Loma Negra (NYSE: LOMA) CFO discloses stock units and options

Rhea-AI Filing Summary

Loma Negra Compania Industrial Argentina Sociedad Anonima filed an initial Form 3 for Chief Financial Officer Marcos Isabelino Gradin, detailing his existing equity-based awards. He holds performance stock units linked to 74,607 underlying ordinary shares, which may be settled in shares, ADSs or cash based on total shareholder return over a three-year period.

He also holds restricted stock units covering 50,956 underlying ordinary shares, vesting in substantially equal installments on January 1 of each of the three years beginning in 2027, subject to continued employment. In addition, he has phantom stock options tied to 55,366 underlying ordinary shares, with a grant price of US$3.80 per ordinary share (equivalent to US$19.00 per ADS), which are fully vested and exercisable quarterly until their expiration in 2027.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Gradin Marcos Isabelino

(Last) (First) (Middle)

CECILIA GRIERSON 355, 4TH FLOOR

(Street)

BUENOS AIRES C1107CPG

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Loma Negra Compania Industrial Argentina Sociedad Anonima [ LOMA ]

3a. Foreign Trading Symbol
[LOMA.BA]

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

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

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Stock Units	(1)	(1)	Ordinary Shares	74,607	(1)	D
Restricted Stock Units	(2)	(2)	Ordinary Shares	50,956	(2)	D
Phantom Stock Options	(3)	11/01/2027	Ordinary Shares	55,366	$3.8	D

Explanation of Responses:

1. Each performance stock unit represents a contingent right to receive the economic equivalent of one ordinary share of Loma Negra C.I.A.S.A.(the Company). The Reporting Person was awarded performance stock units under the Company s Stock Compensation Plan Subject to Total Shareholder Return (TSR). The performance stock units may, at the Company s discretion, be settled in ordinary shares, American depositary shares (each representing five (5) ordinary shares) (ADSs) or the equivalent value in cash. The number of ordinary shares, ADSs (or equivalent value in cash) to be delivered upon vesting will be determined by reference to the Company s TSR over a three-year period following the award date (including the year the award was made) and calculated in accordance with the plan. The performance stock units will vest following the end of the three-year performance period, subject to the Reporting Person continued employment with the Company through such vesting date.

2. Each restricted stock unit represents a contingent right to receive the economic equivalent of one ordinary share of the Company. The Reporting Person was awarded restricted stock units under the Company s Stock Compensation Plan. The restricted stock units may, at discretion of the Company, be settled in ordinary shares, ADSs or the equivalent value in cash. The restricted stock units vest in substantially equal installments on January 1 of each of the three years following the award date, subject to the Reporting Person continued employment with the Company through each such vesting date, commencing on January 1, 2027.

3. Each phantom stock option represents a contingent right to receive a cash payment equal to the excess in value of one ADS above a grant price of US$19.00 per ADS (equivalent to US$3.80 per ordinary share). The Reporting Person was granted phantom stock options under the Company s 2017 Phantom Stock Option Program. The phantom stock options are fully vested and are exercisable quarterly in accordance with the plan, subject to the Reporting Person s continued employment with the Company through the applicable exercise date.

Remarks:

	Marcos Isabelino Gradin	03/18/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does the LOMA Form 3 filing disclose about the CFO?

The Form 3 discloses Chief Financial Officer Marcos Isabelino Gradin’s existing equity awards, including performance stock units, restricted stock units, and phantom stock options, all tied to Loma Negra ordinary shares under the company’s compensation and phantom stock option plans.

How many performance stock units does LOMA’s CFO report on Form 3?

He reports performance stock units linked to 74,607 underlying ordinary shares. These units are tied to total shareholder return over a three-year period and may be settled in ordinary shares, ADSs representing five shares each, or an equivalent cash value at the company’s discretion.

What restricted stock units are reported for LOMA’s CFO in the Form 3?

The CFO reports restricted stock units covering 50,956 underlying ordinary shares. These units were granted under the stock compensation plan and vest in substantially equal installments on January 1 of each of the three years starting in 2027, subject to continued employment.

What are the key terms of the phantom stock options reported by LOMA’s CFO?

The phantom stock options reference 55,366 underlying ordinary shares, with value based on one ADS above a US$19.00 grant price, equivalent to US$3.80 per ordinary share. They are fully vested and exercisable quarterly until their expiration in 2027, subject to continued employment.

Do the LOMA equity awards give the CFO ordinary shares immediately?

No, the awards are largely contingent rights. Performance stock units and restricted stock units provide the economic equivalent of ordinary shares, ADSs or cash upon vesting or performance satisfaction, while phantom stock options pay cash based on ADS price gains above the specified grant price.