Amendment: SEC Form SC 13G/A filed by PepGen Inc.

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SC 13G/A 1 sayw24111427_13ga.htm

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d-

1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2

UNDER THE SECURITIES EXCHANGE ACT OF 1934*

(Amendment No. 3)

PepGen Inc.

(Name of Issuer)

Common Stock, $0.0001 par value per share

(Title of Class of Securities)

713317105

(CUSIP Number)

September 30, 2024

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐ Rule 13d-1(b)

☒ Rule 13d-1(c)

☐ Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes)

CUSIP No. 713317105

13G

Page 2 of 19 Pages

1	NAMES OF REPORTING PERSONS
	Viking Global Investors LP

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b☒
3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0

		6	SHARED VOTING POWER
			1,482,434*

		7	SOLE DISPOSITIVE POWER
			0

		8	SHARED DISPOSITIVE POWER
			1,482,434*

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,482,434*

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	4.5%*

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	PN

* See Item 4

CUSIP No. 713317105

13G

Page 3 of 19 Pages

1	NAMES OF REPORTING PERSONS
	Viking Global Opportunities Parent GP LLC

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b☒
3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0

		6	SHARED VOTING POWER
			1,482,434*

		7	SOLE DISPOSITIVE POWER
			0

		8	SHARED DISPOSITIVE POWER
			1,482,434*

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,482,434*

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	4.5%*

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

* See Item 4

CUSIP No. 713317105

13G

Page 4 of 19 Pages

1	NAMES OF REPORTING PERSONS
	Viking Global Opportunities GP LLC

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b☒
3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0

		6	SHARED VOTING POWER
			1,482,434*

		7	SOLE DISPOSITIVE POWER
			0

		8	SHARED DISPOSITIVE POWER
			1,482,434*

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,482,434*

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	4.5%*

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

* See Item 4

CUSIP No. 713317105

13G

Page 5 of 19 Pages

1	NAMES OF REPORTING PERSONS
	Viking Global Opportunities Portfolio GP LLC

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b☒
3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0

		6	SHARED VOTING POWER
			1,482,434*

		7	SOLE DISPOSITIVE POWER
			0

		8	SHARED DISPOSITIVE POWER
			1,482,434*

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,482,434*

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	4.5%*

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

* See Item 4

CUSIP No. 713317105

13G

Page 6 of 19 Pages

1	NAMES OF REPORTING PERSONS
	Viking Global Opportunities Illiquid Investments Sub-Master LP

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b☒
3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0

		6	SHARED VOTING POWER
			1,482,434*

		7	SOLE DISPOSITIVE POWER
			0

		8	SHARED DISPOSITIVE POWER
			1,482,434*

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,482,434*

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	4.5%*

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	PN

* See Item 4

CUSIP No. 713317105

13G

Page 7 of 19 Pages

1	NAMES OF REPORTING PERSONS
	KAVRA 16 LLC

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b☒
3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0

		6	SHARED VOTING POWER
			1,030,680*

		7	SOLE DISPOSITIVE POWER
			0

		8	SHARED DISPOSITIVE POWER
			1,030,680*

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,030,680*

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	3.2%*

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	PN

* See Item 4

CUSIP No. 713317105

13G

Page 8 of 19 Pages

1	NAMES OF REPORTING PERSONS
	O. Andreas Halvorsen

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b☒
3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Norway

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0

		6	SHARED VOTING POWER
			1,482,434*

		7	SOLE DISPOSITIVE POWER
			0

		8	SHARED DISPOSITIVE POWER
			1,482,434*

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,482,434*

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	4.5%*

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN

* See Item 4

CUSIP No. 713317105

13G

Page 9 of 19 Pages

1	NAMES OF REPORTING PERSONS
	David C. Ott

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b☒
3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0

		6	SHARED VOTING POWER
			1,482,434*

		7	SOLE DISPOSITIVE POWER
			0

		8	SHARED DISPOSITIVE POWER
			1,482,434*

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,482,434*

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	4.5%*

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN

* See Item 4

CUSIP No. 713317105

13G

Page 10 of 19 Pages

1	NAMES OF REPORTING PERSONS
	Rose S. Shabet

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☐
	(b☒
3	SEC USE ONLY


4	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0

		6	SHARED VOTING POWER
			1,482,434*

		7	SOLE DISPOSITIVE POWER
			0

		8	SHARED DISPOSITIVE POWER
			1,482,434*

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,482,434*

10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐

11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	4.5%*

12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN

* See Item 4

CUSIP No. 713317105

13G

Page 11 of 19 Pages

Item 1(a).

Name of Issuer:

PepGen Inc. (the “Issuer”)

Item 1(b).

Address of Issuer’s Principal Executive Offices:

321 Harrison Ave. 8th Floor, Boston, Massachusetts, 02118

Item 2(a).

Name of Person Filing:

Viking Global Investors LP (“VGI”),

Viking Global Opportunities Parent GP LLC (“Opportunities Parent”),

Viking Global Opportunities GP LLC (“Opportunities GP”),

Viking Global Opportunities Portfolio GP LLC (“Opportunities Portfolio GP”),

Viking Global Opportunities Illiquid Investments Sub-Master LP (“VGOP”),

KAVRA 16 LLC (“KAVRA 16”),

O. Andreas Halvorsen, David C. Ott and Rose S. Shabet (collectively, the “Reporting Persons”)

Item 2(b).

Address of Principal Business Office or, if none, Residence:

The business address of each of the Reporting Persons is: 600 Washington Blvd., Floor 11, Stamford, Connecticut 06901.

Item 2(c).

Citizenship:

VGI is a Delaware limited partnership; Opportunities Parent, Opportunities GP, Opportunities Portfolio GP and KAVRA 16 are Delaware limited liability companies; VGOP is a Cayman Islands exempted limited partnership; O. Andreas Halvorsen is a citizen of Norway; and David C. Ott and Rose S. Shabet are citizens of the United States.

Item 2(d).

Titles of Classes of Securities:

Common stock, $0.0001 par value per share (“Common Stock”)

Item 2(e).

CUSIP NUMBER: 713317105

Item 3.

If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:

(a)

☐ Broker or dealer registered under Section 15 of the Exchange Act

(b)

☐ Bank as defined in Section 3(a)(6) of the Exchange Act

(c)

☐ Insurance company as defined in Section 3(a)(19) of the Exchange Act

(d)

☐ Investment company registered under Section 8 of the Investment Company Act of 1940

CUSIP No. 713317105

13G

Page 12 of 19 Pages

(e)

☐ Investment Adviser registered under Section 203 of the Investment Advisers Act of 1940: see Rule 13d-1(b)(1)(ii)(E)

(f)

☐ Employee Benefit Plan, Pension Fund which is subject to the provisions of the Employee Retirement Income Security Act of 1974 or Endowment Fund; see Rule 13d-1(b)(1)(ii)(F)

(g)

☐ Parent holding company, in accordance with Rule 13d-1(b)(1)(ii)(G).

(h)

☐ Savings Association as defined in Section 3(b) of the Federal Deposit Insurance Act.

(i)

☐ Church Plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940.

(j)

☐ Non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k)

☐ Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

Item 4.

Ownership:

The percentages set forth herein are based on 32,589,702 shares of Common Stock outstanding as of August 1, 2024, as reported by the Issuer in its quarterly report on Form 10-Q, filed with the U.S. Securities and Exchange Commission (the “Commission”) on August 8, 2024.

VGI

(a)

Amount beneficially owned: 1,482,434

(b)

Percent of Class: 4.5%

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote: 0

(ii)

Shared power to vote or to direct the vote: 1,482,434

(iii)

Sole power to dispose or to direct the disposition of: 0

(iv)

Shared power to dispose or to direct the disposition of: 1,482,434

VGI provides managerial services to VGOP and KAVRA 16. VGI has the authority to dispose of and vote the shares of Common Stock directly held by VGOP and KAVRA 16.

Based on Rule 13d-3 of the Act, VGI may be deemed to beneficially own the shares of Common Stock directly held by VGOP and KAVRA 16. VGI does not directly own any shares of Common Stock.

VGI beneficially owns 1,482,434 shares of Common Stock consisting of (i) 451,754 shares of Common Stock directly and beneficially owned by VGOP and (ii) 1,030,680 shares of Common Stock directly and beneficially owned by KAVRA 16.

CUSIP No. 713317105

13G

Page 13 of 19 Pages

Opportunities Parent

(a)

Amount beneficially owned: 1,482,434

(b)

Percent of Class: 4.5%

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote: 0

(ii)

Shared power to vote or to direct the vote: 1,482,434

(iii)

Sole power to dispose or to direct the disposition of: 0

(iv)

Shared power to dispose or to direct the disposition of: 1,482,434

Opportunities Parent is the sole member of Opportunities GP, which has the authority to dispose of and vote the shares of Common Stock controlled by Opportunities Portfolio GP, which consists of the shares of Common Stock directly held by VGOP and KAVRA 16. Opportunities Parent does not directly own any shares of Common Stock.

Based on Rule 13d-3 of the Act, Opportunities Parent may be deemed to beneficially own the shares of Common Stock directly held by VGOP and KAVRA 16.

Opportunities Parent beneficially owns 1,482,434 shares of Common Stock consisting of (i) 451,754 shares of Common Stock directly and beneficially owned by VGOP and (ii) 1,030,680 shares of Common Stock directly and beneficially owned by KAVRA 16.

Opportunities GP

(a)

Amount beneficially owned: 1,482,434

(b)

Percent of Class: 4.5%

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote: 0

(ii)

Shared power to vote or to direct the vote: 1,482,434

(iii)

Sole power to dispose or to direct the disposition of: 0

(iv)

Shared power to dispose or to direct the disposition of: 1,482,434

CUSIP No. 713317105

13G

Page 14 of 19 Pages

Opportunities GP serves as the sole member of Opportunities Portfolio GP and has the authority to dispose of and vote the shares of Common Stock controlled by Opportunities Portfolio GP, which consists of the shares of Common Stock directly held by VGOP and KAVRA 16. Opportunities GP does not directly own any shares of Common Stock.

Based on Rule 13d-3 of the Act, Opportunities GP may be deemed to beneficially own the shares of Common Stock directly held by VGOP and KAVRA 16.

Opportunities GP beneficially owns 1,482,434 shares of Common Stock consisting of (i) 451,754 shares of Common Stock directly and beneficially owned by VGOP and (ii) 1,030,680 shares of Common Stock directly and beneficially owned by KAVRA 16.

Opportunities Portfolio GP

(a)

Amount beneficially owned: 1,482,434

(b)

Percent of Class: 4.5%

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote: 0

(ii)

Shared power to vote or to direct the vote: 1,482,434

(iii)

Sole power to dispose or to direct the disposition of: 0

(iv)

Shared power to dispose or to direct the disposition of: 1,482,434

Opportunities Portfolio GP serves as the general partner of VGOP, which is the sole member of KAVRA 16, and has the authority to dispose of and vote the shares of Common Stock directly owned by VGOP and KAVRA 16. Opportunities Portfolio GP does not directly own any shares of Common Stock.

Based on Rule 13d-3 of the Act, Opportunities Portfolio GP may be deemed to beneficially own the shares of Common Stock directly held by VGOP and KAVRA 16.

Opportunities Portfolio GP beneficially owns 1,482,434 shares of Common Stock consisting of (i) 451,754 shares of Common Stock directly and beneficially owned by VGOP and (ii) 1,030,680 shares of Common Stock directly and beneficially owned by KAVRA 16.

CUSIP No. 713317105

13G

Page 15 of 19 Pages

VGOP

(a)

Amount beneficially owned: 1,482,434

(b)

Percent of Class: 4.5%

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote: 0

(ii)

Shared power to vote or to direct the vote: 1,482,434

(iii)

Sole power to dispose or to direct the disposition of: 0

(iv)

Shared power to dispose or to direct the disposition of: 1,482,434

VGOP has the authority to dispose of and vote the shares of Common Stock directly held by it, which power may be exercised by its general partner, Opportunities Portfolio GP, and by VGI, an affiliate of Opportunities Portfolio GP, which provides managerial services to VGOP.

Viking Global Opportunities LP (a Delaware limited partnership) and Viking Global Opportunities III LP (a Cayman Islands exempted limited partnership), through its investment in Viking Global Opportunities Intermediate LP (a Cayman Islands exempted limited partnership), invest substantially all of their assets in Viking Global Opportunities Master LP (a Cayman Islands exempted limited partnership), which in turn invests through VGOP.

KAVRA 16

(a)

Amount beneficially owned: 1,030,680

(b)

Percent of Class: 3.2%

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote: 0

(ii)

Shared power to vote or to direct the vote: 1,030,680

(iii)

Sole power to dispose or to direct the disposition of: 0

(iv)

Shared power to dispose or to direct the disposition of: 1,030,680

KAVRA 16 has the authority to dispose of and vote the shares of Common Stock directly owned by it, which power may be exercised by Opportunities Portfolio GP, and by VGI, an affiliate of Opportunities Portfolio GP, which provides managerial services to KAVRA 16. The membership interests of KAVRA 16 are held by VGOP. Opportunities Portfolio GP is the general partner of VGOP.

CUSIP No. 713317105

13G

Page 16 of 19 Pages

O. Andreas Halvorsen, David C. Ott and Rose S. Shabet

(a)

Amount beneficially owned: 1,482,434

(b)

Percent of Class: 4.5%

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote: 0

(ii)

Shared power to vote or to direct the vote: 1,482,434

(iii)

Sole power to dispose or to direct the disposition of: 0

(iv)

Shared power to dispose or to direct the disposition of: 1,482,434

Mr. Halvorsen, Mr. Ott and Ms. Shabet, as Executive Committee Members of Viking Global Partners LLC (general partner of VGI) and Opportunities Parent, have shared authority to dispose of and vote the shares of Common Stock beneficially owned by VGI and Opportunities Parent. None of Mr. Halvorsen, Mr. Ott and Ms. Shabet directly owns any shares of Common Stock.

Based on Rule 13d-3 of the Act, each may be deemed to beneficially own the shares of Common Stock directly held by VGOP and KAVRA 16.

Mr. Halvorsen, Mr. Ott and Ms. Shabet each beneficially own 1,482,434 shares of Common Stock consisting of (i) 451,754 shares of Common Stock directly and beneficially owned by VGOP and (ii) 1,030,680 shares of Common Stock directly and beneficially owned by KAVRA 16.

Item 5.

Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owners of more than five percent of the class of securities, check the following ☒.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person.

The response to Item 4 is incorporated by reference herein.

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company.

Not applicable.

Item 8.

Identification and Classification of Members of the Group.

Not applicable.

Item 9.

Notice of Dissolution of Group.

Not applicable.

CUSIP No. 713317105

13G

Page 17 of 19 Pages

Item 10.

Certification. (if filing pursuant to Rule 13d-1(c))

By signing below each Reporting Person certifies that, to the best of its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

CUSIP No. 713317105

13G

Page 18 of 19 Pages

SIGNATURES

After reasonable inquiry and to the best of our knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.

Dated: November 14, 2024

	By:	/s/ Scott M. Hendler
	Name:	Scott M. Hendler on behalf of O. Andreas Halvorsen (1)

	By:	/s/ Scott M. Hendler
	Name:	Scott M. Hendler on behalf of David C. Ott (2)

	By:	/s/ Scott M. Hendler
	Name:	Scott M. Hendler on behalf of Rose S. Shabet (3)

(1) Scott M. Hendler is signing on behalf of O. Andreas Halvorsen, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP (for itself and as manager of KAVRA 16 LLC), and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, and VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Halvorsen on February 12, 2021 (SEC File No. 005-49737).

(2) Scott M. Hendler is signing on behalf of David C. Ott, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP (for itself and as manager of KAVRA 16 LLC), and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, and VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Ott on February 12, 2021 (SEC File No. 005-49737).

(3) Scott M. Hendler is signing on behalf of Rose S. Shabet, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP (for itself and as manager of KAVRA 16 LLC), and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, and VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Ms. Shabet on February 12, 2021 (SEC File No. 005-49737).

CUSIP No. 713317105

13G

Page 19 of 19 Pages

EXHIBIT A - JOINT FILING AGREEMENT

This joint filing agreement is made and entered into as of this 14th day of November, 2024, by and among Viking Global Investors LP, Viking Global Opportunities Parent GP LLC, Viking Global Opportunities GP LLC, Viking Global Opportunities Portfolio GP LLC, Viking Global Opportunities Illiquid Investments Sub-Master LP, KAVRA 16 LLC, O. Andreas Halvorsen, David C. Ott and Rose S. Shabet.

The parties to this Agreement hereby agree to prepare jointly and file timely (and otherwise to deliver as appropriate) all filings on any Forms 3, 4, or 5 or Schedules 13D or 13G, and any and all amendments thereto and any other documents relating thereto (collectively, the “Filings”) as required to be filed pursuant to the Securities Exchange Act of 1934, as amended. The parties to this Agreement further agree and covenant that each will fully cooperate with such other parties in the preparation, timely filing, and delivery of all such Filings.

IN WITNESS WHEREOF, the parties hereto have executed this agreement as of the date first set forth above.

Dated: November 14, 2024

	By:	/s/ Scott M. Hendler
	Name:	Scott M. Hendler on behalf of O. Andreas Halvorsen (1)

	By:	/s/ Scott M. Hendler
	Name:	Scott M. Hendler on behalf of David C. Ott (2)

	By:	/s/ Scott M. Hendler
	Name:	Scott M. Hendler on behalf of Rose S. Shabet (3)

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Date	Price Target	Rating	Analyst
12/16/2024	$3.00	Neutral → Underperform	BofA Securities
7/31/2024	$12.00	Buy → Neutral	BofA Securities
12/21/2022	$26.00	Buy	H.C. Wainwright

Amendment: SEC Form SC 13G/A filed by PepGen Inc.

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Recent Analyst Ratings for $PEPG

$PEPG Press Releases

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PepGen Appoints Kasra Kasraian, PhD, as Chief Technology Officer

PepGen Reports First Quarter 2025 Financial Results and Recent Corporate Highlights

PepGen to Present at the 24th Annual Needham Virtual Healthcare Conference

$PEPG Leadership Updates

Live Leadership Updates

PepGen Appoints Kasra Kasraian, PhD, as Chief Technology Officer

PepGen Announces Appointment of Two New Directors to its Board

PepGen Appoints Paul Streck, M.D., MBA, as Executive Vice President, Head of Research & Development

$PEPG Large Ownership Changes

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Amendment: SEC Form SC 13G/A filed by PepGen Inc.

SEC Form SC 13G filed by PepGen Inc.

Amendment: SEC Form SC 13G/A filed by PepGen Inc.

$PEPG Insider Purchases

Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

President and CEO Mcarthur James G bought $13,550 worth of shares (10,000 units at $1.35), increasing direct ownership by 10% to 113,913 units (SEC Form 4)

President and CEO Mcarthur James G bought $47,725 worth of shares (41,500 units at $1.15), increasing direct ownership by 66% to 103,913 units (SEC Form 4)

Oxford Science Enterprises Plc bought $10,559,640 worth of shares (879,970 units at $12.00), increasing direct ownership by 23% to 4,755,388 units (SEC Form 4) (Amendment)

$PEPG Analyst Ratings

Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

PepGen downgraded by BofA Securities with a new price target

PepGen downgraded by BofA Securities with a new price target

H.C. Wainwright initiated coverage on PepGen with a new price target

$PEPG SEC Filings

Amendment: SEC Form SCHEDULE 13G/A filed by PepGen Inc.

Amendment: SEC Form SCHEDULE 13G/A filed by PepGen Inc.

PepGen Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits

$PEPG Insider Trading

Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

Chief Technical Officer Kasraian Kasra was granted 16,750 shares (SEC Form 4)

SEC Form 3 filed by new insider Kasraian Kasra

President and CEO Mcarthur James G bought $13,550 worth of shares (10,000 units at $1.35), increasing direct ownership by 10% to 113,913 units (SEC Form 4)

$PEPG Financials

Live finance-specific insights

PepGen Announces Positive Initial Results, Including Robust Splicing Correction, from Ongoing FREEDOM-DM1 Trial in Patients with DM1

PepGen Announces Positive Data from Low-Dose Cohort of PGN-EDO51 in Ongoing CONNECT1-EDO51 Phase 2 Clinical Trial for Treatment of Duchenne Muscular Dystrophy

PepGen to Host Fourth Quarter and Full Year 2022 Financial Results Call

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Insider Trading

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