PepGen (NASDAQ: PEPG) furnishes updated corporate presentation under Reg FD

Rhea-AI Filing Summary

PepGen Inc. furnished an updated corporate presentation as of October 1, 2025. The company submitted the revised presentation as Exhibit 99.1 under a Regulation FD disclosure, meaning it is being provided for informational purposes and is not treated as filed financial reporting. The presentation is incorporated by reference only if specifically cited in future documents and the company notes that its inclusion does not, by itself, indicate that the information is material.

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

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 01, 2025

PepGen Inc.

(Exact name of Registrant as Specified in Its Charter)

Delaware			001-41374	85-3819886
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
321 Harrison Avenue 8th Floor
Boston, Massachusetts				02118
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: (781) 797-0979

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common stock, par value $0.0001 per share		PEPG		Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01 Regulation FD Disclosure.

On October 1, 2025, PepGen Inc. (the “Company”) updated its Corporate Presentation, a copy of which is being furnished as Exhibit 99.1 and incorporated herein by reference.

The information in this Current Report on Form 8-K (including Exhibit 99.1 attached hereto) is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing. This Current Report on Form 8-K will not be deemed an admission as to the materiality of any information in this Item 7.01 (including Exhibit 99.1).

Item 9.01 Financial Statements and Exhibits.

Exhibit Number	Description
99.1	Corporate Presentation updated as of October 1, 2025
104	Cover Page Interactive Data File (embedded within Inline XBRL document)

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 hereunto duly authorized.

			PEPGEN INC.
Date:	October 1, 2025	By:	/s/ Noel Donnelly
			Noel Donnelly, Chief Financial Officer

FAQ

What did PepGen Inc. (PEPG) report in this 8-K filing?

PepGen Inc. furnished an updated Corporate Presentation as Exhibit 99.1, dated October 1, 2025, under Item 7.01 Regulation FD Disclosure.

Is PepGen Inc.'s updated corporate presentation considered filed financial information?

No. The company states the information in Item 7.01, including Exhibit 99.1, is furnished and not deemed filed for purposes of Section 18 of the Exchange Act.

Can the PepGen (PEPG) presentation be incorporated into other SEC filings?

It can be incorporated by reference into other filings under the Securities Act or Exchange Act only if expressly set forth by specific reference in those filings.

Does PepGen consider the updated presentation automatically material information?

No. PepGen states that this Form 8-K will not be deemed an admission as to the materiality of any information in Item 7.01 or Exhibit 99.1.

Who signed this PepGen Inc. (PEPG) 8-K filing?

The report was signed on behalf of PepGen Inc. by Noel Donnelly, its Chief Financial Officer, dated October 1, 2025.