[SCHEDULE 13G/A] Mountain Lake Acquisition Corp. Units SEC Filing

Rhea-AI Filing Summary

Mountain Lake Acquisition Corp. Class A ordinary shares are reported beneficially owned by Polar Asset Management Partners Inc., acting as investment adviser to Polar Multi-Strategy Master Fund which directly holds the shares. The reporting person discloses 1,480,000 shares, representing 6.2% of the class, and reports sole voting and sole dispositive power over those shares. The statement is filed on Schedule 13G and includes a certification that the position was acquired and is held in the ordinary course of business and not for the purpose of changing or influencing control.

The filing provides transparent disclosure of a material, passive institutional stake; the core facts for investors are the share count, percentage ownership, and the declaration of passive intent.

Positive

• Material disclosure of stake: 1,480,000 shares representing 6.2% of the Class A shares are reported
• Filed on Schedule 13G indicating passive intent and includes a certification that the position is held in the ordinary course of business and not to influence control

Negative

• None.

Insights

Financial Analyst

Institutional investor holds 6.2% of MLACU; position reported as passive with full voting/dispositive power—material stake but non-control filing.

Polar Asset Management Partners Inc. reports beneficial ownership of 1,480,000 shares of Mountain Lake Acquisition Corp Class A ordinary shares, equal to 6.2% of the class. The filing is a Schedule 13G, which by regulation signals a passive investment intent rather than an active bid for control. The report also states the reporting person has sole voting and dispositive power over the disclosed shares, meaning Polar can vote and sell these shares without sharing that authority. For valuation or market-impact modeling, the key inputs from this filing are the stake size and the passive certification; no new operational or financial data is provided.

Corporate Governance Expert

Schedule 13G shows 1.48M shares (6.2%) held with sole voting/dispositive power; certification denies intent to influence control.

The filing identifies Polar Asset Management Partners Inc. as the reporting adviser to Polar Multi-Strategy Master Fund, which directly holds the shares. The statement explicitly certifies that the securities were acquired and are held in the ordinary course of business and not to influence or change control, consistent with a Schedule 13G disclosure rather than a Schedule 13D. There is no indication in the filing of a group affiliation or coordinated action. From a governance perspective, this is a material minority stake disclosed for transparency but accompanied by a formal declaration of passive intent.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Mountain Lake Acquisition Corp

(Name of Issuer)

Class A ordinary shares, par value $0.0001 per share

(Title of Class of Securities)

G6301B119

(CUSIP Number)

06/30/2025

(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. G6301B119

1

Names of Reporting Persons

Polar Asset Management Partners Inc.

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

ONTARIO, CANADA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,480,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,480,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,480,000.00

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)

6.2 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Mountain Lake Acquisition Corp
(b)	Address of issuer's principal executive offices: 930 Tahoe Blvd STE 802 PMB 45, Incline Village, NV 89451
Item 2.
(a)	Name of person filing: This statement is filed by Polar Asset Management Partners Inc., a company incorporated under the laws of Ontario, Canada, which serves as the investment advisor to Polar Multi-Strategy Master Fund, a Cayman Islands exempted company ("PMSMF") with respect to the shares directly held by PMSMF.
(b)	Address or principal business office or, if none, residence: 16 York Street, Suite 2900, Toronto, Ontario, M5J 0E6
(c)	Citizenship: Canada
(d)	Title of class of securities: Class A ordinary shares, par value $0.0001 per share
(e)	CUSIP No.: G6301B119
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).
	The Reporting Person is an investment fund manager, portfolio manager, exempt market dealer and commodity trading manager registered with the Ontario Securities Commission.
Item 4.	Ownership
(a)	Amount beneficially owned: 1480000
(b)	Percent of class: 6.2 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1480000
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1480000
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
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:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held 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, other than activities solely in connection with a nomination under § 240.14a-11.

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.

Polar Asset Management Partners Inc.

Signature:	Andrew Ma
Name/Title:	Chief Compliance Officer
Date:	08/14/2025

FAQ

How many MLACU shares does Polar Asset Management report owning?

The filing reports ownership of 1,480,000 shares of Mountain Lake Acquisition Corp Class A ordinary shares.

What percentage of MLACU does the reported stake represent?

The reported position represents 6.2% of the class.

Does Polar report voting or dispositive power over the MLACU shares?

Yes. The filing states Polar has sole voting power and sole dispositive power with respect to the disclosed shares.

Was the position reported as active or passive under SEC rules?

The position is reported on Schedule 13G, and the filer certifies the shares are held in the ordinary course of business and not to influence control, indicating a passive position.

Who holds the shares directly according to the filing?

The filing indicates the shares are directly held by Polar Multi-Strategy Master Fund (PMSMF), for which Polar Asset Management Partners Inc. is the investment adviser.