Silence Therapeutics (SLN) 10% Owner Richard Griffiths Sells Shares

What Happened

• Richard Ian Griffiths, reported as a 10% owner of Silence Therapeutics plc (SLN), reported multiple sales on 2026-08-10 totaling 5,484,320 shares. The transactions are reported as sales (code S) and were executed via open market or private sales. No sale prices or total dollar values are provided in the filing.
• The filing notes the securities were sold by several entities (Cream Capital Ltd., Blake Holdings Ltd., Ora Ventures Ltd., Ora Capital Ltd., Sarossa Plc, Pinkeys Ltd.) and by Mr. Griffiths personally. Mr. Griffiths is a director and controlling shareholder of the named entities and disclaims beneficial ownership of those securities except to the extent of his proportionate pecuniary interest.

Key Details

• Transaction date: 2026-08-10 (all listed sales). Filing date: 2026-08-13 (filed one business day late; Form 4 is normally due within two business days).
• Reported share totals: 2,792,826; 100,000; 50,000; 3,500; 800,000; 382,000; 470,820; 605,174; 120,000; 60,000; 100,000 — aggregate 5,484,320 shares.
• Prices and total dollar amounts: Not disclosed (listed as N/A in the filing).
• Shares owned after the transactions: Not specified in the provided filing data.
• Notable footnotes:
  • F1: Each American Depositary Share (ADS) is immediately convertible into three ordinary shares for no consideration and has no expiration date.
  • F2: Sales were executed by the listed affiliated companies and Mr. Griffiths; he disclaims beneficial ownership except for any pecuniary interest.

Context

• This filing involves a 10% owner and controlling shareholder of several selling entities. Trades by large shareholders or affiliated entities can reflect portfolio reallocation or financing needs rather than routine executive trading—no motive is stated in the filing.
• Because sale prices and post-transaction holdings are not provided, retail investors cannot infer the dollar amount or the change in Mr. Griffiths’s overall stake from this Form 4 alone.