Alpha Profiles · Company Profile

UNITED STATES LIME & MINERALS INC

Canonical company identity and public leadership record.

https://registry.alpha.ac/companies/united-states-lime-minerals-inc

Entity: Public listing published
Primary listing: NASDAQ: USLM
Verification: Partially verified
Last reviewed: 2026-09-20T04:45:47.67395+00:00

Overview

Alpha's canonical identity and public leadership record for UNITED STATES LIME & MINERALS INC.

Canonical AEGIS identity graph

Executive leadership

Current, confirmed roles are shown only when both the person Profile and supporting source record satisfy the public projection boundary. A missing role is not evidence that it does not exist.

Executive team

5 public records

John J. Gagnon

Vice President – Business Development

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001104659-26-036078Mar 27, 2026

Michael L. Wiedemer

Vice President and Chief Financial Officer

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001104659-26-036078Mar 27, 2026

Nathan M. O'Neill

Vice President – Production

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001104659-26-036078Mar 27, 2026

Timothy W. Byrne

President and Chief Executive Officer

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001104659-26-036078Mar 27, 2026

Timothy W. Stone

Vice President – Sales and Marketing

State: confirmed
Effective: Date not stated
Confidence: 95%
Evidence: SEC DEF 14A 0001104659-26-036078Mar 27, 2026

Governance leadership

Boards & Committees

Board and committee assignments appear only when the canonical public projection retains a current role and supporting source. Unpublished records are not interpreted as absence.

Record as of Sep 20, 2026. Chair, executive office, Lead Independent Director and committee appointments retain their separate source roles. A complete board composition denominator and committee charters are not established by a partial roster.