Company: SQM
Filing Date: 2025-06-12
Form Type: 6-K
Source: 0000909037-25-000030
Chunk: 0

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-06-12
Form: 6-K
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE

SECURITIES EXCHANGE ACT OF 1934

For the month of March, 2025.

Commission File Number 33-65728

CHEMICAL AND MINING COMPANY OF CHILE INC.

(Translation of registrant’s name into English)

El Trovador 4285, Santiago, Chile (562) 2425-2000

(Address of principal executive office)</div>

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F: ☒ Form 40-F

#### Santiago, Chile. June 12, 2025.-
Sociedad Química y Minera de Chile S.A. (SQM) (NYSE: SQM; Santiago Stock Exchange: SQM-B, SQM-A) reports the translation of its financial statements for the three months ended March 31, 2025, the Spanish version of which was filed with the Chilean Commission for the Financial Market ( Comisión para el Mercado Financiero or “CMF ”) on May 27, 2025.

### CONSOLIDATED INTERIM FINANCIAL STATEMENTS
<div align='center'>As of and for the period ended

March 31, 2025

Sociedad Química y Minera de Chile S.A. and subsidiaries

In thousands of United States dollars</div>

This document includes:

- Consolidated Interim Statements of Financial Position

- Consolidated Interim Statements of Income

- Consolidated Interim Statements of Comprehensive Income

- Consolidated Interim Statements of Cash Flows

- Consolidated Interim Statements of Changes in Equity

- Notes to the Consolidated Interim Financial Statements

<div align='center'>Table of Contents –Consolidated Financial Statements</div>

| Consolidated Interim Classified Statements of Financial Position                  |     |  1 |
| Consolidated Interim Classified Statements of Financial Position                  |     |  3 |
| Consolidated Interim Statements of Income                                         |     |  4 |
| Consolidated Interim Statements of Comprehensive Income                           |     |  6 |
| Consolidated Interim Statements of Changes in Equity