Perpetua Resources (PPTA) officer acquires 5,282 shares from RSU vesting

Rhea-AI Filing Summary

PERPETUA RESOURCES CORP. officer Margaret Lyon Mckinsey reported the vesting and settlement of 5,282 Restricted Share Units (RSUs) on February 21, 2026. These RSUs were exercised at $0.00 per unit and settled in 5,282 Common Shares of the company.

The RSU balance recorded after the transaction was 29,325 RSUs, and the reporting person’s direct Common Share holdings increased to 151,028 shares. The vested RSUs come from a grant of 15,847 RSUs awarded on February 21, 2025, which vests in three equal annual installments.

Insider Trade Summary

5,282 shares exercised/converted

Mixed 2 txns

Insider Lyon Mckinsey Margaret

Role (See remarks (3))

Type	Security	Shares	Price	Value
Exercise	Restricted Share Units	5,282	$0.00	--
Exercise	Common Shares	5,282	$0.00	--

Holdings After Transaction: Restricted Share Units — 29,325 shares (Direct); Common Shares — 151,028 shares (Direct)

Footnotes (1)

1. A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs that vested on February 21, 2026 were settled in Common Shares of the Issuer. On February 21, 2025, the reporting person was granted 15,847 RSUs, which vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Lyon Mckinsey Margaret

(Last) (First) (Middle)

405 S. 8TH STREET, STE 201

(Street)

BOISE ID 83702

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PERPETUA RESOURCES CORP. [ PPTA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	(See remarks (3))

3. Date of Earliest Transaction (Month/Day/Year)
02/21/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares	02/21/2026		M		5,282	A	$0	151,028	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Units	(1)	02/21/2026		M			5,282	(2)	(2)	Common Shares	5,282(1)	$0	29,325	D

Explanation of Responses:

1. A restricted share unit ("RSU") entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs that vested on February 21, 2026 were settled in Common Shares of the Issuer.

2. On February 21, 2025, the reporting person was granted 15,847 RSUs, which vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

Remarks:

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

	/s/ Tanya Nelson, as attorney-in-fact for Mckinsey Lyon	02/24/2026
	** Signature of Reporting Person	Date
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.

FAQ

What did PERPETUA RESOURCES (PPTA) insider Margaret Lyon Mckinsey report on this Form 4?

The filing reports the vesting and settlement of 5,282 Restricted Share Units into 5,282 Common Shares on February 21, 2026. This reflects an equity compensation event, not an open-market purchase or sale.

Were the PPTA shares in this Form 4 bought or sold on the market?

No market transaction occurred. 5,282 RSUs vested and were settled in an equal number of Common Shares at $0.00 per share, reflecting an exercise or conversion of derivative securities, not a buy or sell trade.

How many PERPETUA RESOURCES common shares does the reporting person hold after this transaction?

After settlement, the reporting person directly holds 151,028 Common Shares. This total includes the 5,282 shares received from the vesting of Restricted Share Units on February 21, 2026, as disclosed in the Form 4.

What are the terms of the RSU grant reported by PERPETUA RESOURCES (PPTA)?

On February 21, 2025, the reporting person was granted 15,847 RSUs. These units vest ratably on each of the first three anniversaries of the grant date under the Perpetua Resources Corp. Omnibus Equity Incentive Plan.

How many Restricted Share Units remain after the reported vesting for PPTA?

Following the vesting of 5,282 RSUs on February 21, 2026, the Form 4 shows a remaining balance of 29,325 Restricted Share Units. These RSUs continue to represent potential future Common Shares, subject to their vesting terms.

Does this PERPETUA RESOURCES Form 4 indicate any stock sales by the insider?

The disclosure does not show any stock sales. It records an exercise or conversion of derivative securities where 5,282 RSUs were settled into 5,282 Common Shares at $0.00 per share, increasing direct ownership.