US Lime director receives 1,273-share stock grant

CARDIN RICHARD W reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

CARDIN RICHARD W reported acquisition or exercise transactions in this Form 4 filing.

United States Lime & Minerals director Richard W. Cardin received a stock grant of 1,273 shares of USLM Common Stock. The shares were awarded at a reference value of $110.00 per share. After this compensation-related grant, Cardin directly holds a total of 17,006 USLM shares.

Insights

Equity compensation analyst

Director received a routine stock grant that modestly increases his direct holdings.

Director Richard W. Cardin was granted 1,273 shares of USLM Common Stock at a reference value of $110.00 per share. This is coded as a grant or award, indicating equity-based compensation rather than an open-market purchase.

Following the grant, Cardin directly holds 17,006 shares. The awarded shares represent a small portion of his total position, suggesting a routine compensation event instead of a major change in ownership. No derivative positions are listed in this filing, so the visible exposure is in common stock.

Insider Trade Summary

Grant/Award: 1,273 shares

Grant/Award 1 txn

Insider CARDIN RICHARD W

Role Director

Type	Security	Shares	Price	Value
Grant/Award	USLM Common Stock	1,273	$110.00	$140K

Holdings After Transaction: USLM Common Stock — 17,006 shares (Direct)

Key Figures

Shares granted: 1,273 shares Grant value per share: $110.00 per share Total shares after grant: 17,006 shares +1 more

4 metrics

Shares granted 1,273 shares Grant of USLM Common Stock to director on 2026-05-01

Grant value per share $110.00 per share Reference value for stock award

Total shares after grant 17,006 shares Director’s direct USLM holdings following transaction

Transaction code A (grant, award, or other acquisition) Non-derivative acquisition classification

Key Terms

Grant, award, or other acquisition, USLM Common Stock, Form 4

3 terms

Grant, award, or other acquisition financial

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

USLM Common Stock financial

""security_title": "USLM Common Stock""

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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

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Accepted by SEC EDGAR 05/04/2026 - 06:24 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^*

CARDIN RICHARD W

(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)

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	05/01/2026		A		1,273	A	$110	17,006	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:

	\s\ Richard W Cardin	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)