Company: SQM
Filing Date: 2025-08-25
Form Type: 6-K
Source: 0000909037-25-000032
Chunk: 0

Company: CHEMICAL & MINING CO OF CHILE INC
Filing Date: 2025-08-25
Form: 6-K
Chunk 0
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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION
<div align='center'>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 June2025.

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

| Highlights                                                                                                                                                                                       |
| •SQM reported total revenues for the six months ended June 30, 2025 of US$2,079.3 million compared to total revenues of  US$2,378.1 million for the same period last year.                       |
| •Net income for the six months ended June 30, 2025 of US$226.0 million or US$0.79 per share, compared to net loss(1)of  US$(655.9) million or US$(2.30) per share for the same period last year. |
| •Continue to observe record- high iodine sales price                                                                                                                                             |
| •Strong price environment in SPN and Potassium businesses                                                                                                                                        |
| •Increasing sales volumes for the coming months from the International Lithium Division and completion of the Kwinana refinery                                                                   |
| SQM will hold a conference call to discuss these results on Wednesday, August  20, 2025 at 12:00pm EDT (12:00pm Chile time).                                                                     |
| Participant Call link: https://register-conf.media-server.com/register/BI096c4f4e6f094d1db8eba9c6ed4a9bbd                                                                                        |
| Webcast: https://edge.media-server.com/mmc/p/2zir238k                                                                                                                                            |

Santiago, Chile. August 19, 2025. - Sociedad Química y Minera de Chile S.A. (SQM) (NYSE: SQM; Santiago Stock Exchange: SQM-B, SQM-A) reported today net income for the six