Silence Therapeutics Plc American Depository Share (SLN)
Nasdaq: SLN · Pharmaceutical Preparations · London · filing with the SEC since 2010
Who owns Silence Therapeutics Plc American Depository Share
As filed with the SECHolders of 5% or more
3
Richard Griffiths holds 7.97% of Ordinary Shares, nominal value of PS0.05 per share, as its SCHEDULE 13D/A filed Aug 13, 2026 says.
Directors and officers
6
report now, of 8 people on the record since 2025. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Richard Griffiths
SCHEDULE 13D/A · filed Aug 13, 2026 · Ordinary Shares, nominal value of PS0.05 per share · 21.7% in Jul 8, 2026
Raymond Debbane
SCHEDULE 13G/A · filed Aug 13, 2026 · Ordinary share, nominal value 0.05 GBP per share
Tetragon Financial Group Limited
SCHEDULE 13G/A · filed Oct 13, 2026 · Ordinary Shares, nominal value 0.05 GBP per share · 5.2% in Oct 13, 2026
Redmile Group, LLC
SCHEDULE 13G/A · filed May 15, 2025 · Ordinary Shares, nominal value GBP 0.05 per share · reported falling below 5%, from 5.1% in Feb 14, 2025
Lombard Odier Asset Management (USA) Corp
SCHEDULE 13G/A · filed Feb 9, 2026 · Ordinary Shares, par value GBP 0.05 per share (the "Shares") · reported falling below 5%, from 7.6% in Feb 11, 2025
What SLN reports owning in othersstakes of 5% or more, and other ties
Silence Therapeutics Plc American Depository Share reports no stake in another company in the record.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
No open-market trade is on the record for these years.
Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.