USLM (USLM) director Sandra Duhe sells 1,277 shares in open market

Rhea-AI Filing Summary

United States Lime & Minerals director Sandra C. Duhe sold shares in the company. On 2026-03-03, she executed an open-market sale of 1,277 shares of USLM common stock at a price of $120.45 per share. After this transaction, she directly owned 2,254 shares.

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

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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^*

Duhe Sandra C

(Last) (First) (Middle)

5429 LBJ FREEWAY; SUITE 230

(Street)

DALLAS TX 75240

(City) (State) (Zip)

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)

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

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

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 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	03/03/2026		S		1,277	D	$120.45	2,254	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\ Sandra C Duhe	03/04/2026
	** 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.

FAQ

What insider transaction did USLM director Sandra C. Duhe report?

Sandra C. Duhe reported an open-market sale of USLM common stock. She sold 1,277 shares at a price of $120.45 per share on 2026-03-03, as disclosed in a Form 4 insider trading report.

How many USLM shares did Sandra C. Duhe sell and at what price?

Sandra C. Duhe sold 1,277 shares of United States Lime & Minerals common stock. The reported transaction price was $120.45 per share in an open-market sale recorded on a Form 4 insider filing.

How many USLM shares does Sandra C. Duhe own after the reported sale?

After the reported insider sale, Sandra C. Duhe directly owns 2,254 USLM common shares. This post-transaction ownership figure is disclosed in the Form 4 filing detailing her 1,277-share open-market sale at $120.45 per share.

Was the USLM insider transaction by Sandra C. Duhe a purchase or a sale?

The transaction was a sale of USLM shares by Sandra C. Duhe. The Form 4 lists transaction code “S” and describes it as an open-market sale of 1,277 common shares at $120.45 per share on 2026-03-03.

What type of security did Sandra C. Duhe trade in the USLM Form 4 filing?

Sandra C. Duhe traded USLM common stock according to the Form 4. The filing shows a non-derivative transaction involving 1,277 shares of United States Lime & Minerals common stock sold in the open market at $120.45 per share.