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

Reporting relationship: Director
Issuer ticker: LEGO
Reported as of: 22 Jan 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 28 Jan 2026, 16:22:30 UTC
Prior SEC filing: 03 Apr 2024
Next SEC filing: 14 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Brian Pratt

Key filing fact

Brian Pratt filed Form 3 for Legato Merger Corp. IV (LEGO) on 28 Jan 2026.

Key facts

This page summarizes Brian Pratt's Form 3 filing for Legato Merger Corp. IV (LEGO).
0 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 28 Jan 2026, 16:22.

Change

Previous filing in this sequence was filed on 03 Apr 2024.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001441252 Primary reporting owner

Pratt Brian

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

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LEGO holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,200,000
Date: 22 Jan 2026
Ownership: By Pratt Capital, LLC
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

LEGO holding Derivative

Warrants

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 22 Jan 2026
Ownership: By Pratt Capital, LLC
Underlying class: Ordinary Shares
Underlying amount: 50,000
Exercise price: $11.50
Footnotes: F2, F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote 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").

Footnote F2

Represents warrants contained within units that the reporting person purchased at the closing of the Issuer's IPO.

Footnote F3

Each warrant will become exercisable 30 days after the completion by the Issuer of an initial business combination.

Footnote 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.