US Lime VP Nathan O’Neill reports stock transactions

United States Lime & Minerals vice president Nathan O'Neill reported several transactions in company common stock.

Accepted by SEC EDGAR 02/04/2026 - 04:26 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

United States Lime & Minerals vice president Nathan O'Neill reported several transactions in company common stock. On February 2, 2026, he acquired 426 shares at a per share closing price of $123.61 and had shares withheld in separate transactions coded "F" on February 2 and 3. After these transactions, he directly beneficially owned 7,703 shares of common stock.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider O'Neill Nathan

Role Vice President

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	USLM Common Stock	166	$118.13	$20K
Exercise Price or Tax Liability	USLM Common Stock	105	$123.61	$13K
Grant/Award	USLM Common Stock	426	$123.61	$53K

Holdings After Transaction: USLM Common Stock — 7,703 shares (Direct)

Footnotes (2)

1. F1. Per share closing price on February 2, 2026.
2. F2. Per share closing price on February 3, 2026.

FAQ

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

What insider stock transactions did USLM vice president Nathan O'Neill report?

Nathan O’Neill reported acquiring 426 shares of USLM common stock on February 2, 2026, at a per share closing price of $123.61, along with share withholdings of 105 shares on February 2 and 166 shares on February 3 tied to closing prices.

How many USLM shares does Nathan O'Neill own after these Form 4 transactions?

After the reported transactions, Nathan O’Neill directly beneficially owned 7,703 shares of United States Lime & Minerals common stock. This figure reflects the net result of the February 2, 2026 acquisition and the share withholdings reported on February 2 and 3, 2026.

On which dates did Nathan O'Neill's USLM insider transactions occur?

The reported insider transactions occurred on February 2, 2026 and February 3, 2026. These dates cover both the acquisition of 426 USLM common shares and the share withholdings of 105 and 166 shares, each tied to the respective day’s per share closing prices.

What do the prices in Nathan O'Neill's USLM Form 4 filing represent?

The reported prices of $123.61 and $118.13 per share in the Form 4 are described as the per share closing prices on February 2, 2026 and February 3, 2026, respectively, providing reference values for the share acquisition and withholding transactions.

Are Nathan O'Neill's reported USLM share holdings direct or indirect?

The Form 4 lists Nathan O’Neill’s USLM common stock ownership as direct, indicated with an ownership form of “D.” There is no nature of indirect beneficial ownership disclosed, meaning the 7,703 shares following the transactions are held directly in his name.

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

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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^*

O'Neill Nathan

(Last) (First) (Middle)

5429 LBJ FRWY; STE 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/02/2026

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	02/02/2026		F		105	D	$123.61(1)	7,869	D
USLM Common Stock	02/03/2026		F		166	D	$118.13(2)	7,703	D
USLM Common Stock	02/02/2026		A		426	A	$123.61(1)	8,129	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:

1. Per share closing price on February 2, 2026.

2. Per share closing price on February 3, 2026.

	\s\ Nathan O'Neill	02/04/2026
	** 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.