Company Analysis

Silence Therapeutics Plc American Depository Share (SLN)

Nasdaq: SLN · Pharmaceutical Preparations · London · filing with the SEC since 2010
Grade3.4
◀ Past 5.0● Present 2.2▶ Future 3.4
2 est.

Filings

224 filings since 2017 beside 52 insider forms · Non-accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026
Due nextNon-accelerated filer and smaller reporting company
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by May 15, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 43 days after the quarter ended. The proxy statement was last filed Apr 29, 2026.

Filings a yearinsider forms included
323502620337447
20172020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 6 times in the last 36 months, the newest Jul 16, 2026.SEC letters: 7 in the last 36 months, the newest May 22, 2026.
Insider forms 52

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 13, 2026 10-Q Quarterly report Sep 30, 2026
Nov 12, 2026 SCHEDULE 13G/A Large holder update, amended
Nov 12, 2026 DEFA14A Extra proxy material
Nov 12, 2026 8-K items 2.02, 9.01 Results released · Current report
Nov 5, 2026 SCHEDULE 13G Large holder notice
Oct 19, 2026 DEFA14A Extra proxy material
Oct 19, 2026 DEFA14A Extra proxy material
Oct 19, 2026 8-K items 1.01, 7.01, 9.01 Major agreement signed; Investor disclosure (Regulation FD) · Current report Oct 18, 2026
Oct 13, 2026 SCHEDULE 13G/A Large holder update, amended
Oct 13, 2026 SCHEDULE 13G Large holder notice
Aug 13, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 13, 2026 SCHEDULE 13D/A Activist holder update, amended
Aug 12, 2026 8-K items 1.01, 8.01, 9.01 Major agreement signed; Other event · Current report Aug 10, 2026
Aug 12, 2026 424B5 Shelf offering
Aug 11, 2026 S-3MEF Shelf registration, added securities
Aug 10, 2026 424B5 Shelf offering
Aug 10, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report
Aug 10, 2026 10-Q Quarterly report Jun 30, 2026
Aug 10, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 16, 2026 8-K/A item 5.02 Officer or director change · Current report, amended Jul 10, 2026
Jul 8, 2026 SCHEDULE 13D/A Activist holder update, amended
Jun 23, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Jun 16, 2026 8-K item 5.07 Shareholder vote · Current report
Jun 11, 2026 8-K items 8.01, 9.01 Other event · Current report
May 27, 2026 EFFECT Registration effective
May 27, 2026 424B5 Shelf offering
May 22, 2026 CORRESP Reply to the SEC
May 22, 2026 UPLOAD SEC comment letter
May 18, 2026 8-K items 1.01, 1.02, 8.01, 9.01 Major agreement signed; Major agreement ended; Other event · Current report
May 18, 2026 S-3 Shelf registration
May 7, 2026 10-Q Quarterly report Mar 31, 2026
May 7, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 29, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 29, 2026 DEF 14A Proxy statement Jun 16, 2026
Mar 5, 2026 S-8 Employee stock plan registration
Mar 5, 2026 10-K Annual report Dec 31, 2025
Mar 5, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Feb 9, 2026 SCHEDULE 13G/A Large holder update, amended
Jan 9, 2026 UPLOAD SEC comment letter
Dec 31, 2025 CORRESP Reply to the SEC
40 of 224 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton SLN · research, not advice