Exhibit 10.3

RAPID7, INC.

Re: Severance and Equity Award Vesting Acceleration

Dear                             :

We are pleased to inform you that the Compensation Committee of the Board of
Directors of Rapid7, Inc. (the “Company”) has approved severance and vesting
acceleration terms for you, which are described in this letter agreement (the
“Agreement”).

The vesting acceleration described in Section 2, below shall apply to each of
your outstanding compensatory equity awards granted to you prior to the date
hereof under the Company’s 2011 Stock Option and Grant Plan, as amended (the
“2011 Plan”) or the Company’s 2015 Equity Incentive Plan, as amended (the “2015
Plan” and together with the 2011 Plan, the “Plans”) to the extent such award(s),
(the “Equity Awards”), were granted to you while you were an Eligible Employee.
Capitalized terms used in this Agreement and not defined herein shall have the
meanings set forth in the applicable Plan. This Agreement amends the terms of
the Equity Awards that have previously been granted to you and are currently
outstanding. Further, unless otherwise expressly provided by the Company at the
time of grant, any future compensatory equity awards covering Company common
stock, including awards of stock options, restricted stock, restricted stock
units or other types of equity awards, as applicable, that the Company may grant
to you in the future shall also be deemed to be “Equity Awards” for purposes of
this Agreement to the extent such award(s) are granted to you while you are an
Eligible Employee (as defined below).

1. Severance. If you experience a Qualifying Termination (as defined below)
while you are an Eligible Employee (and disregarding for this purpose, any
reduction in your job duties, authorities or responsibilities that results in a
termination of your employment for Good Reason), then, provided you timely
comply with the conditions described in Section 3, the Company will pay you an
amount equal to three months of your then current base salary (disregarding for
this purpose, any reduction of your base salary that results in a termination of
your employment for Good Reason), payable in substantially equal installments in
accordance with the Company’s regular payroll practice over three months
commencing within 60 days after the date of your Qualifying Termination;
provided, however, that if the 60-day period begins in one calendar year and
ends in a second calendar year, such payments shall begin to be paid in the
second calendar year and the initial payment shall include a catch-up payment to
cover amounts retroactive to the day immediately following the date of your
Qualifying Termination.

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2. Equity Award Vesting Acceleration.

(a) If, in connection with a Change in Control, (x) an Equity Award is assumed
or continued by the successor or acquiror entity in such Change in Control or
such Equity Award is substituted for a similar award of the successor or
acquiror entity, and (y) you experience a Qualifying Termination within 90 days
prior to or 12 months following such Change in Control, then, provided you
timely comply with the conditions described in Section 3 below, you will become
vested, effective as of the date that is 60 days following the date of such
Qualifying Termination (or, if later, the effective date of such Change in
Control) with respect to 25 percent any then unvested portion of any applicable
Equity Award.

(b) If, in connection with a Change in Control, an Equity Award shall terminate
and will not be so assumed or continued by the successor or acquiror entity in
such Change in Control or substituted for a similar award of the successor or
acquiror entity, then, you will become vested, with respect to 25 percent of any
then unvested portion of any applicable Equity Award, effective immediately
prior to, but subject to the consummation of such Change in Control.

3. Conditions to Receipt of Severance and Equity Award Vesting Acceleration. In
order to receive the severance and Equity Award vesting acceleration described
in Sections 1 and 2(a), above, you must sign a separation agreement containing,
among other provisions, a general release of claims in favor of the Company and
related persons and entities, confidentiality, return of property and
non-disparagement, in a form and manner satisfactory to the Company (the
“Separation Agreement and Release”) and the Separation Agreement and Release
must become irrevocable, all within 60 days after your Qualifying Termination.
In order to effect the provisions of this Section 3, any termination or
forfeiture of any unvested Equity Awards eligible for acceleration of vesting
pursuant to Section 2(a) above that otherwise would have occurred on or within
60 days after your Qualifying Termination will be delayed until the 60th day
after the date of your Qualifying Termination (but, in the case of any stock
option, not later than the expiration date of such stock option specified in the
applicable option agreement) and will only occur to the extent such equity
awards do not vest pursuant to Section 2(a) above and, for purposes of clarity,
no additional vesting of any Equity Award shall occur during such 60 day period.

4. Certain Definitions. For purposes of this Agreement, the following terms
shall have the following meanings:

(a) “Cause” will have the meaning ascribed to such term in the 2015 Plan.

(b) “Eligible Employee” means an employee of the Company having the title of
Senior Vice President or higher.

(c) “Good Reason” shall mean the occurrence any of the following, in each case
without your written consent provided that you must (i) give written notice to
the Company’s Chief Executive Officer within 30 days after the first occurrence
of the event giving rise to Good Reason setting forth the basis for your
resignation (which shall

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be specified in reasonable detail), (ii) allow the Company at least 30 days from
receipt of such written notice to cure such event, and (iii) if such event is
not reasonably cured within such period, you must resign from all positions you
then hold with the Company and its affiliates, effective not later than 90 days
after the expiration of the cure period: (A) a material decrease in your then
current base salary, (B) a material reduction in your job duties, authorities or
responsibilities, provided, however, that a change in job position (including a
change in title) shall not be deemed a “material reduction” in and of itself
unless your new duties are materially reduced from your prior duties, (C) a
relocation of your regular place of work to any location that increases your
one-way commute by more than 50 miles of your then-current principal place of
employment immediately prior to such relocation, or (D) a material breach by the
Company of its obligations under this Agreement or other agreement between you
and the Company. Your right to terminate your employment as a result of Good
Reason shall not be affected by your incapacity due to physical or mental
illness. Subject to the notice requirements above, your continued employment
from the date Good Reason first exists and the date upon which you terminate
your employment with the Company shall not constitute consent to, or a waiver of
rights with respect to, any circumstance constituting Good Reason hereunder.

(d) “Qualifying Termination” means a termination of your Continuous Service (as
defined in the 2015 Plan) either (x) by the Company without Cause or (y) by you
with Good Reason. Termination of Continuous Service due to your death or
Disability (as defined in the 2015 Plan) will not constitute a Qualifying
Termination.

5. Section 409A. The payments and benefits under this Agreement are intended to
qualify for an exemption from application of Section 409A of the Code (“Section
409A”) or comply with its requirements to the extent necessary to avoid adverse
personal tax consequences under Section 409A, and any ambiguities herein shall
be interpreted accordingly. To the extent that any payment or benefit described
in this Agreement constitutes “non-qualified deferred compensation” under
Section 409A, and to the extent that such payment or benefit is payable upon the
termination of your employment, then such payments or benefits will be payable
only upon your “separation from service.” The determination of whether and when
a separation from service has occurred will be made in accordance with the
presumptions set forth in Treasury Regulation Section 1.409A-1(h). Anything in
this Agreement to the contrary notwithstanding, if at the time of your
separation from service, the Company determines that you are a “specified
employee” within the meaning of Section 409A(a)(2)(B)(i) of the Code, then to
the extent any payment or benefit that you become entitled to under this
Agreement on account of your separation from service would be considered
deferred compensation subject to the 20 percent additional tax imposed pursuant
to Section 409A(a) of the Code as a result of the application of
Section 409A(a)(2)(B)(i) of the Code, such payment will not be payable and such
benefit will not be provided until the date that is the earlier of (A) six
months and one day after your separation from service, (B) your death, or
(C) such earlier date as permitted under Section 409A without imposition of
adverse taxation. If any such delayed cash payment is otherwise payable on an
installment basis, the first payment will include a catch-up payment covering
amounts that would otherwise have been paid during the six-month period but for
the

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application of this provision, and the balance of the installments will be
payable in accordance with their original schedule. The Company makes no
representation or warranty and will have no liability to you or any other person
if any provisions of this Agreement are determined to constitute deferred
compensation subject to Section 409A but do not satisfy an exemption from, or
the conditions of, Section 409A.

6. Parachute Payments. If any payment or benefit you would receive from the
Company or otherwise in connection with a Change in Control or other similar
transaction (a “280G Payment”) would (i) constitute a “parachute payment” within
the meaning of Section 280G of the Code, and (ii) but for this sentence, be
subject to the excise tax imposed by Section 4999 of the Code (the “Excise
Tax”), then any such 280G Payment (a “Payment”) shall be equal to the Reduced
Amount. The “Reduced Amount” shall be either (x) the largest portion of the
Payment that would result in no portion of the Payment (after reduction) being
subject to the Excise Tax or (y) the largest portion, up to and including the
total, of the Payment, whichever amount (i.e., the amount determined by clause
(x) or by clause (y)), after taking into account all applicable federal, state
and local employment taxes, income taxes, and the Excise Tax (all computed at
the highest applicable marginal rate), results in your receipt, on an after-tax
basis, of the greater economic benefit notwithstanding that all or some portion
of the Payment may be subject to the Excise Tax. If a reduction in a Payment is
required pursuant to the preceding sentence and the Reduced Amount is determined
pursuant to clause (x) of the preceding sentence, the reduction shall occur in
the manner (the “Reduction Method”) that results in the greatest economic
benefit for you. If more than one method of reduction will result in the same
economic benefit, the items so reduced will be reduced pro rata (the “Pro Rata
Reduction Method”).

Notwithstanding the foregoing, if the Reduction Method or the Pro Rata Reduction
Method would result in any portion of the Payment being subject to taxes
pursuant to Section 409A of the Code that would not otherwise be subject to
taxes pursuant to Section 409A of the Code, then the Reduction Method and/or the
Pro Rata Reduction Method, as the case may be, shall be modified so as to avoid
the imposition of taxes pursuant to Section 409A of the Code as follows: (A) as
a first priority, the modification shall preserve to the greatest extent
possible, the greatest economic benefit for you as determined on an after-tax
basis; (B) as a second priority, Payments that are contingent on future events
(e.g., being terminated without cause), shall be reduced (or eliminated) before
Payments that are not contingent on future events; and (C) as a third priority,
Payments that are “deferred compensation” within the meaning of Section 409A of
the Code shall be reduced (or eliminated) before Payments that are not deferred
compensation within the meaning of Section 409A of the Code.

Unless you and the Company agree on an alternative accounting firm, the
accounting firm engaged by the Company for general tax compliance purposes as of
the day prior to the effective date of the change of control transaction
triggering the Payment shall perform the foregoing calculations. If the
accounting firm so engaged by the Company is serving as accountant or auditor
for the individual, entity or group effecting the change of control transaction,
the Company shall appoint a nationally recognized accounting firm to make the
determinations required hereunder. The Company shall bear

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all expenses with respect to the determinations by such accounting firm required
to be made hereunder. The Company shall use commercially reasonable efforts to
cause the accounting firm engaged to make the determinations hereunder to
provide its calculations, together with detailed supporting documentation, to
you and the Company within 15 calendar days after the date on which your right
to a 280G Payment becomes reasonably likely to occur (if requested at that time
by you or the Company) or such other time as requested by you or the Company.

If you receive a Payment for which the Reduced Amount was determined pursuant to
clause (x) of the first paragraph of this Section and the Internal Revenue
Service determines thereafter that some portion of the Payment is subject to the
Excise Tax, you shall promptly return to the Company a sufficient amount of the
Payment (after reduction pursuant to clause (x) of the first paragraph of this
Section so that no portion of the remaining Payment is subject to the Excise
Tax. For the avoidance of doubt, if the Reduced Amount was determined pursuant
to clause (y) in the first paragraph of this Section, you shall have no
obligation to return any portion of the Payment pursuant to the preceding
sentence.

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Except as provided herein, all terms and conditions of your Equity Awards and
any other written agreement between you and the Company remain in full force and
effect and are not amended by this Agreement.

Please countersign below to acknowledge your receipt of this Agreement and your
agreement to the terms described herein.

 

  With best regards,  

 

  Corey Thomas   CEO

Acknowledged and agreed:

 

 

Name: Date: