Silence Therapeutics plc (SLN) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: May 18, 2026

Risk Assessment Details

Potential Dilution: 12.1% of current shares
Recent Dilution: 2.13% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
140M
Potential Supply
17M
Additional shares possible
Splits
None
Past 2 years

Summary

SLN currently has 142M outstanding shares. with limited dilution risk as only 17.1M additional shares (12.1%) are authorized for issuance. The company has minimally diluted shareholders by 2.13% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 18, 2026

S-3 filing: The company is filing a shelf registration to offer up to $100,000,000 of American Depositary Shares (ADSs) in an at-the-market offering.

140M 17M
May 07, 2026

10-Q filing | 141.7M shares outstanding

140M 17M
Nov 06, 2025

10-Q filing | 141.7M shares outstanding

140M 17M
May 08, 2025

10-Q filing | 141.7M shares outstanding

140M 17M
Feb 27, 2025

10-K filing | 138.8M shares outstanding

140M 17M
May 07, 2024

F-3 filing: This F-3 filing relates to the resale of up to 5,714,286 American Depositary Shares, representing 17,142,858 ordinary shares, of Silence Therapeutics plc by selling securityholders.

120M 17M
Mar 13, 2024

20-F filing | 118.8M shares outstanding

120M 0
Mar 15, 2023

20-F filing | 107.8M shares outstanding

110M 0
Mar 17, 2022

20-F filing | 89.8M shares outstanding

90M 0
Oct 15, 2021

POS AM filing: This is a post-effective amendment to a registration statement for a shelf offering of common stock.

N/A 0
Oct 15, 2021

F-3 filing: Silence Therapeutics PLC files an F-3 to offer and sell up to $300,000,000 of its ordinary shares from time to time.

N/A 0
Apr 08, 2021

POS AM filing: This is a POS AM filing detailing the expenses associated with the registration of ordinary shares, including SEC registration fees, Nasdaq listing fees, printing expenses, legal fees, accounting fees, and miscellaneous expenses, totaling $1,100,000.

N/A 0
Apr 08, 2021

POS AM filing: This prospectus relates to the resale from time to time in one or more offerings by the selling shareholders named herein of up to an aggregate of 6,066,654 of our ordinary shares, nominal value £0.05 per share, represented by 2,022,218 American Depositary Shares, or ADSs.

N/A 0
Mar 09, 2021

F-1 filing: F-1 filing for the resale of up to 6,066,654 ordinary shares by selling shareholders.

N/A 78M
Aug 20, 2020

F-1 filing: Filing relates to the registration of 53,732,291 ordinary shares held by existing shareholders, which may be offered as American Depositary Shares (ADSs) on the Nasdaq Capital Market.

N/A 72M
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