# EDGAR Filing Document

**Accession Number:** 0001526243
**File Stem:** 0001104659-26-001876
**Filing Date:** 2026-1
**Character Count:** 8618
**Document Hash:** 0bd180db47feb29911c1058b370428b8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-001876.hdr.sgml**: 20260107

**ACCESSION NUMBER**: 0001104659-26-001876

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260105

**FILED AS OF DATE**: 20260107

**DATE AS OF CHANGE**: 20260107

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Malmen Jeffrey L
- **CENTRAL INDEX KEY:** 0001445756

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39918
- **FILM NUMBER:** 26517062

**MAIL ADDRESS:**
- **STREET 1:** 1221 WEST IDAHO STREET
- **CITY:** BOISE
- **STATE:** ID
- **ZIP:** 83702
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PERPETUA RESOURCES CORP.
- **CENTRAL INDEX KEY:** 0001526243
- **STANDARD INDUSTRIAL CLASSIFICATION:** GOLD & SILVER ORES [1040]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** A1
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 405 S. 8TH STREET
- **CITY:** BOISE
- **STATE:** ID
- **ZIP:** 83702
- **BUSINESS PHONE:** 208-901-3060

**MAIL ADDRESS:**
- **STREET 1:** 405 S. 8TH STREET
- **CITY:** BOISE
- **STATE:** ID
- **ZIP:** 83702

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MIDAS GOLD CORP.
- **DATE OF NAME CHANGE:** 20110720

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Malmen Jeffrey L<br><sub>(Last) (First) (Middle)</sub><br>405 S. 8TH STREET, STE 201<br><sub>(Street)</sub><br>BOISE, ID 83702<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-01-05 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>PERPETUA RESOURCES CORP. [ PPTA ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Shares | 2026-01-05 |  | X |  | 20000 | A | 8.59<sup>(1)</sup> | 20000 | D |  |
| Common Shares | 2026-01-05 |  | X |  | 9500 | A | 8.59<sup>(1)</sup> | 29500 | D |  |
| Common Shares | 2026-01-05 |  | S |  | 10181 | D | 26.34<sup>(2)</sup> | 19319 | D |  |
| Common Shares | 2026-01-06 |  | S |  | 5000 | D | 26.57<sup>(3)</sup> | 14319 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Director and Employee Stock Option (right to buy) | 8.59<sup>(1)</sup> | 2026-01-05 |  | X |  |  | 20000 | <sup>(4)</sup> | 2026-01-20 | Common Shares | 20000 | $0 | 0 | D |  |
| Director and Employee Stock Option (right to buy) | 8.59<sup>(1)</sup> | 2026-01-05 |  | X |  |  | 9500 | <sup>(5)</sup> | 2026-01-20 | Common Shares | 9500 | $0 | 0 | D |  |

---

### Footnotes:

(1) The exercise price of the stock option of CAD $11.80 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00.

(2) The sale price of the stock option of CAD $36.18 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00. The sale price of CAD $36.18 is a weighted averageprice. These shares were sold in multiple transactions at prices ranging from CAD $36.05 to CAD $36.31, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of
Common Shares sold at each separate price within the range set forth in this footnote (2). These shares represent shares sold to cover option exercise price.

(3) The sale price of the stock option of CAD $36.50 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governances of the Federal Reserve System on January 2, 2026, of C$1.3738 = US$1.00. The sale price of CAD $36.50 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $36.41 to CAD $36.71, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of
Common Shares sold at each separate price within the range set forth in this footnote (3). These shares represent shares sold to cover payment of taxes relating to the option exercise.

(4) The stock option, representing a right to purchase a total of 20,000 Common Shares, became exercisable as to 5,000 Common Shares on January 20, 2021, as to 5,000 Common Shares on January 20, 2022, as to 5,000 Common Shares on January 20, 2023, and as to the remaining 5,000 on January 20, 2024.

(5) The stock option, representing a right to purchase a total of 9,500 Common Shares, became exercisable as to 2,375 Common Shares on January 20, 2021, as to 2,375 Common Shares on January 20, 2022, as to 2,375 Common Shares on January 20, 2023, and as to the remaining 2,375 on January 20, 2024.

**Signature:** /s/ Tanya Nelson, as attorney-in-fact for Jeffrey L Malmen  
**Date:** 2026-01-07

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**