2006 Employee Stock Purchase Plan



 Exhibit 10.4 
 CARDIOMEMS, INC. 
 2006 EMPLOYEE STOCK
PURCHASE PLAN 
 ADOPTED BY THE BOARD
OF DIRECTORS: DECEMBER 20, 2006 
 APPROVED BY
THE STOCKHOLDERS: MARCH 16, 2007 
 1. GENERAL. 
 (a) The purpose of the Plan is to provide a means by which Employees of the Company and certain designated Related Corporations may be given an
opportunity to purchase shares of the Common Stock of the Company. 
 (b) The Company, by means of the Plan, seeks to retain the
services of such Employees, to secure and retain the services of new Employees and to provide incentives for such persons to exert maximum efforts for the success of the Company and its Related Corporations. 
 (c) The Company intends that the Purchase Rights be considered options issued under an Employee Stock Purchase Plan. 
 2. ADMINISTRATION. 
 (a) The
Board shall administer the Plan unless and until the Board delegates administration of the Plan to a Committee, as provided in Section 2(c). 
 (b) The Board shall have the power, subject to, and within the limitations of, the express provisions of the Plan: 
 (i)
To determine when and how Purchase Rights to purchase shares of Common Stock shall be granted and the provisions of each Offering of such Purchase Rights (which need not be identical). 
 (ii) To designate from time to time which Related Corporations of the Company shall be eligible to participate in the Plan. 
 (iii) To construe and interpret the Plan and Purchase Rights, and to establish, amend and revoke rules and regulations for its administration. The
Board, in the exercise of this power, may correct any defect, omission or inconsistency in the Plan, in a manner and to the extent it shall deem necessary or expedient to make the Plan fully effective. 
 (iv) To adopt such procedures and sub-plans as are necessary or appropriate to permit participation in the Plan by Employees who are foreign
nationals or employed outside the United States. 
 (v) To amend the Plan as provided in Section 13. 
  

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 (vi) Generally, to exercise such powers and to perform such acts as it deems necessary or
expedient to promote the best interests of the Company and its Related Corporations and to carry out the intent that the Plan be treated as an Employee Stock Purchase Plan. 
 (c) The Board may delegate some or all of the administration of the Plan to a Committee or Committees. If administration is delegated to a
Committee, the Committee shall have, in connection with the administration of the Plan, the powers theretofore possessed by the Board that have been delegated to the Committee, including the power to delegate to a subcommittee any of the
administrative powers the Committee is authorized to exercise (and references in this Plan to the Board shall thereafter be to the Committee or subcommittee), subject, however, to such resolutions, not inconsistent with the provisions of the Plan,
as may be adopted from time to time by the Board. The Board may retain the authority to concurrently administer the Plan with the Committee and may, at any time, revest in the Board some or all of the powers previously delegated. 
 (d) All determinations, interpretations and constructions made by the Board in good faith shall not be subject to review by any person and shall
be final, binding and conclusive on all persons. 
 3. SHARES OF COMMON STOCK
SUBJECT TO THE PLAN. 
 (a) Subject to the provisions of
Section 12(a) relating to Capitalization Adjustments, the shares of Common Stock that may be sold pursuant to Purchase Rights shall not exceed in the aggregate one hundred thirty-three thousand three hundred thirty-three (133,333) shares
of Common Stock. In addition, the number of shares of Common Stock available for issuance under the Plan shall automatically increase on January 1st of each year, commencing in 2008 and ending on (and including) January 1, 2016, in an
amount equal to the lesser of (i) one and one-half percent (1.5%) of the total number of shares of Common Stock outstanding on December 31st of the preceding calendar year, or (ii) eight hundred thirty-three thousand three
hundred thirty-three (833,333) shares of Common Stock. Notwithstanding the foregoing, the Board may act prior to the first day of any calendar year, to provide that there shall be no increase in the share reserve for such calendar year or that
the increase in the share reserve for such calendar year shall be a lesser number of shares of Common Stock than would otherwise occur pursuant to the preceding sentence. 
 (b) If any Purchase Right granted under the Plan shall for any reason terminate without having been exercised, the shares of Common Stock not purchased under such Purchase Right shall again become available for
issuance under the Plan. 
 (c) The stock purchasable under the Plan shall be shares of authorized but unissued or reacquired Common
Stock, including shares repurchased by the Company on the open market. 
 4. GRANT OF PURCHASE
RIGHTS; OFFERING. 
 (a) The Board may from time to time grant or provide for the grant of Purchase
Rights to purchase shares of Common Stock under the Plan to Eligible Employees in an Offering (consisting of one or more Purchase Periods) on an Offering Date or Offering Dates selected by the Board. Each Offering shall be in such form and shall
contain such terms and conditions as 

  

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the Board shall deem appropriate, which shall comply with the requirement of Section 423(b)(5) of the Code that all Employees granted Purchase Rights
shall have the same rights and privileges. The terms and conditions of an Offering shall be incorporated by reference into the Plan and treated as part of the Plan. The provisions of separate Offerings need not be identical, but each Offering shall
include (through incorporation of the provisions of this Plan by reference in the document comprising the Offering or otherwise) the period during which the Offering shall be effective, which period shall not exceed twenty-seven (27) months
beginning with the Offering Date, and the substance of the provisions contained in Sections 5 through 8, inclusive. 
 (b) If a
Participant has more than one Purchase Right outstanding under the Plan, unless he or she otherwise indicates in agreements or notices delivered hereunder: (i) each agreement or notice delivered by that Participant shall be deemed to apply to
all of his or her Purchase Rights under the Plan, and (ii) a Purchase Right with a lower exercise price (or an earlier-granted Purchase Right, if different Purchase Rights have identical exercise prices) shall be exercised to the fullest
possible extent before a Purchase Right with a higher exercise price (or a later-granted Purchase Right if different Purchase Rights have identical exercise prices) shall be exercised. 
 (c) The Board shall have the discretion to structure an Offering so that if the Fair Market Value of the shares of Common Stock on the first day
of a new Purchase Period within that Offering is less than or equal to the Fair Market Value of the shares of Common Stock on the Offering Date, then (i) that Offering shall terminate immediately, and (ii) the Participants in such
terminated Offering shall be automatically enrolled in a new Offering beginning on the first day of such new Purchase Period. 
 5.
ELIGIBILITY. 
 (a) Purchase Rights may be granted only to Employees of the Company or, as the Board may designate
as provided in Section 2(b), to Employees of a Related Corporation. Except as provided in Section 5(b), an Employee shall not be eligible to be granted Purchase Rights under the Plan unless, on the Offering Date, such Employee has been in
the employ of the Company or the Related Corporation, as the case may be, for such continuous period preceding such Offering Date as the Board may require, but in no event shall the required period of continuous employment be greater than two
(2) years. In addition, the Board may provide that no Employee shall be eligible to be granted Purchase Rights under the Plan unless, on the Offering Date, such Employee’s customary employment with the Company or the Related Corporation is
more than twenty (20) hours per week and more than five (5) months per calendar year or such other criteria as the Board may determine consistent with Section 423 of the Code. 
 (b) The Board may provide that each person who, during the course of an Offering, first becomes an Eligible Employee shall, on a date or dates
specified in the Offering which coincides with the day on which such person becomes an Eligible Employee or which occurs thereafter, receive a Purchase Right under that Offering, which Purchase Right shall thereafter be deemed to be a part of that
Offering. Such Purchase Right shall have the same characteristics as any Purchase Rights originally granted under that Offering, as described herein, except that: 
 (i) the date on which such Purchase Right is granted shall be the “Offering Date” of such Purchase Right for all purposes, including determination of the exercise price of such Purchase Right;

  

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 (ii) the period of the Offering with respect to such Purchase Right shall begin on its Offering
Date and end coincident with the end of such Offering; and 
 (iii) the Board may provide that if such person first becomes an
Eligible Employee within a specified period of time before the end of the Offering, he or she shall not receive any Purchase Right under that Offering. 
 (c) No Employee shall be eligible for the grant of any Purchase Rights under the Plan if, immediately after any such Purchase Rights are granted, such Employee owns stock possessing five percent (5%) or
more of the total combined voting power or value of all classes of stock of the Company or of any Related Corporation. For purposes of this Section 5(c), the rules of Section 424(d) of the Code shall apply in determining the stock
ownership of any Employee, and stock which such Employee may purchase under all outstanding Purchase Rights and options shall be treated as stock owned by such Employee. 
 (d) As specified by Section 423(b)(8) of the Code, an Eligible Employee may be granted Purchase Rights under the Plan only if such Purchase Rights, together with any other rights granted under all Employee
Stock Purchase Plans of the Company and any Related Corporations, do not permit such Eligible Employee’s rights to purchase stock of the Company or any Related Corporation to accrue at a rate which exceeds twenty five thousand dollars ($25,000)
of Fair Market Value of such stock (determined at the time such rights are granted, and which, with respect to the Plan, shall be determined as of their respective Offering Dates) for each calendar year in which such rights are outstanding at any
time. 
 (e) Officers of the Company and any designated Related Corporation, if they are otherwise Eligible Employees, shall be
eligible to participate in Offerings under the Plan. Notwithstanding the foregoing, the Board may provide in an Offering that Employees who are highly compensated Employees within the meaning of Section 423(b)(4)(D) of the Code shall not be
eligible to participate. 
 6. PURCHASE RIGHTS; PURCHASE PRICE. 
 (a) On each Offering Date, each Eligible Employee, pursuant to an Offering made under the Plan, shall be granted a Purchase Right to purchase up to
that number of shares of Common Stock purchasable either with a percentage or with a maximum dollar amount, as designated by the Board, but in either case not exceeding fifteen percent (15%) of such Employee’s earnings (as defined by the
Board in each Offering) during the period that begins on the Offering Date (or such later date as the Board determines for a particular Offering) and ends on the date stated in the Offering, which date shall be no later than the end of the Offering.

 (b) The Board shall establish one (1) or more Purchase Dates during an Offering as of which Purchase Rights granted pursuant
to that Offering shall be exercised and purchases of shares of Common Stock shall be carried out in accordance with such Offering. 
  

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 (c) In connection with each Offering made under the Plan, the Board may specify a maximum number
of shares of Common Stock that may be purchased by any Participant on any Purchase Date during such Offering. In connection with each Offering made under the Plan, the Board may specify a maximum aggregate number of shares of Common Stock that may
be purchased by all Participants pursuant to such Offering. In addition, in connection with each Offering that contains more than one Purchase Date, the Board may specify a maximum aggregate number of shares of Common Stock that may be purchased by
all Participants on any Purchase Date under the Offering. If the aggregate purchase of shares of Common Stock issuable upon exercise of Purchase Rights granted under the Offering would exceed any such maximum aggregate number, then, in the absence
of any Board action otherwise, a pro rata allocation of the shares of Common Stock available shall be made in as nearly a uniform manner as shall be practicable and equitable. 
 (d) The purchase price of shares of Common Stock acquired pursuant to Purchase Rights shall be not less than the lesser of: 
 (i) an amount equal to eighty-five percent (85%) of the Fair Market Value of the shares of Common Stock on the Offering Date; or 

(ii) an amount equal to eighty-five percent (85%) of the Fair Market Value of the shares of Common Stock on the applicable Purchase Date.

 7. PARTICIPATION; WITHDRAWAL; TERMINATION. 
 (a) A Participant may elect to authorize payroll deductions pursuant to an Offering under the Plan by completing and delivering to the Company,
within the time specified in the Offering, an enrollment form (in such form as the Company may provide). Each such enrollment form shall authorize an amount of Contributions expressed as a percentage of the submitting Participant’s earnings (as
defined in each Offering) during the Offering (not to exceed the maximum percentage specified by the Board). Each Participant’s Contributions shall be credited to a bookkeeping account for such Participant under the Plan and shall be deposited
with the general funds of the Company except where applicable law requires that Contributions be deposited with a third party. To the extent provided in the Offering, a Participant may begin such Contributions after the beginning of the Offering. To
the extent provided in the Offering, a Participant may thereafter reduce (including to zero) or increase his or her Contributions. To the extent specifically provided in the Offering, in addition to making Contributions by payroll deductions, a
Participant may make Contributions through the payment by cash or check prior to each Purchase Date of the Offering. 
 (b) During an
Offering, a Participant may cease making Contributions and withdraw from the Offering by delivering to the Company a notice of withdrawal in such form as the Company may provide. Such withdrawal may be elected at any time prior to the end of the
Offering, except as provided otherwise in the Offering. Upon such withdrawal from the Offering by a Participant, the Company shall distribute to such Participant all of his or her accumulated Contributions (reduced to the extent, if any, such
Contributions have been used to acquire shares of Common Stock for the Participant) under the Offering, and such Participant’s Purchase Right in that Offering shall thereupon terminate. A Participant’s withdrawal from an Offering shall


  

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have no effect upon such Participant’s eligibility to participate in any other Offerings under the Plan, but such Participant shall be required to
deliver a new enrollment form in order to participate in subsequent Offerings. 
 (c) Purchase Rights granted pursuant to any Offering
under the Plan shall terminate immediately upon a Participant ceasing to be an Employee for any reason or for no reason (subject to any post-employment participation period required by law) or other lack of eligibility. The Company shall distribute
to such terminated or otherwise ineligible Employee all of his or her accumulated Contributions (reduced to the extent, if any, such Contributions have been used to acquire shares of Common Stock for the terminated or otherwise ineligible Employee)
under the Offering. 
 (d) Purchase Rights shall not be transferable by a Participant except by will, the laws of descent and
distribution, or by a beneficiary designation as provided in Section 10. During a Participant’s lifetime, Purchase Rights shall be exercisable only by such Participant. 
 (e) Unless otherwise specified in an Offering, the Company shall have no obligation to pay interest on Contributions. 
 8. EXERCISE OF PURCHASE RIGHTS. 
 (a) On each Purchase Date during an Offering, each Participant’s accumulated Contributions shall be applied to the purchase of shares of
Common Stock up to the maximum number of shares of Common Stock permitted pursuant to the terms of the Plan and the applicable Offering, at the purchase price specified in the Offering. No fractional shares shall be issued upon the exercise of
Purchase Rights unless specifically provided for in the Offering. 
 (b) If any amount of accumulated Contributions remains in a
Participant’s account after the purchase of shares of Common Stock and such remaining amount is less than the amount required to purchase one share of Common Stock on the final Purchase Date of an Offering, then such remaining amount shall be
held in such Participant’s account for the purchase of shares of Common Stock under the next Offering under the Plan, unless such Participant withdraws from such next Offering, as provided in Section 7(b), or is not eligible to participate
in such Offering, as provided in Section 5, in which case such amount shall be distributed to such Participant after the final Purchase Date, without interest. If the amount of Contributions remaining in a Participant’s account after the
purchase of shares of Common Stock is at least equal to the amount required to purchase one (1) whole share of Common Stock on the final Purchase Date of the Offering, then such remaining amount shall be distributed in full to such Participant
at the end of the Offering without interest. 
 (c) No Purchase Rights may be exercised to any extent unless the shares of Common
Stock to be issued upon such exercise under the Plan are covered by an effective registration statement pursuant to the Securities Act and the Plan is in material compliance with all applicable federal, state, foreign and other securities and other
laws applicable to the Plan. If on a Purchase Date during any Offering hereunder the shares of Common Stock are not so registered or the Plan is not in such compliance, no Purchase Rights or any Offering shall be exercised on such Purchase Date, and
the Purchase Date shall be delayed until the shares of 

  

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Common Stock are subject to such an effective registration statement and the Plan is in such compliance, except that the Purchase Date shall not be delayed
more than twelve (12) months and the Purchase Date shall in no event be more than twenty-seven (27) months from the Offering Date. If, on the Purchase Date under any Offering hereunder, as delayed to the maximum extent permissible, the
shares of Common Stock are not registered and the Plan is not in such compliance, no Purchase Rights or any Offering shall be exercised and all Contributions accumulated during the Offering (reduced to the extent, if any, such Contributions have
been used to acquire shares of Common Stock) shall be distributed to the Participants without interest. 
 9. COVENANTS OF
THE COMPANY. 
 The Company shall seek to obtain from each federal, state, foreign or other regulatory
commission or agency having jurisdiction over the Plan such authority as may be required to issue and sell shares of Common Stock upon exercise of the Purchase Rights. If, after commercially reasonable efforts, the Company is unable to obtain from
any such regulatory commission or agency the authority that counsel for the Company deems necessary for the lawful issuance and sale of Common Stock under the Plan, the Company shall be relieved from any liability for failure to issue and sell
Common Stock upon exercise of such Purchase Rights unless and until such authority is obtained. 
 10. DESIGNATION OF
BENEFICIARY. 
 (a) A Participant may file a written designation of a beneficiary who is to receive any shares of
Common Stock and/or cash, if any, from the Participant’s account under the Plan in the event of such Participant’s death subsequent to the end of an Offering but prior to delivery to the Participant of such shares of Common Stock or cash.
In addition, a Participant may file a written designation of a beneficiary who is to receive any cash from the Participant’s account under the Plan in the event of such Participant’s death during an Offering. Any such designation shall be
on a form provided by or otherwise acceptable to the Company. 
 (b) The Participant may change such designation of beneficiary at any
time by written notice to the Company. In the event of the death of a Participant and in the absence of a beneficiary validly designated under the Plan who is living at the time of such Participant’s death, the Company shall deliver such shares
of Common Stock and/or cash to the executor or administrator of the estate of the Participant, or if no such executor or administrator has been appointed (to the knowledge of the Company), the Company, in its sole discretion, may deliver such shares
of Common Stock and/or cash to the spouse or to any one or more dependents or relatives of the Participant, or if no spouse, dependent or relative is known to the Company, then to such other person as the Company may designate. 
 11. MISCELLANEOUS PROVISIONS. 
 (a) The Plan and Offering do not constitute an employment contract. Nothing in the Plan or in the Offering shall in any way alter the at will nature of a Participant’s employment or be deemed to create in any way whatsoever any
obligation on the part of any Participant to continue in the employ of the Company or a Related Corporation, or on the part of the Company or a Related Corporation to continue the employment of a Participant. 
  

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 (b) The provisions of the Plan shall be governed by the laws of the State of Delaware without
resort to that state’s conflicts of laws rules. 
 (c) Proceeds from the sale of shares of Common Stock pursuant to Purchase
Rights shall constitute general funds of the Company. 
 (d) A Participant shall not be deemed to be the holder of, or to have any of
the rights of a holder with respect to, shares of Common Stock subject to Purchase Rights unless and until the Participant’s shares of Common Stock acquired upon exercise of Purchase Rights are recorded in the books of the Company (or its
transfer agent). 
 12. ADJUSTMENTS UPON CHANGES IN COMMON
STOCK; CORPORATE TRANSACTIONS. 
 (a) In the event of a Capitalization Adjustment, the
Board shall appropriately and proportionately adjust: (i) the class(es) and maximum number of securities subject to the Plan pursuant to Section 3(a), (ii) the class(es) and maximum number of securities by which the share reserve is
to increase automatically each year pursuant to Section 3(a), (iii) the class(es) and number of securities subject to outstanding Purchase Rights, and (iv) the class(es) and number of securities imposed by purchase limits under each
ongoing Offering. The Board shall make such adjustments, and its determination shall be final, binding and conclusive. 
 (b) In the
event of a Corporate Transaction, then: (i) any surviving corporation or acquiring corporation (or the surviving or acquiring corporation’s parent company) may assume or continue Purchase Rights outstanding under the Plan or may substitute
similar rights (including a right to acquire the same consideration paid to the stockholders in the Corporate Transaction) for those outstanding under the Plan, or (ii) if any surviving or acquiring corporation (or its parent company) does not
assume or continue such Purchase Rights or does not substitute similar rights for Purchase Rights outstanding under the Plan, then the Participants’ accumulated Contributions shall be used to purchase shares of Common Stock within ten
(10) business days prior to the Corporate Transaction under any ongoing Offerings, and the Participants’ Purchase Rights under the ongoing Offerings shall terminate immediately after such purchase. 
 13. AMENDMENT OF THE PLAN. 
 (a) The Board at any time, and from time to time, may amend the Plan. However, except as provided in Section 12(a) relating to Capitalization
Adjustments and except as to amendments solely to benefit the administration of the Plan, to take account of a change in legislation or to obtain or maintain favorable tax, exchange control or regulatory treatment for Participants or the Company or
any Related Corporation, no amendment shall be effective unless approved by the stockholders of the Company to the extent stockholder approval is necessary for the Plan to satisfy the requirements of Section 423 of the Code or other applicable
laws or regulations. 
 (b) It is expressly contemplated that the Board may amend the Plan in any respect the Board deems necessary or
advisable to provide Employees with the maximum benefits provided or to be provided under the provisions of the Code and the regulations promulgated thereunder relating to Employee Stock Purchase Plans and/or to bring the Plan and/or Purchase Rights
into compliance therewith. 
  

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 (c) The rights and obligations under any Purchase Rights granted before amendment of the Plan
shall not be impaired by any amendment of the Plan except: (i) with the consent of the person to whom such Purchase Rights were granted, or (ii) as necessary to comply with any laws or governmental regulations (including, without
limitation, the provisions of the Code and the regulations promulgated thereunder relating to Employee Stock Purchase Plans). 
 14.
TERMINATION OR SUSPENSION OF THE PLAN. 
 (a)
The Board may suspend or terminate the Plan at any time. Unless sooner terminated, the Plan shall terminate at the time that all of the shares of Common Stock reserved for issuance under the Plan, as increased and/or adjusted from time to time,
have been issued under the terms of the Plan. No Purchase Rights may be granted under the Plan while the Plan is suspended or after it is terminated. 
 (b) Any benefits, privileges, entitlements and obligations under any Purchase Rights while the Plan is in effect shall not be impaired by suspension or termination of the Plan except (i) as expressly
provided in the Plan or with the consent of the person to whom such Purchase Rights were granted, (ii) as necessary to comply with any laws, regulations or listing requirements, or (iii) as necessary to ensure that the Plan and/or Purchase
Rights comply with the requirements of Section 423 of the Code. 
 15. EFFECTIVE DATE OF
PLAN. 
 The Plan shall become effective on the IPO Date, but no Purchase Rights shall be exercised unless and until the
Plan has been approved by the stockholders of the Company, which approval shall be within twelve (12) months before or after the date the Plan is adopted by the Board. 
 16. DEFINITIONS. 
 As used in the Plan, the following definitions shall apply to the
capitalized terms indicated below: 
 (a) “Board” means the Board of Directors of the Company. 
 (b) “Capitalization Adjustment” means any change that is made in, or other events that occur with respect to, the Common
Stock subject to the Plan or subject to any Purchase Right after the Effective Date without the receipt of consideration by the Company (through merger, consolidation, reorganization, recapitalization, reincorporation, stock dividend, dividend in
property other than cash, stock split, liquidating dividend, combination of shares, exchange of shares, change in corporate structure or other transaction not involving the receipt of consideration by the Company). Notwithstanding the foregoing, the
conversion of any convertible securities of the Company shall not be treated as a transaction “without receipt of consideration” by the Company. 
  

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 (c) “Code” means the Internal Revenue Code of 1986, as amended.

 (d) “Committee” means a committee of one (1) or more members of the Board to whom authority has been
delegated by the Board in accordance with Section 2(c). 
 (e) “Common Stock” means the common stock of
the Company. 
 (f) “Company” means CardioMEMS, Inc., a Delaware corporation. 
 (g) “Contributions” means the payroll deductions and other additional payments specifically provided for in the Offering,
that a Participant contributes to fund the exercise of a Purchase Right. A Participant may make additional payments into his or her account, if specifically provided for in the Offering, and then only if the Participant has not already had the
maximum permitted amount withheld during the Offering through payroll deductions. 
 (h) “Corporate
Transaction” means the occurrence, in a single transaction or in a series of related transactions, of any one or more of the following events: 
 (i) a sale or other disposition of all or substantially all, as determined by the Board in its sole discretion, of the consolidated assets of the Company and its Subsidiaries; 
 (ii) a sale or other disposition of at least ninety percent (90%) of the outstanding securities of the Company; 
 (iii) the consummation of a merger, consolidation or similar transaction following which the Company is not the surviving corporation; or

 (iv) the consummation of a merger, consolidation or similar transaction following which the Company is the surviving corporation
but the shares of Common Stock outstanding immediately preceding the merger, consolidation or similar transaction are converted or exchanged by virtue of the merger, consolidation or similar transaction into other property, whether in the form of
securities, cash or otherwise. 
 (i) “Director” means a member of the Board. 
 (j) “Eligible Employee” means an Employee who meets the requirements set forth in the Offering for eligibility to
participate in the Offering, provided that such Employee also meets the requirements for eligibility to participate set forth in the Plan. 
 (k) “Employee” means any person, including Officers and Directors, who is employed for purposes of Section 423(b)(4) of the Code by the Company or a Related Corporation. However, service solely as a
Director, or payment of a fee for such services, shall not cause a Director to be considered an “Employee” for purposes of the Plan. 
 (l) “Employee Stock Purchase Plan” means a plan that grants Purchase Rights intended to be options issued under an “employee stock purchase plan,” as that term is defined in Section 423(b) of
the Code. 
  

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 (m) “Exchange Act” means the Securities Exchange Act of 1934, as amended.

 (n) “Fair Market Value” means, as of any date, the value of the Common Stock determined as follows:

 (i) If the Common Stock is listed on any established stock exchange or traded on the Nasdaq Global Select Market or the Nasdaq
Global Market (formerly the Nasdaq National Market), the Fair Market Value of a share of Common Stock shall be the closing sales price for such stock (or the closing bid, if no sales were reported) as quoted on such exchange (or the exchange or
market with the greatest volume of trading in the Common Stock) on the date of determination, as reported in The Wall Street Journal or such other source as the Board deems reliable. 
 (ii) If the Common Stock is listed or traded on the Nasdaq Capital Market (formerly the Nasdaq Small Cap Market), the Fair Market Value of a share
of Common Stock shall be the mean between the bid and asked prices for the Common Stock on the date of determination, as reported in The Wall Street Journal or such other source as the Board deems reliable. Unless otherwise provided by the Board, if
there is no closing sales price (or closing bid if no sales were reported) for the Common Stock on the date of determination, then the Fair Market Value shall be the mean between the bid and asked prices for the Common Stock on the last preceding
date for which such quotation exists. 
 (iii) In the absence of such markets for the Common Stock, the Fair Market Value shall be
determined by the Board in good faith. 
 (o) “IPO Date” means the date of the underwriting agreement between
the Company and the underwriters managing the initial public offering of the Common Stock, pursuant to which the Common Stock is priced for the initial public offering. 
 (p) “Offering” means the grant of Purchase Rights to purchase shares of Common Stock under the Plan to Eligible Employees. 
 (q) “Offering Date” means a date selected by the Board for an Offering to commence. 
 (r) “Officer” means a person who is an officer of the Company within the meaning of Section 16 of the
Exchange Act and the rules and regulations promulgated thereunder. 
 (s) “Participant” means an
Eligible Employee who holds an outstanding Purchase Right granted pursuant to the Plan. 
 (t) “Plan” means
this CardioMEMS, Inc. 2006 Employee Stock Purchase Plan. 
 (u) “Purchase Date” means one or
more dates during an Offering established by the Board on which Purchase Rights shall be exercised and as of which purchases of shares of Common Stock shall be carried out in accordance with such Offering. 
  

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 (v) “Purchase Period” means a period of time specified within an Offering
beginning on the Offering Date or on the next day following a Purchase Date within an Offering and ending on a Purchase Date. An Offering may consist of one or more Purchase Periods. 
 (w) “Purchase Right” means an option to purchase shares of Common Stock granted pursuant to the Plan. 
 (x) “Related Corporation” means any “parent corporation” or “subsidiary corporation” of the Company
whether now or subsequently established, as those terms are defined in Sections 424(e) and 424(f), respectively, of the Code. 
 (y)
“Securities Act” means the Securities Act of 1933, as amended. 
 (z) “Trading
Day” means any day on which the exchange(s) or market(s) on which shares of Common Stock are listed, whether it be an established stock exchange, the Nasdaq Global Select Market or the Nasdaq Global Market (formerly the Nasdaq National
Market), the Nasdaq Capital Market (formerly the Nasdaq Small Cap Market), or otherwise, is open for trading. 
  

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