US Lime director granted 3,405 stock options

UNITED STATES LIME & MINERALS INC director Antoine M. Doumet received a grant of stock options described as a "Stock Option (right to buy)" on May 1, 2026.

Rhea-AI Filing Summary

UNITED STATES LIME & MINERALS INC director Antoine M. Doumet received a grant of stock options described as a "Stock Option (right to buy)" on May 1, 2026. The award covers 3,405 options to acquire USLM common stock at an exercise price of $110.00 per share, expiring on May 1, 2036. Following this filing, Doumet is shown as directly holding 110,000 shares of USLM common stock. A footnote explains the amendment was made to correct the transaction code to code A, which identifies the transaction as a grant, award, or other acquisition of derivative securities.

Insider Trade Summary

Grant/Award: 3,405 shares

Grant/Award 2 txns

Insider DOUMET ANTOINE M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (right to buy)	3,405	$110.00	$375K
holding	USLM Common Stock	--	--	--

Holdings After Transaction: Stock Option (right to buy) — 3,405 contracts (Direct); USLM Common Stock — 110,000 shares (Direct)

Footnotes (1)

1. F1. Amended to correct Transaction Code to A.

Key Figures

Stock options granted: 3,405 options Exercise price: $110.00 per share Option expiration date: May 1, 2036 +2 more

5 metrics

Stock options granted 3,405 options Grant of Stock Option (right to buy) on May 1, 2026

Exercise price $110.00 per share Conversion or exercise price for granted options

Option expiration date May 1, 2036 Expiration date of the 3,405 stock options

Underlying shares 3,405 USLM common shares Underlying security shares for the stock option grant

Common shares held 110,000 shares Total USLM common stock held directly after transaction

Key Terms

Stock Option (right to buy), Grant, award, or other acquisition, Form 4/A

3 terms

Stock Option (right to buy) financial

"security_title: "Stock Option (right to buy)""

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

Form 4/A regulatory

"CONTENT METADATA ... "form_type": "4/A""

Form 4/A is an amended filing that corrects or updates an earlier Form 4, the mandatory report that insiders (like company executives, directors, or large shareholders) must file when their ownership stakes change. Think of it as an edited receipt showing who bought or sold stock and when; investors use it to track insider confidence, detect potential conflicts, and spot trading patterns that might signal future company prospects.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did USLM director Antoine Doumet report on this Form 4/A?

Antoine Doumet reported a stock option grant. He received 3,405 stock options described as a "Stock Option (right to buy)" USLM common stock, reflecting a compensation-related award rather than an open-market purchase or sale of existing shares.

What are the key terms of Antoine Doumet’s USLM stock option grant?

The grant covers 3,405 options at $110.00 per share. These options give Doumet the right to buy USLM common stock at that exercise price and carry an expiration date of May 1, 2036, defining the period during which they may be exercised.

How many USLM shares does Antoine Doumet hold after this reported transaction?

The filing shows Doumet holding 110,000 USLM common shares directly. This figure appears in a holding entry for USLM common stock, providing context for his overall equity position in addition to the newly granted stock options.

Why was this USLM Form 4/A filing marked as an amendment?

The amendment corrects the transaction code to A. A footnote explains the filing was amended to change the transaction code, clarifying that the reported derivative transaction is a grant, award, or other acquisition rather than another type of insider transaction.

Does this USLM Form 4/A show any insider share sales or purchases in the market?

The data shows a grant of options and a holdings entry, not open-market trades. The derivative transaction is coded as a grant (A), and there are no transactions marked as buys or sells of common stock in the summarized information.

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

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Accepted by SEC EDGAR 05/04/2026 - 06:30 PM Learn about SEC filing dates

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^*

DOUMET ANTOINE M

(Last) (First) (Middle)

5429 LBJ FREEWAY

SUITE 230

(Street)

DALLAS TEXAS 75240

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
UNITED STATES LIME & MINERALS INC [ USLM ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026

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)
05/04/2026

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
USLM Common Stock								110,000	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
Stock Option (right to buy)	$110	05/01/2026		A(1)		3,405		05/01/2026	05/01/2036	USLM Common Stock	3,405	$110	3,405	D

Explanation of Responses:

1. Amended to correct Transaction Code to A.

	\s\ Antoine Doumet	05/04/2026
	** 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)