Legato Merger (NASDAQ: LEGO) CEO adds 27,919 shares at $0.003

Rhea-AI Filing Summary

Legato Merger Corp. IV CEO and director Gregory R. Monahan reported purchasing 27,919 Ordinary Shares on August 3, 2026 at $0.003 per share. Following this transaction, he directly owns 1,663,894 shares, including 2,700 shares contained within units. The purchase is classified as an open market or private transaction and is not indicated as made under a Rule 10b5-1 trading plan.

Insider Trade Summary

Net Buyer: 27,919 shares

Net Buy 1 txn

Insider Monahan Gregory R

Role CEO

Bought 27,919 shs ($83.76)

Type	Security	Shares	Price	Value
Purchase	Ordinary Shares F1	27,919	$0.003	$83.76

Holdings After Transaction: Ordinary Shares — 1,663,894 shares (Direct)

Footnotes (1)

1. F1. Includes 2,700 shares contained within units.

Key Figures

Shares purchased: 27,919 Ordinary Shares Purchase price: $0.003 per share Shares owned after transaction: 1,663,894 shares +1 more

4 metrics

Shares purchased 27,919 Ordinary Shares Purchase reported on August 3, 2026

Purchase price $0.003 per share Price for Ordinary Shares purchased on August 3, 2026

Shares owned after transaction 1,663,894 shares Direct holdings following August 3, 2026 purchase

Shares contained within units 2,700 shares Included within post-transaction direct holdings

Key Terms

Ordinary Shares, units, open market or private transaction

3 terms

Ordinary Shares financial

"Security title reported as Ordinary Shares for the purchase"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

units financial

"Footnote states holdings include 2,700 shares contained within units"

Units are bundled securities sold as one package in a financing—commonly a share paired with an instrument that gives the holder the right to buy more shares later. For investors this matters because a unit’s extra component can change future supply of shares and potential returns, similar to buying a combo with a coupon that can be redeemed later and alter what you actually receive and what others might own.

open market or private transaction financial

"Transaction code description notes Purchase in open market or private transaction"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/04/2026 - 04:43 PM Accepted by SEC EDGAR 08/04/2026 - 04:43 PM Learn about SEC filing dates

FAQ

What insider transaction did LEGO report for CEO Gregory R. Monahan?

CEO Gregory R. Monahan reported buying 27,919 Ordinary Shares of Legato Merger Corp. IV on August 3, 2026 at $0.003 per share. The transaction is classified as a purchase in an open market or private transaction under Form 4 reporting.

How many LEGO shares does Gregory R. Monahan own after this Form 4?

After the reported transaction, Gregory R. Monahan directly owns 1,663,894 shares of Legato Merger Corp. IV. This total includes 2,700 shares contained within units, as disclosed in the footnote linked to the post-transaction share amount.

At what price were the 27,919 LEGO shares purchased by the CEO?

The 27,919 Ordinary Shares were purchased at $0.003 per share. This price applies to the August 3, 2026 purchase transaction reported for Legato Merger Corp. IV and is recorded as a per-share amount in the Form 4 data.

Were the LEGO insider share purchases made under a Rule 10b5-1 trading plan?

The filing does not indicate that the purchase was made under a Rule 10b5-1 trading plan. The document-level checkbox for Rule 10b5-1 is shown as unchecked, suggesting the transaction was not executed pursuant to such a pre-arranged plan.

Do Gregory R. Monahan’s LEGO holdings include shares contained within units?

Yes. A Form 4 footnote states that his post-transaction holdings include 2,700 shares contained within units. These 2,700 shares are part of the reported 1,663,894 directly owned shares following the August 3, 2026 purchase.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Monahan Gregory R

(Last) (First) (Middle)

C/O LEGATO MERGER CORP. IV

777 THIRD AVENUE, 37TH FLOOR

(Street)

NEW YORK NEW YORK 10017

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Legato Merger Corp. IV [ LEGO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	08/03/2026		P		27,919	A	$0.003	1,663,894(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes 2,700 shares contained within units.

	/s/ Gregory R. Monahan	08/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)