Mckinsey Margaret Lyon - 05 Jan 2026 Form 4 Insider Report for PERPETUA RESOURCES CORP. (PPTA)

Reporting relationship: Officer
Issuer ticker: PPTA
Reported as of: 05 Jan 2026
Net transaction value: -$520,959
SEC form: 4
Accepted by SEC: 07 Jan 2026, 20:03:36 UTC
Prior SEC filing: 01 Apr 2025
Next SEC filing: 12 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Tanya Nelson, as attorney-in-fact for Mckinsey Margaret Lyon

Key filing fact

Mckinsey Margaret Lyon filed Form 4 for PERPETUA RESOURCES CORP. (PPTA) on 07 Jan 2026.

Key facts

This page summarizes Mckinsey Margaret Lyon's Form 4 filing for PERPETUA RESOURCES CORP. (PPTA).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 07 Jan 2026, 20:03.

Change

Previous filing in this sequence was filed on 01 Apr 2025.
Current net transaction value: -$520,959.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001902352 Primary reporting owner

Lyon Mckinsey Margaret

Relationship: Officer
Address: 405 S. 8TH STREET, STE 201, BOISE
Signature: /s/ Tanya Nelson, as attorney-in-fact for Mckinsey Margaret Lyon
Signature date: 07 Jan 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PPTA transaction

Common Shares

Exercise of in-the-money or at-the-money derivative security

Transaction value: $343,600
Shares: +40,000
Change %: +45%
Price: $8.59
Shares after: 129,154
Date: 05 Jan 2026
Ownership: Direct
Footnotes: F1

PPTA transaction

Common Shares

Sale

Transaction value: $864,559
Shares: -32,490
Change %: -25%
Price: $26.61
Shares after: 96,664
Date: 05 Jan 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

PPTA transaction Derivative

Director and Employee Stock Option (right to buy)

Exercise of in-the-money or at-the-money derivative security

Transaction value: $0
Shares: -40,000
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 05 Jan 2026
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 40,000
Exercise price: $8.59
Footnotes: F1, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

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.

Footnote F2

The sale price of the stock option of CAD $36.56 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 $36.56 is a weighted average price. These shares were sold in multiple transactions at prices ranging from CAD $36.38 to CAD $36.65, 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 include shares sold to cover option exercise price.

Footnote F3

The stock option, representing a right to purchase a total of 40,000 Common Shares, became exercisable as to 10,000 Common Shares on January 20, 2021, as to 10,000 Common Shares on January 20, 2022, as to 10,000 Common Shares on January 20, 2023, and as to the remaining 10,000 on January 20, 2024.

SEC remarks

4. Senior Vice President, External Affairs at Perpetua Resources Idaho, Inc., a wholly owned subsidiary of Perpetua Resources Corp.