United States Lime & Minerals Inc.
- USLM · Nasdaq
- Mining & Quarrying of Nonmetallic Minerals (No Fuels)
- Dallas, TX
- 346 employees
- CIK 0000082020
Updated from SEC filings through
Top things to know
Executives
- Timothy W. Byrne President and Chief Executive Officer 8-K, 2026-10-30
- Michael L. Wiedemer Vice President and Chief Financial Officer 10-Q, 2026-10-30
- John J. Gagnon Vice President 4, 2026-02-04
- Nathan O'Neill Vice President 4, 2026-02-04
- Timothy Wade Stone Vice President 4, 2026-02-04
What leadership is saying
“We saw modest increases in both volumes and sales prices for our lime and limestone products in the third quarter 2026, while our expenses reflected the impact of the sharp rise in diesel prices”
Earnings press release (8-K Ex. 99.1), filed October 30, 2026
United States Lime & Minerals Inc is a U.S. public company in mining & quarrying of nonmetallic minerals (no fuels) (SIC 1400), headquartered in Dallas, TX. It trades as USLM on Nasdaq. Revenue was $373M in the fiscal year ending December 31, 2025, +17.3% from the year before. It reported about 346 employees. Timothy W. Byrne is President and Chief Executive Officer.
Five-year financials
| Metric | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|---|
| Revenue | $373M 10-K, 2026-02-26 | $318M 10-K, 2026-02-26 | $281M 10-K, 2026-02-26 | $236M 10-K, 2025-02-27 | $189M 10-K, 2024-02-29 |
| Operating income | $158M 10-K, 2026-02-26 | $125M 10-K, 2026-02-26 | $85.4M 10-K, 2026-02-26 | $54.8M 10-K, 2025-02-27 | $46.4M 10-K, 2024-02-29 |
| SG&A | $24.5M 10-K, 2026-02-26 | $19.1M 10-K, 2026-02-26 | $17.4M 10-K, 2026-02-26 | $15.6M 10-K, 2025-02-27 | $12.8M 10-K, 2024-02-29 |
| Net income | $134M 10-K, 2026-02-26 | $109M 10-K, 2026-02-26 | $74.5M 10-K, 2026-02-26 | $45.4M 10-K, 2025-02-27 | $37.0M 10-K, 2024-02-29 |
Annual figures from XBRL in each company's own filings. Click a figure to open the filing. SG&A marked derived is general and administrative plus selling and marketing.
Leadership and board
| Name | Title | Source |
|---|---|---|
| Timothy W. Byrne | President and Chief Executive Officer | 8-K, 2026-10-30 |
| Michael L. Wiedemer Chief Financial Officer at United States Lime and Minerals, Inc. | Vice President and Chief Financial Officer | 10-Q, 2026-10-30 |
| John J. Gagnon | Vice President | 4, 2026-02-04 |
| Nathan O'Neill | Vice President | 4, 2026-02-04 |
| Timothy Wade Stone | Vice President | 4, 2026-02-04 |
What United States Lime & Minerals Inc does
United States Lime & Minerals, Inc. (the “Company,” the “Registrant,” “We” or “Our”), which was incorporated in 1950, conducts lime and limestone operations.
Item 1. Business, 10-K for the year ending December 31, 2025
Shares and governance
| Shares outstanding | 28.7 million (as of October 28, 2026) | 10-Q, October 30, 2026 |
|---|---|---|
| Public float | $1.1B (as of June 30, 2025) | 10-K, February 26, 2026 |
| Reportable segments | 1 (period ending September 30, 2026) | 10-Q, October 30, 2026 |
| Latest proxy statement | Meeting May 1, 2026 (filed March 27, 2026) | DEF 14A, March 27, 2026 |
| Auditor | Grant Thornton LLP (Dallas, Texas) | Latest 10-K |
Insider trades
Open-market buys and sales by officers and directors, from Forms 4 and 5. One row per filing.
| Date | Insider | Trade | Shares | Value | Source |
|---|---|---|---|---|---|
| September 9, 2026 | Antoine M. Doumet Director | Sale | 20,000 | $2.2M | Form 4, September 11, 2026 |
| March 3, 2026 | Sandra C. Duhe Director | Sale | 1,277 | $154K | Form 4, March 4, 2026 |
| September 4, 2025 | Timothy W. Byrne President & CEO | Sale | 39,525 | $4.8M | Form 4, September 5, 2025 |
Recent 8-K events
- 8-K filed 2026-10-30
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-07-29
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-05-04
- Item 5.07 Submission of matters to a vote of security holders
- 8-K filed 2026-04-29
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-02-02
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-10-29
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-07-30
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-05-05
- Item 5.07 Submission of matters to a vote of security holders
- 8-K filed 2025-04-30
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-02-03
- Item 2.02 Results of operations and financial condition (earnings release)
Frequently asked questions about United States Lime & Minerals Inc
- What does United States Lime & Minerals Inc do?
- In its own words, from Item 1 of its 10-K: "United States Lime & Minerals, Inc. (the “Company,” the “Registrant,” “We” or “Our”), which was incorporated in 1950, conducts lime and limestone operations."
- What is United States Lime & Minerals Inc's revenue?
- $373M for the fiscal year ending December 31, 2025, from its 10-K filed February 26, 2026.
- Is United States Lime & Minerals Inc profitable?
- United States Lime & Minerals Inc reported net income of $134M for the fiscal year ending December 31, 2025.
- How many employees does United States Lime & Minerals Inc have?
- About 346 as of December 31, 2025, as stated in its annual report.
- Who is the CEO of United States Lime & Minerals Inc?
- Timothy W. Byrne, President and Chief Executive Officer, as named in a 8-K filed October 30, 2026.
- Who is the CFO of United States Lime & Minerals Inc?
- Michael L. Wiedemer, Vice President and Chief Financial Officer, as named in a 10-Q filed October 30, 2026.
- Where is United States Lime & Minerals Inc headquartered?
- Dallas, TX.
- What is United States Lime & Minerals Inc's stock ticker?
- USLM on Nasdaq.
- What industry is United States Lime & Minerals Inc in?
- Mining & Quarrying of Nonmetallic Minerals (No Fuels), SIC code 1400.
- What is United States Lime & Minerals Inc's website?
- uslm.com.
- When does United States Lime & Minerals Inc report earnings next?
- January 31, 2027. Source: estimate_8k_pattern.
- Is United States Lime & Minerals Inc a public company?
- Yes. United States Lime & Minerals Inc files with the SEC under CIK 0000082020 and trades as USLM.
- Who audits United States Lime & Minerals Inc?
- Grant Thornton LLP, Dallas, Texas, as named in its latest annual report (10-K).
- How many shares of United States Lime & Minerals Inc are outstanding?
- 28.7 million shares as of October 28, 2026, from its 10-Q filed October 30, 2026.
- What is United States Lime & Minerals Inc's public float?
- $1.1B as of June 30, 2025, as reported on the cover of its 10-K filed February 26, 2026.
- How many business segments does United States Lime & Minerals Inc report?
- 1 reportable segment for the period ending September 30, 2026, from its 10-Q filed October 30, 2026.
- When is United States Lime & Minerals Inc's annual shareholder meeting?
- May 1, 2026, per its proxy statement (DEF 14A) filed March 27, 2026.
- Have United States Lime & Minerals Inc insiders traded stock recently?
- Since September 4, 2025, officers and directors reported 3 open-market sales worth about $7.1M and 0 purchases on Forms 4 and 5. The most recent: Antoine M. Doumet (Director) sold 20,000 shares on September 9, 2026.