Exhibit 99.15

Execution Version

November 14, 2023

Evercore Group L.L.C.

William Blair & Company, L.L.C.

as Representatives of the several
Underwriters to be named in the
within-mentioned Underwriting Agreement

c/o Evercore Group L.L.C.

55 East 52^nd Street
New York, NY 10055

c/o William Blair & Company, L.L.C.

150 North Riverside Plaza

Chicago, Illinois 60606

Re: Proposed Public Offering of Augmedix, Inc. Common Stock

Ladies and Gentlemen:

The undersigned, a stockholder, officer and/or director of Augmedix, Inc., a Delaware corporation (the “Company”), understands that Evercore Group L.L.C. and William Blair & Company, L.L.C., as representatives (the “Representatives”) of the several underwriters (the “Underwriters”) propose to enter into an Underwriting Agreement (the “Underwriting Agreement”) with the Company providing for the public offering (the “Offering”) of shares of the Company’s common stock, par value $0.0001 per share (the “Common Stock”). In recognition of the benefit that such an offering will confer upon the undersigned as a stockholder, officer and/or director of the Company, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the undersigned agrees with each Underwriter to be named in the Underwriting Agreement that, during the period beginning on the date of this lock-up agreement (this “Lock-Up Agreement”) and ending on the date that is nine months from the date of the Underwriting Agreement (the “Lock-Up Period”), the undersigned will not, without the prior written consent of the Representatives, (i) directly or indirectly, offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase or otherwise transfer or dispose of any shares of the Company’s Common Stock or any securities convertible into or exercisable or exchangeable for Common Stock, whether now owned or hereafter acquired by the undersigned or with respect to which the undersigned has or hereafter acquires the power of disposition (collectively, the “Lock-Up Securities”), or make any demand for or exercise any right with respect to the registration of any of the Lock-up Securities, or file, cause to be filed or cause to be confidentially submitted any registration statement in connection therewith, under the Securities Act of 1933, as amended (the “Securities Act”), (ii) enter into any swap or any other agreement or any transaction that transfers, in whole or in part, directly or indirectly, the economic consequence of ownership of the Lock-Up Securities, whether any such swap or transaction is to be settled by delivery of Common Stock or other securities, in cash or otherwise or (iii) publicly announce the intention to do any of the foregoing.

The undersigned agrees that the foregoing restrictions preclude the undersigned from engaging, during the Lock-Up Period, in any hedging or other transaction that is designed to or that reasonably could be expected to lead to or result in a sale or disposition of the Lock-Up Securities, even if such Lock-Up Securities would be disposed of by someone other than the undersigned. Such prohibited hedging or other transactions would include without limitation any short sale or any purchase, sale or grant of any right (including without limitation any put or call option) with respect to any of the Lock-Up Securities or with respect to any security that includes, relates to, or derives any significant part of its value from such Lock-Up Securities.

Notwithstanding the foregoing, and subject to the conditions below, the undersigned may transfer the Lock-Up Securities without the prior written consent of the Representatives, provided that (1) the Representatives receive a signed lock-up agreement for the balance of the lockup period from each donee, trustee, distributee, or transferee, as the case may be, (2) except for transfers made pursuant to clause (iv) below, any such transfer shall not involve a disposition for value, (3) such transfers are not required to be reported with the Securities and Exchange Commission on Form 4 in accordance with Section 16 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and (4) the undersigned does not otherwise voluntarily effect any public filing or report regarding such transfers:

In addition, the foregoing restrictions shall not apply to: (i) (a) the undersigned’s exercise or the vesting of equity-based awards granted pursuant to the Company’s equity incentive plans in place as of the date of this letter; (b) the undersigned’s exercise of warrants to purchase Common Stock in place as of the date of this letter and issued pursuant to previously disclosed private placements; (c) the transfer, sale or other disposition of any shares of Common Stock held by the undersigned or issued upon the exercise of any stock options or warrants or upon the vesting of any other equity-based awards held by the undersigned through the net issuance by the Company of shares of Common Stock, a broker-assisted cashless exercise or otherwise, in each case in order to satisfy any tax obligations due as a result of such exercise or vesting; provided, that (y) in the case of clauses (a) and (b), such restrictions shall apply to any of the Lock-Up Securities issued upon such exercise or vesting and (z) in each case, that if any filing is required under Section 16(a) of the Exchange Act in connection with such exercise, vesting or disposition, such filing shall include a statement to the effect that such filing is the result of the exercise or vesting of equity-based securities pursuant to the Company’s equity incentive plans or pursuant to the exercise of warrants issued pursuant to previously disclosed private placements; (ii) any transaction with respect to shares of Common Stock or other Securities of the Company acquired in market transactions after completion of the Offering; or (iii) the establishment of any contract, instruction or plan (a “Plan”) that satisfies all of the requirements of Rule 10b5-1(c)(1)(i)(B) under the Exchange Act; provided, that no sales of the Lock-Up Securities shall be made pursuant to such a Plan prior to the expiration of the Lock-Up Period, and such a Plan may only be established if no public announcement of the establishment or existence thereof and no filing with the SEC or other regulatory authority in respect thereof or transactions thereunder or contemplated thereby, by the undersigned, the Company or any other person, shall be made by the undersigned, the Company or any other person, prior to the expiration of the Lock-Up Period.

In the event that a waiver or release is granted to any stockholder other than the undersigned relating to the lock-up restrictions set forth above for shares of Common Stock, the same percentage of shares of Common Stock held by the undersigned shall be immediately and fully released (the “Pro-rata Release”) on the same terms from any remaining lock-up restrictions set forth herein. Notwithstanding the foregoing, no waiver or termination will constitute a Pro-rata Release: (a) unless and until the Underwriters have first released or waived such lockup restrictions to any individual party or parties to sell or otherwise transfer or dispose of Common Stock or other securities (whether in one or multiple releases or waivers) representing, in the aggregate, more than one percent (1%) of the Company’s total outstanding shares of Common Stock (calculated on an as-converted, fully-diluted basis and as of the close of business on the date set forth on the final prospectus used to sell Common Stock in the Offering) or (b) if such waiver is effected solely to permit a transfer not involving a disposition for value and the transferee has agreed in writing to sign and deliver a lock-up agreement substantially in the form of this agreement. In the event that the undersigned is released from any of its obligations under this lock-up agreement (pursuant to this paragraph), or by virtue of this agreement (pursuant to this paragraph), becomes entitled to offer, pledge, sell, contract to sell, or otherwise dispose of any Common Stock during the Lock-Up Period, the Underwriters shall provide notification of such to the undersigned at least two business days before the effective date of any such release or waiver.

The undersigned hereby represents and warrants that the undersigned has full power and authority to enter into this Lock-Up Agreement and that upon request, the undersigned will execute any additional documents necessary to ensure the validity or enforcement of this Lock-Up Agreement. All authority herein conferred or agreed to be conferred and any obligations of the undersigned shall be binding upon the successors, assigns, heirs or personal representatives of the undersigned. This Lock-Up Agreement may be delivered via facsimile, electronic mail (including pdf or any electronic signature complying with the U.S. federal ESIGN Act of 2000, e.g., www.docusign.com or www.echosign.com) or other transmission method and any counterpart so delivered shall be deemed to have been duly and validly delivered and be valid and effective for all purposes.

The undersigned understands that the undersigned shall be automatically released from all obligations under this Lock-Up Agreement if (i) the Company notifies the Underwriters in writing that it does not intend to proceed with the Offering, (ii) the Representatives notify the Company in writing that they have determined not to proceed with the Offering, (iii) the Underwriting Agreement (other than the provisions thereof which survive termination) shall terminate or be terminated prior to payment for and delivery of the Common Stock to be sold thereunder or (iv) the Underwriting Agreement does not become effective by December 15, 2023.

The undersigned acknowledges and agrees that the Underwriters have not provided any recommendation or investment advice nor have the Underwriters solicited any action from the undersigned with respect to the offering of securities and the undersigned has consulted their own legal, accounting financial, regulatory, tax and other advisors to the extent deemed appropriate. The undersigned further acknowledges and agrees that, although the Underwriters may provide certain Regulation Best Interest and Form CRS disclosures or other related documentation to you in connection with the Offering, the Underwriters are not making a recommendation to you to participate in the Offering, enter into this agreement, or sell any shares of Common Stock at the price determined in the Offering, and nothing set forth in such disclosures or documentation is intended to suggest that any Underwriter is making such a recommendation

The undersigned also agrees and consents to the entry of stop transfer instructions with the Company’s transfer agent and registrar against the transfer of the Lock-Up Securities except in compliance with the foregoing restrictions.