Document:

EX-10.6

 Exhibit 10.6 

GYROSCOPE THERAPEUTICS HOLDINGS PLC 

2021 EQUITY INCENTIVE PLAN 
  

	1.	 PURPOSE 

The Plan’s purpose is to enhance the Company’s ability to attract, retain and motivate persons who make (or are expected to make)
important contributions to the Company by providing these individuals with equity ownership opportunities. Capitalized terms used in the Plan are defined in Section 10. 
  

	2.	 ELIGIBILITY 

Service Providers are eligible to be granted Awards under the Plan, subject to the limitations described herein. 

 

	3.	 ADMINISTRATION AND DELEGATION 

3.1 Administration. 
 The Plan is administered by
the Administrator. The Administrator has authority to determine which Service Providers receive Awards, grant Awards, set Award terms and conditions, and designate whether such Awards will cover Ordinary Shares or ADSs, subject to the conditions and
limitations in the Plan. The Administrator also has the authority to take all actions and make all determinations under the Plan, to interpret the Plan and Award Notifications and to adopt, amend and repeal Plan administrative rules, guidelines and
practices as it deems advisable. The Administrator may correct errors, defects and ambiguities, supply omissions and reconcile inconsistencies in the Plan or any Award as it deems necessary or appropriate to administer the Plan and any Awards. The
Administrator’s determinations under the Plan are in its sole discretion and will be final and binding on all persons having or claiming any interest in the Plan or any Award. 

3.2 Appointment of Committees. 
 To the extent
Applicable Laws permit, the Board may delegate any or all of its powers under the Plan to one or more Committees or officers of the Company or any of its Subsidiaries. The Board may abolish any Committee or
re-vest in itself any previously delegated authority at any time. 
 3.3 Delegation to an Officer. 

In each case to the extent Applicable Laws permit, the Board may delegate to one or more officers the authority to do one or both of the
following (i) designate Employees who are not officers to be recipients of Awards and the terms of such Awards, and (ii) determine the number of Shares to be subject to such Awards granted to such Employees; provided, however, that the
Board resolutions regarding such delegation will specify the total number of Shares that may be subject to the 

  
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Awards granted by such officer and that such officer may not grant an Award to, or amend an Award granted to, himself or herself. Any such Awards will be granted on the form of Award Notification
most recently approved for use by the Committee or the Board, unless otherwise provided in the resolutions approving the delegation authority. The Board may not delegate authority to an officer who is acting solely in the capacity of an officer (and
not also as a Director) to determine the Fair Market Value pursuant to Section 10.20 below. 
  

	4.	 SHARES AVAILABLE FOR AWARDS 

4.1 Number of Shares. 
 Subject to adjustment
under Section 7 and the terms of this Section 4, Awards may be made under the Plan in an aggregate amount up to                 Shares (the “Share
Reserve”). In addition, the Share Reserve will automatically increase on January 1st of each year following the fiscal year in which the NASDAQ Listing Date occurs and ending on
(and including) January 1, 2030, in an amount equal to 4% of the total number of Shares outstanding on December 31st of the previous calendar year. Notwithstanding the
foregoing, the Board may act prior to January 1st of a given year to provide that there will be no January 1st increase in the Share Reserve for such year or that the increase in the
Share Reserve for such year will be a lesser number of Shares than would otherwise occur pursuant to the preceding sentence. 
 4.2 Share Recycling. 

If all or any part of an Award expires, lapses or is terminated, exchanged for cash, surrendered, repurchased or cancelled, without having been
fully exercised, or forfeited, in any case, in a manner that results in the Company acquiring Shares covered by the Award at a price not greater than the price (as adjusted to reflect any Equity Restructuring) paid by the Participant for such Shares
or not issuing any Shares covered by the Award, the unused Shares covered by the Award will, as applicable, become or again be available for Award grants under the Plan. Further, Shares delivered (either by actual delivery or attestation) to the
Company by a Participant to satisfy the applicable exercise or purchase price of an Award and/or to satisfy any applicable tax withholding obligation (including Shares retained by the Company from the Award being exercised or purchased and/or
creating the tax obligation) will, as applicable, become or again be available for Award grants under the Plan. The payment of Dividend Equivalents in cash or Shares in conjunction with any outstanding Awards shall not count against the Share
Reserve. 
 4.3 Incentive Option Limitations. 

Notwithstanding anything to the contrary herein, subject to adjustment under Section 7, no more than
                Shares may be issued pursuant to the exercise of Incentive Options. 

  
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 4.4 Substitute Awards. 

In each case to the extent Applicable Laws permit, in connection with an entity’s merger or consolidation with the Company or the
Company’s acquisition of another entity or the Company’s acquisition of an entity’s property or stock, the Administrator may grant Awards in substitution for any options or other equity or equity-based awards granted before such
merger, consolidation or acquisition by such entity or its affiliate. Substitute Awards may be granted on such terms as the Administrator deems appropriate, notwithstanding limitations on Awards in the Plan. Substitute Awards will not count against
the Share Reserve (nor shall Shares subject to a Substitute Award be added to the Shares available for Awards under the Plan as provided above), except that Shares acquired by exercise of substitute Incentive Options will count against the maximum
number of Shares that may be issued pursuant to the exercise of Incentive Options under the Plan. Additionally, in the event that a company acquired by the Company or any Subsidiary or with which the Company or any Subsidiary combines has shares
available under a pre-existing plan approved by shareholders and not adopted in contemplation of such acquisition or combination, the shares available for grant pursuant to the terms of such pre-existing plan (as adjusted, to the extent appropriate, using the exchange ratio or other adjustment or valuation ratio or formula used in such acquisition or combination to determine the
consideration payable to the holders of common stock of the entities party to such acquisition or combination) may be used for Awards under the Plan and shall not reduce the Shares authorized for grant under the Plan (and Shares subject to such
Awards shall not be added to the Shares available for Awards under the Plan as provided above); provided that Awards using such available shares shall not be made after the date awards or grants could have been made under the terms of the pre-existing plan, absent the acquisition or combination, and shall only be made to individuals who were not Employees or Directors prior to such acquisition or combination. 

4.5 Deed Poll. 
 The Administrator may grant
Awards by entering into a deed poll and, as soon as practicable after the Company has executed the deed poll, the Administrator shall issue award certificates (in such form as is approved by the Administrator, including in electronic form) to each
Participant to evidence the grant of the Awards. The deed poll and the award notification relating to an Award, when taken together, shall constitute an Award Notification for the purposes of this Plan. 

 

	5.	 OPTIONS AND SHARE APPRECIATION RIGHTS 

5.1 General. 
 The Administrator may grant Options
or Share Appreciation Rights to Service Providers subject to the limitations in the Plan, including any limitations in the Plan that apply to Incentive Options. The Administrator will determine the number of

  
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Shares covered by each Option and Share Appreciation Right, the exercise price of each Option and Share Appreciation Right and the conditions and limitations applicable to the exercise of each
Option and Share Appreciation Right. A Share Appreciation Right will entitle the Participant (or other person entitled to exercise the Share Appreciation Right) to receive from the Company upon exercise of the exercisable portion of the Share
Appreciation Right an amount determined by multiplying the excess, if any, of the Fair Market Value of one Share on the date of exercise over the exercise price per Share of the Share Appreciation Right by the number of Shares with respect to which
the Share Appreciation Right is exercised, subject to any limitations of the Plan or that the Administrator may impose and payable in cash, Shares valued at Fair Market Value or a combination of the two as the Administrator may determine or provide
in the Award Notification. 
 5.2 Exercise Price. 

The Administrator will establish each Option’s and Share Appreciation Right’s exercise price and specify the exercise price in the
Award Notification. Except for Substitute Awards, the exercise price will not be less than 100% of the Fair Market Value on the grant date of the Option or Share Appreciation Right, nor shall the exercise price ever be less than the nominal value of
a Share. 
 5.3 Duration. 
 Each Option or
Share Appreciation Right will be exercisable at such times and as specified in the Award Notification, provided that the term of an Option or Share Appreciation Right will not exceed ten years. Notwithstanding the foregoing and unless determined
otherwise by the Company, in the event that, following a Termination of Service other than for Cause or due to the Participant’s death or Disability, on the last business day an Option (other than an Incentive Option) or Share Appreciation
Right may be exercised by such Participant (i) the exercise of the Option or Share Appreciation Right is prohibited by Applicable Law, as determined by the Company, or (ii) Shares may not be purchased or sold by the applicable Participant
due to any Company insider trading policy (including blackout periods) or a “lock-up” agreement undertaken in connection with an issuance of securities by the Company, the period during which the
Option or Share Appreciation Right may be exercised shall be extended until the date that is thirty (30) days after the end of the legal prohibition, blackout period or lock-up agreement, as determined by
the Company; provided, however, in no event shall the extension last beyond the final expiration date of the Option or Share Appreciation Right as set forth in the Award Notification. Notwithstanding the foregoing, if the Participant, prior
to the end of the term of an Option or Share Appreciation Right, violates the non-competition, non-solicitation, confidentiality or other similar
restrictive covenant provisions of any employment contract, confidentiality and nondisclosure agreement or other agreement between the Participant and the Company or any of its Subsidiaries, the right of the Participant and the Participant’s
transferees to exercise any Option or Share Appreciation Right issued to the Participant shall terminate immediately upon 

  
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such violation, unless the Company otherwise determines. In addition, if, prior to the end of the term of an Option or Share Appreciation Right, the Participant is given notice by the Company or
any of its Subsidiaries of the Participant’s Termination of Service by the Company or any of its Subsidiaries for Cause, and the effective date of such Termination of Service is subsequent to the date of the delivery of such notice, the right
of the Participant and the Participant’s transferees to exercise any Option or Share Appreciation Right issued to the Participant shall be suspended from the time of the delivery of such notice until the earlier of (i) such time as it is
determined or otherwise agreed that the Participant’s service as a Service Provider will not be terminated for Cause as provided in such notice or (ii) the effective date of the Participant’s Termination of Service by the Company or
any of its Subsidiaries for Cause (in which case the right of the Participant and the Participant’s transferees to exercise any Option or Share Appreciation Right issued to the Participant will terminate immediately upon the effective date of
such Termination of Service). 
 5.4 Exercise. 

Options and Share Appreciation Rights may be exercised by delivering to the Company a written notice of exercise, in a form the Administrator
approves (which may be electronic), signed by the person authorized to exercise the Option or Share Appreciation Right, together with, as applicable, payment in full (i) as specified in Section 5.5 for the number of Shares for which the
Award is exercised and (ii) as specified in Section 9.8 for any applicable taxes. An Option or Share Appreciation Right may not be exercised for a fraction of a Share. 

5.5 Payment Upon Exercise. 
 Subject to
Section 9.8, any Company insider trading policy (including blackout periods) and Applicable Laws, the exercise price of an Option must be paid by: 

(a) cash, wire transfer of immediately available funds or by check payable to the order of the Company, provided that the Company may limit the
use of one of the foregoing payment forms if one or more of the payment forms below is permitted; 
 (b) if there is a public market for
Shares at the time of exercise, unless the Company otherwise determines, (A) delivery (including electronically to the extent permitted by the Company) of an irrevocable and unconditional undertaking by a broker acceptable to the Company to
deliver promptly to the Company sufficient funds to pay the exercise price, or (B) the Participant’s delivery to the Company of a copy of irrevocable and unconditional instructions to a broker acceptable to the Company to deliver promptly
to the Company cash or a check sufficient to pay the exercise price; provided that such amount is paid to the Company at such time as may be required by the Administrator; 

  
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 (c) to the extent permitted by the Administrator, by any combination of (a) and (b)
above; or 
 (d) to the extent permitted by the Administrator, by payment of such other lawful consideration as the Administrator may
determine. 
 Notwithstanding the foregoing, the Administrator shall accept only such payment on exercise of an Incentive Option as is
permitted by Section 422 of the Code. 
 5.6 Additional Terms of Incentive Options. 

The Administrator may grant Incentive Options only to U.S. Employees. If an Incentive Option is granted to a Greater Than 10% Shareholder, the
exercise price will not be less than 110% of the Fair Market Value on the Option’s grant date, and the term of the Option will not exceed five years. All Incentive Options will be subject to and construed consistently with Section 422 of
the Code. The Administrator action approving the grant of an Incentive Option to a U.S. Employee must specify that the Option is intended to be an Incentive Option. If an Option is not specifically designated as an Incentive Option, or if an Option
is designated as an Incentive Option but some portion or all of the Option fails to qualify as an Incentive Option under the applicable rules, then the Option (or portion thereof) will automatically be deemed a Nonstatutory Option. 

By accepting an Incentive Option, the Participant agrees at the request of the Company to give prompt notice to the Company of dispositions or
other transfers of Shares acquired under the Option made within (i) two years from the grant date of the Option or (ii) one year after the transfer of such Shares to the Participant, specifying the date of the disposition or other transfer
and the amount the Participant realized, in cash, other property, assumption of indebtedness or other consideration, in such disposition or other transfer. Neither the Company nor the Administrator will be liable to a Participant, or any other
party, if an Incentive Option fails or ceases to qualify as an “incentive stock option” under Section 422 of the Code. As provided by Section 422(d) of the Code and applicable regulations thereunder, to the extent that the
aggregate Fair Market Value (determined on the grant date) of Shares with respect to which Incentive Options are exercisable for the first time by any U.S. Employee during any calendar year (under all plans of the Company and any applicable
subsidiary) exceeds US$100,000 (or such other limit established in the Code) or otherwise does not comply with the rules governing Incentive Options, the Options or portions thereof that exceed such limit (according to the order in which they were
granted) or otherwise do not comply with such rules will be treated as Nonstatutory Options, notwithstanding any contrary provision of the applicable Award Notification. To obtain the U.S. federal income tax advantages associated with an Incentive
Option, the Code requires that at all times beginning on the grant date and ending on the day three (3) months before the date of exercise of the Option, the Participant must be a U.S. Employee (except in the event of the U.S. Employee’s
Disability, in which a twelve (12) month period shall comply or in the case of death 

  
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in which any period determined by the Administrator shall comply). The Company cannot guarantee that the Option will be treated as an Incentive Option if the U.S. Employee continues to provide
services to the Company or a Subsidiary after such U.S. Employee’s employment terminates or if the U.S. Employee otherwise exercises the Option more than three (3) months after the date his or her employment terminates, or the Option
otherwise fails to qualify as an Incentive Option. 
  

	6.	 RESTRICTED SHARES; RESTRICTED SHARE UNITS 

6.1 General. 
 The Administrator may grant
Restricted Shares, or the right to purchase Restricted Shares, to any Service Provider, subject to the Company’s right to repurchase all or part of such shares at their issue price or other stated or formula price from the Participant (or to
require forfeiture of such shares) if conditions the Administrator specifies in the Award Notification are not satisfied before the end of the applicable restriction period or periods that the Administrator establishes for such Award. In addition,
the Administrator may grant to Service Providers Restricted Share Units, which may be subject to vesting and forfeiture conditions during the applicable restriction period or periods, as set forth in an Award Notification. The Administrator will
determine and set forth in the Award Notification the terms and conditions for each Restricted Share and Restricted Share Unit Award, subject to the conditions and limitations contained in the Plan. The Administrator may require as a condition of
the grant of Restricted Shares that the Participant enter into an election under section 431 of the Income Tax (Earnings and Pensions) Act 2003 or its equivalent in any other jurisdiction, as applicable. 

6.2 Restricted Shares. 
 (a) Dividends. 

Participants holding Restricted Shares will be entitled to all ordinary cash dividends paid with respect to such Shares, unless the
Administrator provides otherwise in the Award Notification. In addition, the dividends will be subject to the same restrictions on transferability and forfeitability as the Restricted Shares with respect to which they were paid. 

(b) Certificates. 
 The Company
may require that the Participant deposit in escrow with the Company (or its designee) any certificates issued in respect of Restricted Shares, together with a stock transfer form endorsed in blank. 

  
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 6.3 Restricted Share Units. 

(a) Settlement. 
 The
Administrator may provide that settlement of Restricted Share Units will occur upon or as soon as reasonably practicable after the Restricted Share Units vest or will instead be deferred, on a mandatory basis or at the Participant’s election in
compliance with Applicable Laws. 
 (b) Shareholder Rights. 

A Participant will have no rights of a shareholder with respect to Shares subject to any Restricted Share Unit unless and until the Shares are
delivered in settlement of the Restricted Share Unit. 
 (c) Dividend Equivalents. 

If the Administrator provides, a grant of Restricted Share Units may provide a Participant with the right to receive Dividend Equivalents.
Dividend Equivalents may be settled in cash or Shares and shall be subject to the same restrictions on transferability and forfeitability as the Restricted Share Units with respect to which the Dividend Equivalents are granted and subject to other
terms and conditions as set forth in the Award Notification. 
  

	7.	 ADJUSTMENTS FOR CHANGES IN SHARES AND CERTAIN OTHER EVENTS 

7.1 Equity Restructuring. 
 In connection with any
Equity Restructuring, notwithstanding anything to the contrary in this Section 7, the Administrator will equitably adjust the Share Reserve and each outstanding Award as it deems appropriate to reflect the Equity Restructuring in compliance
with Applicable Laws including but not limited to the Code and Section 409A, which may include adjusting the number and type of securities subject to each outstanding Award and/or the Award’s exercise price or grant price (if applicable),
granting new Awards to Participants and may further adjust the maximum number and type of securities that may be issued pursuant to the exercise of Incentive Options set forth in Section 4.3. The adjustments provided under this Section 7.1
will be nondiscretionary and final and binding on the affected Participant and the Company; provided that the Administrator will determine whether an adjustment is equitable. 

7.2 Corporate Events. 
 In the event of any
Equity Restructuring, dividend or other distribution (whether in the form of cash, Shares, other securities, or other property), capitalization, share issue, offer, subdivision, reorganization, merger, consolidation, combination, amalgamation,
repurchase, recapitalization, liquidation, dissolution, or sale, transfer, exchange or other disposition of all or substantially all of the assets of the Company, or sale or exchange of Shares or other securities of the Company, Change in Control,
issuance of warrants or other rights to purchase Shares or other securities of the 

  
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Company, other similar corporate transaction or event, other unusual or nonrecurring transaction or event affecting the Company or its financial statements or any change in any Applicable Laws or
accounting principles (any “Corporate Event”), the Administrator, on such terms and conditions as it deems appropriate, either by the terms of the Award or by action taken prior to the occurrence of such transaction or event (except
that action to give effect to a change in Applicable Laws or accounting principles may be made within a reasonable period of time after such change) and either automatically or upon the Participant’s request, is hereby authorized to take any
one or more of the following actions whenever the Administrator determines that such action is appropriate in order to (x) prevent dilution or enlargement of the benefits or potential benefits intended by the Company to be made available under
the Plan or with respect to any Award granted or issued under the Plan, (y) to facilitate such transaction or event or (z) give effect to such changes in Applicable Laws or accounting principles provided however that any such changes shall
be made in accordance with Applicable Laws including but not limited to the Code and Section 409A: 
 (a) To provide
for the cancellation of any such Award in exchange for either an amount of cash or other property with a value equal to the amount that could have been obtained upon the exercise or settlement of the Award, whether or not then vested, or realization
of the Participant’s rights under the Award, whether or not then vested, as applicable; provided that, if the amount that could have been obtained upon the exercise or settlement of the Award or realization of the Participant’s rights, in
any case, is equal to or less than zero (as determined by the Administrator in its discretion), then the Award may be terminated without payment. In addition, such payments under this provision may, in the Administrator’s discretion, be delayed
to the same extent that payment of consideration to the holders of Ordinary Shares in connection with the Corporate Event is delayed as a result of escrows, earn outs, holdbacks or any other contingencies so long as such delay is in compliance with
Section 409A for U.S. Employees; 
 (b) To provide that such Award shall vest and, to the extent applicable, be
exercisable as to all shares covered thereby, notwithstanding anything to the contrary in the Plan or the provisions of such Award; 

(c) To provide that such Award be assumed by the successor or survivor corporation, or a parent or subsidiary thereof, or
shall be substituted for by awards covering the equity securities of the successor or survivor corporation, or a parent or subsidiary thereof, with appropriate adjustments as to the number and kind of shares and/or applicable exercise or purchase
price, in all cases, as determined by the Administrator; 

  
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 (d) To make adjustments in the number and type of shares (or other
securities or property) subject to outstanding Awards and/or with respect to which Awards may be granted under the Plan (including, but not limited to, adjustments of the limitations in Section 4 hereof on the maximum number and kind of shares
which may be issued) and/or in the terms and conditions of (including the grant or exercise price), and the criteria included in, outstanding Awards; 

(e) To replace such Award with other rights or property selected by the Administrator; and/or 

(f) To provide that the Award will terminate and cannot vest, be exercised or become payable after the applicable transaction
or event. 
 The Administrator need not take the same action or actions with respect to all Awards or portions thereof or with respect to all
Participants. The Administrator may take different actions with respect to the vested and unvested portions of an Award. 
 7.3 Administrative Stand Still.

 In the event of any pending Corporate Event or other similar transaction, for administrative convenience, the Administrator may refuse to
permit the exercise of any Award for up to sixty days before or after such transaction. 
 7.4 General. 

Except as expressly provided in the Plan or the Administrator’s action under the Plan, no Participant will have any rights due to any
subdivision or consolidation of Shares of any class, dividend payment, increase or decrease in the number of Shares of any class, issue, rights issue, offer or dissolution, liquidation, merger, or consolidation of the Company or other corporation.
Except as expressly provided with respect to an Equity Restructuring under Section 7.1 above or the Administrator’s action under the Plan, no issuance by the Company of Shares of any class, or securities convertible into Shares of any
class, will affect, and no adjustment will be made regarding, the number of Shares subject to an Award or the Award’s grant or exercise price. The existence of the Plan, any Award Notifications and the Awards granted hereunder will not affect
or restrict in any way the Company’s right or power to make or authorize (i) any adjustment, recapitalization, reorganization or other change in the Company’s capital structure or its business, (ii) any Corporate Event or
(iii) sale or issuance of securities, including securities with rights superior to those of the Shares or securities convertible into or exchangeable for Shares. The Administrator may treat Participants and Awards (or portions thereof)
differently under this Section 7. 

  
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	8.	 GENERAL PROVISIONS APPLICABLE TO AWARDS 

8.1 Transferability. 
 Except as the Administrator
may determine or provide in an Award Notification or otherwise for Awards other than Incentive Options, the Board may, in its sole discretion, impose such limitations on the transferability of Awards as the Board will determine; provided, however,
that in no event may an Award be transferred for consideration. In the absence of such a determination by the Board to the contrary, an Award may not be transferred, charged, pledged, mortgaged or encumbered in any way whatsoever by a Participant or
his personal representative(s). In the event of any breach or purported breach of this Section 8.1, such Award shall lapse. This Section 8.1 shall not prevent the personal representative(s) of a deceased Participant from exercising an
Option or receiving an Award in accordance with the Plan or the law of succession. 
 8.2 Documentation. 

Each Award will be evidenced in an Award Notification, which may be written or electronic, as the Administrator determines. Each Award may
contain terms and conditions in addition to those set forth in the Plan. 
 8.3 Discretion. 

Except as the Plan otherwise provides, each Award may be made alone or in addition or in relation to any other Award. The terms of each Award
to a Participant need not be identical, and the Administrator need not treat Participants or Awards (or portions thereof) uniformly. 
 8.4 Vesting
Generally. 
 The total number of Shares subject to an Award may vest and become exercisable in periodic installments that may or may not be
equal. The Award may be subject to such other terms and conditions on the time or times when it may or may not be settled or exercised (which may be based on the satisfaction of Performance Goals or other criteria) as the Board may deem appropriate.
The vesting provisions of individual Award may vary. The provisions of this Section 8.4 are subject to any Award provisions governing the minimum number of Shares as to which an Award may be settled or exercised as set forth in the Award
Notification. 
 8.5 Termination of Status. 

The Administrator will determine how Disability, death, retirement, authorized leave of absence or any other change or purported change in a
Participant’s Service Provider status affects an Award and the extent to which, and the period during which, the Participant, the Participant’s legal representative, conservator guardian or Designated Beneficiary may exercise rights under
the Award, if applicable. 

  
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 8.6 Termination for Cause. 

Except as explicitly provided otherwise in a Participant’s Award Notification or other individual written agreement between the
Participant and the Company, upon a Participant’s Termination of Service for Cause, all Awards will terminate immediately upon such Termination of Service, and the Participant will be prohibited from exercising his or her Option or Share
Appreciation Right from and after the time of such Termination of Service. 
 8.7 Non-Exempt Employees. 

If an Option or Share Appreciation Right is granted to an Employee who is a non-exempt employee for
purposes of the United States Fair Labor Standards Act of 1938, as amended, the Option or Share Appreciation Right will not be first exercisable for any Shares until at least six months following the date of grant of the Option or Share Appreciation
Right (although the Award may vest prior to such date). Consistent with the provisions of the Worker Economic Opportunity Act, (i) if such non-exempt Employee dies or suffers a Disability, (ii) upon
a Corporate Event in which such Option or Share Appreciation Right is not assumed, continued, or substituted, (iii) upon a Change in Control, or (iv) upon the Participant’s retirement (as such term may be defined in the
Participant’s Award Notification in another agreement between the Participant and the Company, or, if no such definition, in accordance with the Company’s then current employment policies and guidelines), the vested portion of any Option
and Share Appreciation Right may be exercised earlier than six months following the date of grant. The foregoing provision is intended to operate so that any income derived by a non-exempt employee in
connection with the exercise or vesting of an Option or Share Appreciation Right will be exempt from his or her regular rate of pay. To the extent permitted and/or required for compliance with the United States Worker Economic Opportunity Act to
ensure that any income derived by a non-exempt employee in connection with the exercise, vesting or issuance of any Shares under any other Award will be exempt from the employee’s regular rate of pay, the
provisions of this Section 8.7 will apply to all Awards and are hereby incorporated by reference into such Award Notifications. 
 8.8 Withholding.

 Each Participant must pay the Company, or make provision satisfactory to the Administrator for payment of, any taxes (which includes any
social security or national insurance contributions or their equivalent in any jurisdiction) required by law to be withheld or paid or otherwise accounted for by the Company or by a Subsidiary that is the employing entity of the Participant in
connection with such Participant’s Awards by the date of the event creating the tax liability. The Company may deduct an amount sufficient to satisfy such tax obligations up to the maximum statutory withholding rates (or such other rate as may
be determined by the Company 

  
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after considering any accounting consequences or costs) from any payment of any kind otherwise due to a Participant. Subject to Section 9.8 and any Company insider trading policy (including
blackout periods), Participants may satisfy such tax obligations (i) in cash, by wire transfer of immediately available funds, by check made payable to the order of the Company; provided that the Company may limit the use of the
foregoing payment forms if one or more of the payment forms below is permitted, (ii) to the extent permitted by the Administrator, that the number of Shares deliverable in connection with the Award, valued at their Fair Market Value, shall be
reduced by an amount equal to the tax obligations, (iii) if there is a public market for Shares at the time the tax obligations are satisfied, unless the Company otherwise determines, (A) delivery (including electronically to the extent
permitted by the Company) of an irrevocable and unconditional undertaking by a broker acceptable to the Company to deliver promptly to the Company sufficient funds to satisfy the tax obligations, or (B) delivery by the Participant to the
Company of a copy of irrevocable and unconditional instructions to a broker acceptable to the Company to deliver promptly to the Company cash or a check sufficient to satisfy the tax withholding, provided that such amount is paid to the Company at
such time as may be required by the Administrator, or (iv) to the extent permitted by the Company, any combination of the foregoing payment forms approved by the Administrator. If any tax withholding obligation will be satisfied under clause
(ii) of the immediately preceding sentence by the Company’s retention of Shares from the Award creating the tax obligation and there is a public market for Shares at the time the tax obligation is satisfied, the Company may elect to
instruct any brokerage firm determined acceptable to the Company for such purpose to sell on the applicable Participant’s behalf some or all of the Shares retained and to remit the proceeds of the sale to the Company or its designee, and each
Participant’s acceptance of an Award under the Plan will constitute the Participant’s authorization to the Company and instruction and authorization to such brokerage firm to complete the transactions described in this sentence. 

8.9 Amendment of Award; Repricing. 
 The
Administrator may amend, modify or terminate any outstanding Award, including by substituting another Award of the same or a different type, changing the exercise or settlement date, and converting an Incentive Option to a Nonstatutory Option.
The Participant’s consent to such action will be required unless (i) the action, taking into account any related action, does not materially and adversely affect the Participant’s rights under the Award, or (ii) the change is
permitted under Section 7 or pursuant to Section 8.6. Notwithstanding the foregoing or anything in the Plan to the contrary, the Administrator may not, except pursuant to Section 7, without the approval of the shareholders of the
Company, reduce the exercise price per share of outstanding Options or Share Appreciation Rights or cancel outstanding Options or Share Appreciation Rights in exchange for cash, other Awards or Options or Share Appreciation Rights with an exercise
price per share that is less than the exercise price per share of the original Options or Share Appreciation Rights. 

  
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 8.10 Conditions on Delivery of Shares. 

The Company will not be obligated to deliver any Shares under the Plan or remove restrictions from Shares previously delivered under the Plan
until (i) all Award conditions have been met or removed to the Company’s satisfaction, (ii) as determined by the Company, all other legal matters regarding the issuance and delivery of such Shares (including payment of nominal value)
have been satisfied, including any applicable securities laws and stock exchange or stock market rules and regulations, and (iii) the Participant has executed and delivered to the Company such representations or agreements as the
Administrator deems necessary or appropriate to satisfy any Applicable Laws. The Company’s inability to obtain authority from any regulatory body having jurisdiction, which the Administrator determines is necessary to the lawful issuance and
sale of any securities, will relieve the Company of any liability for failing to issue or sell such Shares as to which such requisite authority has not been obtained. 

8.11 Acceleration. 
 The Administrator may at any
time provide that any Award will become immediately vested and fully or partially exercisable, free of some or all restrictions or conditions, or otherwise fully or partially realizable. 

 

	9.	 MISCELLANEOUS 

9.1 Employment Rights. 
  

	 	(a)	 The Plan shall not form part of any contract of employment between the Company and any employee of any such
company and the rights and obligations of any individual under the terms of his office or employment with the Company shall not be affected by participation in the Plan or any right which he may have to participate therein. 

 

	 	(b)	 The grant of an Award to a Participant on one occasion is no indication that any further Award(s) shall be
granted to such Participant. 

  

	 	(c)	 No eligible Service Provider or Participant shall be entitled to any compensation for any loss which he may
suffer as a result of the exercise by the Board, or its failure to exercise, any of the discretions given to it by the Plan even if such exercise, or failure to exercise, constitutes a breach of contract or breach of duty by the Company by whom the
Service Provider or Participant is employed or gives rise to any other claim whatsoever. 

  

	 	(d)	 Neither participation in the Plan nor the grant of an Award shall form any part of a Participant’s
compensation or count as compensation for any purpose or be pensionable. 

  

	 	(e)	 Participation in the Plan shall be on the express condition that: 

 

	 	i.	 neither it nor cessation of participation shall afford any individual under the terms of such individual’s
office or employment with the Company any additional or other rights to compensation or damages; and 

  

	 	ii.	 no damages or compensation shall be payable in consequence of the termination of such office or employment
(whether or not in circumstances giving rise to a claim for wrongful or unfair dismissal) or for any other reason whatsoever to 

  
 14 

	 	
compensate such individual for the loss of any rights the Participant would otherwise have had (actual or prospective) under the Plan howsoever arising but for such termination; and

  

	 	iii.	 the Participant shall be deemed irrevocably to have waived any such rights to which he may otherwise have been
entitled. 

  

	 	(f)	 No individual shall have any claim against the Company arising out of his not being admitted to participation
in the Plan which (for the avoidance of all, if any, doubt) is entirely within the discretion of the Board. 

  

	 	(g)	 No Participant shall be entitled to claim compensation from the Company in respect of any sums paid by such
Participant pursuant to the Plan or for any diminution or extinction of his rights or benefits (actual or otherwise) under any Award held by him consequent upon the lapse for any reason of any Award held by him or otherwise in connection with the
Plan and the Company shall be entirely free to conduct its affairs as it sees fit without regard to any consequences under, upon or in relation to the Plan or any Award or Participant. 

 

	 	(h)	 By accepting the grant of an Award, a Participant is deemed to have agreed to the provisions of this
Section 9.1. 

 9.2 No Rights as Shareholder; Certificates. 

No Participant or Designated Beneficiary will have any rights as a shareholder with respect to any Shares to be distributed under an Award
until becoming the record holder of such Shares. Notwithstanding any other provision of the Plan, unless the Administrator otherwise determines, or Applicable Laws require, the Company will not be required to deliver to any Participant certificates
evidencing Shares issued in connection with any Award and instead such Shares may be recorded in the books of the Company (or, as applicable, its transfer agent or stock plan administrator). The Company may place legends on certificates issued under
the Plan that the Administrator deems necessary or appropriate to comply with Applicable Laws. 
 9.3 Effective Date and Term of Plan. 

Unless earlier terminated by the Board, the Plan will become effective on the day prior to the NASDAQ Listing Date and will remain in effect
until the tenth anniversary of the effective date, but Awards previously granted may extend beyond that date in accordance with the Plan. If the Plan is not approved by the Company’s shareholders, the Plan will not become effective, no Awards
will be granted under the Plan will continue in full force and effect in accordance with their terms. No Incentive Option may be granted after the tenth anniversary of the earlier of (i) the date the Plan is adopted by the Board or
(ii) the date the Plan is approved by the Company’s shareholders. 
 9.4 Amendment of Plan. 

The Administrator may amend, suspend or terminate the Plan at any time; provided that no amendment, other than an increase to the Share
Reserve, may materially and 

  
 15 

 
adversely affect any Award outstanding at the time of such amendment without the affected Participant’s consent. No Awards may be granted under the Plan during any suspension period or after
Plan termination. Awards outstanding at the time of any Plan suspension or termination will continue to be governed by the Plan and the Award Notification, as in effect before such suspension or termination. The Board will obtain shareholder
approval of any Plan amendment to the extent necessary to comply with Applicable Laws. 
 9.5 Provisions for Foreign Participants. 

The Administrator may modify Awards granted to Participants who are foreign nationals or employed outside the United States or establish
subplans or procedures under the Plan to address differences in laws, rules, regulations or customs of such foreign jurisdictions with respect to tax, securities, currency, employee benefit or other matters. 

9.6 Section 409A. 
 The following provisions only
apply to U.S. Employees. 
  

	 	(a)	 General. 

The Company intends that all Awards be structured to comply with, or be exempt from, Section 409A, such that no adverse tax consequences,
interest, or penalties under Section 409A apply. Notwithstanding anything in the Plan or any Award Notification to the contrary, the Administrator may, without a Participant’s consent, amend this Plan or Awards, adopt policies and
procedures, or take any other actions (including amendments, policies, procedures and retroactive actions) as are necessary or appropriate to preserve the intended tax treatment of Awards, including any such actions intended to (A) exempt this
Plan or any Award from Section 409A or (B) comply with Section 409A, including regulations, guidance, compliance programs and other interpretative authority that may be issued after an Award’s grant date. The Company makes no
representations or warranties as to an Award’s tax treatment under Section 409A or otherwise. The Company will have no obligation under this Section 9.6 or otherwise to avoid the taxes, penalties or interest under Section 409A
with respect to any Award and will have no liability to any Participant or any other person if any Award, compensation or other benefits under the Plan are determined to constitute noncompliant “nonqualified deferred compensation” subject
to taxes, penalties or interest under Section 409A. 
  

	 	(b)	 Separation from Service. 

If an Award constitutes “nonqualified deferred compensation” under Section 409A, any payment or settlement of such Award upon a

  
 16 

 
termination of a Participant’s Service Provider relationship will, to the extent necessary to avoid taxes under Section 409A, be made only upon the Participant’s “separation
from service” (within the meaning of Section 409A), whether such “separation from service” occurs upon or after the termination of the Participant’s Service Provider relationship. For purposes of this Plan or any Award
Notification relating to any such payments or benefits, references to a “termination,” “termination of employment” or like terms means a “separation from service.” 

 

	 	(c)	 Payments to Specified Employees. 

Notwithstanding any contrary provision in the Plan or any Award Notification, any payment(s) of “nonqualified deferred
compensation” required to be made under an Award to a “specified employee” (as defined under Section 409A and as the Administrator determines) due to his or her “separation from service” will, to the extent necessary to
avoid taxes under Section 409A(a)(2)(B)(i) of the Code, be delayed for the six-month period immediately following such “separation from service” (or, if earlier, until the
specified employee’s death) and will instead be paid (as set forth in the Award Notification) on the day immediately following such six-month period or as soon as administratively practicable
thereafter (without interest). Any payments of “nonqualified deferred compensation” under such Award payable more than six months following the Participant’s “separation from service” will be paid at the time or times the
payments are otherwise scheduled to be made. 
  

	 	(c)	 Installment Payments. 

If an Award includes a “series of installment payments” (within the meaning of
Section 1.409A-2(b)(2)(iii) of the U.S. Treasury Regulations), a Participant’s right to such series of installment payments shall be treated as a right to a series of separate payments and not as a
right to a single payment, and if an Award includes “dividend equivalents” (within the meaning of Section 1.409A-3(e) of the U.S. Treasury Regulations), a Participant’s right to such
dividend equivalents shall be treated separately from the right to other amounts under the Award. 
 9.7 Limitations on Liability. 

Notwithstanding any other provisions of the Plan, no individual acting as a director, officer, other employee or agent of the Company or any
Subsidiary will be liable to any Participant, former Participant, spouse, beneficiary, or any other person for any claim, loss, liability, or expense incurred in connection with the Plan or any Award, and such individual will not be personally
liable with respect to the Plan because of 

  
 17 

 
any contract or other instrument executed in his or her capacity as an Administrator, director, officer, other employee or agent of the Company or any Subsidiary. The Company will indemnify and
hold harmless each director, officer, other employee and agent of the Company or any Subsidiary that has been or will be granted or delegated any duty or power relating to the Plan’s administration or interpretation, against any cost or expense
(including attorneys’ fees) or liability (including any sum paid in settlement of a claim with the Administrator’s approval) arising from any act or omission concerning this Plan unless arising from such person’s own fraud or bad
faith. 
 9.8 Lock-Up Period. 

The Company may, at the request of any underwriter representative or otherwise, in connection with registering the offering of any Company
securities under the Securities Act, prohibit Participants from, directly or indirectly, selling or otherwise transferring any Shares or other Company securities during a period of up to one hundred eighty days following the effective date of a
Company registration statement filed under the Securities Act, or such longer period as determined by the underwriter. 
 9.9 Data Privacy. 

For the purpose of operating the Plan in the European Union, the Company will collect and process information relating to Participants in
accordance with the privacy notice which is provided to each Participant. 
 9.10 Severability. 

If any portion of the Plan or any action taken under it is held illegal or invalid for any reason, the illegality or invalidity will not affect
the remaining parts of the Plan, and the Plan will be construed and enforced as if the illegal or invalid provisions had been excluded, and the illegal or invalid action will be null and void. 

9.11 Governing Documents. 
 If any contradiction
occurs between the Plan and any Award Notification or other written agreement between a Participant and the Company (or any Subsidiary) that the Administrator has approved, the Plan will govern, unless it is expressly specified in such Award
Notification or other written document that a specific provision of the Plan will not apply or that the Award Notification will govern. 
 9.12 Governing
Law. 
  

	 	(a)	 The Plan (and any dispute, controversy, proceedings or claim of whatever nature arising out of or in any way
relating to the Plan or its formation, including any non-contractual disputes or claims) shall be governed by and construed in accordance with laws of England and Wales. 

  
 18 

	 	(b)	 The courts of England and Wales shall have exclusive jurisdiction to hear and decide any suit, action or
proceedings, and/or to settle any dispute which may arise out of or in connection with the Plan or its formation or relating to any non-contractual obligations arising from or in connection therewith.

 9.13 Claw-back Provisions. 

All Awards (including any proceeds, gains or other economic benefit the Participant actually or constructively receives upon receipt or
exercise of any Award or the receipt or resale of any Shares underlying the Award) will be subject to any Company claw-back policy, including any claw-back policy adopted to comply with Applicable Laws (including the United States Dodd-Frank Wall
Street Reform and Consumer Protection Act) as set forth in such claw-back policy or the Award Notification. 
 9.14 Titles and Headings. 

The titles and headings in the Plan are for convenience of reference only and, if any conflict, the Plan’s text, rather than such titles
or headings, will control. 
 9.15 Conformity to Securities Laws. 

Participant acknowledges that the Plan is intended to conform to the extent necessary with Applicable Laws. Notwithstanding anything herein to
the contrary, the Plan and all Awards will be administered only in conformance with Applicable Laws. To the extent Applicable Laws permit, the Plan and all Award Notifications will be deemed amended as necessary to conform to Applicable Laws. 

9.16 Relationship to Other Benefits. 
 No payment
under the Plan will be taken into account in determining any benefits under any pension, retirement, savings, profit sharing, group insurance, welfare or other benefit plan of the Company or any Subsidiary except as expressly provided in writing in
such other plan or an agreement thereunder. 
 9.17 Broker-Assisted Sales. 

In the event of a broker-assisted sale of Shares in connection with the payment of amounts owed by a Participant under or with respect to the
Plan or Awards, including amounts to be paid under the final sentence of Section 8.8: (a) any Shares to be sold through the broker-assisted sale will be sold on the day the payment first becomes due, or as soon thereafter as practicable;
(b) such Shares may be sold as part of a block trade with other Participants in the Plan in which all participants receive an average price; (c) the applicable Participant will be responsible for all broker’s fees and other costs of
sale, and by accepting an Award, each Participant agrees to indemnify and hold the Company harmless from any losses, costs, damages, or expenses relating to any such sale; (d) to the extent the Company or its designee

  
 19 

 
receives proceeds of such sale that exceed the amount owed, the Company will pay such excess in cash to the applicable Participant as soon as reasonably practicable; (e) the Company and its
designees are under no obligation to arrange for such sale at any particular price; and (f) in the event the proceeds of such sale are insufficient to satisfy the Participant’s applicable obligation, the Participant may be required to pay
immediately upon demand to the Company or its designee an amount in cash sufficient to satisfy any remaining portion of the Participant’s obligation. 

9.18 Exclusion of Third-Party Rights 
 The
Contracts (Rights of Third Parties) Act 1999 (or its overseas equivalent) shall not apply to this Plan nor to any Award granted under it and no person other than the parties to an Award shall have any rights under it nor shall it be enforceable
under that Act by any person other than the parties to it. 
  

	10.	 DEFINITIONS 

As used in the Plan, the following words and phrases will have the following meanings: 

10.1 “ADSs” means American Depositary Shares, representing Ordinary Shares on deposit with a U.S. banking institution
selected by the Company and which are registered pursuant to a Form F-6. 
 10.2
“Administrator” means the Board or a Committee to the extent that the Board’s powers or authority under the Plan have been delegated to such Committee. 

10.3 “Applicable Laws” shall mean any applicable law, including without limitation: (a) the requirements relating to the
administration of equity incentive plans under U.S. federal and state securities, tax and other applicable laws, rules and regulations, the applicable rules of any stock exchange or quotation system on which the Shares are listed or quoted
and the applicable laws and rules of any foreign country or other jurisdiction where Awards are granted; and (b) corporate, securities, tax or other laws, statutes, rules, requirements or regulations, whether U.S. federal, state, local or
foreign, applicable in the United Kingdom, the United States or any other relevant jurisdiction. 
 10.4 “Award” means,
individually or collectively, a grant under the Plan of Options, Share Appreciation Rights, Restricted Shares, Restricted Share Units or Other Share Based Awards. 

10.5 “Award Notification” means a written notification evidencing an Award, which may be electronic, that contains such terms
and conditions as the Administrator determines, consistent with and subject to the terms and conditions of the Plan. 
 10.6
“Board” means the Board of Directors of the Company. 

  
 20 

 10.7 “Cause” means (i) if a Participant is a party to a written
employment or consulting agreement with the Company or any of its Subsidiaries or an Award Notification in which the term “cause” is defined (a “Relevant Agreement”), “Cause” as defined in the Relevant Agreement,
and (ii) if no Relevant Agreement exists, (A) the Administrator’s determination that the Participant failed to substantially perform the Participant’s duties (other than a failure resulting from the Participant’s
Disability); (B) the Administrator’s determination that the Participant failed to carry out, or comply with any lawful and reasonable directive of the Board or the Participant’s immediate supervisor; (C) the occurrence of any act
or omission by the Participant that could reasonably be expected to result in (or has resulted in) the Participant’s conviction, plea of no contest, plea of nolo contendere, or imposition of unadjudicated probation for any felony or indictable
offense or crime involving moral turpitude; (D) the Participant’s unlawful use (including being under the influence) or possession of illegal drugs on the premises of the Company or any of its Subsidiaries or while performing the
Participant’s duties and responsibilities for the Company or any of its Subsidiaries; (E) the Participant’s commission of an act of fraud, embezzlement, misappropriation, misconduct, or breach of fiduciary duty against the Company or
any of its Subsidiaries; (F) the Participant’s gross misconduct or (G) any other circumstance justifying summary dismissal. 

10.8 “Change in Control” means and includes each of the following: 

(a) a Sale; or 

(b) a Takeover. 

The Administrator shall have full and final authority, which shall be exercised in its sole discretion, to determine conclusively whether a
Change in Control has occurred pursuant to the above definition, the date of the occurrence of such Change in Control and any incidental matters relating thereto; provided that any exercise of authority in conjunction with a determination of whether
a Change in Control is a “change in control event” as defined in Treasury Regulation Section 1.409A-3(i)(5) shall be consistent with such regulation. 

10.9 “Code” means the United States Internal Revenue Code of 1986, as amended. 

10.10 “Committee” means one or more committees or subcommittees of the Board, which may include one or more Company directors
or executive officers, to the extent Applicable Laws permit. To the extent required to comply with the provisions of Rule 16b-3, it is intended that each member of the Committee will be, at the time the
Committee takes any action with respect to an Award that is subject to Rule 16b-3, a “non-employee director” within the meaning of Rule 16b-3; however, a Committee member’s failure to qualify as a “non-employee director” within the meaning of
Rule 16b-3 will not invalidate any Award granted by the Committee that is otherwise validly granted under the Plan. 

  
 21 

 10.11 “Company” means Gyroscope Therapeutics Holdings plc, registered in
England and Wales with company number                , or any successor. 

10.12 “Control” shall have the meaning given in section 995 (2) of the UK Income Tax Act 2007, unless otherwise
specified. 
 10.13 “Designated Beneficiary” means the Participant’s personal representatives or estate. 

10.14 “Director” means a Board member. 

10.15 “Disability” means the inability of a U.S. Employee to engage in any substantial gainful activity by reason of any
medically determinable physical or mental impairment that can be expected to result in death or that has lasted or can be expected to last for a continuous period of not less than twelve (12) months as provided in Sections 22(e)(3)
and 409A(a)(2)(c)(i) of the Code, and will be determined by the Board on the basis of such medical evidence as the Board deems warranted under the circumstances and in relation to a non U.S. Employee, disability evidenced and proved to the
satisfaction of the Administrator. 
 10.16 “Dividend Equivalents” means a right granted to a Participant under the Plan to
receive the equivalent value (in cash or Shares) of dividends paid on Shares. 
 10.17 “Employee” means any employee of the
Company or its Subsidiaries. 
 10.18 “Equity Restructuring” means any (i) variation in the ordinary share capital of
the Company by way of capitalisation of profits or reserves or by way of rights or any consolidation or sub-division or reduction of capital or otherwise; (ii) any demerger, distribution, dividend in
specie or super dividend; or (iii) other corporate event which in the reasonable opinion of the Board justifies an adjustment. 
 10.19
“Exchange Act” means the United States Securities Exchange Act of 1934, as amended. 
 10.20 “Fair Market
Value” means, as of any date, the value of Shares determined as follows: (i) if the Shares are listed on any established stock exchange the closing sales price for Shares as quoted on such exchange for the last day preceding such date
during which a sale occurred; (ii) if the Shares are not traded on a stock exchange but are quoted on a national market or other quotation system, the closing sales price on the last date preceding such date during which a sale occurred; or
(iii) without an established market for the Shares, the Administrator will determine the Fair Market Value in its discretion in accordance with Applicable Laws. Notwithstanding the foregoing, with respect to any Award granted on the pricing
date of the Company’s initial public offering, the Fair Market Value shall mean the initial public offering price of a Share as set forth in the Company’s final prospectus relating to its initial public offering filed with the United
States Securities and Exchange Commission. 

  
 22 

 10.21 “Good Reason” means (i) if a Participant is a party to a written
employment or consulting agreement with the Company or any of its Subsidiaries or an Award Notification in which the term “good reason” is defined (a “Relevant Agreement”), “Good Reason” as defined in the
Relevant Agreement, and (ii) if no Relevant Agreement exists a Participant provides notice to the Company to terminate his employment for one or more of the following events: 

 

	 	(a)	 a material reduction in the Participant’s base salary; 

 

	 	(b)	 a material reduction in the maximum percentage of the Participant’s base salary that, at the absolute
discretion of the Board, the Participant may be eligible to receive as a discretionary bonus on conditions to be determined by the Board; and 

  

	 	(c)	 any requirement by the Company to change the Participant’s principal location of employment by more than
fifty (50) miles; provided that the Participant (i) has given the Company or the Subsidiary, as applicable, notice of one of the above matters occurring within ninety (90) days of its occurrence and the relevant Company or
Subsidiary, as applicable, has failed to cure the same in all material respects within a thirty (30)-day period of that notice and (ii) the Company or the Subsidiary, as applicable, has no right to
summarily terminate the Participant’s employment or service without notice. 

 10.22 “Greater Than 10%
Shareholder” means a U.S. Employee then owning (within the meaning of Section 424(d) of the Code) more than 10% of the total combined voting power of all classes of equity securities of the Company or its parent or subsidiary
corporation, as defined in Section 424(e) and (f) of the Code, respectively. 
 10.23 “Incentive Option”
means an Option intended to qualify as an “incentive stock option” as defined in Section 422 of the Code. 
 10.24
“NASDAQ Listing Date” means the first date upon which the Shares are listed (or approved for listing) upon notice of issuance on the NASDAQ Global Market. 

10.25
“Non-Employee Sub-Plan” means
the Non-Employee Sub-Plan to the Plan adopted by the Board for the grant of awards to certain consultants and
non-employee Directors; 
 10.26 “Nonstatutory Option” means an
Option not intended or not qualifying as an Incentive Option. 
 10.27 “Option” means an option to purchase Shares. 

10.28 “Ordinary Share” means an ordinary share of £0.0001 each in the capital of the Company. 

  
 23 

 10.29 “Other Share Based Awards” means awards of Shares, and other awards
valued wholly or partially by referring to, or are otherwise based on, Shares or other property. 
 10.30 “Participant”
means a Service Provider who has been granted an Award. 
 10.31 “Performance Criteria” mean the criteria (and adjustments)
that the Administrator may select for an Award to establish performance goals for a performance period. 
 10.32 “Plan”
means this 2021 Equity Incentive Plan. 
 10.33 “Restricted Shares” means Shares awarded to a Participant under
Section 6 subject to certain vesting conditions and other restrictions. 
 10.34 “Restricted Share Unit” means an
unfunded, unsecured right to receive, on the applicable settlement date, one Share or an amount in cash or other consideration determined by the Administrator to be of equal value as of such settlement date, subject to certain vesting conditions and
other restrictions. 
 10.35 “Rule 16b-3” means Rule 16b-3 promulgated under the Exchange Act. 
 10.36 “Sale” shall
mean the sale of all or substantially all of the assets of the Company. 
 10.37 “Section 409A” means
Section 409A of the Code and all regulations, guidance, compliance programs and other interpretative authority thereunder. 
 10.38
“Securities Act” means the United States Securities Act of 1933, as amended. 
 10.39 “Service Provider”
means an Employee or a Director who is an Employee. 
 10.40 “Share” means an Ordinary Share or the number of ADSs equal to
an Ordinary Share. 
 10.41 “Share Appreciation Right” means a Share Appreciation right granted under Section 5. 

10.42 “Subsidiary” means any entity (other than the Company), whether domestic or foreign, in an unbroken chain of entities
beginning with the Company if each of the entities other than the last entity in the unbroken chain beneficially owns, at the time of the determination, securities or interests representing at least 50% of the total combined voting power of all
classes of securities or interests in one of the other entities in such chain. 

  
 24 

 10.43 “Substitute Awards” shall mean Awards granted or Shares issued by the
Company in assumption of, or in substitution or exchange for, awards previously granted, or the right or obligation to make future awards, in each case by a company acquired by the Company or any Subsidiary or with which the Company or any
Subsidiary combines. 
 10.44 “Takeover” shall mean if any person (or a group of persons acting in concert) (the
“Acquiring Person”): 
 (i) obtains Control of the Company as the result of making a general offer to: 

(A) acquire all of the issued ordinary share capital of the Company, which is made on a condition that, if it is satisfied, the Acquiring
Person will have Control of the Company; or 
 (B) acquire all of the shares in the Company which are of the same class as the Shares; or

 (ii) obtains Control of the Company as a result of or in connection with the court sanctioning a compromise or arrangement under
Section 899 of the UK Companies Act 2006, or sanctioned under any other similar law of another jurisdiction; or 
 (iii) becomes bound
or entitled under Sections 979 to 985 of the UK Companies Act 2006 (or similar law of another jurisdiction) to acquire shares of the same class as the Shares; or 

(iv) obtains Control of the Company in any other way. 

In the event that any Award to a U.S. Employee, to which Section 409A applies, becomes vested or exercisable, as applicable, pursuant to a Takeover, if
such event does not also constitute a change in the ownership or effective control of the Company, or in the ownership of a substantial portion of the Company’s assets (in either case, as defined in Section 409A), such amount will not
become vested or exercisable on such event but instead shall become vested or exercisable in accordance with the vesting schedule set forth in the applicable Award Notification, except to the extent that earlier distribution would not result in the
Participant incurring any additional tax, penalty, interest or other expense under Section 409A. 
 10.45 “Termination of
Service” means the date the Participant ceases to be a Service Provider. 
 10.46 “U.S. Employee” means an
employee of the Company or any of its present or future parent or subsidiary corporations, as defined in Sections 424(e) or (f) of the Code who is either a U.S. resident or U.S. taxpayer. 

  
 25 

 NON-EMPLOYEE
SUB-PLAN 
 TO THE GYROSCOPE THERAPEUTICS HOLDINGS PLC 2021 EQUITY INCENTIVE PLAN 

This sub-plan (the “Non-Employee
Sub-Plan”) to the Gyroscope Therapeutics Holdings plc 2021 Equity Incentive Plan (the “Plan”) governs the grant of Awards to Consultants (defined below) and Directors who
are not Employees, and has been adopted in accordance with Section 9.5 of the Plan. The Non-Employee Sub-Plan incorporates all the provisions of the Plan except as
modified in accordance with the provisions of this Non-Employee Sub-Plan and was adopted by the Board on
                , 2021. 
 Awards granted pursuant to the Non-Employee Sub-Plan are not granted pursuant to an “employees’ share scheme” for the purposes of UK legislation. 

For the purposes of the Non-Employee Sub-Plan, the provisions of the Plan
shall operate subject to the following modifications: 
  

	1.	 Eligibility 

1.1 A definition of “Consultant” shall be included as follows: 

“Consultant” means any person, including any adviser, engaged by the Company or its parent or Subsidiary to render services to
such entity if the consultant or adviser: (i) renders bona fide services to the Company; (ii) renders services not in connection with the offer or sale of securities in a capital-raising transaction and does not directly or indirectly
promote or maintain a market for the Company’s securities; and (iii) is a natural person. 
 1.2 The definition of
“Service Provider” set out in the Plan shall be read and construed as follows: 
 “Service Provider” means
a Consultant or Director, including a non-employee director. 
  

	2.	 Taxation  

2.1 Section 10.6 shall apply to Service Providers that are U.S. residents or U.S. taxpayers. 

51 

  
 26EX-10.7

 Exhibit 10.7 

GYROSCOPE THERAPEUTICS HOLDINGS PLC 

2021 EMPLOYEE SHARE PURCHASE PLAN 

The purpose of the Gyroscope Therapeutics Holdings plc 2021 Employee Share Purchase Plan (the “Plan”) is to provide eligible
employees of Gyroscope Therapeutics Holdings plc (the “Company”) and each Designated Subsidiary (as defined in Section 11) with opportunities to purchase Ordinary Shares or the number of American Depositary Shares, representing
Ordinary Shares on deposit with a U.S. banking institution selected by the Company and which are registered pursuant to a Form F-6, equal to an Ordinary Share (the “Shares”).
                 Shares in the aggregate have been approved and reserved for this purpose, plus on January 1, 2022 and each January 1 thereafter through
January 1, 2030, the number of Shares reserved and available for issuance under the Plan shall be increased by the least of (i)                  one percent
(1%) of the number of Shares issued and outstanding on the immediately preceding December 31, or (ii) such lesser number of Shares as determined by the Administrator; it being understood that the number of Ordinary
Shares increased by this sentence shall not exceed more than                  Ordinary Shares in the aggregate. 

The Plan includes two components: a Code Section 423 Component (the “423 Component”) and a non-Code Section 423 Component (the “Non-423 Component”). It is intended for the 423 Component to constitute an “employee stock purchase
plan” within the meaning of Section 423(b) of the U.S. Internal Revenue Code of 1986, as amended (the “Code”), and the 423 Component shall be interpreted in accordance with that intent. Under the Non-423 Component, which does not qualify as an “employee stock purchase plan” within the meaning of Section 423(b) of the Code, options will be granted pursuant to rules, procedures or sub-plans adopted by the Administrator designed to achieve tax, securities laws or other objectives for eligible employees. Except as otherwise provided herein, the
Non-423 Component will operate and be administered in the same manner as the 423 Component. 

Unless otherwise defined herein, capitalized terms in this Plan shall have the meaning ascribed to them in Section 11. 

1. Administration. The Plan will be administered by the person or persons (the “Administrator”) appointed by the
Company’s Board of Directors (the “Board”) for such purpose. The Administrator has authority at any time to: (i) determine the Offerings, (ii) adopt, alter and repeal such rules, guidelines and practices for the
administration of the Plan and for its own acts and proceedings as it shall deem advisable; (iii) interpret the terms and provisions of the Plan; (iv) make all determinations it deems advisable for the administration of the Plan, including
to accommodate the specific requirements of local laws, regulations and procedures for jurisdictions outside the United States; (v) decide all disputes arising in connection with the Plan; and (vi) otherwise supervise the administration of
the Plan. All interpretations and decisions of the Administrator shall be binding on all persons, including the Company and the Participants. No member of the Board or individual exercising administrative authority with respect to the Plan shall be
liable for any action or determination made in good faith with respect to the Plan or any option granted hereunder. 

 2. Offerings. The Company will make one or more offerings to eligible employees to
purchase Shares under the Plan (“Offerings”) consisting of one or more Purchase Periods. Unless otherwise determined by the Administrator, the initial Offering will begin on a date determined by the Board and will end six
(6) months from such date. Thereafter, unless otherwise determined by the Administrator, an Offering will begin on a date determined by the Board and will end six (6) months from such date. The Administrator may, in its discretion,
designate a different period for any Offering, provided that no Offering shall exceed twenty-seven (27) months in duration or overlap with any other Offering. 

3. Eligibility. All individuals classified as employees on the payroll records of the Company and each Designated Subsidiary are
eligible to participate in any one or more of the Offerings under the Plan; provided that, unless otherwise determined by the Administrator, as of the first day of the applicable Offering (the “Offering Date”) they are
customarily employed by the Company or a Designated Subsidiary for more than twenty (20) hours a week and have completed at least thirty (30) days of employment. Notwithstanding any other provision herein, individuals who are not
contemporaneously classified as employees of the Company or a Designated Subsidiary for purposes of the Company’s or applicable Designated Subsidiary’s payroll system are not considered to be eligible employees of the Company or any
Designated Subsidiary and shall not be eligible to participate in the Plan. In the event any such individuals are reclassified as employees of the Company or a Designated Subsidiary for any purpose, including, without limitation, common law or
statutory employees, by any action of any third party, including, without limitation, any government agency, or as a result of any private lawsuit, action or administrative proceeding, such individuals shall, notwithstanding such reclassification,
remain ineligible for participation, unless such individuals are required to be eligible to participate in the Plan pursuant to applicable law. Notwithstanding the foregoing, the exclusive means for individuals who are not contemporaneously
classified as employees of the Company or a Designated Subsidiary on the Company’s or Designated Subsidiary’s payroll system to become eligible to participate in this Plan is through an amendment to this Plan, duly executed by the Company,
which specifically renders such individuals eligible to participate herein. 
 4. Participation. 

An eligible employee may participate in an Offering by submitting an enrollment form (which may be in electronic format) to his or her
appropriate payroll location at least fifteen (15) business days before the Offering Date (or by such other deadline as shall be established by the Administrator for the Offering). The enrollment form will (a) state a whole percentage or
the amount to be deducted from an eligible employee’s Compensation (as defined in Section 11) per pay period, (b) authorize the purchase of Shares in each Offering in accordance with the terms of the Plan and (c) specify the
exact name or names in which Shares purchased for such individual are to be issued pursuant to Section 10. An employee who does not enroll in accordance with these procedures will be deemed to have waived the right to participate. Unless a
Participant files a new enrollment form or withdraws from the Plan, such Participant’s deductions and purchases will continue at the same percentage or amount of Compensation for future Offerings, provided he or she remains eligible.
Notwithstanding the foregoing, participation in the Plan will neither be permitted nor be denied contrary to the requirements of the Code. 

 5. Employee Contributions. Each eligible employee may authorize payroll deductions at
a minimum of one percent (1%) up to a maximum of fifteen percent (15%) of such employee’s Compensation for each pay period. The Company will maintain book accounts showing the amount of payroll deductions made by each Participant for each
Purchase Period. No interest will accrue or be paid on payroll deductions, except as may be required by applicable law. If payroll deductions for purposes of the Plan are prohibited or otherwise problematic under applicable law (as determined by the
Administrator in its discretion), the Administrator may require Participants to contribute to the Plan by such other means as determined by the Administrator. Any reference to “payroll deductions” in this Section 5 (or in any other
section of the Plan) will similarly cover contributions by other means made pursuant to this Section 5. 
 6. Deduction Changes.
Except as may be determined by the Administrator in advance of an Offering, a Participant may not increase or decrease his or her payroll deduction during any Offering, but may increase or decrease his or her payroll deduction with respect to the
next Offering (subject to the limitations of Section 5) by filing a new enrollment form at least fifteen (15) business days before the next Offering Date (or by such other deadline as shall be established by the Administrator for the
Offering). The Administrator may, in advance of any Offering, establish rules permitting a Participant to increase, decrease or terminate his or her payroll deduction during an Offering. 

7. Withdrawal. A Participant may withdraw from participation in the Plan at any time prior to the end of an Offering by delivering a
written notice of withdrawal to the Company in accordance with such procedures as may be established. The Participant’s withdrawal will be effective as of the next business day. Following a Participant’s withdrawal, the Company will
promptly refund such individual’s entire account balance under the Plan to him or her (after payment for any Shares purchased before the effective date of withdrawal). Partial withdrawals are not permitted. Such an employee may not begin
participation again during the remainder of the Offering, but may enroll in a subsequent Offering in accordance with Section 4. 
 8.
Grant of Options. On each Offering Date, the Company will grant to each eligible employee who is then a Participant in the Plan an option (“Option”) to purchase on the last day of a Purchase Period (the “Exercise
Date”), at the Option Price hereinafter provided for, the lowest of (a) a number of shares of Common Stock determined by dividing such Participant’s accumulated payroll deductions on such Exercise Date by the Option Price (as
defined herein), (b) such maximum number of shares as shall have been established by the Administrator in advance of the Offering; provided, however, that such Option shall be subject to the limitations set forth below. Each
Participant’s Option shall be exercisable only to the extent of such Participant’s accumulated payroll deductions on the Exercise Date. The purchase price for each share purchased under each Option (the “Option Price”)
will be eighty-five percent (85%) of the Fair Market Value of the Shares on the Offering Date or the Exercise Date, whichever is less. 

Notwithstanding the foregoing, no Participant may be granted an Option hereunder if such Participant, immediately after the Option was
granted, would be treated as owning shares possessing five percent (5%) or more of the total combined voting power or value of all classes of shares of the Company or any Parent or Subsidiary (as defined in Section 11). For purposes of the
preceding sentence, the attribution rules of Section 424(d) of the Code shall apply in determining the share ownership of a Participant, and all shares which the Participant has a 

 
contractual right to purchase shall be treated as shares owned by the Participant. In addition, no Participant may be granted an Option which permits his or her rights to purchase Shares under
the Plan, and any other employee share purchase plan of the Company and its Designated Subsidiaries, to accrue at a rate which exceeds twenty-five thousand dollars ($25,000) of the fair market value of such Shares (determined on the Option grant
date or dates) for each calendar year in which the Option is outstanding at any time. The purpose of the limitation in the preceding sentence is to comply with Section 423(b)(8) of the Code and shall be applied taking Options into account in
the order in which they were granted. 
 9. Exercise of Option and Purchase of Shares. Each employee who continues to be a
Participant in the Plan on the Exercise Date shall be deemed to have exercised his or her Option on such date and shall acquire from the Company such number of whole Shares reserved for the purpose of the Plan as his or her accumulated payroll
deductions on such date will purchase at the Option Price, subject to any other limitations contained in the Plan. Any amount remaining in a Participant’s account at the end of a Purchase Period solely by reason of the inability to purchase a
fractional share will be carried forward to the next Purchase Period and, if such Exercise Date is the final Exercise Date of an Offering, will be carried forward to the next Offering; any other balance remaining in a Participant’s account at
the end of an Offering for any other reason will be refunded to the Participant promptly. 
 10. Issuance of Certificates. Shares
purchased under the Plan will be registered only in the name of the employee, in the name of the employee and another person of legal age as joint tenants with rights of survivorship, or in the name of a broker authorized by the employee to be his,
her or their, nominee for such purpose. The Company will not be required to deliver to any certificates evidencing Shares and instead such Shares may be recorded in the books of the Company (or, as applicable, its transfer agent or stock plan
administrator). 
 11. Definitions. For the purposes of the Plan, the following terms shall be defined as set forth below: 

“Compensation” means the amount of base pay, prior to salary reduction pursuant to Sections 125, 132(f)
or 401(k) of the Code, but excluding overtime, commissions, incentive or bonus awards, allowances and reimbursements for expenses such as relocation allowances or travel expenses, income or gains on the exercise of Company share options and similar
items. 
 “Designated Subsidiary” means any present or future Subsidiary that has been designated by the
Administrator to participate in the Plan. The Administrator may so designate any Subsidiary, or revoke any such designation, at any time and from time to time, either before or after the Plan is approved by the stockholders, and may further
designate such companies or Participants as participating in the 423 Component or the Non-423 Component. The Administrator may also determine which eligible employees may be excluded from participation in the
Plan, to the extent consistent with Section 423 of the Code or as implemented under the Non-423 Component, and determine which Designated Subsidiaries will participate in separate Offerings (to the extent
that the Company makes separate Offerings). For purposes of the 423 Component, only the Company and its Subsidiaries may be Designated Subsidiaries; provided, however, that, at any given time, a Subsidiary that is a Designated Subsidiary
under the 423 Component will not be a Designated Subsidiary under the Non-423 Component. 

 “Fair Market Value of the Shares” means, as of any date,
the value of Shares determined as follows: (i) if the Shares are listed on any established stock exchange the closing sales price for Shares as quoted on such exchange for the last day preceding such date during which a sale occurred, as
reported in The Wall Street Journal or another source the Administrator deems reliable; (ii) if the Shares are not traded on a stock exchange but are quoted on a national market or other quotation system, the closing sales price on the last
date preceding such date during which a sale occurred, as reported in The Wall Street Journal or another source the Administrator deems reliable; or (iii) without an established market for the Shares, the Administrator will determine the Fair
Market Value in its discretion in accordance with applicable laws. 
 “Parent” means a “parent
corporation” with respect to the Company, as defined in Section 424(e) of the Code. 

“Participant” means an individual who is eligible as determined in Section 3 and who has complied with
the provisions of Section 4. 
 “Purchase Period” means a period of time specified within an Offering
beginning on the Offering Date or on the next day following an Exercise Date within an Offering and ending on an Exercise Date. An Offering may consist of one or more Purchase Periods. 

“Registration Date” means the date upon which the registration statement on
Form F-1 that is filed by the Company with respect to its initial public offering is declared effective by the U.S. Securities and Exchange Commission. 

“Subsidiary” means a “subsidiary corporation” with respect to the Company, as defined in
Section 424(f) of the Code. 
 12. Rights on Termination of Employment. If a Participant’s employment terminates for any
reason before the Exercise Date for any Offering, no payroll deduction will be taken from any pay due and owing to the Participant and the balance in the Participant’s account will be paid to such Participant or, in the case of such
Participant’s death, to his or her designated beneficiary as if such Participant had withdrawn from the Plan under Section 7. In the case of Participants who are employed in the UK, the termination date of their employment will be the date
they give, or are given, notice of termination of their employment unless the Administrator decides that it shall be a later date before the statutory or contractual expiry date of their notice period. An employee will be deemed to have terminated
employment, for this purpose, if the corporation that employs him or her, having been a Designated Subsidiary, ceases to be a Subsidiary, or if the employee is transferred to any corporation other than the Company or a Designated Subsidiary. Unless
otherwise determined by the Administrator, a Participant whose employment transfers between, or whose employment terminates with an immediate rehire (with no break in service) by the Company or a Designated Subsidiary, will not be treated as having
terminated employment for purposes of participating in the Plan or an Offering; provided,  

 
however, that, if a Participant transfers from an Offering under the 423 Component to an Offering under the Non-423 Component, the exercise of the
Participant’s Option will be qualified under the 423 Component only to the extent that such exercise complies with Section 423 of the Code. If a Participant transfers from an Offering under the
Non-423 Component to an Offering under the 423 Component, the exercise of the Participant’s Option will remain non-qualified under the Non-423 Component. An employee will not be deemed to have terminated employment for this purpose, if the employee is on an approved leave of absence for military service or sickness or for any other purpose approved
by the Company, if the employee’s right to reemployment is guaranteed either by a statute or by contract or under the policy pursuant to which the leave of absence was granted or if the Administrator otherwise provides in writing. 

If a Participant ceases to be employed by the Company or any Designated Subsidiary for any reason whatsoever (including as a result of being
wrongfully or unfairly dismissed) he or she shall not be entitled, and by participating in this Plan he or she shall be deemed to have waived any possible entitlement, to any sum or benefit accrued or in prospect as a result of that participation
and no such loss or curtailment shall form part of any claim for damages for breach of the Participant’s contract of employment or compensation for dismissal or any other claim whatsoever. 

13. Special Rules and Sub-Plans. Notwithstanding anything herein to the contrary, the
Administrator may adopt special rules or sub-plans applicable to the employees of a particular Designated Subsidiary, whenever the Administrator determines that such rules are necessary or appropriate for the
implementation of the Plan in a jurisdiction where such Designated Subsidiary has employees, regarding, without limitation, eligibility to participate in the Plan, handling and making of payroll deductions or contributions by other means,
establishment of bank or trust accounts to hold payroll deductions, payment of interest, conversion of local currency, obligations to pay payroll tax, withholding procedures and handling of share issuances, any of which may vary according to
applicable requirements; provided that, if such special rules or sub-plans are inconsistent with the requirements of Section 423(b) of the Code, the employees subject to such special rules or sub-plans will participate in the Non-423 Component. 
 14.
Optionees Not Shareholders. Neither the granting of an Option to a Participant nor the deductions from his or her pay shall constitute such Participant a holder of the Shares covered by an Option under the Plan until such Shares have been
purchased by and issued to him or her. No Participant shall have voting rights in Shares that he or she may purchase until such Shares have actually been purchased and issued by the Participant. 

15. Rights Not Transferable. Rights under the Plan are not transferable by a Participant other than by will or the laws of descent and
distribution, and are exercisable during the Participant’s lifetime only by the Participant. 
 16. Application of Funds. All
funds received or held by the Company under the Plan may be combined with other corporate funds and may be used for any corporate purpose. 

 17. Adjustment in Case of Changes Affecting Shares and Transactions. 

 

	 	(a)	 If any change is made in the Shares, or subject to any Option under the Plan, without the receipt of
consideration by the Company by way of any (i) variation in the ordinary share capital of the Company by way of capitalisation of profits or reserves or by way of rights or any consolidation or
sub-division or reduction of capital or otherwise; (ii) any demerger, distribution, dividend in specie or super dividend; or (iii) other corporate event which in the reasonable opinion of the Board
justifies an adjustment, the Plan will be appropriately adjusted in the class(es) and maximum number of Shares subject to the Plan and the share limitation subject to Section 8, if any, and the outstanding Options will be appropriately adjusted
in the class(es), number of Shares and share limitations of such outstanding Options. The Board shall make such adjustments, and its determination shall be final, binding and conclusive. (The conversion of any convertible securities of the Company
shall not be treated as a transaction that does not involve the receipt of consideration by the Company.) 

  

	 	(b)	 Without limitation on the preceding provisions, in the event of any corporate transaction, the Board may make
such adjustment it deems appropriate to prevent dilution or enlargement of rights in the number and class of Shares which may be delivered under the Plan, in the number, class of or Option Price available for purchase under the Plan and in the
number of the Shares which an employee is entitled to purchase and any other adjustments it deems appropriate. Without limiting the Board’s authority under this Plan, in the event of any transaction, the Board may elect to have the Options
hereunder assumed or such Options substituted by a successor entity, to terminate all outstanding Options, either prior to their expiration or upon completion of the purchase of Shares on the next Exercise Date, to shorten the Offering by setting a
new Exercise Date or to take such other action deemed appropriate by the Board. 

 18. Amendment of the Plan. The
Board may at any time and from time to time amend the Plan in any respect, except that, without the approval within twelve (12) months of such Board action by the shareholders, no amendment shall be made increasing the number of Shares approved
for the Plan or making any other change that would require shareholder approval in order for the Plan, as amended, to qualify as an “employee stock purchase plan” under Section 423(b) of the Code. 

19. Insufficient Shares. If the total number of Shares that would otherwise be purchased on any Exercise Date plus the number of Shares
purchased under previous Offerings under the Plan exceeds the maximum number of Shares issuable under the Plan, the Shares then available shall be apportioned among Participants in proportion to the amount of payroll deductions accumulated on behalf
of each Participant that would otherwise be used to purchase Shares on such Exercise Date. 
 20. Termination of the Plan. The Plan
may be terminated at any time by the Board. Upon termination of the Plan, all amounts in the accounts of Participants shall be promptly refunded. 

 21. Governmental Regulations. The Company’s obligation to sell and deliver
Shares under the Plan is subject to obtaining all governmental approvals required in connection with the authorization, issuance, or sale of such Shares. 

22. Governing Law. This Plan and all Options and actions taken thereunder shall be governed by, and construed in accordance with, the
law of England and Wales, applied without regard to conflict of law principles. 
 23. Issuance of Shares. Shares may be issued upon
exercise of an Option from authorized but unissued Shares, from Shares held in the treasury of the Company, or from any other proper source. 

24. Tax Withholding. Participation in the Plan is subject to any minimum required tax withholding on income of the Participant in
connection with the Plan. Each Participant agrees, by entering the Plan, that the Company and its Subsidiaries shall have the right to deduct any such taxes from any payment of any kind otherwise due to the Participant, including Shares issuable
under the Plan. For this purpose “tax” shall mean Federal, state and local taxes and social security taxes in the US, and their equivalent in any other jurisdiction, for which a Participant is liable by reason of the acquisition, holding
or disposal of Shares under the Plan or the receipt of any other benefit in connection with it and which the Company or any Subsidiary is liable to account for on the Participant’s behalf. 

25. Notification Upon Sale of Shares. Each Participant agrees, by entering the 423 Component of the Plan, to provide if requested by
the Company prompt notice of any disposition of shares purchased under the Plan where such disposition occurs within two years after the date of grant of the Option pursuant to which such shares were purchased or within one year after the date such
shares were purchased. 
 26. Effective Date and Approval of Shareholders. The Plan shall, subject to shareholder approval in
accordance with applicable law, take effect upon the date immediately preceding the Registration Date. 

 APPENDIX A 

Designated Subsidiaries

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