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): April 22, 2026

Tivic Health Systems, Inc.

(Exact name of Registrant as Specified in Its Charter)

(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:

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 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On April 22, 2026, Tivic Health Systems, Inc. (the “Company”) filed a certificate of amendment (“Certificate of Amendment”) to its amended and restated certificate of incorporation filed with the Delaware Secretary of State to change its corporate name to Valion Bio, Inc. (the “Name Change”), effective as of April 28, 2026. Pursuant to Delaware law, a shareholder vote was not necessary to effectuate the Name Change and it does not affect the rights of the Company’s shareholders.

The Company intends for its common stock, par value $0.0001 per share, to cease trading under the ticker symbol ‘TIVC’ and begin trading under its new ticker symbol ‘VBIO’ on The Nasdaq Capital Market LLC, which the Company expects to be effective on April 28, 2026.

A copy of the Company’s Certificate of Amendment is filed as Exhibit 3.1, with this Current Report on Form 8-K and is incorporated herein by reference.

On April 23, 2026, the Company issued a press release announcing the Name Change. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

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.