Document:

EX-10.3

 Exhibit 10.3 

PHATHOM PHARMACEUTICALS, INC. 

2019 EQUITY INCENTIVE PLAN 

RESTRICTED STOCK GRANT NOTICE AND 

RESTRICTED STOCK AGREEMENT 

Phathom Pharmaceuticals, Inc. (the “Company”), pursuant to its 2019 Equity Incentive Plan (the
“Plan”), hereby grants to Participant the number of shares of the Company’s Common Stock (referred to herein as “Shares”) set forth below. This Restricted Stock award (this
“Award”) is subject to all of the terms and conditions as set forth herein and in the Restricted Stock Agreement attached hereto as Exhibit A (the “Agreement”) and the Plan, each of which is
incorporated herein by reference. Unless otherwise defined herein, the terms defined in the Plan shall have the same defined meanings in this Restricted Stock Grant Notice (“Grant Notice”) and the Agreement. 

 

			
	Participant:	 	  

		
	Grant Date:	 	  

		
	Vesting Commencement Date:	 	  

		
	Total Number of Shares of Restricted Stock:	 	  

		
	Vesting Schedule:	 	 The Shares shall vest and be released from the “Forfeiture Restriction” (as defined in
Section 2(a) of the Agreement) as follows:

		
		 	 [To be included in individual award agreements]

 By his or her signature and the Company’s signature below, Participant agrees to be bound
by the terms and conditions of the Plan, the Agreement and this Grant Notice. Participant has reviewed the Agreement, the Plan and this Grant Notice in their entirety, has had an opportunity to obtain the advice of counsel prior to executing this
Grant Notice and fully understands all provisions of this Grant Notice, the Agreement and the Plan. Participant hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Administrator of the Plan upon any
questions arising under the Plan or the Agreement. Participant shall also execute and deliver to the Company the stock assignment duly endorsed in blank, attached to this Grant Notice as Exhibit B (the “Stock
Assignment”). If Participant is married, his or her spouse has signed the Consent of Spouse attached to this Grant Notice as Exhibit C. 
  

									
	 PHATHOM PHARMACEUTICALS, INC.
	  		  	 PARTICIPANT

					
	 By:
	 	          
	  		  	 By:
	  	  

					
	 Print Name:
	 	  
	  	     
	  	 Print Name:
	  	  

					
	 Title:
	 	  
	  		  	 State of
	  	
		 		  		  	 Residence:
	  	  

 EXHIBIT A 

TO RESTRICTED STOCK GRANT NOTICE 

RESTRICTED STOCK AGREEMENT 

Pursuant to the Grant Notice to which this Agreement is attached, the Company has granted to Participant the number of Shares
indicated in the Grant Notice. 
 1. Grant of Restricted Stock. 

(a) Grant of Restricted Stock. In consideration of Participant’s past and/or continued employment with or service
to the Company or a parent or subsidiary of the Company and for other good and valuable consideration, which the Administrator has determined exceeds the par value per Share, effective as of the Grant Date set forth in the Grant Notice, the Company
irrevocably grants to Participant the Shares set forth in the Grant Notice, upon the terms and conditions set forth in the Plan and this Agreement. 

(b) Issuance of Shares. On the Grant Date, the Company shall issue the Shares to Participant and shall (i) cause a
share certificate or certificates representing the Shares to be registered in the name of Participant, or (ii) cause such Shares to be held in book entry form. If a share certificate is issued, it shall be delivered to and held in custody by
the Company and shall bear the restrictive legends required by Section 4(a) below. If the Shares are held in book entry form, then such entry will reflect that the Shares are subject to the restrictions of this Agreement. 

(c) Rights as a Stockholder. Except as otherwise provided herein, upon issuance of the Shares by the Company to
Participant (as evidenced by the appropriate entry on the books of the Company or of a duly authorized transfer agent of the Company), Participant shall have all the rights of a stockholder with respect to said Shares, including the right to receive
any cash or stock dividends or other distributions paid to or made with respect to the Shares, subject to the restrictions described in the following sentence, which restrictions shall lapse when the Unreleased Shares are released from the
Forfeiture Restriction as set forth in Section 2. Unless otherwise provided by the Administrator, if any dividends or distributions are paid in cash or shares, or consist of a dividend or distribution to holders of Common Stock of property, the
cash, shares or other property paid or made with respect to Unreleased Shares will be retained in custody by the Company (without interest) (the “Retained Distributions”) and subject to the same forfeiture and transferability
restrictions as the Unreleased Shares with respect to which they were paid or made and shall automatically be forfeited to the Company for no consideration in the event of the forfeiture of the Unreleased Shares with respect to which they were paid
pursuant to the Forfeiture Restriction. Any Retained Distributions held by the Company that were paid on those Unreleased Shares as to which the Forfeiture Restriction and transfer restrictions lapse or are removed shall also be released to
Participant at the time of such lapse or removal. In no event shall a Retained Distribution be paid with respect to Unreleased Shares later than the end of the calendar year in which the corresponding dividends or distributions are paid to holders
of Common Stock or, if later, the 15th day of the third month following the later of (a) the date the dividends or distributions are paid to holders of Common Stock and (b) the date the Unreleased Shares with respect to which the Retained
Distributions are paid vest. Participant shall enjoy rights as a stockholder until such time as Participant disposes of the Shares or the Company and/or its assignee(s) exercises the Right of First Refusal under the Plan. Upon such exercise,
Participant shall have no further rights as a holder of the Shares except the right to receive payment for the Shares so purchased in accordance with the provisions of the Plan and this Agreement, and Participant shall forthwith cause the
certificate(s), if any issued, evidencing the Shares so purchased to be surrendered to the Company for transfer or cancellation. 

 2. Restrictions on Shares. 

(a) Forfeiture Restriction. Subject to the provisions of Section 2(b) below, in the event of Participant’s
Termination of Service for any reason, all of the Shares which, from time to time, have not yet been released from the Forfeiture Restriction (together with and any Retained Distributions paid thereon pursuant to Section 1(c) and held by the
Company, the “Unreleased Shares”) shall thereupon be forfeited immediately and without any further action by the Company (the “Forfeiture Restriction”). Upon the occurrence of such forfeiture, the
Company shall become the legal and beneficial owner of the Unreleased Shares, and all rights and interests therein or relating thereto, and the Company shall have the right to retain and transfer to its own name the number of Unreleased Shares being
forfeited by Participant. The Unreleased Shares shall be held by the Company in accordance with Section 3 until the Shares are forfeited as provided in this Section 2(a), until such Unreleased Shares are fully released from the Forfeiture
Restriction, or until such time as this Agreement no longer is in effect. Participant hereby authorizes and directs the Secretary of the Company, or such other person designated by the Administrator, to transfer the Unreleased Shares which have been
forfeited pursuant to this Section 2(a) from Participant to the Company. 
 (b) Release of Shares from Forfeiture
Restriction. The Shares shall be released from the Forfeiture Restriction in accordance with the vesting schedule set forth in the Grant Notice. As soon as administratively practicable following the release of any Shares from the Forfeiture
Restriction, the Company shall, as applicable, either deliver to Participant the certificate or certificates representing such Shares in the Company’s possession belonging to Participant, or, if the Shares are held in book entry form, then the
Company shall remove the notations on the book form. Participant (or the beneficiary or personal representative of Participant in the event of Participant’s death or incapacity, as the case may be) shall deliver to the Company any
representations or other documents or assurances as the Company or its representatives deem necessary or advisable in connection with any such delivery. 

(c) Transferability. Except as otherwise permitted by the Administrator, the Unreleased Shares shall not be sold,
assigned, transferred, pledged or otherwise encumbered by Participant, either voluntarily or by operation of law, except by will or the laws of descent and distribution. 

3. Escrow. To insure the availability for delivery of the Unreleased Shares in the event of the application of
the Forfeiture Restriction, Participant appoints the Secretary of the Company, or such other person designated by the Administrator from time to time as escrow agent, as its
attorney-in-fact to sell, assign and transfer unto the Company, such Unreleased Shares, if any, forfeited pursuant to the Forfeiture Restriction, together with any
Retained Distributions paid thereon pursuant to Section 1(c) and held by the Company, and shall deliver and deposit with the Secretary of the Company, or such other person designated by the Administrator from time to time, the share
certificate(s) representing the Shares, together with the Stock Assignment. The Unreleased Shares and Stock Assignment (and any Retained Distributions) shall be held by the Secretary, or such other person designated by the Administrator from time to
time, in escrow, until the Shares are forfeited as provided in Section 2(a), until such Shares are fully released from the Forfeiture Restriction or until such time as this Agreement no longer is in effect. Upon release of the Unreleased Shares
from the Forfeiture Restriction, the escrow agent shall as soon as reasonably practicable deliver to Participant the certificate or certificates representing such Shares in the escrow agent’s possession belonging to Participant, and the escrow
agent shall be discharged of all further obligations hereunder. The Company, or its designee, shall not be liable for any act it may do or omit to do with respect to holding the Shares (or any Retained Distributions) in escrow and while acting in
good faith and in the exercise of its judgment. 
 4. Restrictive Legends and Stop-Transfer Orders. 

  
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 (a) Legends. Participant understands and agrees that the Company
shall cause any certificates issued evidencing the Shares to have the legends set forth below or legends substantially equivalent thereto, together with any other legends that may be required by Applicable Laws: 

THE SHARES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (“ACT”), NOR HAVE
THEY BEEN REGISTERED OR QUALIFIED UNDER THE SECURITIES LAWS OF ANY STATE. NO TRANSFER OF SUCH SECURITIES WILL BE PERMITTED UNLESS A REGISTRATION STATEMENT UNDER THE ACT IS IN EFFECT AS TO SUCH TRANSFER, THE TRANSFER IS MADE IN ACCORDANCE WITH RULE
144 UNDER THE ACT, OR IN THE OPINION OF COUNSEL (WHICH MAY BE COUNSEL FOR THE COMPANY) REGISTRATION UNDER THE ACT IS UNNECESSARY IN ORDER FOR SUCH TRANSFER TO COMPLY WITH THE ACT AND WITH APPLICABLE STATE SECURITIES LAWS. 

THE SHARES REPRESENTED BY THIS CERTIFICATE MAY BE SUBJECT TO FORFEITURE PURSUANT TO, AND MAY BE TRANSFERRED ONLY IN ACCORDANCE
WITH, THE TERMS OF AN AGREEMENT BETWEEN THE COMPANY AND THE STOCKHOLDER, A COPY OF WHICH IS ON FILE WITH THE SECRETARY OF THE COMPANY. SUCH FORFEITURE AND/OR TRANSFER RESTRICTIONS ARE BINDING ON TRANSFEREES OF THESE SHARES. 

(b) Stop Transfer Orders. Participant agrees that, in order to ensure compliance with the restrictions referred to in
the Plan and this Agreement, the Company may issue appropriate “stop transfer” instructions to its transfer agent, if any, and that, if the Company transfers its own securities, it may make appropriate notations to the same effect in
its own records. 
 (c) Impermissible Transfers Void. The Company shall not be required (i) to transfer on its
books any Shares that have been sold or otherwise transferred in violation of any of the provisions of this Agreement or (ii) to treat as owner of such Shares or to accord the right to vote or pay dividends to any purchaser or other transferee
to whom such Shares shall have been so transferred. Any transfer or attempted transfer of the Shares not in accordance with the terms of this Agreement shall be void. 

5. Taxes. 

(a) Tax Consequences of Award. Participant understands that Participant may suffer adverse tax consequences as a result
of Participant’s receipt of, vesting in or disposition of the Shares. Participant represents that Participant has consulted with any tax consultants Participant deems advisable in connection with the receipt of the Shares and that Participant
is not relying on the Company for any tax advice. Participant is relying solely on such advisors and not on any statements or representations of the Company or any of its agents. Participant understands that Participant (and not the Company) shall
be responsible for Participant’s tax liability that may arise as a result of the transactions contemplated by this Agreement. 

(b) Section 83(b) Election for Unreleased Shares. Participant acknowledges that, unless an election
is filed by Participant with the Internal Revenue Service and, if necessary, the proper 

  
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state taxing authorities, within thirty days of the receipt of the Unreleased Shares, electing pursuant to Section 83(b) of the Code (and similar state tax provisions if applicable) to be
taxed currently on their Fair Market Value on the date of issuance, there will be a recognition of taxable income to the Participant equal to the Fair Market Value of the Unreleased Shares at the time the Forfeiture Restriction lapses. Participant
represents that Participant has consulted any tax consultant(s) Participant deems advisable in connection with the purchase of the Shares or the filing of the election under Section 83(b) of the Code and similar tax provisions. 

PARTICIPANT ACKNOWLEDGES THAT IT IS PARTICIPANT’S SOLE RESPONSIBILITY AND NOT THE COMPANY’S TO TIMELY FILE THE
ELECTION UNDER SECTION 83(B) OF THE CODE, AND THE COMPANY AND ITS REPRESENTATIVES SHALL HAVE NO OBLIGATION OR AUTHORITY TO MAKE THIS FILING ON PARTICIPANT’S BEHALF. 

(b) Tax Withholding. The Company shall have the authority and the right to deduct or withhold, or require Participant to
remit to the Company, an amount sufficient to satisfy federal, state, local and foreign taxes (including Participant’s employment tax obligation) required by Applicable Law to be withheld with respect to any taxable event concerning Participant
arising as a result of the grant or vesting of the Shares or otherwise under this Agreement, including, without limitation, the authority to deduct such amounts from other compensation payable to Participant by the Company. 

6. Participant Representations. Participant hereby makes the following certifications and representations with
respect to the Shares listed above: 
 (a) Participant is aware of the Company’s business affairs and financial
condition and has acquired sufficient information about the Company to reach an informed and knowledgeable decision to acquire the Shares. Participant is acquiring these Shares for investment for Participant’s own account only and not with a
view to, or for resale in connection with, any “distribution” thereof within the meaning of the Securities Act. 

(b) Participant acknowledges and understands that the Shares constitute “restricted securities” under the Securities
Act and have not been registered under the Securities Act in reliance upon a specific exemption therefrom, which exemption depends upon, among other things, the bona fide nature of Participant’s investment intent as expressed herein.
Participant understands that the Shares must be held indefinitely unless they are subsequently registered under the Securities Act or an exemption from such registration is available. Participant further acknowledges and understands that the Company
is under no obligation to register the Shares. Participant understands that the certificate evidencing the Shares will be imprinted with a legend which prohibits the transfer of the Shares unless they are registered or such registration is not
required in the opinion of counsel satisfactory to the Company and any other legend required under Applicable Laws. 
 (c)
Participant is familiar with the provisions of Rule 701 and Rule 144, each promulgated under the Securities Act, which, in substance, permit limited public resale of “restricted securities” acquired, directly or indirectly from
the issuer thereof, in a non-public offering subject to the satisfaction of certain conditions. In the event the Company becomes subject to the reporting requirements of Section 13 or 15(d) of the
Exchange Act, ninety days thereafter (or such longer period as any market stand-off agreement may require) the securities exempt under Rule 701 may be resold, subject to the satisfaction of certain of the
conditions specified by Rule 144. 

  
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 (d) In the event that the Company does not qualify under Rule 701 at
the time of issuance of the Shares, then the securities may be resold in certain limited circumstances subject to the provisions of Rule 144. 

(e) Participant further understands that in the event all of the applicable requirements of Rule 701 or 144 are not
satisfied, registration under the Securities Act, compliance with Regulation A, or some other registration exemption will be required; and that, notwithstanding the fact that Rules 144 and 701 are not exclusive, the Staff of the Securities and
Exchange Commission has expressed its opinion that persons proposing to sell private placement securities other than in a registered offering and otherwise than pursuant to Rules 144 or 701 will have a substantial burden of proof in establishing
that an exemption from registration is available for such offers or sales, and that such persons and their respective brokers who participate in such transactions do so at their own risk. Participant understands that no assurances can be given that
any such other registration exemption will be available in such event. 
 7. Miscellaneous. 

(a) No Right To Employment or Other Status. No person shall have any claim or right to be granted an Award, and the
grant of an Award shall not be construed as giving Participant the right to continued employment or any other relationship with the Company. The Company expressly reserves the right at any time to dismiss or otherwise terminate its relationship with
Participant free from any liability or claim under the Plan or this Agreement. 
 (b) Notices. Any notice to be given
under the terms of this Agreement to the Company shall be addressed to the Company in care of the Secretary of the Company at the Company’s principal executive offices, and any notice to be given to Participant shall be addressed to Participant
at the most-recent physical or email address for Participant listed in the Company’s personnel records. By a notice given pursuant to this Section 7(b), either party may hereafter designate a different address for notices to be given to
that party. Any notice shall be deemed duly given when sent via email or when sent by certified mail (return receipt requested) and deposited (with postage prepaid) in a post office or branch post office regularly maintained by the United States
Postal Service. 
 (c) Successors and Assigns. The Company may assign any of its rights under this Agreement to single
or multiple assignees, and this Agreement shall inure to the benefit of the successors and assigns of the Company. Subject to the restrictions on transfer herein set forth, this Agreement shall be binding upon Participant and his or her heirs,
executors, administrators, successors and assigns. 
 (d) Severability. In the event any portion of the Plan or this
Agreement or any action taken pursuant hereto shall be held illegal or invalid for any reason, the illegality or invalidity shall not affect the remaining parts of the Plan and this Agreement, and the Plan and this Agreement shall be construed and
enforced as if the illegal or invalid provisions had not been included, and the illegal or invalid action shall be null and void. 

(e) Entire Agreement; Governing Documents. The Plan, the Grant Notice and this Agreement (including all Exhibits
thereto) constitute the entire agreement of the parties and supersede in their entirety all prior undertakings and agreements of the Company and Participant with respect to the subject matter hereof. In the event of any contradiction between the
Plan and this Agreement or any other written agreement between a Participant and the Company that has been approved by the Administrator, the terms of the Plan shall govern. Participant hereby agrees to execute such further instruments and to take
such further action as the Company requests to carry out the purposes and intent of this Agreement and the Plan, including, without limitation, restrictions on the transferability of shares of Common Stock, the right of the Company to repurchase
shares of Common Stock, the right of the Company to require that 

  
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shares of Common Stock be transferred in the event of certain transactions, tag-along rights, bring-along rights, redemption and co-sale rights and voting requirements in accordance with Section 10(o) of the Plan. 

(f) Governing Law. The provisions of the Plan and all Awards made thereunder, including the Shares, shall be
governed by and interpreted in accordance with the laws of the State of Delaware, disregarding choice-of-law principles of the law of any state that would require the
application of the laws of a jurisdiction other than such state. 
 (g) Titles and Headings. The titles and headings
of the Sections in this Agreement are for convenience of reference only and, in the event of any conflict, the text of this Agreement, rather than such titles or headings, shall control. 

  
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 EXHIBIT B 

TO STOCK OPTION GRANT NOTICE 

STOCK ASSIGNMENT 
 [See
instructions below] 
 FOR VALUE RECEIVED I, _______________________, hereby sell, assign and transfer unto
____________________ the shares of the Common Stock of Phathom Pharmaceuticals, Inc. registered in my name on the books of said corporation represented by Certificate No. _____ and do hereby irrevocably constitute and appoint
                                        
     to transfer the said stock on the books of the within named corporation with full power of substitution in the premises. 

This Assignment Separate from Certificate may be used only in accordance with the Restricted Stock Grant Notice and Restricted
Stock Agreement between Phathom Pharmaceuticals, Inc. and the undersigned dated __________________.  

Dated:                    
,         
  

			
	 Signature:
	 	  

		 	 [Name]

 INSTRUCTIONS: Please do not fill in any blanks other than the signature line. The
purpose of this assignment is to enable the Company to enforce the Forfeiture Restriction, as set forth in the Restricted Stock Grant Notice and Restricted Stock Agreement, without requiring additional signatures on the part of Participant. 

  
 B-1 

 EXHIBIT C 

TO RESTRICTED STOCK GRANT NOTICE 

CONSENT OF SPOUSE 

I, ________________________, spouse of _________, have read and approve the foregoing Restricted Stock Grant Notice and
Restricted Stock Agreement dated ____________, between my spouse and Phathom Pharmaceuticals, Inc. In consideration of issuing to my spouse the shares of the Common Stock of Phathom Pharmaceuticals, Inc. set forth in the Restricted Stock Grant
Notice and Restricted Stock Agreement, I hereby appoint my spouse as my attorney-in-fact in respect to the exercise of any rights under the Restricted Stock Grant Notice
and Restricted Stock Agreement and agree to be bound by the provisions of the Restricted Stock Grant Notice and Restricted Stock Agreement insofar as I may have any rights in said Agreement or any shares issued pursuant thereto under the community
property laws or similar laws relating to marital property in effect in the state of our residence as of the date of the signing of the Restricted Stock Grant Notice and Restricted Stock Agreement. 

 

									
	 Dated: _______________, ____
	 		 		 	 Signature of Spouse:EX-10.9

 Exhibit 10.9 

PHATHOM PHARMACEUTICALS, INC. 
 July 21,
2019 
 Azmi Nabulsi, MD., M.P.H. 
  

	Re:	 Employment Offer Letter 

Dear Azmi: 

Phathom Pharmaceuticals, Inc. (the “Company”) is pleased to offer you a position on the terms set
forth in this letter (this “Agreement”) effective as of May 7, 2019. 

•    DUTIES. You shall serve and shall perform
such duties as are customarily associated with the position of Chief Operating Officer and such other duties as are assigned to you by your supervisor, David Socks, President, Chief Executive Officer, Treasurer and Secretary. Your job duties and
responsibilities may change from time to time, without advance notice, in the sole discretion of the Company. You shall initially report to David Socks and shall perform your services on a full-time basis at the Company’s facilities in Cook
County, Illinois. This is an exempt position. You shall devote your full working time and attention to the business affairs of the Company. 

•    COMPENSATION. Your initial compensation will be as follows: 

 

	 	•	 	 BASE SALARY. You will receive an annual base salary of $470,000 for all
hours worked, less taxes, authorized withholdings and other legally required deductions. You will be paid in accordance with the Company’s customary payroll procedures as established and modified from time-to-time. 

  

	 	•	 	 ANNUAL BONUS. In addition to your base
salary, you may be eligible to earn, for each fiscal year of the Company ending during the term of your employment with the Company, an annual cash performance bonus under the Company’s bonus plan, as approved from time to time by the board of
directors. Your maximum annual bonus will be forty percent (40%) of your base salary actually paid for the year to which such annual bonus relates. Your actual annual bonus will be determined on the basis of your and/or the Company’s attainment
of financial or other performance criteria established by the board of directors or its designee in accordance with the terms and conditions of such bonus plan. You must be employed by the Company on the date of payment of such annual bonus in order
to be eligible to receive such annual bonus. You hereby acknowledge and agree that nothing contained herein confers upon you any right to an annual bonus in any year, and that whether the Company pays you an annual bonus and the amount of any such
annual bonus will be determined by the Company in its sole discretion. 

  

	 	•	 	 BENEFITS. You shall be eligible to participate in all of
the employee benefit plans or programs the Company generally makes available to similarly situated 

  
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employees, pursuant to the terms and conditions of such plans. You will also be entitled to vacation and/or paid time off each year in accordance with Company policy and all holidays observed by
the Company each year. The Company reserves the right to change compensation and benefits provided to its employees from time to time in its discretion. 

  

	 	•	 	 WITHHOLDING. All amounts payable to you will be subject to
appropriate payroll deductions and withholdings. 

•    EXPENSES. You will be entitled to reimbursement for all ordinary and
reasonable out-of-pocket business expenses which are reasonably incurred by you in furtherance of the Company’s business, with appropriate documentation and in
accordance with the Company’s standard policies. 
 •    COMPANY
POLICIES AND PROPRIETARY INFORMATION AND INVENTIONS ASSIGNMENT AGREEMENT. As an employee of the Company, you shall be
expected to abide by all of the Company’s policies and procedures and the Company’s employee handbook, if any. As a condition of your employment, you agree to execute and abide by the terms of the Company’s form of the Proprietary
Information and Inventions Assignment Agreement, which shall survive termination of your employment with the Company and the termination of this Proprietary Information and Inventions Assignment Agreement. You acknowledge that a remedy at law for
any breach or threatened breach by you of the provisions of the Proprietary Information and Inventions Assignment Agreement would be inadequate, and you therefore agree that the Company shall be entitled to injunctive relief in case of any such
breach or threatened breach. The Company may modify, revoke, suspend or terminate any of the terms, plans, policies and/or procedures described in the employee handbook, if any, or as otherwise communicated to you, in whole or part, at any time,
with or without notice. 
 •    EMPLOYMENT
TERMS. As a condition to your employment with the Company, you are required to (a) sign and return a satisfactory I-9 Immigration form providing sufficient
documentation establishing your employment eligibility in the United States, and (b) provide satisfactory proof of your identity as required by United States law. 

•    OTHER AGREEMENTS. You represent and agree that your
performance of your duties for the Company shall not violate any agreements, obligations or understandings that you may have with any third party or prior employer. Without limiting the foregoing, you represent and agree that you are not bound by
any non-compete or non-solicitation agreement or any other type of agreement that would prohibit your employment with the Company. You agree not to make any unauthorized
disclosure or use, on behalf of the Company, of any confidential information belonging to any of your former employers. You also represent that you are not in unauthorized possession of any materials containing a third party’s confidential and
proprietary information. While employed by the Company, you will not engage in any business activity in competition with the Company nor make preparations to do so. In the event that you wish to undertake a business activity outside the scope of
your employment by the Company, which activity you believe entails no conflict with the Company’s activities, you agree to inform the Company of your intentions before the initiation of such outside business activity, and you furthermore agree
to abide by the Company’s decision as to whether or not there is no conflict. If, in the Company’s sole determination, a conflict exists or is likely to develop, you agree not to undertake such outside business activity. 

•    AT-WILL
EMPLOYMENT. Your employment with the Company will be “at-will” at all times, including after your introductory, probationary period, meaning that either you or the Company will be
entitled to terminate your employment at any time and for any reason, with or without cause. Any contrary representations that may have been made to you are superseded by this offer. This Agreement in

  
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no way represents a fixed-term employment contract. This is the full and complete agreement between you and the Company on this term. Although your job duties, title, compensation and benefits,
as well as the Company’s personnel policies and procedures, may change from time to time, the “at will” nature of your employment may only be changed in an express written agreement signed by you and a duly authorized officer of the
Company. 

•    
NON-INTERFERENCE. While employed by the Company, and for one (1) year immediately following the date on which you terminate employment or otherwise cease
providing services to the Company, you agree not to interfere with the business of the Company by (a) soliciting or attempting to solicit any employee or consultant of the Company to terminate such employee’s or consultant’s
employment or service in order to become an employee, consultant or independent contractor to or for any other person or entity or (b) soliciting or attempting to solicit any vendor, supplier, customer or other person or entity either directly
or indirectly, to direct his, her or its purchase of the Company’s products and/or services to any person, firm, corporation, institution or other entity in competition with the business of the Company. The foregoing restrictions shall not
apply with respect to the bona fide hiring and firing of Company personnel to the extent such acts are part of your duties for Company. Your duties under this paragraph shall survive termination of your employment with the Company and the
termination of this Agreement. 
 •    REASONABLENESS OF
TERMS. You agree that the terms contained in the “Other Agreements” and “Non-Interference” paragraphs above are reasonable in all respects and that the restrictions
contained therein are designed to protect the Company against unfair competition. In the event a court determines that any of the terms or provisions of this Agreement are unreasonable, the court may limit the application of any provision or term,
or modify any provision or term, and proceed to enforce this Agreement as so limited or modified. 

•    GOVERNING LAW; JURISDICTION AND
VENUE. This Agreement, for all purposes, shall be construed in accordance with the laws of the State of Illinois without regard to conflicts-of-law
principles. Any action or proceeding by either party to enforce this Agreement shall be brought only in any state or federal court located in Cook County, Illinois. The parties hereby irrevocably submit to the exclusive jurisdiction of such courts
and waive the defense of inconvenient forum to the maintenance of any such action or proceeding in such venue. 

•    SEVERABILITY. Whenever possible, each
provision of this Agreement will be interpreted in such manner as to be effective and valid under applicable law, but if any provision of this Agreement is held to be invalid, illegal or unenforceable in any respect under any applicable law or rule
in any jurisdiction, such invalidity, illegality or unenforceability will not affect any other provision or any other jurisdiction, but this Agreement will be reformed, construed and enforced in such jurisdiction as if such invalid, illegal or
unenforceable provisions had never been contained herein. 
 •    SUCCESSORS
AND ASSIGNS. This Agreement is intended to bind and inure to the benefit of and be enforceable by you and the Company, and their respective successors, assigns, heirs, executors and
administrators, except that you may not assign any of your duties hereunder and you may not assign any of your rights hereunder, without the written consent of the Company, which shall not be withheld unreasonably. 

•    ENTIRE AGREEMENT. This Agreement and the Proprietary
Information and Inventions Assignment Agreement constitute the complete, final and exclusive embodiment of the entire agreement between you and the Company with respect to the terms and conditions of your employment specified herein and therein.
This Agreement and the Proprietary Information and Inventions Assignment Agreement supersede any other such promises, obligations, warranties, representations or agreements 

  
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between you and the Company, including, but not limited to, any previous offer letters or consulting agreements between you and the Company, or any predecessor thereto, and you agree that any and
all such prior promises, obligations, warranties, representations and agreements are hereby terminated. This Agreement may not be amended or modified except by a written instrument signed by you and a duly authorized officer of the Company. 

If you choose to accept this Agreement under the terms described above, please acknowledge your acceptance of our offer by
returning a signed copy of this letter and the Proprietary Information and Inventions Assignment Agreement to our attention. 
 Sincerely,

 Phathom Pharmaceuticals, Inc. 
  

			
	 /s/ David Socks

	 Name:
	 	 David Socks

	 Title:
	 	 CEO

 Agreed and Accepted:  

I have read and understood this Agreement and hereby acknowledge, accept and agree to the terms as set forth above and further
acknowledge and agree that no other commitments were made to me as part of my employment offer except as specifically set forth herein.  
  

							
	 /s/ Azmi Nabulsi
	 		 	 Date:
	 	 July 21st, 2019

	 Azmi Nabulsi
	 		 		 	

  

			
	 Attachments:
	  	 Proprietary Information and Inventions Assignment Agreement

  
 4

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