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Silence Therapeutics plc

SLNCF
Exchange
OTC
Industry
Pharmaceutical Preparations
SEC CIK
0001479615

No open-market purchases or sales by Silence Therapeutics plc insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.

Other share classesSLN

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Silence Therapeutics plc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
0 filings
Insiders trading
0
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Silence Therapeutics plc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Silence Therapeutics plc
NameTitleLast reported holdingLast filingFilings, past year
Griffiths Richard Ian10% Owner–Aug 13, 20263
McInerney TimothyDirector–Jan 6, 20261
Romano Steven J.EVP and Chief R&D Officer–Jan 6, 20261
Lemus DavidDirector–Jan 6, 20261
Hellums Rhonda LynetteChief Financial Officer–Jan 6, 20261
Ede-Golightly JamesDirector–Jan 6, 20262
Ross IainInterim PEO–Dec 22, 20251
Tooman Craig APresident and CEO–Jan 6, 20250
Davidson Michael H.Director–Jan 6, 20250

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 13, 2026 (view filing)10:07 AM ETAug 103 daysLateGriffiths Richard Ian10% OwnerSSale+16.5M–––4.80M afterDerivative11 lots
Jul 7, 2026 (view filing)9:09 AM ETJun 29-Jul 68 daysLateGriffiths Richard Ian10% OwnerSSale+4.63M–––10.3M afterDerivative6 lots
Feb 13, 2026 (view filing)Aug 3-Oct 27, 2025194 daysLateGriffiths Richard Ian10% OwnerSSale+66.0K–––11.8M afterDerivative2 lots
Feb 13, 2026 (view filing)Aug 3-Oct 27, 2025194 daysLateGriffiths Richard Ian10% OwnerPPurchase+66.0K–––11.8M afterDerivative2 lots
Aug 4, 2025 (view filing)Jul 31-Aug 14 daysGriffiths Richard Ian10% OwnerPPurchase+55.1K–––11.8M afterDerivative2 lots
Jul 31, 2025 (view filing)Jul 29-302 daysGriffiths Richard Ian10% OwnerPPurchase+70.4K–––11.8M afterDerivative2 lots
Jul 23, 2025 (view filing)Jul 21-222 daysGriffiths Richard Ian10% OwnerPPurchase+76.0K–––11.8M afterDerivative2 lots
Jul 16, 2025 (view filing)Jul 115 daysLateGriffiths Richard Ian10% OwnerPPurchase+84.0K–––11.7M afterDerivative
Jul 16, 2025 (view filing)Jul 151 dayGriffiths Richard Ian10% OwnerPPurchase+129.9K–––11.8M afterDerivative
Jul 10, 2025 (view filing)Jul 7-93 daysLateGriffiths Richard Ian10% OwnerPPurchase+187.4K–––11.7M afterDerivative3 lots
Jun 30, 2025 (view filing)Jun 26-274 daysGriffiths Richard Ian10% OwnerPPurchase+331.4K–––11.6M afterDerivative3 lots
Jun 25, 2025 (view filing)Jun 22-243 daysLateGriffiths Richard Ian10% OwnerPPurchase+247.8K–––11.5M afterDerivative3 lots
Jun 20, 2025 (view filing)Jun 17-183 daysGriffiths Richard Ian10% OwnerPPurchase+211.3K–––11.4M afterDerivative2 lots
Jun 13, 2025 (view filing)Jun 121 dayGriffiths Richard Ian10% OwnerPPurchase+117.9K–––11.4M afterDerivative
May 29, 2025 (view filing)May 26-283 daysLateGriffiths Richard Ian10% OwnerPPurchase+257.5K–––11.3M afterDerivative3 lots
May 27, 2025 (view filing)May 22-235 daysGriffiths Richard Ian10% OwnerPPurchase+109.1K–––11.2M afterDerivative2 lots
May 21, 2025 (view filing)May 18-203 daysLateGriffiths Richard Ian10% OwnerPPurchase+237.1K–––11.2M afterDerivative3 lots
May 15, 2025 (view filing)May 13-142 daysGriffiths Richard Ian10% OwnerPPurchase+450.0K–––11.1M afterDerivative2 lots
May 8, 2025 (view filing)May 5-73 daysLateGriffiths Richard Ian10% OwnerPPurchase+750.0K–––11.0M afterDerivative3 lots
May 2, 2025 (view filing)Apr 30-May 12 daysGriffiths Richard Ian10% OwnerPPurchase+328.7K–––10.7M afterDerivative2 lots
Apr 30, 2025 (view filing)Apr 28-292 daysGriffiths Richard Ian10% OwnerPPurchase+449.9K–––10.6M afterDerivative2 lots
Apr 28, 2025 (view filing)Apr 24-254 daysGriffiths Richard Ian10% OwnerPPurchase+450.0K–––10.5M afterDerivative2 lots
Apr 24, 2025 (view filing)Apr 22-232 daysGriffiths Richard Ian10% OwnerPPurchase+300.0K–––10.3M afterDerivative2 lots
Apr 22, 2025 (view filing)Apr 17-215 daysLateGriffiths Richard Ian10% OwnerPPurchase+450.0K–––10.2M afterDerivative2 lots
Apr 15, 2025 (view filing)Apr 10-155 daysLateGriffiths Richard Ian10% OwnerPPurchase+600.0K–––10.1M afterDerivative5 lots
Apr 1, 2025 (view filing)Mar 311 dayGriffiths Richard Ian10% OwnerPPurchase+300.0K–––9.86M afterDerivative
Mar 31, 2025 (view filing)Mar 27-314 daysGriffiths Richard Ian10% OwnerPPurchase+600.0K–––9.76M afterDerivative3 lots
Mar 6, 2025 (view filing)Mar 51 dayGriffiths Richard Ian10% OwnerPPurchase+67.9K–––9.56M afterDerivative
Feb 25, 2025 (view filing)Jan 8-Feb 1848 daysLateGriffiths Richard Ian10% OwnerPPurchase+450.0K–––9.54M afterDerivative3 lots
Feb 25, 2025 (view filing)Jan 17-Feb 1339 daysLateGriffiths Richard Ian10% OwnerPPurchase+900.0K–––9.42M afterDerivative5 lots