Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 25821 Industrial Blvd., Suite 100 Hayward, CA 94545 (Address of principal executive offices including zip code) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended June 30, 2022 OR ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended March 31, 2022 OR (Address of principal executive offices including zip code) ☐ Transmission Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from ______ to ______ (888) 276-6888 (Registrant's telephone number, including area code) Commis ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _________ Commission file number: 001-32046 Tivic Health Systems, Inc. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction ...