# EDGAR Filing Document

**Accession Number:** 0001853860
**File Stem:** 0001171843-26-002352
**Filing Date:** 2026-4
**Character Count:** 5057
**Document Hash:** 96ac30ac7cc5685624d3776cc8484611
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001171843-26-002352.hdr.sgml**: 20260409

**ACCESSION NUMBER**: 0001171843-26-002352

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20260409

**FILED AS OF DATE**: 20260409

**DATE AS OF CHANGE**: 20260409

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Ero Copper Corp.
- **CENTRAL INDEX KEY:** 0001853860
- **STANDARD INDUSTRIAL CLASSIFICATION:** METAL MINING [1000]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** A1
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40459
- **FILM NUMBER:** 26851359

**BUSINESS ADDRESS:**
- **STREET 1:** 625 HOWE STREET, SUITE 1050
- **CITY:** VANCOUVER
- **STATE:** A1
- **ZIP:** V6C 2T6
- **BUSINESS PHONE:** 604-449-9236

**MAIL ADDRESS:**
- **STREET 1:** 625 HOWE STREET, SUITE 1050
- **CITY:** VANCOUVER
- **STATE:** A1
- **ZIP:** V6C 2T6

**UNITED STATES**<br>**SECURITIES AND EXCHANGE COMMISSION**<br>**Washington, D.C. 20549**

**Form 6-K**

**Report of Foreign Private Issuer <br>Pursuant to Rule 13a-16 or 15d-16 <br>under the Securities Exchange Act of 1934**

**For the month of April 2026**

<br> **Commission File Number: 001-40459**

<br> **Ero Copper Corp.**<br>(Translation of registrant's name into English)

**625 Howe Street, Suite 1050 <br> Vancouver, British Columbia V6C 2T6<br> Canada**<br>(Address of principal executive office)

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 [ ] &nbsp;&nbsp;&nbsp;&nbsp; Form 40-F [ X ]

Exhibit 99.1 of this Form 6-K is incorporated by reference as additional exhibit to the registrant's Registration Statement on Form S-8 (File NO. 333-264821) and Registration Statement on Form F-10 (File NO. 333-289969).

**Signatures**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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| | | |
|:---|:---|:---|
|  | **Ero Copper Corp.&nbsp;&nbsp;&nbsp;&nbsp;** | **Ero Copper Corp.&nbsp;&nbsp;&nbsp;&nbsp;** |
| Date: April 9, 2026 | By: | <u>/s/ Deepk Hundal&nbsp;&nbsp;&nbsp;&nbsp;</u> |
|  |  | Name: Deepk Hundal |
|  |  | Title: Executive Vice President, General Counsel and Corporate Secretary |

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**EXHIBIT INDEX**

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| | |
|:---|:---|
| <u>**Exhibit Number**</u> | <u>**Description**</u> |
| [99.1](exh_991.htm) | [Notice of Meeting and Record Date](exh_991.htm) |

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## Exhibit 99.1

**Exhibit 99.1**

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| | |
|:---|:---|
| April 09, 2026 | ![](complogo.jpg)<br> 510 Burrard Street, 3rd Floor<br> Vancouver BC, V6C 3B9<br> www.computershare.com |

---

To: All Canadian Securities Regulatory Authorities New York Stock Exchange

#### Subject: ERO COPPER CORP.
Dear Sir/Madam:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:

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| | |
|:---|:---|
| Meeting Type : | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Annual General and Special Meeting |
| Record Date for Notice of Meeting : | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;May 04, 2026 |
| Record Date for Voting (if applicable) : | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;May 04, 2026 |
| Beneficial Ownership Determination Date : | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;May 04, 2026 |
| Meeting Date : | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;June 29, 2026 |
| Meeting Location (if available) : | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Vancouver, BC |
| Issuer sending proxy related materials directly to NOBO: | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;No |
| Issuer paying for delivery to OBO: | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;No |
| **Notice and Access (NAA) Requirements:** |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NAA for Beneficial Holders | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Yes |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Beneficial Holders Stratification Criteria: | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not Applicable |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NAA for Registered Holders | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Yes |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Registered Holders Stratification Criteria: | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not Applicable |

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#### Voting Security Details:

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| | | |
|:---|:---|:---|
| **Description** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**CUSIP Number** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**ISIN** |
| COMMON SHARES | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;296006109 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CA2960061091 |

---

Sincerely,

#### Computershare
Agent for ERO COPPER CORP.