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                                                                    EXHIBIT 10.2

                   AMENDMENT TO REGISTRATION RIGHTS AGREEMENT

                                   AND WAIVER

     THIS AMENDMENT AND WAIVER dated as of May 12, 2003 is by and among
Cambridge Heart, Inc., a Delaware corporation (the "Company"), The Tail Wind
Fund Ltd. ("Tail Wind") and, except as to Paragraph 3 below, Robert P. Khederian
("Khederian").

     WHEREAS, the Company has entered into a certain Registration Rights
Agreement dated December 21, 2001 among the Company, Tail Wind and Khederian
(the "2001 Agreement");

     WHEREAS, the Company, Tail Wind and Khederian desire to amend the 2001
Agreement as set forth below;

     WHEREAS, the Company has entered into a certain Registration Rights
Agreement among the Company, Tail Wind, Special Situations Private Equity Fund,
L.P., Special Situations Fund III, L.P. and Geoffrey H. Galley dated June 8,
1999 (the "1999 Agreement");

     NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto, enter into
this Amendment and Waiver and agree as follows:

     1.   Paragraph (c) of Section 2 of the 2001 Agreement is hereby deleted and
amended and restated in its entirety to read as follows:

               (c) PAYMENTS BY THE COMPANY. The Company shall use its best
          efforts to cause the Registration Statement required to be filed
          pursuant to Section 2(a) hereof to become effective as soon as
          practicable, but in no event later than the ninetieth (90th) day
          following the Closing Date. At the time of effectiveness, the Company
          shall ensure such Registration Statement covers at least 2,212,643
          Registrable Securities. If (i) such Registration Statement covering
          all of the Registrable Securities is not declared effective by the SEC
          on or before the one hundred twentieth (120th) day following the
          Closing Date (the "REGISTRATION DEADLINE") or (ii) after such
          Registration Statement has been declared effective by the SEC, sales
          of any of the Registrable Securities required to be covered by such
          Registration Statement cannot be made pursuant to such Registration
          Statement (by reason of a stop order and/or because the Registration
          Statement contains misstatements or omissions due to the Company's
          failure to update the Registration Statement or because of any other
          reason outside the control of the Investors) at any time after the
          Registration Deadline hereunder, then the Company will make payments
          to the Investors in such amounts and at such times as shall be
          determined pursuant to this Section 2(c) as partial relief for the
          damages to the Investors by reason of any such delay in or reduction
          of their

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          ability to sell the Registrable Securities (which remedy shall not be
          exclusive of any other remedies available at law or in equity).
          Notwithstanding the foregoing, no payments shall accrue pursuant to
          this Section 2(c) during any "black-out" period permitted pursuant to
          Section 4(f). In the event the Investors fail to provide, within five
          (5) business days, information reasonably requested by the Company for
          inclusion in the Registration Statement or to provide their approval
          (or comments to) the Registration Statement (or any amendment or
          supplement thereto), there shall be a day-for-day extension of any
          period within which the Company is required to act hereunder, and no
          payments shall accrue during such extension pursuant to this Section
          2(c). The Company shall pay to each Investor an amount equal to the
          product of (i) the aggregate purchase price of the Common Stock
          purchased by such Investor (the "AGGREGATE SHARE PRICE"), multiplied
          by (ii) two hundredths (.02), for each thirty (30) day period (or
          portion thereof) (A) after the Registration Deadline and prior to the
          date the Registration Statement covering all of the Registrable
          Securities is declared effective by the SEC, and (B) during which
          sales of any Registrable Securities cannot be made pursuant to any
          such Registration Statement after the Registration Statement has been
          declared effective. (For example, if the Registration Statement
          covering all of the Registrable Securities is not effective by the
          Registration Deadline, the Company would pay $20,000 for each thirty
          (30) day period thereafter with respect to each $1,000,000 of
          Aggregate Share Price until the Registration Statement becomes
          effective.) Such amounts shall be paid in cash. Payments of cash
          pursuant hereto shall be made within five (5) days after the end of
          each period that gives rise to such obligation, provided that, if any
          such period extends for more than thirty (30) days, interim payments
          shall be made for each such thirty (30) day period.

     2.   Tail Wind and Khederian hereby waive their rights under Paragraph (c)
of Section 2 of the 2001 Agreement to receive liquidated damages because the
Common Stock of the Company is not listed or included for quotation on the
Nasdaq National Market, the Nasdaq SmallCap Market, the New York Stock Exchange
or the American Stock Exchange. This waiver does not constitute a waiver with
respect to any other liquidated damages provision of Paragraph (c) of Section 2
of the 2001 Agreement.

     3.   Tail Wind hereby waives its rights under Paragraph (c) of Section 2 of
the 1999 Agreement to receive liquidated damages because the Common Stock of the
Company is not listed or included for quotation on the Nasdaq National Market,
the Nasdaq SmallCap Market, the New York Stock Exchange or the American Stock
Exchange. This waiver does not constitute a waiver with respect to any other
liquidated damages provision of Paragraph (c) of Section 2 of the 1999
Agreement.

     4.   Except as set forth herein, the 2001 Agreement and the 1999 Agreement
shall remain in full force and effect without modification.

     4.   This Amendment and Waiver shall be governed by, and construed and
enforced in accordance with, the substantive laws of the State of Delaware
without regard to its principles of conflicts of laws.

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     5.   This Amendment and Waiver may be executed in more than one counterpart
and as so executed shall constitute a single instrument, notwithstanding that
all of the parties have not signed the same counterpart.

         [THE REMAINDER OF THIS PAGE HAS INTENTIONALLY BEEN LEFT BLANK.]

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     IN WITNESS WHEREOF, the Company, Tail Wind and Khederian have executed this
Amendment and Waiver as of the date first above written.

                                CAMBRIDGE HEART, INC.

                                By: /s David A. Chazanovitz
                                    -----------------------
                                   Name:  David A. Chazanovitz
                                   Title: President and Chief Executive Officer

                                THE TAIL WIND FUND LTD.

                                By: /s/ David Crook
                                   ----------------
                                   Name: David Crook
                                   Title:

                                 /s/ Robert P. Khederian
                                ---------------------------
                                Robert P. Khederian

                    [SIGNATURE PAGE TO AMENDMENT AND WAIVER]<Page>

                                                                    EXHIBIT 10.3

     AMENDMENT NO. 1 (this "Amendment"), dated as of May 12, 2003, to the
Warrant to purchase 82,500 shares of Common Stock, par value $0.001 per share,
of Cambridge Heart, Inc., a Delaware corporation (the "Company"), issued as of
September 14, 2000 (the "Warrant") to The Tail Wind Fund Ltd. (the
"Warrantholder").

     WHEREAS, the Company and the Warrantholder desire to amend the Warrant as
set forth below;

     NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged by each of the Company and the
Warrantholder, the Company and the Warrantholder hereby agree as follows:

     1.   The exercise price of $3.50 in the first sentence of the first
paragraph of the Warrant is hereby deleted and replaced with the exercise price
of $0.34.

     2.   Except as set forth herein, the Warrant shall remain in full force and
effect without modification.

     3.   This Amendment may be executed in more than one counterpart and as so
executed shall constitute a single instrument, notwithstanding that all of the
parties have not signed the same counterpart.

         [THE REMAINDER OF THIS PAGE HAS INTENTIONALLY BEEN LEFT BLANK.]

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     IN WITNESS WHEREOF, the Company and the Warrantholder have executed this
Amendment as of the date first above written.

                                THE TAIL WIND FUND LTD.

                                By: /s/ David Crook
                                   -----------------
                                   Name: David Crook
                                   Title:

                                CAMBRIDGE HEART, INC.

                                By: /s/ David A. Chazanovitz
                                    ------------------------
                                    Name:  David A. Chazanovitz
                                    Title: President and Chief Executive OfficerQuickLinks
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Exhibit 10.1  

 
  SECOND AMENDMENT TO THE
  WADDELL & REED FINANCIAL, INC.
  1998 STOCK INCENTIVE PLAN    
    

        Waddell & Reed Financial, Inc., a Delaware corporation (the "Company"), previously established the Waddell & Reed Financial, Inc. 1998
Stock Incentive Plan, as Amended and Restated, as further amended effective December 12, 2002 (as amended, the "Plan"). Pursuant to Section 11 of the Plan, the board of directors of the
Company (the "Board") reserves the right to amend the Plan. Pursuant to the powers reserved in the Plan and subject to the approval of the stockholders of the Company at the Company's 2003 Annual
Meeting of Stockholders, the Plan is amended effective January 16, 2003 as follows. 

	1.
	Section 4(a)
of the Plan is hereby restated in its entirety to read as follows:

	(a)
	Consultants,
officers and other key employees of the Company, its Subsidiaries or its Affiliates (but excluding members of the Committee and any Outside Director, except as provided
in Section 6 below) who are responsible for or contribute to the management, growth and/or profitability of the business of the Company, its Subsidiaries, or its Affiliates are eligible to be
granted Stock Options, Stock Appreciation Rights, Restricted Stock or Deferred Stock awards. Only employees of the Company and its Subsidiaries are eligible to be granted Incentive Stock Options. 

Except
as provided in Section 6, the optionees and participants under the Plan shall be selected from time to time by the Committee, in its sole discretion, from among those eligible, and the
Committee shall determine, in its sole discretion and subject to Section 4A(b), the number of shares covered by each award or grant. 

	2.
	Section 4A
is hereby added to the Plan to read as follows: 

Section 4A. Performance Awards and Award Limit.

	(a)
	Definitions.

	(i)
	Covered Employee.    "Covered Employee" means (A) the chief executive officer of the Company, and
(B) a person designated by the Committee, at the time of grant of Performance Awards, who the Committee believes is likely to be a "covered employee" (within the meaning of
Section 162(m)(3) of the Code) with respect to the fiscal year during which the Performance Award is granted or in the foreseeable future.

	(ii)
	Performance Award.    "Performance Award" means any Stock Option (other than an Incentive Stock Option), Stock
Appreciation Right, Restricted Stock or Deferred Stock award to a Covered Employee that the Committee intends to be performance-based compensation under Section 162(m)(4)(C) of the Code. The
Committee may grant an award under the Plan to a Covered Employee that is either a Performance Award or not a Performance Award.

	(iii)
	SAR/Option Performance Award.    "SAR/Option Performance Award" means any Performance Award that is a Stock
Option or Stock Appreciation Right.

	(iv)
	Stock Performance Award.    "Stock Performance Award" means any Performance Award other than a SAR/Option
Performance Award.

	(b)
	Individual Award Limitations.    In each calendar year during any part of which the Plan is in effect, a participant (i.e.,
any employee, consultant or officer, not only Covered Employees) may not be granted awards under the Plan (i.e., all awards to all employees, consultants and officers are subject to this
Section 4B(b), not only Performance Awards) that have, in the aggregate, more than 3,750,000 "Points," with each Stock Appreciation Right and Stock Option having one Point for each share of
Stock Option or Stock Appreciation Right granted with respect thereto, and each Stock award and Deferred Stock award having three Points with respect to each share of Stock granted with respect
thereto. (For illustrative purposes, a grant of a Stock Option for 10 shares of Stock has 10 Points, and a grant of ten shares of Restricted Stock has 30 Points.) If an award is canceled, the canceled
award continues to be counted against the maximum number of shares for which awards may be granted to the recipient under the Plan, as set forth in this Section 4A(b).

	(c)
	Performance Goals for Performance Awards.    Each Performance Award shall be structured so as to qualify as
"performance-based compensation" under Section 162(m)(4)(C) of the Code, as described below. 

 

	(i)
	SAR/Option Performance Awards.    The exercise price (in the case of a Stock Option) or the base price (in the
case of a Stock Appreciation Right) of an SAR/Option Performance Award shall not be less than 100 percent of the Fair Market Value of the Stock on the date of grant of such SAR/Option
Performance Award.

	(ii)
	Stock Performance Awards.    The grant, exercise and/or settlement of a Stock Performance Award shall be
contingent upon achievement of preestablished performance goals and other terms set forth in this Section 4A(c)(ii).

	(A)
	Performance Goals Generally.    The performance goals for such Performance Awards shall consist of one or more business
criteria and a targeted level or levels of performance with respect to each of such criteria, as specified by the Committee consistent with this Section 4A(c)(ii). Performance goals shall be
objective and shall otherwise meet the requirements of Section 162(m) of the Code, including the requirement that the level or levels of performance targeted by the Committee result in the
achievement of performance goals being "substantially uncertain." The Committee may determine that such Performance Awards shall be granted, exercised and/or settled upon achievement of any one
performance goal or that two or more of the performance goals must be achieved as a condition to grant, exercise and/or settlement of such Performance Awards. Performance goals may differ for
Performance Awards granted to any one recipient or to different recipients.

	(B)
	Business Criteria.    One or more of the following business criteria (including or excluding extraordinary and/or
non-recurring items to be determined by the Committee in advance) for the Company, on a consolidated basis, and/or for specified subsidiaries or business or geographical units of the
Company (except with respect to the total shareholder return and earnings per share criteria), shall be used by the Committee in establishing performance goals for such Performance Awards:
(I) earnings per share; (II) increase in revenues; (III) increase in cash flow; (IV) increase in cash flow return; (V) return on net assets; (VI) return on
assets (VII) return on investment; (VIII) return on capital; (IX) return on equity; (X) economic value added; (XI) operating margin; (XII) contribution
margin; (XIII) net income; (XIV) pretax earnings; (XV) pretax earnings before interest, depreciation and amortization; (XVI) pretax operating earnings after interest
expense and before incentives, service fees, and extraordinary or special items; (XVII) operating income; (XIII) total stockholder return; (XIX) debt reduction; and
(XX) any of the above goals determined on an absolute or relative basis, or as adjusted in any manner which may be determined in the discretion of the Committee, or as compared to the
performance of a published or special index deemed applicable by the Committee including, but not limited to, the Standard & Poor's 500 Stock Index or a group of competitor companies, including
the group selected by the Company for purposes of the stock performance graph contained in the proxy statement for the Company's annual meetings of stockholders.

	(C)
	Performance Period; Timing for Establishing Performance Goals.    Achievement of performance goals in respect of such
Performance Awards shall be measured over a performance period of up to ten years, as specified by the Committee. Performance goals shall be established not later than 90 days (or, if earlier,
the passage of 25% of the performance period) after the beginning of any performance period applicable to such Performance Awards, or at such other date as may be required or permitted for
"performance-based compensation" under Section 162(m) of the Code.

	(D)
	Settlement of Performance Awards; Other Terms.    After the end of each performance period, the Committee shall determine the
amount, if any, of such Performance Award payable to the Covered Employee. Settlement of such Performance Awards shall be in cash, Stock, other awards or other property, as determined in the sole
discretion of the Committee. The Committee may, in its discretion, reduce the amount of a settlement otherwise to be made in connection with such Performance Awards, but may not exercise discretion to
increase any such amount payable to a Covered Employee in respect of such Performance Award.

	(d)
	General.    The Committee shall retain full power and discretion to accelerate, waive or modify, at any time, any term or
condition of a Performance Award that is not mandatory under the Plan; provided, however, that notwithstanding any other provision of the Plan the Committee shall not have any 

2

 

discretion
to accelerate, waive or modify any term or condition of an award that is intended to qualify as "performance-based compensation" for purposes of Section 162(m) of the Code if such
discretion would cause the Performance Award not to so qualify. 

	(e)
	Written Determinations.    All determinations by the Committee as to the establishment of performance goals, the amount of
any potential individual Performance Awards, and the achievement of performance goals relating to Stock Performance Awards, shall be made in writing in the case of any award intended to qualify under
Section 162(m) of the Code. The Committee may not delegate any responsibility relating to Performance Awards. The determination as to whether any performance goal, with respect to any award,
has been satisfied shall be made prior to the payment of any compensation relating to an award.

	(f)
	Performance Awards under Section 162(m) of the Code.    It is the intent of the Company that Performance Awards
granted to persons who are or likely will become "covered employees" (within the meaning of Section 162(m) of the Code) shall constitute "performance-based compensation" within the meaning of
Section 162(m) of the Code. Accordingly, the terms of this Section 4A, including the definitions of Covered Employee and other terms used herein, shall be interpreted in a manner
consistent with Section 162(m) of the Code. If any provision of the Plan as in effect on the date of adoption or any agreements relating to Performance Awards that are designated as intended to
comply with Section 162(m) of the Code does not comply or is inconsistent with the requirements of Section 162(m) of the Code, then such provision shall be construed or deemed amended to
the extent necessary to conform to such requirements."

	(g)
	Conflicts Among Plan Provisions.    To the extent this Section 4A conflicts with another provision of the Plan, this
Section 4A shall control.

	3.
	If
this Amendment is approved at the Company's 2003 Annual Meeting of Stockholders, the Plan shall remain in full force and effect as amended hereby. If this Amendment is not approved
at the Company's 2003 Annual Meeting of Stockholders, the Board shall amend the Plan to prohibit the grant of Restricted Stock and Deferred Stock (as such terms are defined in the Plan) to Covered
Employees (as such term is defined in this Amendment).

	4.
	Except
as hereby amended, the Plan shall remain in full force and effect. 

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SECOND AMENDMENT TO THE WADDELL & REED FINANCIAL, INC. 1998 STOCK INCENTIVE PLAN

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