Document:

EX-10.17

 Exhibit 10.17 

SPIRE GLOBAL, INC. 

CHANGE IN CONTROL AND SEVERANCE AGREEMENT 

This Change in Control and Severance Agreement (the “Agreement”) is made by and between Spire Global Inc., a Delaware
corporation (the “Company”), and                          (“Executive”), effective as of
the Effective Date, as defined in Section 7 below. 
 This Agreement provides certain protections to Executive in connection with an
involuntary termination of Executive’s employment with the Company under the circumstances described in this Agreement, including in connection with a change in control of the Company. Certain capitalized terms used in this Agreement are
defined in Section 7 below. 
 The Company and Executive agree as follows: 

1.    Term of Agreement. This Agreement will continue indefinitely until terminated by written consent of the
parties hereto. Notwithstanding the previous sentence, if Executive becomes entitled to benefits pursuant to Section 3 of this Agreement, the Agreement will terminate when all of the obligations of the parties hereto with respect to this
Agreement have been satisfied. 
 2.    At-Will Employment. The Company
and Executive acknowledge that Executive’s employment is and will continue to be at-will, as defined under applicable law. No payments, benefits, or provisions under this Agreement will confer upon
Executive any right to continue Executive’s employment with the Company, nor will they interfere with or limit in any way the right of the Company or Executive to terminate such relationship at any time, with or without cause, to the extent
permitted by applicable laws. 
 3.    Severance Benefits. 

3.1.    Qualifying Termination Outside of the Change in Control Period. In the event of a Qualifying Termination
that occurs other than during the Change in Control Period, Executive will receive the following payments and benefits from the Company, subject to the requirements of this Agreement: 

3.1.1.    Salary Severance. A single, lump sum, cash payment equal to [CEO: one hundred percent (100%)][Tier 2
Executives: fifty percent (50%)] of Executive’s Salary. 
 3.1.2.    Prorated Bonus Severance. A lump sum
cash payment equal to Executive’s Target Bonus prorated by multiplying such amount by a fraction determined as (x) the number of days Executive was employed with the Company in the calendar year that the Qualifying Termination occurs,
divided by (y) the total number of days in such calendar year (the “Prorated Bonus Severance”). 

3.1.3.    COBRA Severance. Subject to Executive timely electing continuation coverage under the Consolidated
Omnibus Budget Reconciliation Act of 1985, as amended (“COBRA”) and further subject to Section 5.3, the Company will pay the premiums required for continued coverage 

 
pursuant to COBRA under the Company’s group health, dental and vision care plans for Executive and any of Executive’s eligible dependents, as applicable (the “COBRA
Severance”), following the Qualifying Termination until the earliest of: (a) [CEO: twelve (12) months][Tier 2 Executives: six (6) months] following the date of the Qualifying Termination, (b) the date on which Executive and
Executive’s eligible dependents (as applicable) become covered under similar plans, or (c) the expiration of Executive’s (and any of Executive’s eligible dependents’, as applicable) eligibility for continuation coverage
under COBRA. 
 3.2.     Qualifying Termination During the Change in Control Period. In the event of a
Qualifying Termination that occurs during the Change in Control Period, Executive will receive the following payments and benefits from the Company, subject to the requirements of this Agreement: 

3.2.1.    Salary Severance. A single, lump sum, cash payment equal to [CEO: one hundred fifty percent (150%)][Tier
2 Executives: one hundred percent (100%)] of Executive’s Salary. 
 3.2.2.    Prorated Bonus Severance. The
Prorated Bonus Severance. 
 3.2.3.    COBRA Severance. Subject to Executive timely electing continuation
coverage under COBRA and further subject to Section 5.3, the Company will provide the COBRA Severance until the earliest of: (a) [CEO: eighteen (18) months][Tier 2 Executives: twelve (12) months] following the date of the Qualifying
Termination, (b) the date on which Executive and Executive’s eligible dependents (as applicable) become covered under similar plans, or (c) the expiration of Executive’s (and any of Executive’s eligible dependents, as
applicable) eligibility for continuation coverage under COBRA. 
 3.2.4.    Vesting Acceleration of Time-Based
Awards. Vesting acceleration of one hundred percent (100%) of any Time-Based Awards that are outstanding and unvested as of the date of the Qualifying Termination. For the avoidance of doubt, in the event
of Executive’s Qualifying Termination that occurs prior to a Change in Control, any then outstanding and unvested portion of Executive’s Awards will remain outstanding (and unvested) until the earlier of (x) three (3) months
following the Qualifying Termination, or (y) a Change in Control that occurs within three (3) months following the Qualifying Termination, solely so that any benefits due on a Qualifying Termination can be provided if the Qualifying
Termination occurs during the Change in Control Period (provided that in no event will Executive’s stock option Awards or similar Awards remain outstanding beyond the Award’s maximum term to expiration). If no Change in Control occurs
within three (3) months following a Qualifying Termination, any unvested portion of Executive’s Awards automatically and permanently will be forfeited on the date three (3) months following the date of the Qualifying Termination
without having vested. 
 3.3.    Termination Other Than a Qualifying Termination. If the termination of
Executive’s employment does not constitute a Qualifying Termination, then Executive will not be entitled to receive any severance or other benefits in connection with such termination except for those, if any, as may then be established under
the Company’s then existing severance and benefits plans or programs. 

3.4.    Non-duplication of Payment or Benefits. For purposes of clarity, in
the event of a Qualifying Termination that occurs during the period within three (3) months prior to a Change in Control, any severance payments and benefits to be provided to Executive under Section 3.2 will be reduced by any amounts that
already were provided to Executive under Section 3.1. Notwithstanding any 

  
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provision of this Agreement to the contrary, if Executive is entitled to any cash severance, continued health coverage benefits, vesting acceleration of any Awards, or other severance or
separation benefits similar to those provided under this Agreement, by operation of applicable law or under a plan, policy, contract, or arrangement sponsored by the Company or to which the Company is a party other than this Agreement
(“Other Benefits”), then the corresponding severance payments and benefits under this Agreement will be reduced by the amount of Other Benefits paid or provided to Executive. 

3.5.    Death of Executive. In the event of Executive’s death before all payments or benefits Executive is
entitled to receive under this Agreement have been provided, the unpaid amounts will be provided to Executive’s designated beneficiary, if living, or otherwise to Executive’s personal representative in accordance with the terms of this
Agreement. 
 4.    Accrued Compensation. On any termination of Executive’s employment with the Company,
Executive will be entitled to receive all accrued but unpaid vacation, expense reimbursements, wages, and other benefits due to Executive under any Company-provided plans, policies, and arrangements. 

5.    Conditions to Receipt of Severance. 

5.1.    Separation Agreement and Release of Claims. Executive’s receipt of any severance payments or benefits
upon a Qualifying Termination under Section 3 is subject to Executive signing and not revoking the Company’s then standard separation agreement and release of claims with the Company (the “Release”), which must become
effective and irrevocable no later than the sixtieth (60th) day following the date of the Qualifying Termination (the “Release Deadline Date”). If the Release does not become effective and irrevocable by the Release Deadline
Date, Executive will forfeit any right to the severance payments or benefits under Section 3. 
 5.2.    Payment
Timing. Any lump sum cash severance payments under Section 3 relating to salary severance and any bonus severance will be provided to Executive on the first regularly scheduled payroll date of the Company following the date the Release
becomes effective and irrevocable (or with respect to such payments under Section 3.2, if later, on the date of the Change in Control), subject to any delay required by Section 5.4 below. Any
Time-Based Awards that are restricted stock units, performance shares, performance units, and/or similar full value awards (“Full Value Awards”) that accelerate vesting under
Section 3.2.4 will be settled, subject to any delay required by Section 5.4 below (or the terms of the Full Value Award agreement or other Company plan, policy, or arrangement governing the settlement timing of the Full Value Award to the
extent such terms specifically require any such delay in order to comply with the requirements of Section 409A, as applicable), (a) on a date within ten (10) days following the date the Release becomes effective and irrevocable, or
(b) if later, in the event of a Qualifying Termination that occurs prior to a Change in Control, on a date on or before the date of completion of the Change in Control. 

5.3.    COBRA Severance Limitations. If the Company determines in its sole discretion that it cannot provide the
COBRA Severance without potentially violating, or being subject to an excise tax under, applicable law (including, without limitation, Section 2716 of the Public Health Service Act), then in lieu of such COBRA Severance, subject to any delay
required by Section 5.4 below, the Company will provide to Executive a taxable monthly payment payable on the last day of a given month (except as provided by the last sentence in this Section 5.3), in an amount equal to the monthly COBRA
premium 

  
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that would be required to continue coverage under the Company’s group health, dental and vision care plans for Executive and Executive’s eligible dependents, as applicable, as in effect
on the date of the Qualifying Termination, in each case, which amount will be based on the premium rates applicable for the first month of COBRA Severance for Executive and any eligible dependents of Executive (each, a “COBRA Replacement
Payment”), and which COBRA Replacement Payments will be made regardless of whether Executive elects COBRA continuation coverage and will end on the earlier of (a) the date upon which Executive obtains other employment, or (b) the
date the Company has paid an amount totaling the number of COBRA Replacement Payments equal to the number of months in the applicable COBRA Severance period set forth in clause (a) of Section 3.1.3 or Section 3.2.3, as applicable. For
the avoidance of doubt, the COBRA Replacement Payments may be used for any purpose, including, but not limited to continuation coverage under COBRA, and will be subject to any applicable withholdings. Notwithstanding anything to the contrary under
this Agreement, if the Company determines in its sole discretion at any time that it cannot provide the COBRA Replacement Payments without violating applicable law (including, without limitation, Section 2716 of the Public Health Service Act),
Executive will not receive the COBRA Replacement Payments or any further COBRA Severance. 
 5.4.    Section
409A. The Company intends that all payments and benefits provided under this Agreement or otherwise are exempt from, or comply with, the requirements of Section 409A so that none of the payments or benefits will be subject to the additional
tax imposed under Section 409A, and any ambiguities and ambiguous terms in this Agreement will be interpreted in accordance with this intent. No payments or benefits to be provided to Executive, if any, under this Agreement or otherwise, when
considered together with any other severance payments or separation benefits that are considered deferred compensation under Section 409A (together, the “Deferred Payments”) will be paid or otherwise provided until Executive
has a “separation from service” within the meaning of Section 409A. To the extent required to be exempt from or comply with Section 409A, references to the termination of Executive’s employment or similar phrases used in
this Agreement will mean Executive’s “separation from service” within the meaning of Section 409A. 

5.4.1.    Any payments or benefits paid or provided under this Agreement that satisfy the requirements of the
“short-term deferral” rule under Treasury Regulations Section 1.409A-1(b)(4), or that qualify as payments made as a result of an involuntary separation from service under Treasury Regulations Section 1.409A-1(b)(9)(iii) that is within the limit set forth thereunder, will not constitute Deferred Payments for purposes of this Section 5.4. 

5.4.2.    Notwithstanding any provisions to the contrary in this Agreement, if Executive is a “specified
employee” within the meaning of Section 409A at the time of Executive’s separation from service (other than due to death), then any payments or benefits under this Agreement that constitute Deferred Payments payable within the first
six (6) months after Executive’s separation from service instead will be payable on the date six (6) months and one (1) day after Executive’s separation from service; provided that in the event of Executive’s death
within such six (6) month period, any payments delayed by this Section 5.4.2 will be paid to Executive in a lump sum as soon as administratively practicable after the date of Executive’s death. To the extent that the delay described
in the immediately preceding sentence does not apply but Executive’s Qualifying Termination occurs at a time during the year whereby the Release Deadline Date will occur in the year immediately following the year in which the Qualifying
Termination occurs, then any payments or benefits under this Agreement that constitute Deferred Payments that otherwise would be payable prior to the Release Deadline Date instead will be paid on the Release Deadline Date. 

  
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 5.4.3.    The Company reserves the right to amend this Agreement as it
considers necessary or advisable, in its sole discretion and without the consent of Executive or any other individual, to comply with any provision required to avoid the imposition of the additional tax imposed under Section 409A or to
otherwise avoid income recognition under Section 409A prior to the actual payment of any benefits or imposition of any additional tax. Each payment, installment, and benefit payable under this Agreement is intended to constitute a separate
payment for purposes of Treasury Regulations Section 1.409A-2(b)(2). In no event will Executive have any discretion to choose Executive’s taxable year in which any payments or benefits are provided
under this Agreement. In no event will the Company or any parent, subsidiary or other affiliate of the Company have any responsibility, liability or obligation to reimburse, indemnify or hold harmless Executive for any taxes, penalties or interest
that may be imposed, or other costs that may be incurred, as a result of Section 409A. 
 6.    Limitation on
Payments. 
 6.1.    Reduction of Severance Benefits. If any payment or benefit that Executive would receive
from the Company or any other party whether in connection with the provisions in this Agreement or otherwise (the “Payments”) would (a) constitute a “parachute payment” within the meaning of Section 280G of the Code and
(b) but for this sentence, be subject to the excise tax imposed by Section 4999 of the Code (the “Excise Tax”), then the Payments will be either delivered in full, or delivered as to such lesser extent that would result in
no portion of the Payments being subject to the Excise Tax, whichever of the foregoing amounts, taking into account the applicable federal, state and local income taxes and the Excise Tax, results in Executive’s receipt, on an after-tax basis, of the greatest amount of Payments, notwithstanding that all or some of the Payments may be subject to the Excise Tax. If a reduction in Payments is made in accordance with the immediately preceding
sentence, the reduction will occur, with respect to the Payments considered parachute payments within the meaning of Code Section 280G, in the following order: (i) reduction of cash payments in reverse chronological order (that is, the
cash payment owed on the latest date following the occurrence of the event triggering the Excise Tax will be the first cash payment to be reduced); (ii) cancellation of equity awards that were granted “contingent on a change in ownership or
control” within the meaning of Section 280G of the Code in the reverse order of date of grant of the equity awards (that is, the most recently granted equity awards will be cancelled first); (iii) reduction of the accelerated vesting of
equity awards in the reverse order of date of grant of the equity awards (that is, the vesting of the most recently granted equity awards will be cancelled first); and (iv) reduction of employee benefits in reverse chronological order (that is,
the benefit owed on the latest date following the occurrence of the event triggering the Excise Tax will be the first benefit to be reduced). In no event will Executive have any discretion with respect to the ordering of Payment reductions.
Executive will be solely responsible for the payment of all personal tax liability that is incurred as a result of the payments and benefits received under this Agreement, and neither the Company nor any parent, subsidiary or other affiliate of the
Company have any responsibility, liability or obligation to reimburse, indemnify or hold harmless Executive for any of those payments of personal tax liability. 

6.2.    Determination of Excise Tax Liability. Unless the Company and Executive otherwise agree in writing, any
determinations required under this Section 6 will be made in writing by a nationally recognized accounting or valuation firm (the “Firm”) selected by the Company, whose determinations will be conclusive and binding upon
Executive and the Company for all purposes. For purposes of making the calculations required by this Section 6, the Firm may make reasonable assumptions and approximations concerning applicable taxes and may rely on reasonable, good faith

  
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interpretations concerning the application of Sections 280G and 4999 of the Code. The Company and Executive will furnish to the Firm such information and documents as the Firm reasonably may
request in order to make determinations under this Section 6. The Company will bear the costs and make all payments required to be made to the Firm for the Firm’s services that are rendered in connection with any calculations contemplated
by this Section 6. The Company will have no liability to Executive for the determinations of the Firm. 

7.    Definitions. 

7.1.    “Award” means stock options and other equity awards covering shares of Company common stock
granted to Executive. 
 7.2.    “Board” means the Company’s Board of Directors. 

7.3.    “Cause” means: (a) Executive’s unauthorized use or disclosure of the Company’s
confidential information or trade secrets, which use or disclosure causes material harm to the Company; (b) Executive’s material failure to comply with the Company’s written policies or rules after receiving written notification of
such failure and if curable, provision of a reasonable cure period of no less than thirty (30) days following the receipt of such notice; (c) Executive’s conviction of, or plea of “guilty” or “no contest” to, a
felony, or Executive’s commission of any act of moral turpitude, dishonesty or fraud against, or the misappropriation of material property that belongs to, the Company or its affiliates; (d) Executive’s gross misconduct which results
in material harm to the Company; (e) Executive’s continuing failure to perform Executive’s reasonably assigned duties after receiving written notification of such failure and provision of a reasonable cure period of no less than
thirty (30) days following the receipt of such notice; or (f) Executive’s failure to cooperate in good faith with a governmental or internal investigation of the Company or its directors, officers or employees, if the Company has
requested Executive’s cooperation. 
 7.4.    “Change in Control” means the first occurrence of
any of the following events on or after the Effective Date: 
 7.4.1.    Change in Ownership of the Company. A
change in the ownership of the Company which occurs on the date that any one person, or more than one person acting as a group (“Person”), acquires ownership of the stock of the Company that, together with the stock held by such
Person, constitutes more than fifty percent (50%) of the total voting power of the stock of the Company; provided, however, that for purposes of this subsection, the acquisition of additional stock by any one Person, who is considered to own more
than fifty percent (50%) of the total voting power of the stock of the Company will not be considered a Change in Control; provided, further, that any change in the ownership of the stock of the Company as a result of a private financing of the
Company that is approved by the Board also will not be considered a Change in Control. Further, if the stockholders of the Company immediately before such change in ownership continue to retain immediately after the change in ownership, in
substantially the same proportions as their ownership of shares of the Company’s voting stock immediately prior to the change in ownership, direct or indirect beneficial ownership of fifty percent (50%) or more of the total voting power of the
stock of the Company or of the ultimate parent entity of the Company, such event shall not be considered a Change in Control under this Section 7.4.1. For this purpose, indirect beneficial ownership shall include, without limitation, an
interest resulting from ownership of the voting securities of one or more corporations or other business entities which own the Company, as the case may be, either directly or through one or more subsidiary corporations or other business entities;
or 

  
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 7.4.2.    Change in Effective Control of the Company. If the
Company has a class of securities registered pursuant to Section 12 of the U.S. Securities Exchange Act of 1934, as amended, a change in the effective control of the Company which occurs on the date that a majority of members of the Board is
replaced during any twelve (12) month period by Directors whose appointment or election is not endorsed by a majority of the members of the Board prior to the date of the appointment or election. For purposes of this Section 7.4.2, if any
Person is considered to be in effective control of the Company, the acquisition of additional control of the Company by the same Person will not be considered a Change in Control; or 

7.4.3.    Change in Ownership of a Substantial Portion of the Company’s Assets. A change in the
ownership of a substantial portion of the Company’s assets which occurs on the date that any Person acquires (or has acquired during the twelve (12) month period ending on the date of the most recent acquisition by such Person or Persons)
assets from the Company that have a total gross fair market value equal to or more than fifty percent (50%) of the total gross fair market value of all of the assets of the Company immediately prior to such acquisition or acquisitions; provided,
however, that for purposes of this Section 7.4.3, the following will not constitute a change in the ownership of a substantial portion of the Company’s assets: (a) a transfer to an entity that is controlled by the Company’s
stockholders immediately after the transfer, or (b) a transfer of assets by the Company to: (i) a stockholder of the Company (immediately before the asset transfer) in exchange for or with respect to the Company’s stock, (ii) an
entity, fifty percent (50%) or more of the total value or voting power of which is owned, directly or indirectly, by the Company, (iii) a Person, that owns, directly or indirectly, fifty percent (50%) or more of the total value or voting power
of all the outstanding stock of the Company, or (iv) an entity, at least fifty percent (50%) of the total value or voting power of which is owned, directly or indirectly, by a Person described in this Section 7.4.3(b)(iii). For purposes of
this Section 7.4.3, gross fair market value means the value of the assets of the Company, or the value of the assets being disposed of, determined without regard to any liabilities associated with such assets. 

For purposes of this Change in Control definition under Section 7.4, persons will be considered to be acting as a group if they are
owners of a corporation that enters into a merger, consolidation, purchase or acquisition of stock, or similar business transaction with the Company. 

Notwithstanding the foregoing, a transaction will not be deemed a Change in Control unless the transaction qualifies as a change in control
event within the meaning of Section 409A. Further and for the avoidance of doubt, a transaction will not constitute a Change in Control if: (x) its sole purpose is to change the jurisdiction of the Company’s incorporation, or
(y) its sole purpose is to create a holding company that will be owned in substantially the same proportions by the persons who held the Company’s securities immediately before such transaction. 

Further, for the avoidance of doubt, the Merger (as defined in Section 7.16 below) will not constitute a Change in Control for purposes
of this Agreement. 
 7.5.    “Change in Control Period” means the period beginning on the date three
(3) months prior to a Change in Control and ending on (and inclusive of) the date that is the one (1) year anniversary of a Change in Control. 

  
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 7.6.    “Code” means the Internal Revenue Code of 1986,
as amended. Reference to a specific section of the Code or regulation thereunder will include such section or regulation, any valid regulation promulgated under such section, and any comparable provision of any future legislation or regulation
amending, supplementing or superseding such section or regulation. 
 7.7.    “Confidentiality
Agreement” means Executive’s [Proprietary Information and Inventions Agreement] entered into with the Company dated [Date]. 

7.8.    “Director” means a member of the Board. 

7.9.    “Disability” means total and permanent disability as defined in Code Section 22(e)(3). 

7.10.    “Effective Date” means the business day immediately prior to the date on which the transactions
contemplated under the Business Combination Agreement by and among NavSight Holdings, Inc., Mako Merger Sub, Inc., and the Company, dated as of February 28, 2021, as may be amended from time to time (the “Merger”), are
completed and provided the Merger is completed no later than [December 31, 2021]. 
 7.11.    “Good
Reason” means Executive’s termination of Executive’s employment with the Company within ninety (90) days following the expiration of the Company’s Cure Period (as defined below) following the occurrence of any of the
following without Executive’s written consent: [(a) a material reduction of Executive’s duties, position or responsibilities[; provided, however, that a reduction in duties, position or responsibilities solely by virtue of the Company
being acquired and made part of a larger entity will not constitute “Good Reason”]; (b) a material reduction in Executive’s base salary (except where there is a reduction applicable to the management team generally); provided,
however, that a temporary reduction in Executive’s base salary of ten percent (10%) or less in any one year will not be deemed a material reduction; [or] (c) a material change in the geographic location of Executive’s primary work
facility or location; provided, that a relocation of less than thirty-five (35) miles from Executive’s current location will not be considered a material change in geographic location[For CEO only: ; and, provided, further that a
relocation in accordance with the terms of the Foreign Assignment Letter entered into between Executive and the Company on December 12, 2017, as amended December 27, 2019 (including, without limitation, Executive’s
relocation at the end of the term thereof) shall not be considered a material change in geographic location; or (d) the failure of any successor to the Company to assume this Agreement]. In order for an event to qualify as Good Reason,
Executive must not terminate employment with the Company without first providing the Company with written notice of the acts or omissions constituting the grounds for “Good Reason” within ninety (90) days following the initial
existence of the grounds for “Good Reason” and a cure period of thirty (30) days following the date of such notice (the “Cure Period”). To the extent Executive’s principal work location is not the Company’s
corporate offices or facilities due to a shelter-in-place order, 

  
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quarantine order, or similar work-from-home requirement that applies to Executive, Executive’s principal work location, from which a change in location under the foregoing clause
(c) will be measured, will be considered the Company’s office or facility location where Executive’s employment with the Company primarily was based immediately prior to the commencement of such shelter-in-place order, quarantine order, or similar work-from-home requirement.] 

7.12.    “Qualifying Termination” means a termination of Executive’s employment with the Company
[For CPO only: , that occurs on or after the first business day following Executive’s six (6) month anniversary of Executive’s first day of employment with the Company,] OR [For future executive hires, other than the CPO: ,
that occurs on or after the first business day following Executive’s one (1) year anniversary of Executive’s first day of employment with the Company,] either (a) by the Company without Cause and other than due to
Executive’s death or Disability, or (b) by Executive for Good Reason. 
 7.13.    “Salary”
means Executive’s annual base salary in effect immediately prior to Executive’s Qualifying Termination (or, if the termination is due to a resignation for Good Reason based on a material reduction in Executive’s base salary, then
Executive’s annual base salary in effect immediately prior to the reduction) or, if Executive’s Qualifying Termination occurs during the Change in Control Period and the amount is greater, Executive’s annual base salary in effect
immediately prior to the Change in Control. 
 7.14.    “Section 409A” means Code
Section 409A and the Treasury Regulations and guidance thereunder, and any applicable state law equivalent, as each may be promulgated, amended or modified from time to time. 

7.15.    “Target Bonus” means Executive’s annual (or annualized, as applicable) target bonus in
effect immediately prior to Executive’s Qualifying Termination or, if Executive’s Qualifying Termination occurs during the Change in Control Period and the amount is greater, Executive’s annual (or annualized, if applicable) target
bonus in effect immediately prior to the Change in Control. 
 7.16.    “Time-Based Awards” means
Awards that, as of the date of the Qualifying Termination, or in the case of a Qualifying Termination during the Change in Control Period, the later of the date of the Qualifying Termination or immediately prior to the Change in Control, are held by
Executive and subject to continued service-based vesting criteria, but not subject to the achievement of any performance-based or other similar vesting criteria. 

8.    Successors. This Agreement will be binding upon and inure to the benefit of (a) the heirs, executors,
and legal representatives of Executive upon Executive’s death, and (b) any successor of the Company. Any such successor of the Company will be deemed substituted for the Company under the terms of this Agreement for all purposes. For this
purpose, “successor” means any person, firm, corporation, or other business entity which at any time, whether by purchase, merger, or otherwise, directly or indirectly acquires all or substantially all of the assets or business of the
Company. For purposes of clarity, as of the completion of the transactions contemplated under that certain Business Combination Agreement by and among NavSight Holdings, Inc., a Delaware corporation (“NavSight”), NavSight Merger
Sub, Inc., and the Company, dated February 28, 2021, as may be amended from time to time (the “Merger”), NavSight will constitute the Company’s “successor” for purposes of this Agreement. None of the rights
of Executive to receive any form of compensation payable pursuant to this Agreement may be assigned or transferred except by will or the laws of descent and distribution. Any other attempted assignment, transfer, conveyance, or other disposition of
Executive’s right to compensation or other benefits will be null and void. 

  
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 9.    Notice. 

9.1.    General. All notices and other communications required or permitted under this Agreement will be in writing
and will be effectively given (a) upon actual delivery to the party to be notified, (b) upon transmission by email, (c) twenty-four (24) hours after confirmed facsimile transmission, (d) one (1) business day after deposit
with a recognized overnight courier, or (e) three (3) business days after deposit with the U.S. Postal Service by first class certified or registered mail, return receipt requested, postage prepaid, addressed: (i) if to Executive, at the
address Executive will have most recently furnished to the Company in writing, (ii) if to the Company, at the following address: 

Spire Global, Inc. 
 ADDRESS 

ADDRESS 
 Attention: [General
Counsel] 
 9.2.    Notice of Termination. Any termination of Executive’s employment by the Company for
Cause will be communicated by a notice of termination of Executive’s employment to Executive, and any termination by Executive for Good Reason will be communicated by a notice of termination to the Company, in each case given in accordance with
Section 9.1. The notice will indicate the specific termination provision in this Agreement relied upon, will set forth in reasonable detail the facts and circumstances claimed to provide a basis for termination under the provision so indicated,
and will specify the termination date (which will be not more than thirty (30) days after the later of (i) the giving of the notice or (ii) the end of any applicable cure period, except as set forth in Section 7.11). 

10.    Resignation. The termination of Executive’s employment for any reason also will constitute, without any
further required action by Executive, Executive’s voluntary resignation from all officer and/or director positions held at the Company or any of its subsidiaries or affiliates, and at the Board’s request, Executive will execute any
documents reasonably necessary to reflect the resignations. 
 11.    Miscellaneous Provisions. 

11.1.    No Duty to Mitigate. Executive will not be required to mitigate the amount of any payment contemplated by
this Agreement, nor will any payment be reduced by any earnings that Executive may receive from any other source except as specified in Sections 3.4, 5.3, 5.4.3, and 6. 

11.2.    Waiver; Amendment. No provision of this Agreement will be modified, waived or discharged unless the
modification, waiver or discharge is agreed to in writing and signed by an authorized officer of the Company (other than Executive) and by Executive. No waiver by either party of any breach of, or of compliance with, any condition or provision of
this Agreement by the other party will be considered a waiver of any other condition or provision or of the same condition or provision at another time. 

11.3.    Headings. Headings are provided herein for convenience only, and will not serve as a basis for
interpretation or construction of this Agreement. 

  
 -10- 

 11.4.    Entire Agreement. This Agreement, together with the
Confidentiality Agreement, [CEO only: the severance payments and benefits (“Superseded Benefits”) set forth in Section 5 of that certain offer letter dated May 24, 2019, entered into between Executive and the Company (the
“Offer Letter”),] and the Company’s 2012 Stock Option and Grant Plan and award agreements thereunder governing Executive’s Awards, constitutes the entire agreement of the parties and supersedes in their entirety all prior
representations, understandings, undertakings or agreements (whether oral or written and whether expressed or implied) of the parties with respect to the subject matter of this Agreement[, including without limitation, [___]]. 

11.5.    Governing Law. This Agreement will be governed by the laws of the State of [•] but without
regard to the conflict of law provision. To the extent that any lawsuit is permitted with respect to any provisions under this Agreement, Executive hereby expressly consents to the personal and exclusive jurisdiction and venue of the state and
federal courts located in the State of [•] for any lawsuit filed against Executive by the Company. 

11.6.    Severability. If any provision of this Agreement is or becomes or is deemed to be invalid, illegal, or
unenforceable for any reason, such invalidity, illegality, or unenforceability will not affect the remaining parts of this Agreement, and this Agreement will be construed and enforced as if the invalid, illegal, or unenforceable provision had not
been included. 
 11.7.    Withholding. The Company (and any parent, subsidiary or other affiliate of the
Company, as applicable) will have the right and authority to deduct from any payments or benefits all applicable federal, state, local, and/or non U.S. taxes or other required withholdings and payroll deductions (“Withholdings”).
Prior to the payment of any amounts or provision of any benefits under this Agreement, the Company (and any parent, subsidiary or other affiliate of the Company, as applicable) is permitted to deduct or withhold, or require Executive to remit to the
Company, an amount sufficient to satisfy any applicable Withholdings with respect to such payments and benefits. Neither the Company nor any parent, subsidiary or other affiliate of the Company will have any responsibility, liability or obligation
to pay Executive’s taxes arising from or relating to any payments or benefits under this Agreement. 

11.8.    Counterparts. This Agreement may be executed in counterparts, each of which will be deemed an original,
but all of which together will constitute one and the same instrument. 
 By its signature below, each of the parties signifies its
acceptance of the terms of this Agreement, in the case of the Company by its duly authorized officer. 
  

							
	COMPANY	 		 	SPIRE GLOBAL, INC.
		 		 	By:	 	  

		 		 		 	[Name]
		 		 	Title:	 	  

		 		 	Date:	 	  

	EXECUTIVE	 		 	  

		 		 	[Name]
		 		 	Date:	 	  

  
 -11-EX-10.18

 Exhibit 10.18 

SPIRE GLOBAL, INC. 

OUTSIDE DIRECTOR COMPENSATION POLICY 

Spire Global, Inc. (the “Company”) believes that the granting of equity and cash compensation to members of the
Company’s Board of Directors (the “Board,” and members of the Board, “Directors”) represents an effective tool to attract, retain and reward Directors who are not employees of the Company (“Outside
Directors”). This Outside Director Compensation Policy (the “Policy”) is intended to formalize the Company’s policy regarding cash compensation and grants of equity awards to its Outside Directors. Unless
otherwise defined herein, capitalized terms used in this Policy will have the meaning given such term in the Company’s 2021 Equity Incentive Plan, as amended from time to time, or if such plan no longer is in use at the time of the grant of an
equity award, the meaning given such term or similar term in the equity plan then in place under which the equity award is granted (the “Plan”). Each Outside Director will be solely responsible for any tax obligations incurred by
such Outside Director as a result of the equity awards and cash and other compensation such Outside Director receives under this Policy. 

1.    Effective Date. This Policy will be effective as upon the consummation of the transactions contemplated by
that certain Business Combination Agreement entered into by and among NavSight Holdings, Inc., NavSight Merger Sub Inc., and the Company, dated February 28, 2021, as may be amended from time to time (such transactions, the
“Merger,” such date of consummation of the Merger, the “Closing Date,” and the effective date of this Policy, the “Effective Date”). 

2.    Cash Compensation. 

2.1    Board Member Annual Cash Retainer. Following the Effective Date, each Outside Director will be paid an
annual cash retainer of $30,000. There are no per-meeting attendance fees for attending Board meetings or meetings of any committee of the Board. 

2.2    Additional Annual Cash Retainers. Following the Effective Date, each Outside Director who serves as the
Chairperson of the Board or Lead Director, or the chair or a member of a committee of the Board, will be eligible to earn additional annual fee of $15,000. 

For clarity, each Outside Director who serves as the Chairperson or Lead Director or as a chair or member of one or more committees will
receive only one additional annual fee regardless of the number of positions served. 
 2.3    Payment Timing and
Proration. Each annual cash retainer under this Policy will be paid quarterly in arrears on a prorated basis to each Outside Director who has served in the relevant capacity at any time during the immediately preceding fiscal quarter of the
Company (“Fiscal Quarter”), and such payment will be made no later than thirty (30) days following the end of such immediately preceding Fiscal Quarter. For clarity, an Outside Director who has served as an Outside Director, as
a member of an applicable committee (or chair thereof), or as Chairperson of the Board or Lead Director during only a portion of the relevant Fiscal Quarter will receive a prorated payment 

 
of the quarterly installment of the applicable annual cash retainer(s), calculated based on the number of days during such Fiscal Quarter such Outside Director has served in the relevant
capacities. For clarity, an Outside Director who has served as an Outside Director, as a member of an applicable committee (or chair thereof), or as Chairperson of the Board or Lead Director from the Effective Date through the end of the Fiscal
Quarter containing the Effective Date (the “Initial Period”), as applicable, will receive a prorated payment of the quarterly installment of the applicable annual cash retainer(s), calculated based on the number of days during the
Initial Period that such Outside Director has served in the relevant capacities. 
 3.    Equity Compensation.
Outside Directors will be eligible to receive all types of Awards (except Incentive Stock Options) under the Plan, including discretionary Awards not covered under this Policy. All grants of Awards to Outside Directors pursuant to Sections 3.2
and 3.3 of this Policy will be automatic and nondiscretionary, except as otherwise provided herein, and will be made in accordance with the following provisions: 

3.1    No Discretion. No person will have any discretion to select which Outside Directors will be granted Awards
under this Policy or to determine the number of Shares to be covered by such Awards (except as provided in Sections 3.4.2 and 9 below). 

3.2    Initial Awards. Each individual who first becomes an Outside Director following the Effective Date
automatically will be granted an award of Restricted Stock Units (an “Initial Award”). The grant date of the Initial Award will be the first Trading Day on or after the date on which such individual first becomes an Outside Director
(such first date as an Outside Director, the “Initial Start Date”), whether through election by the stockholders of the Company or appointment by the Board to fill a vacancy. The Initial Award will have an aggregate grant date fair
value (determined in accordance with U.S. Generally Accepted Accounting Principles) (the “Value”) of $275,000 (with the number of Shares subject to the Initial Award rounded down to the nearest whole Share). If an individual was an
Inside Director, becoming an Outside Director due to termination of the individual’s status as an Employee will not entitle the Outside Director to an Initial Award. Each Initial Award will be scheduled to vest in three (3), equal installments
on each of the one (1)-year, two (2)-year and three (3)-year anniversaries of the Initial Award’s date of grant (or on the last day of the month, if there is no corresponding day in such month), subject to the Outside Director remaining a
Service Provider through the applicable vesting date. 
 3.3    Annual Award. On the first Trading Day
immediately following each Annual Meeting of the Company’s stockholders (an “Annual Meeting”) that occurs after the Effective Date, each Outside Director who has served as an Outside Director for at least six (6) months
through the date of such Annual Meeting automatically will be granted an award of Restricted Stock Units (the “Annual Award”) that will have a Value of $175,000 (with the number of Shares subject to the Annual Award rounded down to
the nearest whole Share). The Annual Award will be scheduled to vest in full on the earlier of (i) the one-year anniversary of the grant date, or (ii) the date of the next Annual Meeting following
the grant date, subject to the Outside Director remaining a Service Provider through the applicable vesting date. 

3.4    Additional Terms of Initial Awards and Annual Awards. The terms and conditions of each Initial Award and
Annual Award (each, a “Policy Award”) will be as follows. 

  
 - 2 - 

 3.4.1    Each Policy Award will be granted under and subject to the
terms and conditions of the Plan and the applicable form of Award Agreement previously approved by the Board or its Committee (as defined below), as applicable, for use thereunder. 

3.4.2    The Board or its Committee, as applicable and in its discretion, may change and otherwise revise the terms of
Policy Awards to be granted in the future pursuant to this Policy, including without limitation the number of Shares subject thereto and type of Award. 

4.    Change in Control. In the event of a Change in Control, each Outside Director will fully vest in his or her
outstanding Company equity awards that were granted to him or her while an Outside Director, as of immediately prior to the Change in Control, including any Policy Award, provided that the Outside Director continues to be an Outside Director through
the date of such Change in Control. 
 5.    Annual Compensation Limit. No Outside Director may be granted, in
any Fiscal Year, Awards with values (based on their grant date fair value determined in accordance with U.S. Generally Accepted Accounting Principles), and be provided any other compensation (including without limitation any cash retainers or fees)
in amounts that, in any Fiscal Year, in the aggregate, exceed $750,000, provided that such amount is increased to $1,000,000 in the Fiscal Year of his or her initial service as an Outside Director. Any Awards or other compensation provided to an
individual (a) for his or her services as an Employee, or for his or her services as a Consultant other than as an Outside Director, or (b) prior to the Closing Date, will be excluded for purposes of this Section 5. 

6.    Travel Expenses. Each Outside Director’s reasonable, customary and properly documented travel expenses
to meetings of the Board and any of its committees, as applicable, will be reimbursed by the Company. 

7.    Adjustments. In the event that any dividend or other distribution (whether in the form of cash, Shares, other
securities or other property), recapitalization, stock split, reverse stock split, reorganization, merger, consolidation, split-up, spin-off, combination,
reclassification, repurchase, or exchange of Shares or other securities of the Company, or other change in the corporate structure of the Company affecting the Shares occurs (other than any ordinary dividends or other ordinary distributions), the
Administrator, in order to prevent diminution or enlargement of the benefits or potential benefits intended to be made available under this Policy, will adjust the number and class of shares of stock that may be delivered pursuant to Policy Awards
and/or the number, class, and price of shares of stock covered by each outstanding Policy Award. 
 8.    Section
409A. In no event will cash compensation or expense reimbursement payments under this Policy be paid after the later of (a) the fifteenth (15th) day of the third (3rd) month following the end of the Company’s taxable year in which the
compensation is earned or expenses are incurred, as applicable, or (b) the fifteenth (15th) day of the third (3rd) month following the end of the calendar year in which the compensation is earned or expenses are incurred, as applicable, in
compliance with the “short-term deferral” exception under Section 409A. It is the intent of this Policy that this Policy and all payments hereunder be exempt from or otherwise comply with the requirements of Section 409A so that
none of the compensation to be provided hereunder will be subject to the additional tax imposed under Section 409A, and any ambiguities or ambiguous terms herein will be 

  
 - 3 - 

 
interpreted to be so exempt or comply. In no event will the Company or any of its Parents or Subsidiaries have any responsibility, liability, or obligation to reimburse, indemnify, or hold
harmless an Outside Director (or any other person) for any taxes imposed, or other costs incurred, as a result of Section 409A. 

9.    Revisions. The Board or any committee of the Board that has been designated appropriate authority with
respect to Outside Director compensation (or with respect to any applicable element or elements thereof, authority with respect to such element or elements) (the “Committee”) may amend, alter, suspend or terminate this Policy at any
time and for any reason. Further, the Board may provide for cash, equity, or other compensation to Outside Directors in addition to the compensation provided under this Policy. No amendment, alteration, suspension or termination of this Policy will
materially impair the rights of an Outside Director with respect to compensation that already has been paid or awarded, unless otherwise mutually agreed between the Outside Director and the Company. Termination of this Policy will not affect the
Board’s or the Committee’s ability to exercise the powers granted to it with respect to Awards granted under the Plan pursuant to this Policy before the date of such termination, including without limitation such applicable powers set
forth in the Plan. 
 *        *        * 

  
 - 4 -

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