PDAC Peridot Acquisition Corp

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 April, 2022.

Commission File Number 001-40733

LI-CYCLE HOLDINGS CORP.

Li-Cycle Holdings Corp.

207 Queen’s Quay West, Suite 590

Toronto, ON M5J 1A7

(877) 542-9253

Indicate by check mark whether the registrant files or will file annual reports under cover of 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):  ☐

Exhibits

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