SC 13G/A 1 p23-0219sc13ga.htm MOUNT RAINIER ACQUISITION CORP.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


SCHEDULE 13G/A


Under the Securities Exchange Act of 1934

(Amendment No. 2)*

Mount Rainier Acquisition Corp.
(Name of Issuer)

Common Stock, par value $0.0001 per share
(Title of Class of Securities)

623006103
(CUSIP Number)

December 31, 2022
(Date of event which requires filing of this statement)


Check the appropriate box to designate the rule pursuant to which this Schedule 13G is filed:

x	Rule 13d-1(b)
¨	Rule 13d-1(c)
¨	Rule 13d-1(d)

(Page 1 of 6 Pages)

______________________________

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 623006103

13G/A

Page 2 of 6 Pages

1	NAMES OF REPORTING PERSONS Highbridge Capital Management, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	5	SOLE VOTING POWER 0
	6	SHARED VOTING POWER 0
	7	SOLE DISPOSITIVE POWER 0
	8	SHARED DISPOSITIVE POWER 0
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES			¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0%
12	TYPE OF REPORTING PERSON IA, OO

CUSIP No. 623006103

13G/A

Page 3 of 6 Pages

Item 1(a).	NAME OF ISSUER:

	The name of the issuer is Mount Rainier Acquisition Corp. (the “Company”).

Item 1(b).	ADDRESS OF ISSUER’S PRINCIPAL EXECUTIVE OFFICES:

	The Company’s principal executive offices are located at 256 W. 38th Street, 15th Floor, New York, NY 10018.

Item 2(a).

NAME OF PERSON FILING:

This statement is filed by Highbridge Capital Management, LLC (“Highbridge” or the “Reporting Person”), a Delaware limited liability company and the investment adviser to certain funds and accounts (the “Highbridge Funds”), with respect to the shares of Common Stock (as defined in Item 2(d) below) directly held by the Highbridge Funds.

The filing of this statement should not be construed as an admission that any of the foregoing persons or the Reporting Person is, for the purposes of Section 13 of the Act, the beneficial owner of the shares of Common Stock reported herein.

Item 2(b).

ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:

The address of the business office of Reporting Person is 277 Park Avenue, 23rd Floor, New York, New York 10172.

Item 2(c).

CITIZENSHIP:

Highbridge is a Delaware limited liability company.

Item 2(d).	TITLE OF CLASS OF SECURITIES:

	Common Stock, par value $0.0001 per share (the “Common Stock”).

Item 2(e).	CUSIP NUMBER:

	623006103

Item 3.

IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b) OR 13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

(a)	¨	Broker or dealer registered under Section 15 of the Act,
(b)	¨	Bank as defined in Section 3(a)(6) of the Act,
(c)	¨	Insurance Company as defined in Section 3(a)(19) of the Act,
(d)	¨	Investment Company registered under Section 8 of the Investment Company Act of 1940,

CUSIP No. 623006103

13G/A

Page 4 of 6 Pages

(e)	x	An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
(f)	¨	Employee Benefit Plan or Endowment Fund in accordance with Rule 13d-1(b)(1)(ii)(F),
(g)	¨	Parent Holding Company or control person in accordance with Rule 13d-1(b)(1)(ii)(G),
(h)	¨	Savings Association as defined in Section 3(b) of the Federal Deposit Insurance Act,
(i)	¨	A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;
(j)	¨	A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J);
(k)	¨	Group, in accordance with Rule 13d-1(b)(1)(ii)(K).

If filing as a non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J), please

specify the type of institution:_________________________________

Item 4.	OWNERSHIP.

	The information required by Items 4(a) - (c) is set forth in Rows 5 - 11 of the cover page of the Reporting Person and is incorporated herein by reference.

Item 5.	OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

	If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following [x]

Item 6.	OWNERSHIP OF MORE THAN FIVE 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.

	Not applicable.

Item 8.	IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

	Not applicable.

CUSIP No. 623006103

13G/A

Page 5 of 6 Pages

Item 9.	NOTICE OF DISSOLUTION OF GROUP.

	Not applicable.

Item 10.

CERTIFICATION.

	The Reporting Person hereby makes the following certification:

	By signing below the Reporting Person certifies that, to the best of its knowledge and belief, the securities referred to above were acquired and not held in the ordinary course of business and were not acquired for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

CUSIP No. 623006103

13G/A

Page 6 of 6 Pages

SIGNATURES

After reasonable inquiry and to the best of our knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct.

DATED: January 25, 2023

HIGHBRIDGE CAPITAL MANAGEMENT, LLC


By:	/s/ Kirk Rule
Name:	Kirk Rule
Title:	Executive Director

SEC Form SC 13G/A filed by Mount Rainier Acquisition Corp. (Amendment)