Adam H. Jaffe - 22 Jan 2026 Form 3 Insider Report for Legato Merger Corp. IV (LEGO)

Role: CFO, Director
Signature: /s/ Adam H. Jaffe
Issuer symbol: LEGO
Transactions as of: 22 Jan 2026
Net transactions value: $0
Form type: 3
Filing time: 22 Jan 2026, 17:01:38 UTC
Previous filing: 05 Feb 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Jaffe Adam H	CFO, Director	C/O LEGATO MERGER CORP. IV, 777 THIRD AVENUE, NEW YORK	/s/ Adam H. Jaffe	22 Jan 2026	0001745026

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	LEGO	Ordinary Shares						501,200	22 Jan 2026	Direct	F1
holding	LEGO	Ordinary Shares						225,900	22 Jan 2026	By Roth IRA	F2

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	400	$11.50	Direct	F3, F4, F5

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

Explanation of Responses:

Id	Content
F1	Includes (i) 1,200 shares contained within units that the reporting person has irrevocably agreed to purchase at the closing of the Issuer's initial public offering (the "IPO") and (ii) up to 76,364 shares subject to forfeiture in the event the underwriters of the IPO do not exercise their over-allotment option in full.
F2	Includes up to 34,502 shares subject to forfeiture in the event the underwriters of the IPO do not exercise their over-allotment option in full.
F3	Represents warrants contained within units that the reporting person has irrevocably agreed to purchase at the closing of the Issuer's IPO.
F4	Each warrant will become exercisable 30 days after the completion by the Issuer of an initial business combination.
F5	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.