**Exhibit 10.2A**

**TERCICA, INC.**

**2002 EXECUTIVE STOCK PLAN**

**(as amended September 6, 2006)**

1. Purposes of the Plan. The purposes of this Plan are to attract and retain the best available personnel for positions of substantial responsibility, to provide additional incentive to Employees, Directors and Consultantsand to promote the success of the Company’s business. Options granted under the Plan may be Incentive Stock Options or Nonstatutory Stock Options, as determined by the Administrator at the time of grant. Stock Purchase Rights may also begranted under the Plan. 

2. Definitions. As used herein, the following definitions shall apply: 

(a) ”Administrator” means the Board or any of its Committees as shall be administering the Plan in accordance withSection 4 hereof. 

(b) ”Applicable Laws” means the requirements relating to the administration ofstock option plans under U.S. state corporate laws, U.S. federal and state securities laws, the Code, any stock exchange or quotation system on which the Common Stock is listed or quoted and the applicable laws of any other country or jurisdictionwhere Options or Stock Purchase Rights are granted under the Plan. 

(c) ”Board” means the Board ofDirectors of the Company. 

(d) ”Change in Control” means the occurrence of any of the followingevents: 

(i) Any “person” (as such term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the“beneficial owner” (as defined in Rule 13d-3 of the Exchange Act), directly or indirectly, of securities of the Company representing fifty percent (50%) or more of the total voting power represented by the Company’s thenoutstanding voting securities; or 

(ii) The consummation of the sale or disposition by the Company of all orsubstantially all of the Company’s assets; or 

(iii) The consummation of a merger or consolidation of the Companywith any other corporation, other than a merger or consolidation which would result in the voting securities of the Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted intovoting securities of the surviving entity or its parent) at least fifty percent (50%) of the total voting power represented by the voting securities of the Company or such surviving entity or its parent outstanding immediately after such mergeror consolidation. 

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

(f) ”Committee” means a committee of Directors or of other individuals satisfying Applicable Laws appointed by theBoard in accordance with Section 4 hereof. 

(g) ”Common Stock” means the Common Stock of theCompany. 

(h) ”Company” means Tercica Inc., a Delaware corporation. 

(i) ”Consultant” means any person who is engaged by the Company or any Parent or Subsidiary to render consulting oradvisory services to such entity. 

(j) ”Director” means a member of the Board. 

(k) ”Disability” means total and permanent disability as defined in Section 22(e)(3) of the Code. 

 

1. 

(l) ”Employee” means any person, including officers and Directors,employed by the Company or any Parent or Subsidiary of the Company. Neither service as a Director nor payment of a director’s fee by the Company shall be sufficient to constitute “employment” by the Company. 

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

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

(i) If the Common Stock is listed on any established stock exchange or a national market system, including without limitation theNasdaq National Market or The Nasdaq SmallCap Market of The Nasdaq Stock Market, its Fair Market Value shall be the closing sales price for such stock (or the closing bid, if no sales were reported) as quoted on such exchange or system on the day ofdetermination, as reported in *The Wall Street Journal* or such other source as the Administrator deems reliable; 

(ii) If the Common Stock is regularly quoted by a recognized securities dealer but selling prices are not reported, its Fair Market Value shall be the mean between the high bid and low asked prices for the Common Stock on the day ofdetermination; or 

(iii) In the absence of an established market for the Common Stock, the Fair Market Value thereofshall be determined in good faith by the Administrator. 

(o) ”Incentive Stock Option” means an Optionintended to qualify as an incentive stock option within the meaning of Section 422 of the Code. 

(p) ”Nonstatutory Stock Option” means an Option not intended to qualify as an Incentive Stock Option. 

(q) ”Option” means a stock option granted pursuant to the Plan. 

(r) ”OptionAgreement” means a written or electronic agreement between the Company and an Optionee evidencing the terms and conditions of an individual Option grant. The Option Agreement is subject to the terms and conditions of the Plan. 

(s) ”Optioned Stock” means the Common Stock subject to an Option or a Stock Purchase Right. 

(t) ”Optionee” means the holder of an outstanding Option or Stock Purchase Right granted under the Plan. 

(u) ”Parent” means a “parent corporation,” whether now or hereafter existing, as defined inSection 424(e) of the Code. 

(v) ”Plan” means this 2002 Executive Stock Plan. 

(w) ”Restricted Stock” means Shares issued pursuant to a Stock Purchase Right or Shares of restricted stock issuedpursuant to an Option. 

(x) ”Restricted Stock Purchase Agreement” means a written agreement betweenthe Company and the Optionee evidencing the terms and restrictions applying to stock purchased under a Stock Purchase Right. The Restricted Stock Purchase Agreement is subject to the terms and conditions of the Plan and the notice of grant.

(y) ”Service Provider” means an Employee, Director or Consultant. 

(z) ”Share” means a share of the Common Stock, as adjusted in accordance with Section 13 below. 

 

2. 

(aa) ”Stock Purchase Right” means a right to purchase Common Stockpursuant to Section 11 below. 

(bb) ”Subsidiary” means a “subsidiary corporation,”whether now or hereafter existing, as defined in Section 424(f) of the Code. 

3. Stock Subject to the Plan. Subjectto the provisions of Section 13 of the Plan, the maximum aggregate number of Shares that may be subject to option and sold under the Plan is 2,080,000 Shares. The Shares may be authorized but unissued, or reacquired Common Stock. 

If an Option or Stock Purchase Right expires or becomes unexercisable without having been exercised in full, the unpurchased Shares that were subjectthereto shall become available for future grant or sale under the Plan (unless the Plan has terminated). However, Shares that have actually been issued under the Plan, upon exercise of either an Option or Stock Purchase Right, shall not be returnedto the Plan and shall not become available for future distribution under the Plan, except that if Shares of Restricted Stock are repurchased by the Company at their original purchase price, such Shares shall become available for future grant underthe Plan. 

4. Administration of the Plan. 

(a) The Plan shall be administered by the Board or a Committee appointed by the Board, which Committee shall be constituted to complywith Applicable Laws. 

(b) Powers of the Administrator.* *Subject to the provisions of the Plan and,in the case of a Committee, the specific duties delegated by the Board to such Committee, and subject to the approval of any relevant authorities, the Administrator shall have the authority in its discretion: 

(i) to determine the Fair Market Value; 

(ii) to select the Service Providers to whom Options and Stock Purchase Rights may from time to time be granted hereunder; 

(iii) to determine the number of Shares to be covered by each such Option granted hereunder; 

(iv) to approve forms of agreement for use under the Plan; 

(v) to determine the terms and conditions of any Option or Stock Purchase Right granted hereunder. Such terms and conditions include,but are not limited to, the exercise price, the time or times when Options or Stock Purchase Rights may be exercised (which may be based on performance criteria), any vesting acceleration or waiver of forfeiture restrictions, and any restriction orlimitation regarding any Option or Stock Purchase Right or the Common Stock relating thereto, based in each case on such factors as the Administrator, in its sole discretion, shall determine; 

(vi) to prescribe, amend and rescind rules and regulations relating to the Plan, including rules and regulations relating tosub-plans established for the purpose of satisfying applicable foreign laws; 

(vii) to allow Optionees to satisfywithholding tax obligations by electing to have the Company withhold from the Shares to be issued upon exercise of an Option or Stock Purchase Right that number of Shares having a Fair Market Value equal to the minimum amount required to bewithheld. The Fair Market Value of the Shares to be withheld shall be determined on the date that the amount of tax to be withheld is to be determined. All elections by Optionees to have Shares withheld for this purpose shall be made in such formand under such conditions as the Administrator may deem necessary or advisable; and 

(viii) to construe and interpretthe terms of the Plan and Options granted pursuant to the Plan. 

 

3. 

(c) Effect of Administrator’s Decision. All decisions,determinations and interpretations of the Administrator shall be final and binding on all Optionees. 

5. Eligibility. Nonstatutory Stock Options and Stock Purchase Rights may be granted to Service Providers. Incentive Stock Options may be granted only to Employees. 

6. Limitations. 

(a) Incentive Stock Option Limit. Each Option shall be designated in the Option Agreement as either an Incentive Stock Option or a Nonstatutory Stock Option. However, notwithstanding such designation, to the extent that theaggregate Fair Market Value of the Shares with respect to which Incentive Stock Options are exercisable for the first time by the Optionee during any calendar year (under all plans of the Company and any Parent or Subsidiary) exceeds $100,000, suchOptions shall be treated as Nonstatutory Stock Options. For purposes of this Section 6(a), Incentive Stock Options shall be taken into account in the order in which they were granted. The Fair Market Value of the Shares shall be determined asof the time the Option with respect to such Shares is granted. 

(b) At-Will Employment. Neither the Plannor any Option or Stock Purchase Right shall confer upon any Optionee any right with respect to continuing the Optionee’s relationship as a Service Provider with the Company, nor shall it interfere in any way with his or her right or theCompany’s right to terminate such relationship at any time, with or without cause, and with or without notice. 

7. Term ofPlan. Subject to shareholder approval in accordance with Section 19, the Plan shall become effective upon its adoption by the Board. Unless sooner terminated under Section 15, it shall continue in effect for a term of ten(10) years from the later of (i) the effective date of the Plan, or (ii) the earlier of the most recent board or shareholder approval of an increase in the number of Shares reserved for issuance under the Plan. 

8. Term of Option. The term of each Option shall be stated in the Option Agreement; provided, however, that the term shall be no morethan ten (10) years from the date of grant thereof. In the case of an Incentive Stock Option granted to an Optionee who, at the time the Option is granted, owns stock representing more than ten percent (10%) of the voting power of allclasses of stock of the Company or any Parent or Subsidiary, the term of the Option shall be five (5) years from the date of grant or such shorter term as may be provided in the Option Agreement. 

9. Option Exercise Price and Consideration. 

(a) Exercise Price. The per share exercise price for the Shares to be issued upon exercise of an Option shall be such price as is determined by the Administrator, but shall be subject to thefollowing: 

(i) In the case of an Incentive Stock Option 

(A) granted to an Employee who, at the time of grant of such Option, owns stock representing more than ten percent (10%) of thevoting power of all classes of stock of the Company or any Parent or Subsidiary, the exercise price shall be no less than 110% of the Fair Market Value per Share on the date of grant. 

(B) granted to any other Employee, the per Share exercise price shall be no less than 100% of the Fair Market Value per Share on thedate of grant. 

(ii) In the case of a Nonstatutory Stock Option, the per Share exercise price shall be determined bythe Administrator. 

(iii) Notwithstanding the foregoing, Options may be granted with a per Share exercise price otherthan as required above pursuant to a merger or other corporate transaction. 

 

4. 

(b) Forms of Consideration. The consideration to be paid for the Sharesto be issued upon exercise of an Option, including the method of payment, shall be determined by the Administrator (and, in the case of an Incentive Stock Option, shall be determined at the time of grant). Such consideration may consist of, withoutlimitation, (1) cash, (2) check, (3) promissory note, (4) other Shares, provided Shares acquired directly from the Company (x) have been owned by the Optionee for more than six months on the date of surrender, and(y) have a Fair Market Value on the date of surrender equal to the aggregate exercise price of the Shares as to which such Option shall be exercised, (5) consideration received by the Company under a cashless exercise program implementedby the Company in connection with the Plan, or (6) any combination of the foregoing methods of payment. In making its determination as to the type of consideration to accept, the Administrator shall consider if acceptance of such considerationmay be reasonably expected to benefit the Company. 

10. Exercise of Option. 

(a) Procedure for Exercise; Rights as a Shareholder. Any Option granted hereunder shall be exercisable according to theterms hereof at such times and under such conditions as determined by the Administrator and set forth in the Option Agreement. Unless the Administrator provides otherwise, vesting of Options granted hereunder shall be suspended during any unpaidleave of absence. An Option may not be exercised for a fraction of a Share. 

An Option shall be deemed exercised when theCompany receives: (i) written or electronic notice of exercise (in accordance with the Option Agreement) from the person entitled to exercise the Option, and (ii) full payment for the Shares with respect to which the Option is exercised.Full payment may consist of any consideration and method of payment authorized by the Administrator and permitted by the Option Agreement and the Plan. Shares issued upon exercise of an Option shall be issued in the name of the Optionee or, ifrequested by the Optionee, in the name of the Optionee and his or her spouse. Until the Shares are issued (as evidenced by the appropriate entry on the books of the Company or of a duly authorized transfer agent of the Company), no right to vote orreceive dividends or any other rights as a shareholder shall exist with respect to the Shares, notwithstanding the exercise of the Option. The Company shall issue (or cause to be issued) such Shares promptly after the Option is exercised. Noadjustment will be made for a dividend or other right for which the record date is prior to the date the Shares are issued, except as provided in Section 13 of the Plan. 

Exercise of an Option in any manner shall result in a decrease in the number of Shares thereafter available, both for purposes of the Planand for sale under the Option, by the number of Shares as to which the Option is exercised. 

(b) Termination ofRelationship as a Service Provider. If an Optionee ceases to be a Service Provider, such Optionee may exercise his or her Option within such period of time as is specified in the Option Agreement to the extent that the Option is vested onthe date of termination (but in no event later than the expiration of the term of the Option as set forth in the Option Agreement). In the absence of a specified time in the Option Agreement, the Option shall remain exercisable for three(3) months following the Optionee’s termination. If, on the date of termination, the Optionee is not vested as to his or her entire Option, the Shares covered by the unvested portion of the Option shall revert to the Plan. If, aftertermination, the Optionee does not exercise his or her Option within the time specified by the Administrator, the Option shall terminate, and the Shares covered by such Option shall revert to the Plan. 

(c) Disability of Optionee. If an Optionee ceases to be a Service Provider as a result of the Optionee’s Disability,the Optionee may exercise his or her Option within such period of time as is specified in the Option Agreement to the extent the Option is vested on the date of termination (but in no event later than the expiration of the term of such Option as setforth in the Option Agreement). In the absence of a specified time in the Option Agreement, the Option shall remain exercisable for twelve (12) months following the Optionee’s termination. If, on the date of termination, the Optionee isnot vested as to his or her entire Option, the Shares covered by the unvested portion of the Option 

 

5. 

shall revert to the Plan. If, after termination, the Optionee does not exercise his or her Option within the time specified herein, the Option shallterminate, and the Shares covered by such Option shall revert to the Plan. 

(d) Death of Optionee. If anOptionee dies while a Service Provider, the Option may be exercised within such period of time as is specified in the Option Agreement (but in no event later than the expiration of the term of such Option as set forth in the Option Agreement), bythe Optionee’s designated beneficiary, provided such beneficiary has been designated prior to Optionee’s death in a form acceptable to the Administrator. If no such beneficiary has been designated by the Optionee, then such Option may beexercised by the personal representative of the Optionee’s estate or by the person(s) to whom the Option is transferred pursuant to the Optionee’s will or in accordance with the laws of descent and distribution. In the absence of aspecified time in the Option Agreement, the Option shall remain exercisable for twelve (12) months following the Optionee’s termination. If, at the time of death, the Optionee is not vested as to his or her entire Option, the Sharescovered by the unvested portion of the Option shall immediately revert to the Plan. If the Option is not so exercised within the time specified herein, the Option shall terminate, and the Shares covered by such Option shall revert to the Plan.

(e) Leaves of Absence. 

(i) Unless the Administrator provides otherwise, vesting of Options granted hereunder shall be suspended during any unpaid leave ofabsence. 

(ii) A Service Provider shall not cease to be an Employee in the case of (A) any leave of absenceapproved by the Company or (B) transfers between locations of the Company or between the Company, its Parent, any Subsidiary, or any successor. 

(iii) For purposes of Incentive Stock Options, no such leave may exceed ninety (90) days, unless reemployment upon expiration of such leave is guaranteed by statute or contract. If reemployment uponexpiration of a leave of absence approved by the Company is not so guaranteed, then three (3) months following the ninety-first (91st) day of such leave, any Incentive Stock Option held by the Optionee shall cease to be treated as an Incentive Stock Option and shall be treated for tax purposes as a Nonstatutory Stock Option. 

11. Stock Purchase Rights. 

(a) Rights to Purchase. Stock Purchase Rights may be issued either alone, in addition to, or in tandem with other awards granted under the Plan and/or cash awards made outside of the Plan. After theAdministrator determines that it will offer Stock Purchase Rights under the Plan, it shall advise the offeree in writing or electronically of the terms, conditions and restrictions related to the offer, including the number of Shares that suchperson shall be entitled to purchase, the price to be paid, and the time within which such person must accept such offer. The offer shall be accepted by execution of a Restricted Stock Purchase Agreement in the form determined by the Administrator.

(b) Repurchase Option. Unless the Administrator determines otherwise, the Restricted Stock PurchaseAgreement shall grant the Company a repurchase option exercisable within ninety (90) days of the voluntary or involuntary termination of the purchaser’s service with the Company for any reason (including death or disability). The purchaseprice for Shares repurchased pursuant to the Restricted Stock Purchase Agreement shall be the original price paid by the purchaser and may be paid by cancellation of any indebtedness of the purchaser to the Company. The repurchase option shall lapseat such rate as the Administrator may determine. 

(c) Other Provisions. The Restricted Stock PurchaseAgreement shall contain such other terms, provisions and conditions not inconsistent with the Plan as may be determined by the Administrator in its sole discretion. 

(d) Rights as a Shareholder. Once the Stock Purchase Right is exercised, the purchaser shall have rights equivalent tothose of a shareholder and shall be a shareholder when his or her purchase is 

 

6. 

entered upon the records of the duly authorized transfer agent of the Company. No adjustment shall be made for a dividend or other right for which the recorddate is prior to the date the Stock Purchase Right is exercised, except as provided in Section 13 of the Plan. 

12. Transferability of Options or Stock Purchase Rights. Unless determined otherwise by the Administrator, Options or Stock Purchase Rights may not be sold, pledged, assigned, hypothecated, transferred, or disposed of inany manner other than by will or the laws of descent and distribution, and may be exercised during the lifetime of the Optionee, only by the Optionee. 

13. Adjustments; Dissolution or Liquidation; Merger or Change in Control. 

(a) Adjustments. In the event that any dividend or other distribution (whether in the form of cash, Shares, other securities, or other property), recapitalization, stock split, reverse stock split, reorganization, merger,consolidation, split-up, spin-off, combination, repurchase, or exchange of Shares or other securities of the Company, or other change in the corporate structure of the Company affecting the Shares occurs, the Administrator, in order to preventdiminution or enlargement of the benefits or potential benefits intended to be made available under the Plan, shall adjust the number and class of Shares that may be delivered under the Plan and/or the number, class, and price of Shares covered byeach outstanding Option or Stock Purchase Right 

(b) Dissolution or Liquidation. In the event of theproposed dissolution or liquidation of the Company, the Administrator shall notify each Optionee as soon as practicable prior to the effective date of such proposed transaction. To the extent it has not been previously exercised, an Option or StockPurchase Right will terminate immediately prior to the consummation of such proposed action. 

(c) Merger or Changein Control. In the event of a merger of the Company with or into another corporation, or a Change in Control, each outstanding Option and Stock Purchase Right shall be assumed or an equivalent option substituted by the successor corporationor a Parent or Subsidiary of the successor corporation. In the event that the successor corporation in a merger or Change in Control refuses to assume or substitute for the Option or Stock Purchase Right, then the Optionee shall fully vest in andhave the right to exercise the Option or Stock Purchase Right as to all of the Optioned Stock, including Shares as to which it would not otherwise be vested or exercisable. If an Option or Stock Purchase Right becomes fully vested and exercisable inlieu of assumption or substitution in the event of a merger or Change in Control, the Administrator shall notify the Optionee in writing or electronically that this Option or Stock Purchase Right shall be fully exercisable for a period of fifteen(15) days from the date of such notice, and the Option or Stock Purchase Right shall terminate upon expiration of such period. For the purposes of this paragraph, the Option or Stock Purchase Right shall be considered assumed if, following themerger or Change in Control, the option or right confers the right to purchase or receive, for each Share of Optioned Stock subject to the Option or Stock Purchase Right immediately prior to the merger or Change in Control, the consideration(whether stock, cash, or other securities or property) received in the merger or Change in Control by holders of Common Stock for each Share held on the effective date of the transaction (and if holders were offered a choice of consideration, thetype of consideration chosen by the holders of a majority of the outstanding Shares); provided, however, that if such consideration received in the merger or Change in Control is not solely common stock of the successor corporation or its Parent,the Administrator may, with the consent of the successor corporation, provide for the consideration to be received upon the exercise of the Option or Stock Purchase Right, for each Share of Optioned Stock subject to the Option or Stock PurchaseRight, to be solely common stock of the successor corporation or its Parent equal in fair market value to the per share consideration received by holders of common stock in the merger or Change in Control. 

14. Time of Granting Options and Stock Purchase Rights. The date of grant of an Option or Stock Purchase Right shall, for all purposes,be the date on which the Administrator makes the determination granting such Option or Stock Purchase Right, or such later date as is determined by the Administrator. Notice of the determination shall be given to each Service Provider to whom anOption or Stock Purchase Right is so granted within a reasonable time after the date of such grant. 

 

7. 

15. Amendment and Termination of the Plan. 

(a) Amendment and Termination. The Board may at any time amend, alter, suspend or terminate the Plan. 

(b) Shareholder Approval. The Board shall obtain shareholder approval of any Plan amendment to the extent necessary anddesirable to comply with Applicable Laws. 

(c) Effect of Amendment or Termination. No amendment,alteration, suspension or termination of the Plan shall impair the rights of any Optionee, unless mutually agreed otherwise between the Optionee and the Administrator, which agreement must be in writing and signed by the Optionee and the Company.Termination of the Plan shall not affect the Administrator’s ability to exercise the powers granted to it hereunder with respect to Options granted under the Plan prior to the date of such termination. 

16. Conditions Upon Issuance of Shares. 

(a) Legal Compliance. Shares shall not be issued pursuant to the exercise of an Option unless the exercise of such Option and the issuance and delivery of such Shares shall comply with Applicable Lawsand shall be further subject to the approval of counsel for the Company with respect to such compliance. 

(b) Investment Representations. As a condition to the exercise of an Option, the Administrator may require the person exercising such Option to represent and warrant at the time of any such exercise that the Shares arebeing purchased only for investment and without any present intention to sell or distribute such Shares if, in the opinion of counsel for the Company, such a representation is required. 

17. Inability to Obtain Authority. The inability of the Company to obtain authority from any regulatory body having jurisdiction, whichauthority is deemed by the Company’s counsel to be necessary to the lawful issuance and sale of any Shares hereunder, shall relieve the Company of any liability in respect of the failure to issue or sell such Shares as to which such requisiteauthority shall not have been obtained. 

18. Reservation of Shares. The Company, during the term of this Plan, shall atall times reserve and keep available such number of Shares as shall be sufficient to satisfy the requirements of the Plan. 

19. Shareholder Approval. The Plan shall be subject to approval by the shareholders of the Company within twelve (12) months after the date the Plan is adopted. Such shareholder approval shall be obtained in the degreeand manner required under Applicable Laws. 

 

8.