[8-K] Personalis, Inc. Reports Material Event

Rhea-AI Filing Summary

Personalis, Inc. (PSNL) furnished an 8-K under Item 2.02 announcing it issued a press release with financial results for the quarter ended September 30, 2025.

The full text of the release is provided as Exhibit 99.1 and is incorporated herein by reference. The information, including Exhibit 99.1, is furnished and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, nor incorporated by reference into other Securities Act or Exchange Act filings except as expressly set forth by specific reference.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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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): November 4, 2025

Personalis, Inc.

(Exact name of Registrant as Specified in Its Charter)

Delaware	001-38943	27-5411038
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)
6600 Dumbarton Circle Fremont, California		94555
(Address of Principal Executive Offices)		(Zip Code)

(650) 752-1300

Registrant’s Telephone Number, Including Area Code

Not Applicable

(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 (see General Instructions A.2. below):

☐ 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, $0.0001 par value per share		PSNL		The Nasdaq Global 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 2.02 Results of Operations and Financial Condition.

On November 4, 2025, Personalis, Inc. issued a press release announcing its financial results for the quarter ended September 30, 2025. The full text of the press release is furnished as Exhibit 99.1 to this report on Form 8-K and is incorporated herein by reference.

The information in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933 or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit Number		Description
99.1		Press release of Personalis, Inc., dated November 4, 2025.
104		Cover Page Interactive Data File (embedded within the 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 thereunto duly authorized.

Date: November 4, 2025		Personalis, Inc.
		By:	/s/ Aaron Tachibana
			Aaron Tachibana
			Chief Financial Officer and Chief Operating Officer

FAQ

What did Personalis (PSNL) announce in this 8-K?

The company furnished a press release with financial results for the quarter ended September 30, 2025, as Exhibit 99.1.

Which period do the PSNL results cover?

The results cover the quarter ended September 30, 2025.

How is the information treated for SEC purposes?

The information is furnished, not filed, and is not subject to Section 18 liability.

Is Exhibit 99.1 incorporated by reference?

It is incorporated herein by reference, but not into other filings unless expressly set forth by specific reference.

Where can I find the detailed results for PSNL?

The detailed results are in Exhibit 99.1, the press release furnished with the 8-K.

What is Personalis’s trading symbol and exchange?

PSNL on The Nasdaq Global Market.