Document:

Stock Pledge Agreement

 Exhibit 10.12 
 STOCK PLEDGE AGREEMENT 
 THIS STOCK PLEDGE AGREEMENT (this “Agreement”), dated as of
June 16, 2008, is made between ACCENTIA BIOPHARMACEUTICALS, INC., a Florida corporation (“Pledgor”) and McKESSON CORPORATION, a Delaware corporation (“McKesson” or “Secured Party”). 

Pledgor and Secured Party hereby agree as follows: 
 SECTION 1. Definitions; Interpretation. 
 (a) All capitalized terms used in this Agreement and not
otherwise defined herein shall have the meanings assigned to them in that certain “Termination Agreement Re Biologics Distribution Agreement” (the “Termination Agreement”) dated as of August 22, 2007 as amended by that
certain “Amendment No. 1 to Termination Agreement Re Biologics Distribution Agreement” dated on or about the date hereof (as amended, the “Amended TA”). 
 (b) As used in this Agreement, the following terms shall have the following meanings: 
 “Additional Pledged Collateral” means any and all (i) additional capital stock or other equity securities issued by, or interests
in, the Company, whether certificated or uncertificated in which Secured Party is to obtain a security interest as set forth in the Amended TA, (ii) warrants, options or other rights entitling Pledgor to acquire any interest in capital stock or
other equity securities of or other interests in the Company, (iii) securities, property, interest, dividends and other payments and distributions issued as an addition to, in redemption of, in renewal or exchange for, in substitution or upon
conversion of, or otherwise on account of, the Pledged Shares or such additional capital stock or other equity securities or other interests, and (iv) cash and non-cash proceeds of the Pledged Shares, and all supporting obligations, of any or
all of the foregoing, in each case from time to time received or receivable by, or otherwise paid or distributed to or acquired by Pledgor. 
 “Amended TA” means that certain “Termination Agreement Re Biologics Distribution Agreement” (the “Termination Agreement”) dated as of August 22, 2007 and executed by Secured Party and Pledgor as
amended by that certain “Amendment No. 1 to Termination Agreement Re Biologics Distribution Agreement” dated on or about the date hereof. 
 “Company” means BIOVEST INTERNATIONAL, INC., a Delaware corporation. 
 “Documents” means this Agreement, the Amended TA, and all other certificates, documents, agreements and instruments delivered to Secured Party under or in connection with any of them. 
 “Event of Default” has the meaning set forth in Section 6. 
 “Lien” means any mortgage, deed of trust, pledge, security interest, assignment, deposit arrangement, charge or encumbrance, lien, or
other type of preferential arrangement. 
  

 1. 

 “Obligations” means all indebtedness, liabilities and other obligations of Pledgor to
Secured Party under or in connection with this Agreement, the Amended TA, or another document signed by Pledgor confirming that the Pledged Collateral secures such obligations, whether now existing or hereafter arising, and whether due or to become
due, absolute or contingent, liquidated or unliquidated, determined or undetermined, and including interest that accrues after the commencement by or against the Pledgor or the Company of any bankruptcy or insolvency proceeding naming such Person as
the debtor in such proceeding. 
 “Person” means an individual, corporation, partnership, joint venture, trust,
unincorporated organization, governmental agency or authority, or any other entity of whatever nature. 
 “Pledged
Collateral” has the meaning set forth in Section 2. 
 “Pledged Shares” means the issued and outstanding
shares of the capital stock, whether certificated or uncertificated, of the Company now owned by Pledgor and more specifically described in Schedule 1. 
 “UCC” means the Uniform Commercial Code as the same may, from time to time, be in effect in the State of California. 
 (c) Where applicable and except as otherwise defined herein, terms used in this Agreement shall have the meanings assigned to them in the UCC. 
 (d) In this Agreement, except to the extent the context otherwise requires: (i) any reference to an Article, a Section, a Schedule or an Exhibit is
a reference to an article or section thereof, or a schedule or an exhibit thereto, respectively, and to a subsection or a clause is, unless otherwise stated, a reference to a subsection or a clause of the Section or subsection in which the reference
appears; (ii) the words “hereof,” “herein,” “hereto,” “hereunder” and the like mean and refer to this Agreement as a whole and not merely to the specific Article, Section, subsection, paragraph or clause
in which the respective word appears; (iii) the meaning of defined terms shall be equally applicable to both the singular and plural forms of the terms defined; (iv) the words “including,” “includes” and
“include” shall be deemed to be followed by the words “without limitation;” (v) references to agreements and other contractual instruments shall be deemed to include all subsequent amendments and other modifications thereto;
(vi) references to statutes or regulations are to be construed as including all statutory and regulatory provisions consolidating, amending or replacing the statute or regulation referred to; (vii) any table of contents, captions and
headings are for convenience of reference only and shall not affect the construction of this Agreement; and (viii) in the computation of periods of time from a specified date to a later specified date, the word “from” means “from
and including”; the words “to” and “until” each mean “to but excluding”; and the word “through” means “to and including.” 
  

 2. 

 SECTION 2. Security Interest. 
 (a) As security for the payment and performance of the Obligations, Pledgor hereby pledges to Secured Party, and hereby grants to Secured Party a security
interest in, all of Pledgor’s right, title and interest in, to and under (i) the Pledged Shares and the Additional Pledged Collateral and any certificates and instruments now or hereafter representing the Pledged Shares and the Additional
Pledged Collateral, (ii) all rights, interests and claims with respect to the Pledged Shares and Additional Pledged Collateral, including under any and all related agreements, instruments and other documents, and (iii) all books, records
and other documentation of Pledgor related to the Pledged Shares and Additional Pledged Collateral, in each case whether presently existing or owned or hereafter arising or acquired and wherever located (collectively, the “Pledged
Collateral”). 
 (b) Pledgor hereby agrees to deliver to or for the account of Secured Party, at the address and to the Person or
Persons to be designated by Secured Party, the certificates representing the Pledged Shares, which shall be in suitable form for transfer by delivery, or shall be accompanied by duly executed instruments of transfer or assignment in blank, all in
form and substance satisfactory to Secured Party. 
 (c) If Pledgor shall become entitled to receive or shall receive any Additional Pledged
Collateral, Pledgor shall accept any such Additional Pledged Collateral as Secured Party’s agent, shall hold it in trust for Secured Party, shall segregate it from other property or funds of Pledgor, and shall deliver all Additional Pledged
Collateral and all certificates, instruments and other writings representing such Additional Pledged Collateral forthwith to or for the account of Secured Party, at the address and to the Person to be designated by Secured Party, which shall be in
suitable form for transfer by delivery, or shall be accompanied by duly executed instruments of transfer or assignment in blank, all in form and substance satisfactory to Secured Party, to be held by Secured Party subject to the terms hereof, as
part of the Pledged Collateral. Upon accepting any such Additional Pledged Collateral hereunder, Secured Party shall promptly send a notification to Pledgor describing the Additional Pledged Collateral accepted and held as part of the Pledged
Collateral hereunder, which notification shall be deemed to be a Schedule to this Agreement and may be attached hereto. 
 (d) Pledgor shall
execute and deliver to Secured Party concurrently with the execution of this Agreement, and Pledgor hereby authorizes Secured Party to file (with or without Pledgor’s signature), at any time and from time to time thereafter, all financing
statements, assignments, continuation financing statements, termination statements, and other documents and instruments, in form reasonably satisfactory to Secured Party, and take all other action, as Secured Party may reasonably request, to effect
a transfer of a perfected first priority security interest in and pledge of the Pledged Collateral to Secured Party pursuant to the UCC and to continue perfected, maintain the priority of or provide notice of the security interest of Secured Party
in the Pledged Collateral and to accomplish the purposes of this Agreement. Pledgor will cooperate with Secured Party in obtaining control (as defined in the UCC) of Pledged Collateral consisting of investment property. Pledgor will join with
Secured Party in notifying any third party who has possession of any Collateral of Secured Party’s security interest therein and obtaining an acknowledgment from the third party that is holding the Collateral for the benefit of Secured Party.
Pledgor ratifies and authorizes the filing by Secured Party of any financing statements filed prior to the date hereof. 
  

 3. 

 (e) This Agreement shall create a continuing security interest in the Pledged Collateral which shall
remain in effect until terminated in accordance with Section 15 hereof. 
 (f) In addition to any liability that Pledgor may have or owe
to Secured Party under the Amended TA or any other agreement between Secured Party and Pledgor, Pledgor shall have personal liability to Secured Party for (i) any damages, costs or other expense suffered by Secured Party as a result of the lack
of authenticity or genuineness of the Pledged Collateral delivered to Secured Party hereunder or the failure of Pledgor to deliver the items specified in Section 3(a)(ii) (including, without limitation, the first proviso thereof),
Section 3(b)(i) or Section 3(c), or otherwise perform its obligations hereunder; (ii) the payment of expenses hereunder or under any other Documents to which it is a party; or (iii) the breach of any representation, warranty or
other covenant contained herein or made in connection herewith or failure otherwise to perform its obligations hereunder or under any other Documents to which it is a party (including any indemnity obligations). 
 SECTION 3. Administration of the Pledged Collateral. 
 (a) Unless an Event of Default shall have occurred and be continuing: (i) Pledgor shall be entitled to receive and retain for its own account any cash dividend in amounts consistent with past practices in respect
of the Pledged Collateral, to the extent consistent with the Amended TA; and (ii) Pledgor shall have the right to vote the Pledged Collateral and to retain the power to control the direction, management and policies of the Company to the same
extent as Pledgor would if the Pledged Collateral were not pledged to Secured Party pursuant to this Agreement; provided, however, that Secured Party shall receive, and Pledgor shall not be entitled to receive, (A) cash paid,
payable or otherwise distributed in redemption of, or in exchange for or in substitution of, any Pledged Collateral, or (B) dividends and other distributions paid or payable in cash in respect of any Pledged Collateral in connection with a
partial or total liquidation or dissolution of the Company or in connection with a reduction of capital, capital surplus or paid-in-surplus or any other type of recapitalization involving the Company; and provided further,
however, that no vote shall be cast or consent, waiver or ratification given or action taken or proxy given which would have the effect of impairing the position or interest of Secured Party in respect of the Pledged Collateral or which would
alter the voting rights with respect to the stock of the Company or be inconsistent with or violate any provision of this Agreement or any other Documents or which would permit or direct the Borrower to breach its agreements with Secured Party.
Secured Party shall execute and deliver (or cause to be executed and delivered) to Pledgor all such proxies and other instruments as Pledgor may reasonably request for the purpose of enabling Pledgor to exercise the voting and other rights which it
is entitled to exercise, and to receive distributions which it is authorized to receive and retain, pursuant to this subsection (a). 
  

 4. 

 (b) Upon and after the occurrence of, and during the continuance of, any Event of Default:
(i) Secured Party shall be entitled to receive all distributions and payments of any nature with respect to the Pledged Collateral, to be held by Secured Party as part of the Pledged Collateral; (ii) Secured Party shall have the right
following prior written notice to Pledgor to vote or consent to take any action with respect to the Pledged Collateral and exercise all rights of conversion, exchange, subscription or any other rights, privileges or options pertaining to the Pledged
Collateral as if Secured Party were the absolute owner thereof; and (iii) Secured Party shall have the right, for and in the name, place and stead of Pledgor, to execute endorsements, assignments or other instruments of conveyance or transfer
with respect to all or any of the Pledged Collateral, to endorse any checks, drafts, money orders and other instruments relating thereto, to sue for, collect, receive and give acquittance for all moneys due or to become due in connection with the
Pledged Collateral and otherwise to file any claims, take any action or institute, defend, settle or adjust any actions, suits or proceedings with respect to the Pledged Collateral, execute any and all such other documents and instruments, and do
any and all such acts and things, as Secured Party may deem necessary or desirable to protect, collect, realize upon and preserve the Pledged Collateral, to enforce Secured Party’s rights with respect to the Pledged Collateral and to accomplish
the purposes of this Agreement. 
 (c) Distributions and other payments which are received by Pledgor but which it is not entitled to retain
as a result of the operation of subsection (A) or (B) shall be held in trust for the benefit of Secured Party, be segregated from the other property or funds of Pledgor, and be forthwith paid over or delivered to Secured Party in the same
form as so received. 
 (d) At any time and from time to time, Secured Party may cause any of the Pledged Collateral to be transferred into
its name or into the name of its nominee or nominees (subject to the revocable rights specified in subsection (a)). Secured Party shall at all times have the right to exchange uncertificated Pledged Collateral for certificated Pledged Collateral,
and to exchange certificated Pledged Collateral for certificates of larger or smaller denominations, for any purpose consistent with this Agreement. 
 (e) For the purpose of enabling Secured Party to exercise its rights under this Section 3 or otherwise in connection with this Agreement, Pledgor hereby (i) constitutes and appoints Secured Party (and any of
Secured Party’s officers, employees or agents designated by Secured Party) its true and lawful attorney-in-fact, with full power and authority to execute any notice, assignment, endorsement or other instrument or document, and to do any and all
acts and things for and on behalf of Pledgor, which Secured Party may deem necessary or desirable to protect, collect, realize upon and preserve the Pledged Collateral, to enforce Secured Party’s rights with respect to the Pledged Collateral
and to accomplish the purposes hereof, and (ii) revokes all previous proxies with regard to the Pledged Collateral and appoints Secured Party as its proxyholder with respect to the Pledged Collateral to attend and vote at any and all meetings
of the shareholders of the Company held on or after the date of this proxy and prior to the termination hereof, with full power of substitution to do so and agrees, if so requested, to execute or cause to be executed appropriate proxies therefor.
Each such appointment is coupled with an interest and irrevocable so long as the Obligations have not been paid and performed in full. Pledgor hereby ratifies, to the extent permitted by law, all that Secured Party shall lawfully and in good faith
do or cause to be done by virtue of and in compliance with this Section. 
  

 5. 

 (f) Notwithstanding any provision contained in this Agreement, Secured Party shall have no duty to
exercise any of the rights, privileges or powers afforded to it and shall not be responsible to Pledgor or any other Person for any failure to do so or delay in doing so. Beyond the exercise of reasonable care to assure the safe custody of the
Pledged Collateral while held hereunder and the accounting for moneys actually received by Secured Party hereunder, Secured Party shall have no duty or liability to exercise or preserve any rights, privileges or powers pertaining to the Pledged
Collateral. 
 SECTION 4. Representations and Warranties. Pledgor represents and warrants to Secured Party that: 
 (a) No authorization, consent, approval, license, exemption of, or filing or registration with, any governmental authority or agency, or approval or
consent of any other Person, is required for the due execution, delivery or performance by Pledgor of this Agreement. 
 (b) All the Pledged
Shares have been, and upon issuance any Additional Pledged Collateral will be, duly and validly issued, and are and will be fully paid and non-assessable. 
 (c) With respect to the Pledged Shares, Pledgor is, and with respect to any Additional Pledged Collateral Pledgor will be, the legal record and beneficial owner thereof, and has and will have good and marketable title
thereto, subject to no Lien except for the pledge and security interest created by this Agreement. 
 (d) Except as previously disclosed in
writing to Secured Party, (i) no securities convertible into or exchangeable for any shares of capital stock of the Company, or any options, warrants or other commitments entitling any Person to purchase or otherwise acquire any shares of
capital stock of the Company, are issued and outstanding; (ii) there are no restrictions on the transferability of the Pledged Collateral to Secured Party or with respect to the foreclosure, transfer or disposition thereof by Secured Party
(although Secured Party understands that Federal law might restrict the Company from selling its own shares although such restrictions would not apply to Secured Party should it exercise its remedies in the event of a default); and
(iii) there are no shareholders agreements, voting trusts, proxy agreements or other agreements or understandings which affect or relate to the voting or giving of written consents with respect to any of the Pledged Collateral. 
 (e) As of the date of this Agreement, Pledgor’s principal residence and (if different) its principal place of business are, and all books and
records concerning the Pledged Collateral are located at, its address set forth on the signature pages hereof; and Pledgor’s exact legal name is as set forth in the first paragraph of this Agreement. 
 (f) Other than (i) financing statements previously disclosed in writing to Secured Party and (ii) financing statements in favor of Secured
Party, no effective financing statement naming Pledgor as debtor, assignor, grantor, mortgagor, pledgor or the like and covering all or any part of the Pledged Collateral is on file in any filing or recording office in any jurisdiction. 

(g) Pledgor has rights in or the power to transfer the Pledged Collateral. 
  

 6. 

 (h) No control agreements exist with respect to any Pledged Collateral other than control agreements in
favor of Secured Party. 
 Pledgor agrees that the foregoing representations and warranties shall be deemed to have been made by it on the
date of each delivery of Pledged Collateral hereunder. 
 SECTION 5. Covenants. So long as any of the Obligations remain unsatisfied,
Pledgor agrees that: 
 (a) Pledgor will, at its own expense, appear in and defend any action, suit or proceeding which purports to affect its
title to, or right or interest in, the Pledged Collateral or the security interest of Secured Party therein and the pledge to Secured Party thereof. 
 (b) Pledgor shall give prompt written notice to Secured Party (and in any event not later than 30 days following any change described below in this subsection) of: (i) any change in Pledgor’s location of
principal residence and (if different) its principal place of business; (ii) any change in the location of books and records pertaining to Pledged Collateral; and (iii) any change in its name. 
 (c) Pledgor will not surrender or lose possession of (other than to Secured Party or, with the prior consent of Secured Party, to a depositary or
financial intermediary), exchange, sell, convey, transfer, assign or otherwise dispose of or transfer the Pledged Collateral or any right, title or interest therein. 
 (d) Pledgor will not create, incur or permit to exist any Liens upon or with respect to the Pledged Collateral, other than the security interest of and pledge to Secured Party created by this Agreement. 
 (e) Pledgor will not enter into any shareholders agreement, voting trust, proxy agreement or other agreement or understanding which affects or relates to
the voting or giving of written consents with respect to any of the Pledged Collateral. 
 (f) Pledgor will deliver promptly to Secured Party
all reports and notices received by Pledgor from the Company in respect of any of the Pledged Collateral, and make such demands and requests for information and reports as Pledgor is entitled to make in respect of the Pledged Collateral, in each
case as Secured Party shall reasonably request. 
 (g) Pledgor shall give Secured Party immediate notice of the establishment of (or any
change in or to) any securities account pertaining to any Pledged Collateral. 
 SECTION 6. Events of Default. Any of the following
events which shall occur and be continuing shall constitute an “Event of Default”: 
 (a) Pledgor shall fail to timely perform any
duty or obligation that it is required to perform under the Amended TA; 
 (b) Pledgor or Company shall become a debtor in a case under title
11 of the United States Code (the “Bankruptcy Code”), shall take any action seeking to dissolve or wind 

  

 7. 

 
up its affairs, shall make a general assignment for the benefit of creditors, shall become subject to control by a receiver, trustee or other custodian, or
shall permit or suffer to occur any exercise of remedies by another person or entity such as a creditor or governmental authority that is likely to have a material adverse affect either (i) on Secured Party’s ability to receive the benefit
of its bargain under any Document, or (ii) on the ability of Pledgor or the Company to operate its business or to manage its financial affairs; 
 (c) Pledgor or Company shall merge with another person or entity without being the surviving entity, or shall be acquired by another person or entity, or shall sell substantially all of its assets without the prior
written consent of Secured Party; 
 (d) Any event under the Amended TA shall occur that permits Secured Party to exercise any and all rights
and remedies available to Secured Party under any of its agreements with Pledgor or applicable law; 
 (e) Pledgor shall fail to timely pay
any amount payable hereunder or under any other Document, or any other Obligations, time being of the essence of any and all such payment obligations. 
 (f) Any representation or warranty by Pledgor under or in connection with this Agreement or any other Document shall prove to have been incorrect in any material respect when made or deemed made. 
 (g) Pledgor shall fail to perform or observe any other term, covenant or agreement contained in this Agreement on its part to be performed or observed
and any such failure shall remain unremedied for a period of 5 days from the occurrence thereof (unless Secured Party reasonably determines that such failure is not capable of remedy in which case no grace period shall apply). 
 (h) Any material impairment in the priority of Secured Party’s Lien hereunder. 
 (i) Any levy upon, seizure or attachment of any of the Pledged Collateral. 
 SECTION 7. Remedies. 
 (a) Upon the occurrence and continuance of any Event of Default, Secured Party
may declare any of the Obligations to be immediately due and payable and shall have, in addition to all other rights and remedies granted to it in this Agreement or any other Document, all rights and remedies of a secured party under the UCC and
other applicable laws. Without limiting the generality of the foregoing, Pledgor agrees that any item of the Pledged Collateral may be sold for cash or on credit or for future delivery without assumption of any credit risk, in any number of lots at
the same or different times, at any exchange, brokers’ board or elsewhere, by public or private sale, and at such times and on such terms, as Secured Party shall determine; provided, however, that Pledgor shall be credited with
the net proceeds of sale only when such proceeds are finally collected by Secured Party in cash. Secured Party shall give Pledgor such notice of any private or public sales as may be required by the UCC or other applicable law. Pledgor recognizes
that Secured Party may be unable to make a public sale of any or all of the 

  

 8. 

 
Pledged Collateral, by reason of prohibitions contained in applicable securities laws or otherwise, and expressly agrees that a private sale to a restricted
group of purchasers for investment and not with a view to any distribution thereof shall be considered a commercially reasonable sale. Secured Party shall have the right upon any such public sale, and, to the extent permitted by law, upon any such
private sale, to purchase the whole or any part of the Pledged Collateral so sold, free of any right or equity of redemption, which right or equity of redemption Pledgor hereby releases to the extent permitted by law. 
 (b) The cash proceeds actually received from the sale or other disposition or collection of Pledged Collateral, and any other amounts received in respect
of the Pledged Collateral the application of which is not otherwise provided for herein, shall be applied to the payment of the Obligations. Any surplus thereof which exists after payment and performance in full of the Obligations shall be promptly
paid over to Pledgor or otherwise disposed of in accordance with the UCC or other applicable law. Pledgor shall remain liable to Secured Party for any deficiency which exists after any sale or other disposition or collection of Pledged Collateral.

 (c) Pledgor waives, to the fullest extent permitted by law, (i) any right of redemption with respect to the Pledged Collateral,
whether before or after sale hereunder, and all rights, if any, of marshalling of the Pledged Collateral or other collateral or security for the Obligations; (ii) any right to require Secured Party (A) to proceed against any Person,
(B) to exhaust any other collateral or security for any of the Obligations, (C) to pursue any remedy in Secured Party’s power, or (D) to make or give any presentments, demands for performance, notices of nonperformance, protests,
notices of protests or notices of dishonor in connection with any of the Pledged Collateral; and (iii) all claims, damages, and demands against Secured Party arising out of the repossession, retention, sale or application of the proceeds of any
sale of the Pledged Collateral. 
 (d) Pledgor’s obligations hereunder shall remain in full force and effect without regard to, and
shall not be impaired or affected by, nor shall Pledgor be exonerated or discharged by, (A) any insolvency, bankruptcy, reorganization, arrangement, adjustment, composition, assignment for the benefit of creditors, liquidation, winding up or
dissolution of Company, Pledgor, any guarantor or any other Person; (B) any limitation, discharge, or cessation of the liability of Company or any Person for any Obligations due to any statute, regulation or rule of law, or any invalidity or
unenforceability in whole or in part of any of the Obligations; (C) any merger, acquisition, consolidation or change in structure of Company, Pledgor or any guarantor or other Person, or any sale, lease, transfer or other disposition of any or
all of the assets or shares of Company, Pledgor, any guarantor or other Person; (D) any assignment or other transfer, in whole or in part, of Secured Party’s interests in and rights under the Documents; (E) any claim, defense,
counterclaim or setoff, other than that of prior performance, that Company, Pledgor, any guarantor or other Person may have or assert, including any defense of incapacity or lack of corporate or other authority to execute or deliver any Document or
this Agreement or any other document related thereto; (F) any direction of application of payment to Company, Pledgor, any guarantor or other Person; and (G) Secured Party’s vote, claim, distribution, election, acceptance, action or
inaction in any bankruptcy case related to the Obligations. 
  

 9. 

 (e) [THIRD PARTY PLEDGOR PROVISIONS OMITTED]. 
 (f) Pledgor waives and agrees not to assert: (A) any right to require Secured Party to proceed against any other Person, to proceed against or
exhaust any collateral or other security held for the Obligations, to give notice of or institute any public or private sale, foreclosure, or other disposition of any collateral or security for the Obligations, including, without limitation, to
comply with applicable provisions of the UCC or any equivalent provision of any other applicable law in connection with the sale, foreclosure, or other disposition of any collateral or to pursue any other right, remedy, power or privilege of Secured
Party whatsoever, or give Pledgor any other notice with respect to the foregoing; (B) the defense of the statute of limitations in any action hereunder or for the collection or performance of the Obligations ; and (C) to the fullest extent
permitted by law, any other defenses or benefits that may be derived from or afforded by applicable law which may conflict with the terms of this Agreement or any Document. 
 (g) Pledgor waives any and all notice of the creation, renewal, modification, extension or accrual of the Obligations. The Obligations shall conclusively
be deemed to have been created, contracted, incurred and permitted to exist in reliance upon this Agreement. Pledgor waives promptness, diligence, presentment, protest, demand for payment, notice of default, dishonor or nonpayment and all other
notices to or upon Pledgor or any other Person with respect to the Obligations. 
 (h) [THIRD PARTY PLEDGOR PROVISIONS OMITTED]. 

(i) [THIRD PARTY PLEDGOR PROVISIONS OMITTED]. 
 (j) Pledgor waives any right it may have to require Secured Party to pursue any third person for any of the Obligations. Secured Party may comply with any applicable state or federal law requirements in connection with a disposition of the
Pledged Collateral and compliance will not be considered adversely to affect the commercial reasonableness of any sale of the Pledge Collateral. Secured Party may sell the Pledged Collateral without giving any warranties as to the Pledged
Collateral. Secured Party may specifically disclaim any warranties of title or the like. This procedure will not be considered adversely to affect the commercial reasonableness of any sale of the Pledged Collateral. If Secured Party sells any of the
Pledged Collateral upon credit, Pledgor will be credited only with payments actually made by the purchaser, received by Secured Party and applied to the indebtedness of the purchaser. In the event the purchaser fails to pay for the Pledged
Collateral, Secured Party may resell the Pledged Collateral, and Pledgor shall be credited with the proceeds of the sale. 
  

 10. 

 SECTION 8. Notices. All notices or other communications hereunder shall be in writing (including
by facsimile transmission) and mailed, sent or delivered to the respective parties hereto at or to their respective addresses or facsimile numbers set forth below their names on the signature pages hereof, or at or to such other address or facsimile
number as shall be designated by any party in a written notice to the other parties hereto. All such notices and communications shall be effective (i) if delivered by hand, when delivered; (ii) if sent by mail, upon the earlier of the date
of receipt or five business days after deposit in the mail, first class, postage prepaid; and (iii) if sent by facsimile transmission, when sent. 
 SECTION 9. No Waiver; Cumulative Remedies. No failure on the part of Secured Party to exercise, and no delay in exercising, any right, remedy, power or privilege hereunder shall operate as a waiver thereof, nor
shall any single or partial exercise of any such right, remedy, power or privilege preclude any other or further exercise thereof or the exercise of any other right, remedy, power or privilege. The rights and remedies under this Agreement are
cumulative and not exclusive of any rights, remedies, powers and privileges that may otherwise be available to Secured Party. 
 SECTION 10.
Binding Effect. This Agreement shall be binding upon Pledgor and its successors, assigns, personal representatives, heirs and legatees, and inure to the benefit of and be enforceable by Secured Party and its successors, endorsees, transferees
and assigns and shall bind any Person who becomes bound as a debtor to this Agreement. Pledgor may not assign, transfer, hypothecate or otherwise convey its rights, benefits, obligations or duties hereunder without the prior express written consent
of Secured Party. Any such purported assignment, transfer, hypothecation or other conveyance by Pledgor without the prior express written consent of Secured Party shall be void. 
 SECTION 11. Governing Law. This Agreement shall be governed by, and construed in accordance with, the law of the State of California, except as
required by mandatory provisions of law and to the extent the validity or perfection of the security interests hereunder, or the remedies hereunder, in respect of any Pledged Collateral are governed by the law of a jurisdiction other than
California. 
 SECTION 12. Entire Agreement; Amendment. This Agreement contains the entire agreement of the parties with respect to
the subject matter hereof. No amendment or waiver of any provision of this Agreement nor consent to any departure therefrom by Pledgor shall in any event be effective unless the same shall be in writing and signed by Secured Party, and then such
waiver or consent shall be effective only in the specific instance and for the specific purpose for which given. 
 SECTION 13.
Severability. Whenever possible, each provision of this Agreement shall be interpreted in such manner as to be effective and valid under all applicable laws and regulations. If, however, any provision of this Agreement shall be prohibited by
or invalid under any such law or regulation in any jurisdiction, it shall, as to such jurisdiction, be deemed modified to conform to the minimum requirements of such law or regulation, or, if for any reason it is not deemed so modified, it shall be
ineffective and invalid only to the extent of such prohibition or invalidity without affecting the remaining provisions of this Agreement, or the validity or effectiveness of such provision in any other jurisdiction. 
  

 11. 

 SECTION 14. Counterparts. This Agreement may be executed in any number of counterparts and by
different parties hereto in separate counterparts, each of which when so executed shall be deemed to be an original and all of which taken together shall constitute but one and the same agreement. 
 SECTION 15. Termination. Upon payment and performance in full of all Obligations, the security interests created by this Agreement shall terminate
and Secured Party shall promptly execute and deliver to Pledgor such documents and instruments reasonably requested by Pledgor as shall be necessary to evidence termination of all such security interests given by Pledgor to Secured Party hereunder.

 SECTION 16. Costs and Expenses. 
 (a) Pledgor agrees to pay on demand all costs and expenses of Secured Party, and the fees and disbursements of counsel, in connection with the enforcement or attempted enforcement of, and preservation of any rights or
interests under, this Agreement, including in any out-of-court workout or other refinancing or restructuring or in any bankruptcy case, and the protection, sale or collection of, or other realization upon, any of the Pledged Collateral, including
all expenses of taking, collecting, holding, sorting, handling, preparing for sale, selling, or the like, and other such expenses of sales and collections of Pledged Collateral. 
 (b) Any amounts payable to Secured Party under this Section 16 or otherwise under this Agreement if not paid upon demand shall bear interest from
the date of such demand until paid in full, at a rate per annum of 10%, not to exceed the highest lawful rate of interest. If 10% per annum is higher than the highest lawful rate of interest, then interest shall accrue at the highest rate of
interest permitted by applicable law. 
 IN WITNESS WHEREOF, the parties hereto have duly executed this Agreement, as of the date first above
written. 
  

									
	PLEDGOR:	 		 	SECURED PARTY:
			
	ACCENTIA BIOPHARMACEUTICALS, INC.	 		 	McKESSON CORPORATION
					
	By:	 	/s/ Francis E. O’Donnell, Jr.	 		 	By:	 	/s/ Jenifer Schineller
					
	Title:	 	CEO	 		 	Title:	 	VP Financial Services
					
	By:	 	  	 		 		 	 
				
	Title:	 	  	 		 	
			
	Address:	 		 	Address:
	324 South Hyde Park Avenue	 		 	One Post Street
	Suite 350	 		 	20th Floor
	Tampa, Florida 33606	 		 	San Francisco, CA 94104
	Email:	 	apearce@accentia.net	 		 	Email:	 	jenifer.schineller@mckesson.com
	Fax: (813) 864-2554	 		 	Fax: (415) 732-2967

  

 12. 

 SCHEDULE 1 
 to the Stock Pledge Agreement 
 PLEDGED SHARES 
 15,000,000 shares of common stock of BIOVEST INTERNATIONAL, INC being represented by stock certificates as follows: 
  

					
	 Certificate No.
	 	 Certificate Date
	 	 No. of Shares

		 		 	15,000,000

  

 S-1Employment Agreement

 Exhibit 10.1 
 EMPLOYMENT AGREEMENT 
 THIS EMPLOYMENT
AGREEMENT (the “Agreement”), made this 13th day of June, 2008 (the “Effective Date”), is entered into among Peter Wulff
(“Executive”), Alphatec Spine, Inc., a California corporation (the “ASI”), and Alphatec Holdings, Inc., a Delaware corporation (“Parent”) (collectively, ASI and Parent shall be referred to as the “Company”).

 1. Commencement. This Agreement, which shall govern Executive’s employment by the Company, shall become effective on the
Effective Date and the Executive’s employment pursuant to the terms of this Agreement shall begin on June 16, 2008 (the “Commencement Date”). 
 2. At-Will Employment. The parties to this Agreement agree and acknowledge that the Executive’s employment pursuant to this Agreement shall be considered at-will. Either party may terminate this Agreement
at any time, with or without cause pursuant to the terms of this Agreement. Similarly, the Company may change Executive’s position, responsibilities or compensation with or without cause or notice. Executive agrees and acknowledges that
Executive’s initial performance review will take place within 90 days of the Commencement Date. 
 3. Title; Capacity; Office.
The Company shall employ Executive, and Executive agrees to work for the Company initially as its Chief Financial Officer, Vice President and Treasurer. Executive shall perform the duties and responsibilities inherent in the position in which
Executive serves and such other duties and responsibilities as the President and Chief Executive Officer (or his or her designee(s)) shall from time to time reasonably assign to Executive. Executive shall report to the President and Chief Executive
Officer (or his or her designee(s)). 
 4. Compensation and Benefits. While employed by the Company, Executive shall be entitled to
the following (it being agreed, for the avoidance of doubt, that, except as provided in Section 5.2, amounts payable on the happening of any specified event will not be payable if the Executive is not employed by the Company upon the happening
of such event): 
 4.1 Salary. Commencing on the Commencement Date, the Company shall pay Executive a salary at an
annualized rate of $260,000, less applicable payroll withholdings, payable in accordance with the Company’s customary payroll practices. 
 4.2 Performance Bonus. If Executive remains employed through the last day of a fiscal year, Executive will be eligible to receive a discretionary cash performance bonus each fiscal year in an amount equal to
50% of the annual base salary for such fiscal year (the “Total Bonus Amount”) based on Executive’s achievement of annual performance objectives established by the board of directors of the Company (the “Board”) or their
designee(s) at the beginning of each fiscal year. If Executive does not remain employed through the end of a fiscal year, he/she will not be eligible to receive any amount as a performance bonus. The amount of the bonus paid to the Executive shall
be prorated with respect to any year in which the Executive was not a full-time employee at the start of such year. 

 4.3 Reimbursement of Expenses. Executive shall be entitled to prompt reimbursement
for reasonable expenses incurred or paid by Executive in connection with, or related to the performance of, Executive’s duties, responsibilities or services under this Agreement, upon presentation by Executive of documentation, expense
statements, vouchers and/or such other supporting information as the Company may reasonably request. Expenses that do not comply with applicable law and/or the Company’s Travel and Entertainment Policy will not be reimbursed under any
circumstances. 
 4.4 Equity. The Company will recommend to the
board of directors of the Parent that Executive receive a grant of options to purchase 150,000 shares of the common stock of Parent (the “Options”). If granted, the Options shall have an exercise price equal to the closing price of
Parent’s common stock on the date of issuance. The Options shall vest over a four-year period in 16 equal installments with the first tranch vesting three months after the date of issuance and an additional 1/16th of the options vesting every three months thereafter. The Options shall be subject, in all respects, to (i) the Alphatec Holdings, Inc. 2005 Employee,
Director and Consultant Stock Plan (the “Plan”), and (ii) an Incentive Stock Option Agreement to be entered into by the Parent and the Executive. 
 4.5 Vacation. The Executive may take up to four (4) weeks of paid vacation during each year at such times as shall be
consistent with the Company’s vacation policies and with vacations scheduled for other executives and employees (excluding the President and CEO) of the Company. 
 5. Termination of Employment. The Executive’s employment can terminate at any time with or without cause or notice: 
 5.1 Termination by the Company for Cause. If the Company terminates Executive for Cause, the Company shall have no obligation to
Executive other than for payment of wages earned through the termination date. For purposes of this Agreement, “Cause” means any one of the following: (i) Executive being convicted of a felony; (ii) Executive committing any act
of fraud or dishonesty resulting or intended to result directly or indirectly in personal enrichment at the expense of the Company; (iii) failure or refusal by Executive to follow policies or directives reasonably established by the President
and Chief Executive Officer or his or her designee(s) that goes uncorrected after notice has been provided to Executive; (iv) a material breach of this Agreement that goes uncorrected after notice has been provided to Executive; (v) any
gross or willful misconduct or negligence by Executive in the performance of Executive’s duties; (vi) egregious conduct by Executive that brings Company or any of its subsidiaries or affiliates into public disgrace or disrepute; or
(vii) a material violation of the Company’s Code of Conduct. 
 5.2 Termination by the Company Without Cause.
In the event that Executive’s employment is terminated without Cause, the Company shall continue for a period of nine months (the “Severance Period”), to pay to Executive the annual base salary then in effect and payment for accrued
but untaken vacation days. During the Severance Period, if the Executive is entitled to and elects to have COBRA coverage, the Company shall make a monthly payment to the Executive equal to the monthly cost of COBRA coverage under the Company’s
group health plan for the Executive and his family members who are entitled to such COBRA coverage. The Company shall not be obligated to make the severance payments otherwise provided for in Section 5.2 

 
unless the Executive provides to the Company, and does not revoke, a general release of claims in a form satisfactory to the Company. In addition, the
Executive shall not be entitled to the severance benefits set forth in this Section 5.2 in the event that the Executive’s employment with the Company is terminated either with Cause or without Cause prior to the 91st day after the Commencement Date. 
 6.
Additional Covenants of the Executive. 
 6.1 Noncompetition; Nonsolicitation; Nondisparagement. 
 (a) During Executive’s employment with the Company, Executive shall not, directly or indirectly, render services of a business,
professional or commercial nature to any other person or entity that competes with the Company’s business, whether for compensation or otherwise, or engage in any business activities competitive with the Company’s business, whether alone,
as an Executive, as a partner, or as a shareholder (other than as the holder of not more than one percent of the combined voting power of the outstanding stock of a public company), officer or director of any corporation or other business entity, or
as a trustee, fiduciary or in any other similar representative capacity of any other entity. Notwithstanding the foregoing, the expenditure of reasonable amounts of time as a member of other companies’ Board of Directors shall not be deemed a
breach of this if those activities do not materially interfere with the services required under this Agreement. 
 (b) During
Executive’s employment with the Company, and for a period of one year following the termination of the Executive’s employment with the Company, the Executive shall not, without the prior written consent of the Company: 
 (i) either individually or on behalf of or through any third party, directly or indirectly, solicit, entice or persuade or attempt to
solicit, entice or persuade any employee, agent, consultant or contractor of the Company or any of its affiliates (the “Company Group”) to leave the service of the Company Group for any reason; or 
 (ii) either individually or on behalf of or through any third party, directly or indirectly, interfere with, or attempt to interfere with,
the business relationship between the Company Group and any vendor, supplier, surgeon or hospital with which the Executive has interacted during the course of his employment with the Company. 
 (c) During Executive’s employment with the Company and at all times thereafter, Executive shall not make any statements that are
professionally or personally disparaging about, or adverse to, the interests of the Company or any of its divisions, affiliates, subsidiaries or other related entities, or their respective directors, officers, employees, agents, successors and
assigns (collectively, “Company-Related Parties”), including, but not limited to, any statements that disparage any person, product, service, finances, financial condition, capability or any other aspect of the business of any
Company-Related Party, and that Executive will not engage in any conduct which could reasonably be expected to harm professionally or personally the reputation of any Company-Related Party. 

 6.2 If any restriction set forth in this Section 6 is found by any court of
competent jurisdiction to be unenforceable because it extends for too long a period of time or over too great a range of activities or in too broad a geographic area, it shall be interpreted to extend only over the maximum period of time, range of
activities or geographic area as to which it may be enforceable. 
 6.3 The restrictions contained in this Section 6 are
necessary for the protection of the Proprietary Information and goodwill of the Company and are considered by Executive to be reasonable for such purpose. Executive agrees that any breach of this Section 7 will cause the Company substantial and
irrevocable damage and therefore, in the event of any such breach, in addition to such other remedies which may be available, the Company shall have the right to seek specific performance and injunctive relief. 
 7. Other Agreements. Executive represents that Executive’s performance of all the terms of this Agreement as an Executive of the Company does
not and will not breach any (i) agreement to keep in confidence proprietary information, knowledge or data acquired by Executive in confidence or in trust prior to Executive’s employment with the Company or (ii) agreement to refrain
from competing, directly or indirectly, with the business of any previous employer or any other party. 
 8. Notices. All notices
required or permitted under this Agreement shall be in writing and shall be deemed effective upon (a) a personal delivery, or (b) deposit in the United States Post Office, by registered or certified mail, postage prepaid. 
 9. Entire Agreement. This Agreement and the agreements related to the Options constitute the entire agreement between the parties and supersedes
all prior agreements and understandings, whether written or oral relating to the subject matter of this Agreement. 
 10. Amendment.
This Agreement may be amended or modified only by a written instrument executed by both the Company and Executive. 
 11. Successors and
Assigns. This Agreement shall be binding upon and inure to the benefit of both parties and their respective successors and assigns, including any corporation into which the Company may be merged or which may succeed to its assets or business,
provided, however, that the obligations of Executive are personal and shall not be assigned by Executive. The Company may assign this Agreement following the delivery of written notice to the Executive. 
 12. Miscellaneous. 
 12.1 No Waiver. No delay or omission by the Company in exercising any right under this Agreement shall operate as a waiver of that or any other right. A waiver or consent given by the Company on any one occasion shall be effective
only in that instance and shall not be construed as a bar or waiver of any right on any other occasion. 
 12.2
Severability. In case any provision of this Agreement shall be invalid, illegal or otherwise unenforceable, the validity, legality and enforceability of the remaining provisions shall in no way be affected or impaired thereby. 

 12.3 Governing Law. This Agreement shall be governed by and construed and enforced
in accordance with the internal laws of the State of California. 
 12.4 Consent to Arbitration. In the event of a
dispute involving this Agreement, the Executive consents and agrees that all disputes shall be resolved in accordance with the terms and conditions of the Mutual Agreement to Arbitrate Claims between the Company and the Executive. 
 12.5 Counterparts. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original but all of
which together shall constitute one and the same instrument. 
 [Signature Page Follows] 

 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the day and year set forth above. 

 

			
	
	/s/ Peter Wulff
	Peter Wulff
	
	ALPHATEC SPINE, INC.
		
	By:	 	/s/ Dirk Kuyper
	Name:	 	Dirk Kuyper
	Title:	 	President and CEO
	
	ALPHATEC HOLDINGS, INC.
		
	By:	 	/s/ Dirk Kuyper
	Name:	 	Dirk Kuyper
	Title:	 	President and CEO

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