Majority control: Mountain Crest (MCAG) sponsor and Liu report 64.9% stake

Rhea-AI Filing Summary

Mountain Crest Global Holdings LLC and its sole manager Suying Liu report beneficial ownership of 1,865,800 shares of Mountain Crest Acquisition Corp. V common stock. This stake represents 64.94% of the 2,873,023 shares outstanding as of November 14, 2025, giving them majority control of the company’s voting power.

Both the sponsor entity and Liu have sole voting and dispositive power over these shares, with no shared authority reported. The filing is a joint Schedule 13G/A amendment reflecting their combined ownership position rather than a new issuance or transaction.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

Mountain Crest Acquisition Corp. V

(Name of Issuer)

Common Stock, par value $0.0001 per Share

(Title of Class of Securities)

62404B107

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 62404B107

1

Names of Reporting Persons

Mountain Crest Global Holdings LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,865,800.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,865,800.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,865,800.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

64.94 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: (1) Calculated based on 2,873,023 shares of common stock outstanding as of November 14, 2025 as reported on the Issuer's Form 10-Q, filed on November 14, 2025.

SCHEDULE 13G

CUSIP No. 62404B107

1

Names of Reporting Persons

Suying Liu

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CHINA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,865,800.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,865,800.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,865,800.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

64.94 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: (1) Calculated based on 2,873,023 shares of common stock outstanding as of November 14, 2025 as reported on the Issuer's Form 10-Q, filed on November 14, 2025.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Mountain Crest Acquisition Corp. V
(b)	Address of issuer's principal executive offices: 524 Broadway 11th Floor, New York, NY, 10012
Item 2.
(a)	Name of person filing: (i) Mountain Crest Global Holdings LLC (the "Sponsor") and (ii) Suying Liu, the sole manager of the Sponsor. The Sponsor and Suying Liu have entered into a Joint Filing Agreement, dated the date hereof, pursuant to which the Sponsor and Suying Liu have agreed to file this statement and any subsequent amendments hereto jointly in accordance with the provisions of Rule 13d-1(k)(1) under the Act. Any disclosures herein with respect to persons other than the Sponsor and Suying Liu are made on information and belief after making inquiry to the appropriate party. The filing of this statement should not be construed as an admission that any of the forgoing persons is, for the purposes of Section 13 of the Act, the beneficial owner of the Ordinary Shares reported herein.
(b)	Address or principal business office or, if none, residence: 524 Broadway 11th Floor, New York, NY, 10012
(c)	Citizenship: (i) Mountain Crest Global Holdings LLC - Delaware (ii) Suying Liu - China
(d)	Title of class of securities: Common Stock, par value $0.0001 per Share
(e)	CUSIP No.: 62404B107
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: The responses to Items 5-11 of the cover pages of this Schedule 13G are incorporated herein by reference.
(b)	Percent of class: Mountain Crest Global Holdings LLC and Suying Liu beneficially own 1,865,800 shares of Common Stock. This accounts for 64.94% of the 2,873,023 shares of Common Stock outstanding as of November 14, 2025, as disclosed in the Company's Form 10-Q filed with the SEC on November 14, 2025.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Mountain Crest Global Holdings LLC - 1,865,800 shares Suying Liu - 1,865,800 shares
	(ii) Shared power to vote or to direct the vote: Mountain Crest Global Holdings LLC - 0 shares Suying Liu - 0 shares
	(iii) Sole power to dispose or to direct the disposition of: Mountain Crest Global Holdings LLC - 1,865,800 shares Suying Liu - 1,865,800 shares
	(iv) Shared power to dispose or to direct the disposition of: Mountain Crest Global Holdings LLC - 0 shares Suying Liu - 0 shares
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.	Certifications:
	Not Applicable

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Mountain Crest Global Holdings LLC

Signature:	/s/ Suying Liu
Name/Title:	Managing Member
Date:	02/12/2026

Suying Liu

Signature:	/s/ Suying Liu
Name/Title:	Suying Liu
Date:	02/12/2026

Exhibit Information

Exhibit 1. Joint Filing Agreement pursuant to Rule 13d-1(k)

FAQ

What ownership stake in MCAG is reported in this Schedule 13G/A?

The filing reports that Mountain Crest Global Holdings LLC and Suying Liu beneficially own 1,865,800 shares of MCAG common stock. This equals 64.94% of the 2,873,023 shares outstanding as of November 14, 2025, giving them a controlling majority position.

Who are the reporting persons in the MCAG Schedule 13G/A filing?

The reporting persons are Mountain Crest Global Holdings LLC, described as the sponsor, and Suying Liu, its sole manager. They entered a Joint Filing Agreement and are reporting their ownership in Mountain Crest Acquisition Corp. V common stock together under Section 13 of the Exchange Act.

How much voting power over MCAG shares do the reporting persons have?

The filing states that both Mountain Crest Global Holdings LLC and Suying Liu have sole voting power and sole dispositive power over 1,865,800 MCAG shares. They report zero shared voting or shared dispositive power, indicating exclusive control over those shares.

What share count was used to calculate the 64.94% ownership of MCAG?

The 64.94% ownership figure is calculated based on 2,873,023 shares of MCAG common stock outstanding. This share count comes from the company’s Form 10-Q, which reported that number of outstanding shares as of November 14, 2025, and is cited in the Schedule 13G/A.

What type of securities are covered in this MCAG Schedule 13G/A?

The Schedule 13G/A covers common stock of Mountain Crest Acquisition Corp. V, with a par value of $0.0001 per share. The securities identified use CUSIP number 62404B107 and represent the class in which the reporting persons hold their disclosed stake.

Where is Mountain Crest Acquisition Corp. V’s principal executive office located?

The issuer’s principal executive offices are listed at 524 Broadway, 11th Floor, New York, NY 10012. This address is provided in the identification section of the Schedule 13G/A, along with the issuer name and the class of securities being reported.