Document:

EX-10.5

 Exhibit 10.5 

RA MEDICAL SYSTEMS, INC. 

2018 EMPLOYEE STOCK PURCHASE PLAN 

1.    Purpose. The purpose of the Plan is to provide employees of the Company and its Designated Companies with an
opportunity to purchase Common Stock through accumulated Contributions. The Company intends for the Plan to have two components: a component that is intended to qualify as an “employee stock purchase plan” under Section 423 of the
Code (the “423 Component”) and a component that is not intended to qualify as an “employee stock purchase plan” under Section 423 of the Code (the “Non-423 Component”).
The provisions of the 423 Component, accordingly, will be construed so as to extend and limit Plan participation in a uniform and nondiscriminatory basis consistent with the requirements of Section 423 of the Code. An option to purchase
shares of Common Stock under the Non-423 Component 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 and the Company. Except as otherwise provided herein, the Non-423 Component will operate and be administered in the same manner as the 423 Component.

 2.    Definitions. 

(a)    “Administrator” means the Board or any Committee designated by the Board to administer the Plan
pursuant to Section 14. 
 (b)    “Affiliate” means any entity, other than a Subsidiary, in which
the Company has an equity or other ownership interest. 
 (c)    “Applicable Laws” means the
requirements relating to the administration of equity-based awards under U.S. state corporate laws, U.S. federal and state securities laws, the Code, any stock exchange or quotation system on which the Common Stock is listed or quoted and the
applicable laws of any foreign country or jurisdiction where options are, or will be, granted under the Plan. 

(d)    “Board” means the Board of Directors of the Company. 

(e)    “Change in Control” means the occurrence of any of the following events: 

(i)    A change in the ownership of the Company which occurs on the date that any one person, or more than one person
acting as a group (“Person”), acquires ownership of the stock of the Company that, together with the stock held by such Person, constitutes more than fifty percent (50%) of the total voting power of the stock of the Company; provided,
however, that for purposes of this subsection, the acquisition of additional stock by any one Person, who is considered to own more than fifty percent (50%) of the total voting power of the stock of the Company will not be considered a Change in
Control. Further, if the stockholders of the Company immediately before such change in ownership continue to retain immediately after the change in ownership, in substantially the same proportions as their ownership

 
of shares of the Company’s voting stock immediately prior to the change in ownership, direct or indirect beneficial ownership of fifty percent (50%) or more of the total voting power of the
stock of the Company or of the ultimate parent entity of the Company, such event shall not be considered a Change in Control under this subsection (i). For this purpose, indirect beneficial ownership shall include, without limitation, an interest
resulting from ownership of the voting securities of one or more corporations or other business entities which own the Company, as the case may be, either directly or through one or more subsidiary corporations or other business entities; or 

(ii)    A change in the effective control of the Company which occurs on the date that a majority of members of the Board
is replaced during any twelve (12)-month period by Directors whose appointment or election is not endorsed by a majority of the members of the Board prior to the date of the appointment or election. For purposes of this subsection (ii), if any
Person is considered to be in effective control of the Company, the acquisition of additional control of the Company by the same Person will not be considered a Change in Control; or 

(iii)    A change in the ownership of a substantial portion of the Company’s assets which occurs on the date that
any Person acquires (or has acquired during the twelve (12)-month period ending on the date of the most recent acquisition by such Person) assets from the Company that have a total gross fair market value
equal to or more than fifty percent (50%) of the total gross fair market value of all of the assets of the Company immediately prior to such acquisition or acquisitions; provided, however, that for purposes of this subsection, the following will not
constitute a change in the ownership of a substantial portion of the Company’s assets: (A) a transfer to an entity that is controlled by the Company’s stockholders immediately after the transfer, or (B) a transfer of assets by
the Company to: (1) a stockholder of the Company (immediately before the asset transfer) in exchange for or with respect to the Company’s stock, (2) an entity, fifty percent (50%) or more of the total value or voting power of which is
owned, directly or indirectly, by the Company, (3) a Person, that owns, directly or indirectly, fifty percent (50%) or more of the total value or voting power of all the outstanding stock of the Company, or (4) an entity, at least fifty
percent (50%) of the total value or voting power of which is owned, directly or indirectly, by a Person described in this subsection (iii)(B)(3). For purposes of this subsection, gross fair market value means the value of the assets of the Company,
or the value of the assets being disposed of, determined without regard to any liabilities associated with such assets. 
 For purposes of
this definition, persons will be considered to be acting as a group if they are owners of a corporation that enters into a merger, consolidation, purchase, or acquisition of stock, or similar business transaction with the Company. 

Notwithstanding the foregoing, a transaction will not be deemed a Change in Control unless the transaction qualifies as a change in control
event within the meaning of Code Section 409A, as it has been and may be amended from time to time, and any proposed or final U.S. Treasury Regulations and Internal Revenue Service guidance that has been promulgated or may be promulgated
thereunder from time to time. 

  
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 Further and for the avoidance of doubt, a transaction will not constitute a Change in
Control if: (i) its sole purpose is to change the jurisdiction of the Company’s incorporation, or (ii) its sole purpose is to create a holding company that will be owned in substantially the same proportions by the persons who held
the Company’s securities immediately before such transaction. 
 (f)    “Code” means the U.S.
Internal Revenue Code of 1986, as amended. Reference to a specific section of the Code will include such section, any valid regulation or other official applicable guidance promulgated under such section, and any comparable provision of any future
legislation or regulation amending, supplementing or superseding such section or regulation. 

(g)    “Committee” means a committee of the Board appointed in accordance with Section 14 hereof.

 (h)    “Common Stock” means the Common Stock of the Company. 

(i)    “Company” means Ra Medical Systems, Inc., a Delaware corporation, or any successor thereto.
 
 (j)    “Compensation” includes an Eligible Employee’s base straight time gross earnings
but excludes payments for incentive compensation, bonuses, payments for overtime and shift premium, equity compensation income and other similar compensation. The Administrator, in its discretion, may, on a uniform and nondiscriminatory basis,
establish a different definition of Compensation for a subsequent Offering Period. 

(k)    “Contributions” means the payroll deductions and other additional payments that the Company may
permit to be made by a Participant to fund the exercise of options granted pursuant to the Plan. 

(l)    “Designated Company” means any Subsidiary or Affiliate that has been designated by the
Administrator from time to time in its sole discretion as eligible to participate in the Plan. For purposes of the 423 Component, only the Company and its Subsidiaries may be Designated Companies, provided, however that at any given time, a
Subsidiary that is a Designated Company under the 423 Component will not be a Designated Company under the Non-423 Component. 

(m)    “Director” means a member of the Board. 

(n)    “Eligible Employee” means any individual who is a common law employee providing services to the
Company or a Designated Company and is customarily employed for at least twenty (20) hours per week and more than five (5) months in any calendar year by the Employer, or any lesser number of hours per week and/or number of months in any
calendar year established by the Administrator (if required under Applicable Laws) for purposes of any separate Offering or the Non-423 Component. For purposes of the Plan, the employment relationship will be
treated as continuing intact while the individual is on sick leave or other leave of absence that the Employer approves or is legally protected under Applicable Laws. Where the period of leave exceeds three (3) months and the individual’s
right to reemployment is not guaranteed either by statute or by contract, the employment relationship will be deemed to have 

  
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terminated three (3) months and one (1) day following the commencement of such leave. The Administrator, in its discretion, from time to time may, prior to an Enrollment Date for all
options to be granted on such Enrollment Date in an Offering, determine (for each Offering under the 423 Component on a uniform and nondiscriminatory basis or as otherwise permitted by Treasury Regulation
Section 1.423-2) that the definition of Eligible Employee will or will not include an individual if he or she: (i) has not completed at least two (2) years of service since his or her last hire
date (or such lesser period of time as may be determined by the Administrator in its discretion), (ii) customarily works not more than twenty (20) hours per week (or such lesser period of time as may be determined by the Administrator in
its discretion), (iii) customarily works not more than five (5) months per calendar year (or such lesser period of time as may be determined by the Administrator in its discretion), (iv) is a highly compensated employee within the meaning
of Section 414(q) of the Code, or (v) is a highly compensated employee within the meaning of Section 414(q) of the Code with compensation above a certain level or is an officer or subject to the disclosure requirements of
Section 16(a) of the Exchange Act, provided the exclusion is applied with respect to each Offering under the 423 Component in an identical manner to all highly compensated individuals of the Employer whose Eligible Employees are participating
in that Offering. Each exclusion will be applied with respect to an Offering under the 423 Component in a manner complying with U.S. Treasury Regulation Section 1.423-2(e)(2)(ii). Such exclusions may be
applied with respect to an Offering under the Non-423 Component without regard to the limitations of U.S. Treasury Regulation Section 1.423-2. 

(o)    “Employer” means the employer of the applicable Eligible Employee(s). 

(p)    “Enrollment Date” means the first Trading Day of an Offering Period. 

(q)    “Exchange Act” means the U.S. Securities Exchange Act of 1934, as amended, including the rules and
regulations promulgated thereunder. 
 (r)    “Exercise Date” means the last Trading Day of the
Purchase Period. Notwithstanding the foregoing, in the event that an Offering Period is terminated prior to its expiration pursuant to Section 20(a), the Administrator, in its sole discretion, may determine that any Purchase Period also
terminating under such Offering Period will terminate without options being exercised on the Exercise Date that otherwise would have occurred on the last Trading Day of such Purchase Period. 

(s)    “Fair Market Value” means, as of any date, the value of a share of Common Stock determined as
follows: 
 (i)    For purposes of the Enrollment Date of the first Offering Period under the Plan, the Fair Market
Value will be the initial price to the public as set forth in the final prospectus included within the Registration Statement. 

(ii)    For all other purposes, the Fair Market Value will be the closing sales price for Common Stock as quoted on any
established stock exchange or national market system (including without limitation the New York Stock Exchange, NASDAQ Global Select Market, the NASDAQ Global Market or the NASDAQ Capital Market of The NASDAQ Stock Market) on which the Common Stock
is listed on the date of determination (or the closing bid, if no sales were reported), as reported in The Wall Street Journal 

  
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or such other source as the Administrator deems reliable. If the determination date for the Fair Market Value occurs on a non-trading day (i.e., a weekend
or holiday), the Fair Market Value will be such price on the immediately preceding trading day, unless otherwise determined by the Administrator. In the absence of an established market for the Common Stock, the Fair Market Value thereof will be
determined in good faith by the Administrator. 
 The determination of fair market value for purposes of tax withholding may be made in the
Administrator’s discretion subject to Applicable Laws and is not required to be consistent with the determination of Fair Market Value for other purposes. 

(iii)    In the absence of an established market for the Common Stock, the Fair Market Value thereof will be determined
in good faith by the Administrator; or 
 (t)     “Fiscal Year” means a fiscal year of the Company.

 (u)    “New Exercise Date” means a new Exercise Date if the Administrator shortens any Offering
Period then in progress. 
 (v)    “Offering” means an offer under the Plan of an option that may be
exercised during an Offering Period as further described in Section 4. For purposes of the Plan, the Administrator may designate separate Offerings under the Plan (the terms of which need not be identical) in which Eligible Employees of one or
more Employers will participate, even if the dates of the applicable Offering Periods of each such Offering are identical and the provisions of the Plan will separately apply to each Offering. To the extent permitted by U.S. Treasury Regulation Section 1.423-2(a)(1), the terms of each Offering need not be identical provided that the terms of the Plan and an Offering together satisfy U.S. Treasury Regulation
Section 1.423-2(a)(2) and (a)(3). 
 (w)    “Offering
Periods” means the consecutive periods of approximately six (6) months during which an option granted pursuant to the Plan may be exercised, commencing on the first Trading Day on or after May 20 and November 20 of each year
and terminating on the last Trading Day on or before November 20 and May 20, approximately six (6) months later; provided, however, that the first Offering Period under the Plan will commence with the first Trading Day on or after the
date on which the Securities and Exchange Commission declares the Company’s Registration Statement effective and will end on the last Trading Day on or before May 20, 2019, and provided, further, that the second Offering Period under the
Plan will commence on the first Trading Day on or after May 20, 2019. The duration and timing of Offering Periods may be changed pursuant to Sections 4, 20 and 30. 

(x)    “Parent” means a “parent corporation,” whether now or hereafter existing, as defined in
Section 424(e) of the Code. 
 (y)    “Participant” means an Eligible Employee that participates
in the Plan. 
 (z)    “Plan” means this Ra Medical Systems, Inc. 2018 Employee Stock Purchase Plan.

  
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 (aa)    “Purchase Period” means the period during an
Offering Period during which shares of Common Stock may be purchased on a Participant’s behalf in accordance with the terms of the Plan. Unless and until provided otherwise, the length and duration of the Purchase Periods shall coincide with
the length and duration of the Offering Periods. 
 (bb)    “Purchase Price” means an amount equal to
eighty-five percent (85%) of the Fair Market Value on the Enrollment Date or on the Exercise Date, whichever is lower; provided however, that the Purchase Price may be determined for subsequent Offering Periods by the Administrator subject to
compliance with Section 423 of the Code (or any successor rule or provision or any other Applicable Law, regulation or stock exchange rule) or pursuant to Section 20. 

(cc)    “Registration Date” means the effective date of the Registration Statement. 

(dd)    “Registration Statement” means the registration statement on Form
S-1 filed with the Securities and Exchange Commission for the initial public offering of the Common Stock. 

(ee)    “Subsidiary” means a “subsidiary corporation,” whether now or hereafter existing, as
defined in Section 424(f) of the Code. 
 (ff)    “Trading Day” means a day on which the national
stock exchange upon which the Common Stock is listed is open for trading. 
 (gg)    “U.S. Treasury
Regulations” means the Treasury regulations of the Code. Reference to a specific Treasury Regulation will include such Treasury Regulation, the section of the Code under which such regulation was promulgated, and any comparable provision of
any future legislation or regulation amending, supplementing, or superseding such Section or regulation. 

3.    Eligibility. 

(a)    First Offering Period. Any individual who is an Eligible Employee immediately prior to the first Offering
Period will be automatically enrolled in the first Offering Period. 
 (b)    Subsequent Offering Periods. Any
Eligible Employee on a given Enrollment Date subsequent to the first Offering Period will be eligible to participate in the Plan, subject to the requirements of Section 5. 

(c)    Non-U.S. Employees. Eligible Employees who are citizens or residents
of a non-U.S. jurisdiction (without regard to whether they also are citizens or residents of the United States or resident aliens (within the meaning of Section 7701(b)(1)(A) of the Code)) may be excluded
from participation in the Plan or an Offering if the participation of such Eligible Employees is prohibited under the laws of the applicable jurisdiction or if complying with the laws of the applicable jurisdiction would cause the Plan or an
Offering to violate Section 423 of the Code. In the case of the Non-423 Component, Eligible Employees may be excluded from participation in the Plan or an Offering if the Administrator determines that
participation of such Eligible Employees is not advisable or practicable. 

  
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 (d)    Limitations. Any provisions of the Plan to the contrary
notwithstanding, no Eligible Employee will be granted an option under the Plan (i) to the extent that, immediately after the grant, such Eligible Employee (or any other person whose stock would be attributed to such Eligible Employee pursuant
to Section 424(d) of the Code) would own capital stock of the Company or any Parent or Subsidiary of the Company and/or hold outstanding options to purchase such stock possessing five percent (5%) or more of the total combined voting power or
value of all classes of the capital stock of the Company or of any Parent or Subsidiary of the Company, or (ii) to the extent that his or her rights to purchase stock under all employee stock purchase plans (as defined in Section 423 of
the Code) of the Company or any Parent or Subsidiary of the Company accrues at a rate, which exceeds twenty-five thousand dollars ($25,000) worth of stock (determined at the Fair Market Value of the stock at the time such option is granted) for each
calendar year in which such option is outstanding at any time, as determined in accordance with Section 423 of the Code and the regulations thereunder. 

4.    Offering Periods. The Plan will be implemented by consecutive Offering Periods with a new Offering Period
commencing on the first Trading Day on or after May 20 and November 20 each year, or on such other dates as the Administrator will determine; provided, however, that the first Offering Period under the Plan will commence with the first
Trading Day on or after the Registration Date and end on the last Trading Day on or before May 20, 2019, and provided, further, that the second Offering Period under the Plan will commence on the first Trading Day on or after May 20, 2019.
The Administrator will have the power to change the duration of Offering Periods (including the commencement dates thereof) with respect to future Offerings without stockholder approval if such change is announced prior to the scheduled beginning of
the first Offering Period to be affected thereafter; provided, however, that no Offering Period may last more than twenty-seven (27) months. 

5.    Participation. 

(a)    First Offering Period. An Eligible Employee will be entitled to continue to participate in the first Offering
Period pursuant to Section 3(a) only if such individual submits a subscription agreement authorizing Contributions in a form determined by the Administrator (which may be similar to the form attached hereto as Exhibit A) to the
Company’s stock administration office (i) no earlier than the effective date of the Form S-8 registration statement with respect to the issuance of Common Stock under this Plan and (ii) no later
than ten (10) business days following the effective date of such Form S-8 registration statement or such other date as the Administrator may determine (the “Enrollment Window”). An Eligible
Employee’s failure to submit the subscription agreement during the Enrollment Window will result in the automatic termination of such individual’s participation in the first Offering Period. 

(b)    Subsequent Offering Periods. An Eligible Employee may participate in the Plan pursuant to Section 3(b)
by (i) submitting to the Company’s stock administration office (or its designee) a properly completed subscription agreement authorizing Contributions in the form provided by the Administrator for such purpose or (ii) following an
electronic or other enrollment procedure determined by the Administrator, in either case on or before a date determined by the Administrator prior to an applicable Enrollment Date.  

  
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 6.    Contributions. 

(a)    At the time a Participant enrolls in the Plan pursuant to Section 5, he or she will elect to have Contributions
(in the form of payroll deductions or otherwise, to the extent permitted by the Administrator) made on each pay day during the Offering Period in an amount not exceeding fifteen percent (15%) of the Compensation that he or she receives on the
pay day (for illustrative purposes, should a pay day occur on an Exercise Date, a Participant will have any Contributions made on such day applied to his or her account under the then-current Purchase Period or Offering Period). The Administrator,
in its sole discretion, may permit all Participants in a specified Offering to contribute amounts to the Plan through payment by cash, check or other means set forth in the subscription agreement prior to each Exercise Date of each Purchase Period.
A Participant’s subscription agreement will remain in effect for successive Offering Periods unless terminated as provided in Section 10 hereof. 

(b)    In the event Contributions are made in the form of payroll deductions, such payroll deductions for a Participant
will commence on the first pay day following the Enrollment Date and will end on the last pay day on or prior to the last Exercise Date of such Offering Period to which such authorization is applicable, unless sooner terminated by the Participant as
provided in Section 10 hereof; provided, however, that for the first Offering Period, payroll deductions will commence on the first pay day on or following the end of the Enrollment Window. 

(c)    All Contributions made for a Participant will be credited to his or her account under the Plan and Contributions
will be made in whole percentages of his or her Compensation only. A Participant may not make any additional payments into such account. 

(d)    A Participant may discontinue his or her participation in the Plan as provided under Section 10. Unless
otherwise determined by the Administrator, during a Purchase Period, a Participant may not increase the rate of his or her Contributions and may only decrease the rate of his or her Contributions up to two times during a Purchase Period. For this
purpose, if the initial decrease in the Contribution rate is to zero percent (0%) then then the Participant may not make any additional changes to his or her Contribution rate for the remainder of the Purchase Period. If the initial decrease is to
an amount above zero percent then any subsequent decrease to the Participant’s Contribution rate during that Purchase Period must be to zero percent (0%). Any such decrease during a Purchase Period requires the Participant (i) properly
completing and submitting to the Company’s stock administration office (or its designee) a new subscription agreement authorizing the change in Contribution rate in the form provided by the Administrator for such purpose or (ii) following
an electronic or other procedure prescribed by the Administrator, in either case on or before a date determined by the Administrator prior to an applicable Exercise Date. If a Participant has not followed such procedures to change the rate of
Contributions, the rate of his or her Contributions will continue at the originally elected rate throughout the Purchase Period and future Offering Periods and Purchase Periods (unless the Participant’s participation is terminated as provided
in Sections 10 or 11). The Administrator may, in its sole discretion, amend the nature and/or number of Contribution rate changes that may be made by Participants during any Offering Period or Purchase Period and may establish other conditions or
limitations as it deems appropriate for Plan administration. Any change in the rate of Contributions made pursuant to this Section 6(d) will be effective 

  
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as of the first (1st) full payroll period following five (5) business days after the date on which the change is made by the Participant
(unless the Administrator, in its sole discretion, elects to process a given change in payroll deduction rate earlier). 

(e)    Notwithstanding the foregoing, to the extent necessary to comply with Section 423(b)(8) of the Code and
Section 3(d), a Participant’s Contributions may be decreased to zero percent (0%) at any time during a Purchase Period. Subject to Section 423(b)(8) of the Code and Section 3(d) hereof, Contributions will recommence at the rate
originally elected by the Participant effective as of the beginning of the first Purchase Period scheduled to end in the following calendar year, unless terminated by the Participant as provided in Section 10. 

(f)    Notwithstanding any provisions to the contrary in the Plan, the Administrator may allow Participants to participate
in the Plan via cash contributions instead of payroll deductions if (i) payroll deductions are not permitted under Applicable Laws, (ii) the Administrator determines that cash contributions are permissible under Section 423 of the
Code; or (iii) the Participants are participating in the Non-423 Component. 

(g)    At the time the option is exercised, in whole or in part, or at the time some or all of the Common Stock issued
under the Plan is disposed of (or any other time that a taxable event related to the Plan occurs), the Participant must make adequate provision for the Company’s or Employer’s federal, state, local or any other tax liability payable to any
authority including taxes imposed by jurisdictions outside of the U.S., national insurance, social security or other tax withholding obligations, if any, which arise upon the exercise of the option or the disposition of the Common Stock (or any
other time that a taxable event related to the Plan occurs). At any time, the Company or the Employer may, but will not be obligated to, withhold from the Participant’s compensation the amount necessary for the Company or the Employer to meet
applicable withholding obligations, including any withholding required to make available to the Company or the Employer any tax deductions or benefits attributable to sale or early disposition of Common Stock by the Eligible Employee. In addition,
the Company or the Employer may, but will not be obligated to, withhold from the proceeds of the sale of Common Stock or any other method of withholding the Company or the Employer deems appropriate to the extent permitted by U.S. Treasury
Regulation Section 1.423-2(f). 
 7.    Grant of Option. On the
Enrollment Date of each Offering Period, each Eligible Employee participating in such Offering Period will be granted an option to purchase on each Exercise Date during such Offering Period (at the applicable Purchase Price) up to a number of shares
of Common Stock determined by dividing such Eligible Employee’s Contributions accumulated prior to such Exercise Date and retained in the Eligible Employee’s account as of the Exercise Date by the applicable Purchase Price; provided that
in no event will an Eligible Employee be permitted to purchase during each Purchase Period more than 5,000 shares of Common Stock (subject to any adjustment pursuant to Section 19) and provided further that such purchase will be subject to the
limitations set forth in Sections 3(d) and 13 and in the subscription agreement. The Eligible Employee may accept the grant of such option (i) with respect to the first Offering Period by submitting a properly completed subscription agreement
in accordance with the requirements of Section 5 on or before the last day of the Enrollment Window, and (ii) with respect to any subsequent Offering Period under the Plan, by electing to participate in the Plan in accordance with the
requirements of 

  
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Section 5. The Administrator may, for future Offering Periods, increase or decrease, in its absolute discretion, the maximum number of shares of Common Stock that an Eligible Employee may
purchase during each Purchase Period. Exercise of the option will occur as provided in Section 8, unless the Participant has withdrawn pursuant to Section 10. The option will expire on the last day of the Offering Period. 

8.    Exercise of Option. 

(a)    Unless a Participant withdraws from the Plan as provided in Section 10, his or her option for the purchase of
shares of Common Stock will be exercised automatically on each Exercise Date, and the maximum number of full shares subject to the option will be purchased for such Participant at the applicable Purchase Price with the accumulated Contributions from
his or her account. No fractional shares of Common Stock will be purchased; any Contributions accumulated in a Participant’s account, which are not sufficient to purchase a full share will be retained in the Participant’s account for the
subsequent Purchase Period or Offering Period, as applicable, subject to earlier withdrawal by the Participant as provided in Section 10. Any other funds left over in a Participant’s account after the Exercise Date will be returned to the
Participant. During a Participant’s lifetime, a Participant’s option to purchase shares hereunder is exercisable only by him or her. 

(b)    If the Administrator determines that, on a given Exercise Date, the number of shares of Common Stock with respect
to which options are to be exercised may exceed (i) the number of shares of Common Stock that were available for sale under the Plan on the Enrollment Date of the applicable Offering Period, or (ii) the number of shares of Common Stock
available for sale under the Plan on such Exercise Date, the Administrator may in its sole discretion (x) provide that the Company will make a pro rata allocation of the shares of Common Stock available for purchase on such Enrollment Date or
Exercise Date, as applicable, in as uniform a manner as will be practicable and as it will determine in its sole discretion to be equitable among all Participants exercising options to purchase Common Stock on such Exercise Date, and continue all
Offering Periods then in effect or (y) provide that the Company will make a pro rata allocation of the shares of Common Stock available for purchase on such Enrollment Date or Exercise Date, as applicable, in as uniform a manner as will be
practicable and as it will determine in its sole discretion to be equitable among all participants exercising options to purchase Common Stock on such Exercise Date, and terminate any or all Offering Periods then in effect pursuant to
Section 20. The Company may make a pro rata allocation of the shares available on the Enrollment Date of any applicable Offering Period pursuant to the preceding sentence, notwithstanding any authorization of additional shares for issuance
under the Plan by the Company’s stockholders subsequent to such Enrollment Date. 
 9.    Delivery. As soon
as reasonably practicable after each Exercise Date on which a purchase of shares of Common Stock occurs, the Company will arrange the delivery to each Participant of the shares purchased upon exercise of his or her option in a form determined by the
Administrator (in its sole discretion) and pursuant to rules established by the Administrator. The Company may permit or require that shares be deposited directly with a broker designated by the Company or to a designated agent of the Company, and
the Company may utilize electronic or automated methods of share transfer. The Company may require that shares be retained with such broker or agent for a designated period of time and/or may 

  
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establish other procedures to permit tracking of disqualifying dispositions of such shares. No Participant will have any voting, dividend, or other stockholder rights with respect to shares of
Common Stock subject to any option granted under the Plan until such shares have been purchased and delivered to the Participant as provided in this Section 9. 

10.    Withdrawal. 

(a)    A Participant may withdraw all but not less than all the Contributions credited to his or her account and not yet
used to exercise his or her option under the Plan at any time by (i) submitting to the Company’s stock administration office (or its designee) a written notice of withdrawal in the form determined by the Administrator for such purpose
(which may be similar to the form attached hereto as Exhibit B), or (ii) following an electronic or other withdrawal procedure determined by the Administrator. The Administrator may set forth a deadline of when a withdrawal must occur to
be effective prior to a given Exercise Date in accordance with policies it may approve from time to time. All of the Participant’s Contributions credited to his or her account will be paid to such Participant promptly after receipt of notice of
withdrawal and such Participant’s option for the Offering Period will be automatically terminated, and no further Contributions for the purchase of shares will be made for such Offering Period. If a Participant withdraws from an Offering
Period, Contributions will not resume at the beginning of the succeeding Offering Period, unless the Participant re-enrolls in the Plan in accordance with the provisions of Section 5. 

(b)    A Participant’s withdrawal from an Offering Period will not have any effect on his or her eligibility to
participate in any similar plan that may hereafter be adopted by the Company or in succeeding Offering Periods that commence after the termination of the Offering Period from which the Participant withdraws. 

11.    Termination of Employment. Upon a Participant’s ceasing to be an Eligible Employee, for any reason, he
or she will be deemed to have elected to withdraw from the Plan and the Contributions credited to such Participant’s account during the Offering Period but not yet used to purchase shares of Common Stock under the Plan will be returned to such
Participant or, in the case of his or her death, to the person or persons entitled thereto under Section 15, and such Participant’s option will be automatically terminated. Unless otherwise provided by the Administrator, a Participant
whose employment transfers between entities through a termination with an immediate rehire (with no break in service) by the Company or a Designated Company will not be treated as terminated under the Plan; however, if a Participant transfers from
an Offering under the 423 Component to the Non-423 Component, the exercise of the option will be qualified under the 423 Component only to the extent it complies with Section 423 of the Code, unless
otherwise provided by the Administrator. 
 12.    Interest. No interest will accrue on the Contributions of a
participant in the Plan, except as may be required by Applicable Law, as determined by the Company, and if so required by the laws of a particular jurisdiction, will apply to all Participants in the relevant Offering under the 423 Component, except
to the extent otherwise permitted by U.S. Treasury Regulation Section 1.423-2(f). 

13.    Stock. 

  
 - 11 - 

 (a)    Subject to adjustment upon changes in capitalization of the
Company as provided in Section 19 hereof, the maximum number of shares of Common Stock that will be made available for sale under the Plan will be 296,752 shares of Common Stock. The number of shares of Common Stock available for issuance under
the Plan will be increased on the first day of each Fiscal Year beginning with the 2019 Fiscal Year equal to the least of (i) 296,752 shares of Common Stock, (ii) one and one quarter percent (1.25%) of the outstanding shares of Common
Stock on the last day of the immediately preceding Fiscal Year, or (iii) an amount determined by the Administrator no later than the last day of the immediately preceding Fiscal Year. 

(b)    Until the shares of Common Stock are issued (as evidenced by the appropriate entry on the books of the Company or
of a duly authorized transfer agent of the Company), a Participant will have only the rights of an unsecured creditor with respect to such shares, and no right to vote or receive dividends or any other rights as a stockholder will exist with respect
to such shares. 
 (c)    Shares of Common Stock to be delivered to a Participant under the Plan will be registered in
the name of the Participant or in the name of the Participant and his or her spouse. 
 14.    Administration.
The Plan will be administered by the Board or a Committee appointed by the Board, which Committee will be constituted to comply with Applicable Laws. The Administrator will have full and exclusive discretionary authority to construe, interpret and
apply the terms of the Plan, to delegate ministerial duties to any of the Company’s employees, to designate separate Offerings under the Plan, to designate Subsidiaries and Affiliates as participating in the 423 Component or Non-423 Component, to determine eligibility, to adjudicate all disputed claims filed under the Plan and to establish such procedures that it deems necessary for the administration of the Plan (including, without
limitation, to adopt such procedures and sub-plans as are necessary or appropriate to permit the participation in the Plan by employees who are foreign nationals or employed outside the U.S., the terms of
which sub-plans may take precedence over other provisions of this Plan, with the exception of Section 13(a) hereof, but unless otherwise superseded by the terms of such
sub-plan, the provisions of this Plan will govern the operation of such sub-plan). Unless otherwise determined by the Administrator, the Eligible Employees eligible to
participate in each sub-plan will participate in a separate Offering or in the Non-423 Component. Without limiting the generality of the foregoing, the Administrator is
specifically authorized to adopt rules and procedures regarding eligibility to participate, the definition of Compensation, handling of Contributions, making of Contributions to the Plan (including, without limitation, in forms other than payroll
deductions), establishment of bank or trust accounts to hold Contributions, payment of interest, conversion of local currency, obligations to pay payroll tax, determination of beneficiary designation requirements, withholding procedures and handling
of stock certificates that vary with applicable local requirements. The Administrator also is authorized to determine that, to the extent permitted by U.S. Treasury Regulation Section 1.423-2(f), the
terms of an option granted under the Plan or an Offering to citizens or residents of a non-U.S. jurisdiction will be less favorable than the terms of options granted under the Plan or the same Offering to
employees resident solely in the U.S. Every finding, decision, and determination made by the Administrator will, to the full extent permitted by law, be final and binding upon all parties. 

  
 - 12 - 

 15.    Designation of Beneficiary. 

(a)    If permitted by the Administrator, a Participant may file a designation of a beneficiary who is to receive any
shares of Common Stock and cash, if any, from the Participant’s account under the Plan in the event of such Participant’s death subsequent to an Exercise Date on which the option is exercised but prior to delivery to such Participant of
such shares and cash. In addition, if permitted by the Administrator, a Participant may file a designation of a beneficiary who is to receive any cash from the Participant’s account under the Plan in the event of such Participant’s death
prior to exercise of the option. If a Participant is married and the designated beneficiary is not the spouse, spousal consent will be required for such designation to be effective. 

(b)    Such designation of beneficiary may be changed by the Participant at any time by notice in a form determined by the
Administrator. In the event of the death of a Participant and in the absence of a beneficiary validly designated under the Plan who is living at the time of such Participant’s death, the Company will deliver such shares and/or cash to the
executor or administrator of the estate of the Participant, or if no such executor or administrator has been appointed (to the knowledge of the Company), the Company, in its discretion, may deliver such shares and/or cash to the spouse or to any one
or more dependents or relatives of the Participant, or if no spouse, dependent or relative is known to the Company, then to such other person as the Company may designate. 

(c)    All beneficiary designations will be in such form and manner as the Administrator may designate from time to time.
Notwithstanding Sections 15(a) and (b) above, the Company and/or the Administrator may decide not to permit such designations by Participants in non-U.S. jurisdictions to the extent permitted by U.S.
Treasury Regulation Section 1.423-2(f). 
 16.    Transferability.
Neither Contributions credited to a Participant’s account nor any rights with regard to the exercise of an option or to receive shares of Common Stock under the Plan may be assigned, transferred, pledged or otherwise disposed of in any way
(other than by will, the laws of descent and distribution or as provided in Section 15 hereof) by the Participant. Any such attempt at assignment, transfer, pledge or other disposition will be without effect, except that the Company may treat
such act as an election to withdraw funds from an Offering Period in accordance with Section 10 hereof. 

17.    Use of Funds. The Company may use all Contributions received or held by it under the Plan for any corporate
purpose, and the Company will not be obligated to segregate such Contributions except under Offerings or for Participants in the Non-423 Component for which Applicable Laws require that Contributions to the
Plan by Participants be segregated from the Company’s general corporate funds and/or deposited with an independent third party. Until shares of Common Stock are issued, Participants will have only the rights of an unsecured creditor with
respect to such shares. 
 18.    Reports. Individual accounts will be maintained for each Participant in the
Plan. Statements of account will be given to participating Eligible Employees at least annually, which statements will set forth the amounts of Contributions, the Purchase Price, the number of shares of Common Stock purchased and the remaining cash
balance, if any. 

  
 - 13 - 

 19.    Adjustments, Dissolution, Liquidation, Merger, or Change in
Control. 
 (a)    Adjustments. In the event that any dividend or other distribution (whether in the form of
cash, Common Stock, other securities, or other property), recapitalization, stock split, reverse stock split, reorganization, merger, consolidation, split-up, spin-off,
combination, repurchase, or exchange of Common Stock or other securities of the Company, or other change in the corporate structure of the Company affecting the Common Stock occurs, the Administrator, in order to prevent dilution or enlargement of
the benefits or potential benefits intended to be made available under the Plan, will, in such manner as it may deem equitable, adjust the number and class of Common Stock that may be delivered under the Plan, the Purchase Price per share, the
class, and the number of shares of Common Stock covered by each option under the Plan that has not yet been exercised, and the numerical limits of Sections 7 and 13. 

(b)    Dissolution or Liquidation. In the event of the proposed dissolution or liquidation of the Company, any
Offering Period then in progress will be shortened by setting a New Exercise Date, and will terminate immediately prior to the consummation of such proposed dissolution or liquidation, unless provided otherwise by the Administrator. The New Exercise
Date will be before the date of the Company’s proposed dissolution or liquidation. The Administrator will notify each Participant in writing or electronically, prior to the New Exercise Date, that the Exercise Date for the Participant’s
option has been changed to the New Exercise Date and that the Participant’s option will be exercised automatically on the New Exercise Date, unless prior to such date the Participant has withdrawn from the Offering Period as provided in
Section 10 hereof. 
 (c)    Merger or Change in Control. In the event of a merger or Change in Control,
each outstanding option will be assumed or an equivalent option substituted by the successor corporation or a Parent or Subsidiary of the successor corporation. In the event that the successor corporation refuses to assume or substitute for the
option, the Offering Period with respect to which such option relates will be shortened by setting a New Exercise Date on which such Offering Period will end. The New Exercise Date will occur before the date of the Company’s proposed merger or
Change in Control. The Administrator will notify each Participant in writing or electronically prior to the New Exercise Date, that the Exercise Date for the Participant’s option has been changed to the New Exercise Date and that the
Participant’s option will be exercised automatically on the New Exercise Date, unless prior to such date the Participant has withdrawn from the Offering Period as provided in Section 10 hereof. 

20.    Amendment or Termination. 

(a)    The Administrator, in its sole discretion, may amend, suspend, or terminate the Plan, or any part thereof, at any
time and for any reason. If the Plan is terminated, the Administrator, in its discretion, may elect to terminate all outstanding Offering Periods either immediately or upon completion of the purchase of shares of Common Stock on the next Exercise
Date (which may be sooner than originally scheduled, if determined by the Administrator in its discretion), or may elect to permit Offering Periods to expire in accordance with their terms (and subject to any adjustment pursuant to Section 19).
If the Offering Periods are terminated prior to expiration, all amounts then credited to Participants’ accounts that 

  
 - 14 - 

 
have not been used to purchase shares of Common Stock will be returned to the Participants (without interest thereon, except as otherwise required under Applicable Laws, as further set forth in
Section 12 hereof) as soon as administratively practicable. 
 (b)    Without stockholder consent and without
limiting Section 20(a), the Administrator will be entitled to change the Offering Periods or Purchase Periods, designate separate Offerings, limit the frequency and/or number of changes in the amount withheld during an Offering Period,
establish the exchange ratio applicable to amounts withheld in a currency other than U.S. dollars, permit Contributions in excess of the amount designated by a Participant in order to adjust for delays or mistakes in the Company’s processing of
properly completed Contribution elections, establish reasonable waiting and adjustment periods and/or accounting and crediting procedures to ensure that amounts applied toward the purchase of Common Stock for each Participant properly correspond
with Contribution amounts, and establish such other limitations or procedures as the Administrator determines in its sole discretion advisable that are consistent with the Plan. 

(c)    In the event the Administrator determines that the ongoing operation of the Plan may result in unfavorable
financial accounting consequences, the Administrator may, in its discretion and, to the extent necessary or desirable, modify, amend or terminate the Plan to reduce or eliminate such accounting consequence including, but not limited to: 

(i)    amending the Plan to conform with the safe harbor definition under the Financial Accounting Standards Board
Accounting Standards Codification Topic 718 (or any successor thereto), including with respect to an Offering Period underway at the time; 

(ii)    altering the Purchase Price for any Offering Period or Purchase Period including an Offering Period or Purchase
Period underway at the time of the change in Purchase Price; 
 (iii)    shortening any Offering Period or Purchase
Period by setting a New Exercise Date, including an Offering Period or Purchase Period underway at the time of the Administrator action; 

(iv)    reducing the maximum percentage of Compensation a Participant may elect to set aside as Contributions; and 

(v)    reducing the maximum number of shares of Common Stock a Participant may purchase during any Offering Period or
Purchase Period. 
 Such modifications or amendments will not require stockholder approval or the consent of any Participants. 

21.    Notices. All notices or other communications by a Participant to the Company under or in connection with the
Plan will be deemed to have been duly given when received in the form and manner specified by the Company at the location, or by the person, designated by the Company for the receipt thereof. 

22.    Conditions Upon Issuance of Shares. Shares of Common Stock will not be issued with respect to an option
unless the exercise of such option and the issuance and delivery of such shares 

  
 - 15 - 

 
pursuant thereto will comply with all applicable provisions of law, domestic or foreign, including, without limitation, the U.S. Securities Act of 1933, as amended, the Exchange Act, the rules
and regulations promulgated thereunder, and the requirements of any stock exchange upon which the shares may then be listed, and will be further subject to the approval of counsel for the Company with respect to such compliance. 

As a condition to the exercise of an option, the Company may require the person exercising such option to represent and warrant at the time of
any such exercise that the shares are being purchased only for investment and without any present intention to sell or distribute such shares if, in the opinion of counsel for the Company, such a representation is required by any of the
aforementioned applicable provisions of law. 
 23.    Code Section 409A. The 423 Component of
the Plan is exempt from the application of Code Section 409A and any ambiguities herein will be interpreted to so be exempt from Code Section 409A. In furtherance of the foregoing and notwithstanding any provision in the Plan to the
contrary, if the Administrator determines that an option granted under the Plan may be subject to Code Section 409A or that any provision in the Plan would cause an option under the Plan to be subject to Code Section 409A, the
Administrator may amend the terms of the Plan and/or of an outstanding option granted under the Plan, or take such other action the Administrator determines is necessary or appropriate, in each case, without the Participant’s consent, to exempt
any outstanding option or future option that may be granted under the Plan from or to allow any such options to comply with Code Section 409A, but only to the extent any such amendments or action by the Administrator would not violate Code
Section 409A. Notwithstanding the foregoing, the Company, and any Parent, Subsidiary or Affiliate will have no liability to a Participant or any other party if the option to purchase Common Stock under the Plan that is intended to be exempt
from or compliant with Code Section 409A is not so exempt or compliant or for any action taken by the Administrator with respect thereto. The Company makes no representation that the option to purchase Common Stock under the Plan is compliant
with Code Section 409A. 
 24.    Term of Plan. The Plan will become effective upon the later to occur of
(i) its adoption by the Board or (ii) the business day immediately prior to the Registration Date. It will continue in effect for a term of twenty (20) years, unless sooner terminated under Section 20. 

25.    Stockholder Approval. The Plan will be subject to approval by the stockholders of the Company within twelve
(12) months after the date the Plan is adopted by the Board. Such stockholder approval will be obtained in the manner and to the degree required under Applicable Laws. 

26.    Governing Law. The Plan will be governed by, and construed in accordance with, the laws of the State of
California (except its choice-of-law provisions). 

27.    No Right to Employment. Participation in the Plan by a Participant will not be construed as giving a
Participant the right to be retained as an employee of the Company or a Subsidiary or Affiliate, as applicable. Further, the Company or a Subsidiary or Affiliate may dismiss a Participant from employment at any time, free from any liability or any
claim under the Plan. 

  
 - 16 - 

 28.    Severability. If any provision of the Plan is or becomes
or is deemed to be invalid, illegal, or unenforceable for any reason in any jurisdiction or as to any Participant, such invalidity, illegality or unenforceability will not affect the remaining parts of the Plan, and the Plan will be construed and
enforced as to such jurisdiction or Participant as if the invalid, illegal or unenforceable provision had not been included. 

29.    Compliance with Applicable Laws. The terms of this Plan are intended to comply with all Applicable Laws and will be
construed accordingly. 

  
 - 17 - 

 EXHIBIT A 

RA MEDICAL SYSTEMS, INC. 

2018 EMPLOYEE STOCK PURCHASE PLAN 

SUBSCRIPTION AGREEMENT 
  

			
	     Original Application
	  	Offering Date:                    
		
	     Change in Payroll Deduction Rate
	  	

1.                       
  (“Employee”) hereby elects to participate in the Ra Medical Systems, Inc. 2018 Employee Stock Purchase Plan (the “Plan”) and subscribes to purchase shares of the Company’s Common Stock in accordance with this
Subscription Agreement and the Plan. Unless otherwise defined herein, the terms defined in the 2018 Employee Stock Purchase Plan (the “Plan”) shall have the same defined meanings in this Subscription Agreement. 

2.    Employee hereby authorizes payroll deductions from each paycheck in the amount of     % (from 0
to fifteen percent (15%)) of his or her Compensation on each payday during the Offering Period in accordance with the Plan. (Please note that no fractional percentages are permitted.) 

3.    Employee understands that said payroll deductions will be accumulated for the purchase of shares of Common Stock at
the applicable Purchase Price determined in accordance with the Plan. Employee understands that if he or she does not withdraw from an Offering Period, any accumulated payroll deductions will be used to automatically exercise his or her option and
purchase Common Stock under the Plan. 
 4.    Employee has received a copy of the complete Plan and its accompanying
prospectus. Employee understands that his or her participation in the Plan is in all respects subject to the terms of the Plan. 

5.    Shares of Common Stock purchased by Employee under the Plan should be issued in the name(s) of
                     (Employee or Employee and Spouse only). 

6.    Employee understands that if he or she disposes of any shares that he or she purchased under the Plan within
two (2) years after the Enrollment Date (the first day of the Offering Period during which he or she purchased such shares) or one (1) year after the applicable Exercise Date, he or she will be treated for federal income tax purposes as
having received ordinary income at the time of such disposition in an amount equal to the excess of the fair market value of the shares at the time such shares were purchased over the price paid for the shares. Employee hereby agrees to notify
the Company in writing within thirty (30) days after the date of any disposition of such shares and to make adequate provision for federal, state or other tax withholding obligations, if any, that arise upon the disposition of
such shares. The Company may, but will not be obligated to, withhold from Employee’s compensation the amount necessary 

  
 - 18 - 

 
to meet any applicable withholding obligation including any withholding necessary to make available to the Company any tax deductions or benefits attributable to Employee’s sale or early
disposition of such shares. Employee understands that if he or she disposes of such shares at any time after the expiration of the two (2)-year and one-(1) year holding periods, he or she will be
treated for federal income tax purposes as having received income only at the time of such disposition, and that such income will be taxed as ordinary income only to the extent of an amount equal to the lesser of (i) the excess of the fair
market value of the shares at the time of such disposition over the purchase price paid for the shares, or (ii) fifteen percent (15%) of the fair market value of the shares on the first day of the Offering Period. The remainder of the gain, if
any, recognized on such disposition will be taxed as capital gain. 
 7.    Employee hereby agrees to be bound by the
terms of the Plan. The effectiveness of this Subscription Agreement is dependent upon Employee’s eligibility to participate in the Plan. 
  

					
	Employee’s Social	 		 	
			
	Security Number:	 		 	  

			
	Employee’s Address:	 		 	  

			
		 		 	  

			
		 		 	  

 EMPLOYEE UNDERSTANDS THAT THIS SUBSCRIPTION AGREEMENT WILL REMAIN IN EFFECT THROUGHOUT SUCCESSIVE OFFERING PERIODS UNLESS
TERMINATED BY EMPLOYEE. 
  

					
	Dated:                                     
                                         
                           	 		 	  

		 		 	Signature of Employee

  
 - 19 - 

 EXHIBIT B 

RA MEDICAL SYSTEMS, INC. 

2018 EMPLOYEE STOCK PURCHASE PLAN 

NOTICE OF WITHDRAWAL 
 Unless otherwise
defined herein, the terms defined in the 2018 Employee Stock Purchase Plan (the “Plan”) shall have the same defined meanings in this Notice of Withdrawal. 

The undersigned Participant in the Offering Period of the Ra Medical Systems, Inc. 2018 Employee Stock Purchase Plan that began on
            ,          (the “Offering Date”) hereby notifies the Company that he or she hereby withdraws from the Offering Period. He or
she hereby directs the Company to pay to the undersigned as promptly as practicable all the payroll deductions credited to his or her account with respect to such Offering Period. The undersigned understands and agrees that his or her option for
such Offering Period will be terminated automatically. The undersigned understands further that no further payroll deductions will be made for the purchase of shares in the current Offering Period and the undersigned will be eligible to participate
in succeeding Offering Periods only by delivering to the Company a new Subscription Agreement. 
  

	
	Name and Address of Participant:
	
	  

	
	  

	
	  

	
	Signature:
	
	  

	
	Date:                                     
                                         
               

  
 - 20 -EX-10.14

 Exhibit 10.14 

September 12, 2018 
 Jeffrey Kraws 

c/o Ra Medical Systems, Inc. 
 2070 Las Palmas Drive 

Carlsbad, CA 92011 
 Re: Confirmatory Employment Letter

 Dear Jeffrey: 
 This letter agreement
(the “Agreement”) is entered into between Jeffrey Kraws (“you”) and Ra Medical Systems, Inc. (the “Company” or “we”), effective as of the closing of an initial public offering of the Company’s securities
pursuant to a registration statement on Form S-1 that is declared effective with the U.S. Securities and Exchange Commission (the “Effective Date”), to confirm the terms and conditions of your
employment with the Company as of the Effective Date. This Agreement supersedes and replaces any and all employment terms, compensation, or benefits you may have had or to which you may have been entitled prior to the Effective Date. 

 

	1.	 Title; Position. You will continue to serve as the Company’s
Co-President. You also will continue to report to the Company’s Chief Executive Officer and will perform the duties and responsibilities customary for such position and such other related duties as are
lawfully assigned by the Company’s Chief Executive Officer. While you render services to the Company, you will not engage in any other employment, consulting or other business activity (whether full-time or part-time) that would create a
conflict of interest with the Company; provided that the Company acknowledges that there are certain Permitted Activities (as defined in the Confidentiality Agreement (as defined below)) that do not create such a conflict of interest. You may engage
in civic and not-for-profit activities as long as such activities do not interfere with the performance of your duties under this Agreement. By signing this Agreement,
you confirm that you have no contractual commitments or other legal obligations that would prohibit you from performing your duties for the Company. 

  

	2.	 Base Salary. As of the Effective Date, your annual base salary will be $337,000, which will be payable,
less any applicable withholdings, in accordance with the Company’s normal payroll practices. Your annual base salary will be subject to review and adjustment from time to time by our Board or its Compensation Committee (the
“Committee”), as applicable, in its sole discretion. 

  

	3.	 Annual Bonus. For the Company’s 2018 fiscal year, you will have the opportunity to earn a target
annual cash bonus equal to 50% of your annual base salary earned during the fiscal year, based on achieving performance objectives established by the Board or Committee, as applicable, in its sole discretion and payable upon achievement of those
objectives as 

	 	
determined by the Committee. Unless determined otherwise by the Board or Committee, as applicable, any such bonus will be subject to your continued employment through and until the date of
payment. Your annual bonus opportunity and the applicable terms and conditions may be adjusted from time to time by our Board or the Committee, as applicable, in its sole discretion. 

 

	4.	Equity Awards. You will be eligible to receive awards of stock options, restricted stock units or other equity awards pursuant to any plans or arrangements the Company may have in effect from time to time. The
Board or Committee, as applicable, will determine in its sole discretion whether you will be granted any such equity awards and the terms of any such equity awards in accordance with the terms of any applicable plan or arrangement that may be in
effect from time to time. 

  

	5.	Employee Benefits. You will continue to be eligible to participate in the benefit plans and programs established by the Company for its employees from time to time, subject to their applicable terms and
conditions, including without limitation any eligibility requirements. The Company reserves the right to modify, amend, suspend or terminate the benefit plans and programs it offers to its employees at any time. 

 

	6.	Severance. You will be eligible to enter into a Change in Control and Severance Agreement (the “Severance Agreement”) applicable to you based on your position within the Company. The Severance Agreement
will specify the severance payments and benefits you may become entitled to receive in connection with certain qualifying terminations of your employment with the Company. These protections will supersede all other severance payments and benefits to
which you otherwise may be entitled, or may become entitled in the future, under any plan, program or policy that the Company may have in effect from time to time. For purposes of clarification, any severance plans, programs, agreements or
arrangements that may have applied to you before the Effective Date no longer will apply and you no longer will have any rights or entitlements under any such plans, programs, agreements or arrangements. 

 

	7.	Confidentiality Agreement. As an employee of the Company, you will continue to have access to certain confidential information of the Company and you may, during the course of your employment, develop certain
information or inventions that will be the property of the Company. To protect the interests of the Company, your acceptance of this Agreement confirms that the terms of the Company’s At-Will Employment,
Confidential Information, Invention Assignment, Nonsolicitation, and Arbitration Agreement you previously signed with the Company (the “Confidentiality Agreement”) still apply. 

 

	8.	At-Will Employment. This Agreement does not imply any right to your continued employment for any period with the Company or any of its affiliates. Your employment with the
Company will continue to be “at will.” It is for no specified term, and may be terminated by you or the Company at any time, with or without cause or advance notice. 

  
 -2- 

	9.	Protected Activity Not Prohibited. Nothing in this Agreement or in any other agreement between you and the Company, as applicable, will in any way limit or prohibit you from engaging for a lawful purpose in any
Protected Activity. For purposes of this Agreement, “Protected Activity” means filing a charge, complaint, or report with, or otherwise communicating, cooperating, or participating in any investigation or proceeding that may be conducted
by, any state, federal, or local governmental agency or commission, including the U.S. Securities and Exchange Commission, the Equal Employment Opportunity Commission, the Occupational Safety and Health Administration, and the National Labor
Relations Board (the “Government Agencies”). You understand that in connection with such Protected Activity, you are permitted to disclose documents or other information as permitted by law, and without giving notice to, or receiving
authorization from, the Company. Notwithstanding the foregoing, you agree to take all reasonable precautions to prevent any unauthorized use or disclosure of any information that may constitute Company confidential information under the
Confidentiality Agreement to any parties other than the Government Agencies. You further understand that “Protected Activity” does not include the disclosure of any Company attorney-client privileged communications. Any language in the
Confidentiality Agreement regarding your right to engage in Protected Activity that conflicts with, or is contrary to, this paragraph is superseded by this Agreement. In addition, pursuant to the Defend Trade Secrets Act of 2016, you are notified
that an individual will not be held criminally or civilly liable under any federal or state trade secret law for the disclosure of a trade secret that (i) is made in confidence to a federal, state, or local government official (directly or
indirectly) or to an attorney solely for the purpose of reporting or investigating a suspected violation of law, or (ii) is made in a complaint or other document filed in a lawsuit or other proceeding, if (and only if) such filing is
made under seal. In addition, an individual who files a lawsuit for retaliation by an employer for reporting a suspected violation of law may disclose the trade secret to the individual’s attorney and use the trade secret information in the
court proceeding, if the individual files any document containing the trade secret under seal and does not disclose the trade secret, except pursuant to court order. 

 

	10.	Miscellaneous. This Agreement, together with the Confidentiality Agreement, the Severance Agreement and any outstanding equity awards granted to you by the Company under its 2018 Stock Compensation Plan and the
applicable award agreements thereunder, constitute the entire agreement between you and the Company regarding the material terms and conditions of your employment, and they supersede and replace all prior negotiations, representations or agreements
between you and the Company. This Agreement may be modified only by a written agreement signed by you and a duly authorized officer of the Company. 

  
 -3- 

 To confirm the current terms and conditions of your employment, please sign and date in the
spaces indicated and return this Agreement to me. 
  

			
	Sincerely,
	
	Ra Medical Systems, Inc.
		
	By:	 	/s/ Dean Irwin
		 	Dean Irwin
		 	Chief Executive Officer

  

			
	Agreed to and accepted:
	
	/s/ Jeffrey Kraws
	Jeffrey Kraws

 Dated: September 12, 2018 

  
 -4-

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