Company: SQM
Filing Date: 2025-04-24
Form Type: 6-K
Source: 0000909037-25-000015
Chunk: 0

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-04-24
Form: 6-K
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION
<div align='center'>Washington, D.C. 20549</div>

#### Form 6-K
<div align='center'>REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE

SECURITIES EXCHANGE ACT OF 1934

For the month of April 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:_ X _ Form 40-F

### SQM FILES TECHNICAL REPORT SUMMARIES

#### Santiago, Chile, April 23, 2025 –
Sociedad Química y Minera de Chile S.A. ( SQM or the “Company”) issued technical report summaries for Salar de Atacama, the Nueva Victoria property, the Pampa Blanca property, and the Mount Holland lithium project (the “Technical Report Summaries”). The Technical Report Summaries are filed as Exhibits 96.1, 96.2, 96.3, 96.5 respectively, to this Report on Form 6-K and incorporated herein by reference.

#### Exhibits
| 23.3 |     | Consent of Marco Fazzi, SQM, regarding the Nueva Victoria property Technical Report Summary           |
| 23.4 |     | Consent of Freddy Ildefonso, SQM, regarding the Nueva Victoria property Technical Report Summary      |
| 23.5 |     | Consent of Gino Slanzi, SQM, regarding the Nueva Victoria property Technical Report Summary           |
| 23.6 |     | Consent of Marco Fazzi, SQM, regarding the Pampa Blanca property Technical Report Summary             |
| 23.7 |     | Consent of Freddy Ildefonso, SQM, regarding the Pampa Blanca property Technical Report Summary        |
| 23.8 |     | Consent of Gino Slanzi, SQM, regarding the Pampa Blanca property Technical Report Summary             |
| 96.2 |     | Technical Report Summary regarding the N