Loma Negra (LOMA) CEO details phantom options, performance and restricted stock units

Rhea-AI Filing Summary

Loma Negra Compania Industrial Argentina Sociedad Anonima director and Chief Executive Officer Sergio Damian Faifman reports his existing equity-based incentive holdings. He holds phantom stock options tied to 200,199 ordinary shares, with value above a grant price of US$3.80 per ordinary share and expiring on November 1, 2027.

He also holds performance stock units linked to 331,715 ordinary shares, which may be settled in ordinary shares, ADSs (each representing five ordinary shares), or cash based on total shareholder return over a three-year period. In addition, he holds restricted stock units tied to 168,465 ordinary shares, vesting in substantially equal installments on January 1 of each of the three years starting January 1, 2027, all subject to continued employment and plan terms.

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^*

Faifman Sergio Damian

(Last) (First) (Middle)

CECILIA GRIERSON 355, 4TH FLOOR

(Street)

CIUDAD DE 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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive 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
Phantom Stock Options	(1)	11/01/2027	Ordinary Shares	200,199	$3.8	D
Performance Stock Units	(2)	(2)	Ordinary Shares	331,715	(2)	D
Restricted Stock Units	(3)	(3)	Ordinary Shares	168,465	(3)	D

Explanation of Responses:

1. 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.

2. 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.

3. 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.

Remarks:

	Sergio Damian Faifman	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 LOMA CEO Sergio Damian Faifman report holding in this Form 3?

Sergio Damian Faifman reports existing incentive holdings in phantom stock options, performance stock units, and restricted stock units tied to Loma Negra ordinary shares. These instruments provide cash or share-based value depending on share performance, vesting schedules, and the company’s settlement choices under its compensation plans.

How are Sergio Faifman’s LOMA phantom stock options structured?

Each phantom stock option gives a contingent right to cash equal to the value of one ADS above a grant price of US$19.00 per ADS, equivalent to US$3.80 per ordinary share. The options are fully vested and exercisable quarterly, subject to his continued employment with the company.

What are the terms of LOMA’s performance stock units held by the CEO?

Each performance stock unit represents the economic equivalent of one ordinary share. They may be settled in ordinary shares, ADSs, or cash, based on Loma Negra’s total shareholder return over a three-year period, and vest after that period, subject to Sergio Faifman’s continued employment with the company.

How do LOMA restricted stock units vest for Sergio Faifman?

Each restricted stock unit represents the economic equivalent of one ordinary share and may be settled in ordinary shares, ADSs, or cash. These units vest in substantially equal installments on January 1 of each of the three years beginning January 1, 2027, contingent on his continued employment.

Does LOMA’s CEO receive shares or cash from these awards at vesting or exercise?

The compensation plans allow settlement in ordinary shares, ADSs, or equivalent cash value. For phantom stock options, settlement is a cash payment above the grant price. For performance and restricted stock units, the company can choose shares, ADSs, or cash, following the applicable plan terms.

What performance measure affects LOMA’s performance stock units reported here?

The performance stock units are governed by Loma Negra’s Stock Compensation Plan Subject to Total Shareholder Return. Payout depends on the company’s total shareholder return over a three-year period from the award date, calculated under the plan, and requires Sergio Faifman’s continued employment through vesting.