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 May 2021

Commission File Number: 001-39487

Silence Therapeutics plc

(Exact Name of Registrant as Specified in Its Charter)

72 Hammersmith Road

London W14 8TH

United Kingdom

(Address of principal executive offices)

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):  ☐

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):  ☐

Furnished as Exhibit 99.1 to this Report on Form 6-K is a press release of Silence Therapeutics plc dated May 25, 2021. The information contained in Exhibit 99.1 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, unless expressly set forth by specific reference in such a filing.

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press release, dated May 25, 2021, “Silence Therapeutics Receives Remaining $40 Million from AstraZeneca as Part of Upfront Investment for Ongoing siRNA Collaboration”

SIGNATURE

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.

Silence Therapeutics plc
By:	/s/ Mark Rothera
	Name: Mark Rothera
	Title: President and Chief Executive Officer

Date: May 25, 2021