not exercisable on the date your
Continuous Status as an Employee, Director or Consultant terminates (regardless
of the reason), shall terminate on that date.

        To obtain the federal income tax advantages associated with an
"incentive stock option" (to the extent your option is intended and qualifies as
an incentive stock option) the Code requires that at all times beginning on the
grant date of the option and ending on the day three (3) months before the date
of the option's exercise, you must be an employee of the Company or one of its
Affiliates, except in the event of your death or permanent and total disability.
The Company cannot guarantee that your option will be treated as an "incentive
stock option" if you exercise your option more than three (3) months after the
date your employment with the Company and its Affiliates terminates.

        6.    EXERCISE.

        (a)  You may exercise the vested portion of your option during its term
by delivering a notice of exercise (in a form designated by the Company)
together with the exercise price to the Secretary of the Company, or to such
other person as the Company may designate, during regular business hours,
together with such additional documents as the Company may then require.

        (b)  By exercising your option you agree that:

          (i)  as a condition to any exercise of your option, the Company may
require you to enter an arrangement providing for the payment by you to the
Company of any tax withholding obligation of the Company (and/or any of its
Affiliates) arising by reason of (1) the exercise of your option; (2) the lapse
of any substantial risk of forfeiture to which the shares are subject at the
time of exercise; or (3) the disposition of shares acquired upon such exercise;
and

        (ii)  you will notify the Company in writing within fifteen (15) days
after the date of any disposition of any of the shares of the Common Stock
issued upon exercise of an incentive stock option that occurs within two
(2) years after the Date of Grant or within one (1) year after such shares of
Common Stock are transferred upon exercise of your option.

        7.    TRANSFERABILITY. Your option is not transferable, except by will
or by the laws of descent and distribution, and is exercisable during your life
only by you. Notwithstanding the foregoing, by

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delivering written notice to the Company, in a form satisfactory to the Company,
you may designate a third party who, in the event of your death, shall
thereafter be entitled to exercise your option.

        8.    OPTION NOT A SERVICE CONTRACT. Your option is not an employment
contract and nothing in your option shall be deemed to create in any way
whatsoever any obligation on your part to continue in the employ of the Company
or one of its Affiliates, or of the Company and its Affiliates to continue your
employment with the Company or any of its Affiliates. In addition, nothing in
your option shall obligate the Company, any Affiliate, and their respective
shareholders, board of directors, officers or employees to continue any
relationship which you might have as a director or consultant for the Company or
one of its Affiliates.

        9.    NOTICES. Any notices provided for in your option or the Plan shall
be given in writing and shall be deemed effectively given upon receipt or, in
the case of notices delivered by the Company to you, five (5) days after deposit
in the United States mail, postage prepaid, addressed to you at the last address
you provided to the Company.

        10.  GOVERNING PLAN DOCUMENT. Your option is subject to all the
provisions of the Plan, the provisions of which are hereby made a part of your
option, including without limitation the provisions of the Plan relating to
option provisions, and is further subject to all interpretations, amendments,
rules and regulations which may from time to time be promulgated and adopted
pursuant to the Plan. In the event of any conflict between the provisions of
your option and those of the Plan, the provisions of the Plan shall control.
Unless otherwise expressly provided in this Stock Option Agreement, provisions
of the Plan that confer discretionary authority on the Board (or a committee
thereof) do not (and shall not be deemed to) create any additional rights for
you not expressly set forth in this Stock Option Agreement.

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Exhibit 10.4.2

STOCK OPTION AGREEMENT