Form of Company Lock-Up Agreement

Exhibit 10.3

EXECUTION VERSION

LOCK-UP AGREEMENT

THIS LOCK-UP AGREEMENT (this “Agreement”) is dated as of ______________, 2022, by and among the undersigned (the “Holder”), CH AUTO Inc. (“Pubco”) and Mountain Crest Acquisition Corp. IV, a Delaware corporation (“SPAC”). Capitalized terms used and not otherwise defined herein shall have the meanings given such terms in the Merger Agreement (as defined below).

BACKGROUND

A. SPAC, Pubco, CH-AUTO TECHNOLOGY CORPORATION LTD., a company organized under the laws of the People’s Republic of China (the “Company”) and CH-AUTO Merger Sub Corp., a Delaware corporation and a wholly owned subsidiary of Pubco (“Merger Sub”) entered into an Agreement and Plan of Merger, dated as of April 30, 2022 (the “Merger Agreement”).

B. The Merger Agreement provides, among other things, that, Merger Sub will be merged with and into the SPAC (the “Merger”) with the SPAC becoming a wholly owned subsidiary of Pubco and each outstanding share of the common stock, par value $0.0001 per share of SPAC will be exchanged for one ordinary share of Pubco subject to the terms and conditions in the Merger Agreement.

C. The Holder is the record and/or beneficial owner of certain Pubco Ordinary Shares.

D. As a condition of, and as a material inducement for SPAC to enter into and consummate the transactions contemplated by the Merger Agreement, the Holder has agreed to execute and deliver this Agreement.

NOW, THEREFORE, for and in consideration of the mutual covenants and agreements set forth herein, and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties, intending to be legally bound, agree as follows:

AGREEMENT

1. Lock-Up.

(a) During the Lock-up Period (as defined below), the Holder irrevocably agrees that it will not offer, sell, contract to sell, pledge or otherwise dispose of, directly or indirectly, any of the Lock-up Shares (as defined below), enter into a transaction that would have the same effect, or enter into any swap, hedge or other arrangement that transfers, in whole or in part, any of the economic consequences of ownership of such Lock-up Shares, whether any of these transactions are to be settled by delivery of any such Lock-up Shares, in cash or otherwise, publicly disclose the intention to make any offer, sale, pledge or disposition, or to enter into any transaction, swap, hedge or other arrangement, or engage in any Short Sales (as defined below) with respect to any security of Pubco (these actions, collectively, “Transfer”).

(b) In furtherance of the foregoing, Pubco will (i) place an irrevocable stop order on all Lock-up Shares, including those which may be covered by a registration statement, and (ii) notify Pubco’s transfer agent in writing of the stop order and the restrictions on such Lock-up Shares under this Agreement and direct the Pubco’s transfer agent not to process any attempts by the Holder to resell or transfer any Lock-up Shares, except in compliance with this Agreement.

(c) For purposes hereof, “Short Sales” include, without limitation, all “short sales” as defined in Rule 200 promulgated under Regulation SHO under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and all types of direct and indirect stock pledges, forward sale contracts, options, puts, calls, swaps and similar arrangements (including on a total return basis), and sales and other transactions through non-US broker dealers or foreign regulated brokers.

(d) For purpose of this Agreement, the “Lock-up Period” means with respect to the Lock-up Shares, the period commencing on Closing Date and ending on the date that is six (6) months thereafter.

The restrictions set forth herein shall not apply to:

(1) Transfers or distributions to the Holder’s current or former general or limited partners, managers or members, stockholders, other equity holders or direct or indirect affiliates (within the meaning of Rule 405 under the Securities Act of 1933, as amended);

(2) Transfers by bona fide gift to a member of the Holder’s immediate family or to a trust, the beneficiary of which is the Holder or a member of the Holder’s immediate family or to a charitable organization;

(3) by virtue of the laws of descent and distribution upon death of the Holder;

(4) by operation of law or pursuant to a court order, such as a qualified domestic relations order, divorce decree or separation agreement;

(5) Transfers to a partnership, limited liability company or other entity of which the Holder and/or the Holder’s immediate family are the legal and beneficial owner of all of the outstanding equity securities or similar interests;

(6) in the case of an entity that is a trust, Transfers to a trustor or beneficiary of the trust or to the estate of a beneficiary of such trust;

(7) Transfers of any Pubco Ordinary Shares or other securities acquired as part of the PIPE Financing or issued in exchange for, or on conversion or exercise of, any securities issued as part of the PIPE Financing;

(8) Transfers relating to Pubco Ordinary Shares or other securities convertible into or exercisable or exchangeable for Pubco Ordinary Shares acquired in open market transactions after the Closing Date, provided that no such transaction is required to be, or is, publicly announced (whether on Form 4, Form 5 or otherwise, other than a required filing on Schedule 13F, 13G or 13G/A) during the Lock-up Period; and

(9) the entry, by the Holder, at any time after the effective time of the Merger, of any trading plan providing for the sale of Pubco Ordinary Shares by the Holder, which trading plan meets the requirements of Rule 10b5-1(c) under the Exchange Act, provided, however, that such plan does not provide for, or permit, the sale of any Pubco Ordinary Shares during the Lock-up Period and no public announcement or filing is voluntarily made or required regarding such plan during the Lock-up Period;

in the case of clauses (1) through (9) where such transferee agrees to be bound by the terms of this Agreement.

In addition, after the Closing Date, if there is a Change of Control, then upon the consummation of such Change of Control, all Lock-up Shares shall be released from the restrictions contained herein. A “Change of Control” means: (a) the sale of all or substantially all of the consolidated assets of Pubco and Pubco’s subsidiaries to a third-party purchaser; (b) a sale resulting in no less than a majority of the voting power of Pubco being held by person that did not own a majority of the voting power prior to such sale; or (c) a merger, consolidation, recapitalization or reorganization of Pubco with or into a third-party purchaser that results in the inability of the pre-transaction equity holders to designate or elect a majority of the board of directors (or its equivalent) of the resulting entity or its parent company.

2. Representations and Warranties. Each of the parties hereto, by their respective execution and delivery of this Agreement, hereby represents and warrants to the others and to all third party beneficiaries of this Agreement that (a) such party has the full right, capacity and authority to enter into, deliver and perform its respective obligations under this Agreement, (b) this Agreement has been duly executed and delivered by such party and is a binding and enforceable obligation of such party, enforceable against such party in accordance with the terms of this Agreement, and (c) the execution, delivery and performance of such party’s obligations under this Agreement will not conflict with or breach the terms of any other agreement, contract, commitment or understanding to which such party is a party or to which the assets or securities of such party are bound.

3. Beneficial Ownership. The Holder hereby represents and warrants that it does not beneficially own, directly or through its nominees (as determined in accordance with Section 13(d) of the Exchange Act, and the rules and regulations promulgated thereunder), any Pubco Ordinary Shares, or any economic interest in or derivative of such stock, other than those securities specified on the signature page hereto. For purposes of this Agreement, the Pubco Ordinary Shares beneficially owned by the Holder as specified on the signature page hereto are collectively referred to as the “Lock-up Shares.”

4. No Additional Fees/Payment. Other than the consideration specifically referenced herein, the parties hereto agree that no fee, payment or additional consideration in any form has been or will be paid to the Holder in connection with this Agreement.

5. Termination of the Merger Agreement. This Agreement shall be binding upon the Holder upon the Holder’s execution and delivery of this Agreement, but this Agreement shall only become effective upon the Closing. Notwithstanding anything to the contrary contained herein, in the event that the Merger Agreement is terminated in accordance with its terms prior to the Closing, this Agreement shall automatically terminate and become null and void, and the parties shall not have any rights or obligation hereunder.

6. Notices. Any notices required or permitted to be sent hereunder shall be sent in writing, addressed as specified below, and shall be deemed given: (a) if by hand or recognized courier service, by 4:00 PM on a Business Day, addressee’s day and time, on the date of delivery, and otherwise on the first Business Day after such delivery; (b) if by fax or email, on the date that transmission is confirmed electronically, if by 4:00 PM on a Business Day, addressee’s day and time, and otherwise on the first Business Day after the date of such confirmation; or (c) five days after mailing by certified or registered mail, return receipt requested. Notices shall be addressed to the respective parties as follows (excluding telephone numbers, which are for convenience only), or to such other address as a party shall specify to the others in accordance with these notice provisions:

Mountain Crest Acquisition Corp. IV

311 W. 43rd Street; 12th Floor

New York, NY 10036

Attention: Suying Liu

Email: ***@***

with a copy to (which shall not constitute notice):

Loeb & Loeb

345 Park Avenue, 19th Floor

New York, NY 10154

Attention: Mitchell S. Nussbaum, Esq.

E-mail: ***@***

with a copy to (which shall not constitute notice):

Wilson Sonsini Goodrich & Rosati

Suite 1509, 15/F, Jardine House, 1 Connaught Place

Central, Hong Kong

Tel: +852 3972 4955

Attention: Weiheng Chen, Esq.; Jie Zhu, Esq.

E-mail: ***@***; ***@***

or to such other address as any party may have furnished to the others in writing in accordance herewith.

7. Enumeration and Headings. The enumeration and headings contained in this Agreement are for convenience of reference only and shall not control or affect the meaning or construction of any of the provisions of this Agreement.

8. Counterparts. This Agreement may be executed in facsimile and in any number of counterparts, each of which when so executed and delivered shall be deemed an original, but all of which shall together constitute one and the same agreement.

9. Successors and Assigns. This Agreement and the terms, covenants, provisions and conditions hereof shall be binding upon, and shall inure to the benefit of, the respective heirs, successors and assigns of the parties hereto. The Holder hereby acknowledges and agrees that this Agreement is entered into for the benefit of and is enforceable by SPAC and its successors and assigns.

10. Severability. If any provision of this Agreement is held to be invalid or unenforceable for any reason, such provision will be conformed to prevailing law rather than voided, if possible, in order to achieve the intent of the parties and, in any event, the remaining provisions of this Agreement shall remain in full force and effect and shall be binding upon the parties hereto.

11. Amendment. This Agreement may be amended or modified by written agreement executed by each of the parties hereto.

12. Further Assurances. Each party shall do and perform, or cause to be done and performed, all such further acts and things, and shall execute and deliver all such other agreements, certificates, instruments and documents, as any other party may reasonably request in order to carry out the intent and accomplish the purposes of this Agreement and the consummation of the transactions contemplated hereby.

13. No Strict Construction. The language used in this Agreement will be deemed to be the language chosen by the parties to express their mutual intent, and no rules of strict construction will be applied against any party.

14. Governing Law. The terms and provisions of this Agreement shall be construed in accordance with the laws of the State of Delaware.

15. Controlling Agreement. To the extent the terms of this Agreement (as amended, supplemented, restated or otherwise modified from time to time) directly conflicts with a provision in the Merger Agreement, the terms of this Agreement shall control.

[Signature Page Follows]

IN WITNESS WHEREOF, the parties hereto have caused this Lock-up Agreement to be duly executed by their respective authorized signatories as of the date first indicated above.

[Signature Page to Lock-up Agreement]

IN WITNESS WHEREOF, the parties hereto have caused this Lock-up Agreement to be duly executed by their respective authorized signatories as of the date first indicated above.

[Signature Page to Lock-up Agreement]