Paul Grinberg - 28 Jan 2026 Form 4 Insider Report for Mountain Lake Acquisition Corp. II (MLAA)

Role: Chief Executive Officer, 10%+ Owner
Signature: /s/ Paul Grinberg
Issuer symbol: MLAA
Transactions as of: 28 Jan 2026
Net transactions value: +$5,100,000
Form type: 4
Filing time: 30 Jan 2026, 18:30:35 UTC
Previous filing: 18 Nov 2025
SEC: View on sec.gov

Reporting Owners (3)

Name	Relationship	Address	Signature	Signature date	CIK
Grinberg Paul	Chief Executive Officer, 10%+ Owner	930 TAHOE BLVD STE 802 PMB 45, INCLINE VILLAGE	/s/ Paul Grinberg	30 Jan 2026	0001303829
MOUNTAIN LAKE ACQUISITION SPONSOR II LLC	10%+ Owner	930 TAHOE BLVD STE 802 PMB 45, INCLINE VILLAGE	/s/ Mountain Lake Acquisition Sponsor II LLC	30 Jan 2026	0002095442
Horlick Douglas	Chief Financial Officer, Director, 10%+ Owner	C/O MOUNTAIN LAKE ACQUISITION CORP. II, 930 TAHOE BLVD STE 802 PMB 45, INCLINE VILLAGE	/s/ Douglas Horlick	30 Jan 2026	0001844909

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MLAA	Class A Ordinary Shares	Purchase	$5,100,000	+510,000		$10.00	510,000	28 Jan 2026	Through Mountain Lake Acquisition Sponsor II LLC	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects the 510,000 Class A ordinary shares of Mountain Lake Acquisition Corp. II (the "Issuer") that are included in the 510,000 private placement units of the Issuer purchased by Mountain Lake Acquisition Sponsor II LLC ("Sponsor"). Each private placement unit was purchased for $10 per unit and consists of one Class A ordinary share and one-half of a warrant, each whole warrant exercisable into one Class A ordinary share at an exercise price of $11.50 per ordinary share.
F2	The Sponsor is the record holder of the shares reported herein. Paul Grinberg and Douglas Horlick, as the managing members of Mountain Lake Acquisition Sponsor II LLC share voting and investment discretion with respect to the ordinary shares held of record by the sponsor. Each such person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest they may have therein, directly or indirectly. Paul Grinberg and Douglas Horlick disclaim any beneficial ownership of the securities held by Mountain Lake Acquisition Sponsor II LLC other than to the extent of any pecuniary interest they may have therein, directly or indirectly.
F3	Excludes 12,006,000 Class B ordinary shares of the Issuer held by the Sponsor acquired pursuant to a subscription agreement by and between the Issuer and the Sponsor, of which [6,000] are subject to forfeiture to the extent the underwriter in the Issuer's public offering does not exercise the remainder of its over-allotment option.