Brian Pratt - 22 Jan 2026 Form 3 Insider Report for Legato Merger Corp. IV (LEGO)

Role: Director
Signature: /s/ Brian Pratt
Issuer symbol: LEGO
Transactions as of: 22 Jan 2026
Net transactions value: $0
Form type: 3
Filing time: 28 Jan 2026, 16:22:30 UTC
Previous filing: 03 Apr 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Pratt Brian	Director	C/O LEGATO MERGER CORP. IV, 777 THIRD AVENUE, 37TH FLOOR, NEW YORK	/s/ Brian Pratt	28 Jan 2026	0001441252

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	LEGO	Ordinary Shares						1,200,000	22 Jan 2026	By Pratt Capital, LLC	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	LEGO	Warrants							22 Jan 2026	Ordinary Shares	50,000	$11.50	By Pratt Capital, LLC	F2, F3, F4

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

Explanation of Responses:

Id	Content
F1	Includes 150,000 shares contained within units that the reporting person purchased at the closing of the Issuer's initial public offering (the "IPO").
F2	Represents warrants contained within units that the reporting person purchased at the closing of the Issuer's IPO.
F3	Each warrant will become exercisable 30 days after the completion by the Issuer of an initial business combination.
F4	Each warrant will expire five years after the completion by the Issuer of an initial business combination, or earlier upon redemption; provided that the warrants will expire earlier if the Issuer has not completed an initial business combination within the required time period and liquidates the trust account in connection therewith.