UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

Under the Securities Exchange Act of 1934

For the month of June 2022

Commission File Number 001-40316

VECTIVBIO HOLDING AG

(Exact name of registrant as specified in its charter)

Aeschenvorstadt 36

4051 Basel

Switzerland

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

On June 9, 2022, VectivBio Holding AG published the invitation to its 2022 Annual General Meeting to be held on June 30, 2022. A copy of the invitation is furnished as Exhibit 99.1 hereto, and a copy of the press release announcing the publication of such invitation is furnished as Exhibit 99.2 hereto.

Exhibits
99.1	Invitation to the 2022 Annual General Meeting
99.2	Press Release dated June 9, 2022

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.

	VECTIVBIO HOLDING AG
June 9, 2022	By:	/s/ Claudia D’Augusta
		Claudia D’Augusta
		Chief Financial Officer