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Who

David Lemus

Director

Company insider

Files Form 4 as: Director, Silence Therapeutics; Director, Scilex Holding; Director, Sorrento Therapeutics.

In numbers

Trades disclosed
11
Buys
1
Sells
0
Bought
$1,800
Sold
$0
Companies
3
Companies where not an officer
3
First trade
14 Nov 2017
Last trade
2 Jan 2026
Last filed
6 Jan 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
SLN Silence TherapeuticsDirector · Biotechnology · last 2 Jan 20260 buys · 0 sells
SCLX Scilex HoldingDirector · Pharmaceuticals · last 17 Oct 20241 buy · 0 sells
Sorrento TherapeuticsDirector · last 30 Aug 20210 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
2 Jan 2026filed 6 Jan 2026SLN Silence Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—90,000 at $0.00filing
2 Jan 2026filed 6 Jan 2026SLN Silence Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—90,000 at $0.00filing
2 Jan 2025filed 6 Jan 2025SLN Silence Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—48,000 at $0.00filing
17 Oct 2024filed 18 Oct 2024SCLX Scilex HoldingPharmaceuticalsSEC FORM 4 Bought$1,8002,000 at $0.90filing
15 Mar 2024filed 26 Jun 2024SCLX Scilex Holdingoption or derivative · PharmaceuticalsSEC FORM 4 Code A—100,000 at $0.00filing
17 Jan 2023filed 17 Jan 2023SCLX Scilex Holdingoption or derivative · PharmaceuticalsSEC FORM 4 Code A—250,000 at $0.00filing
30 Aug 2021filed 30 Aug 2021Sorrento Therapeuticsoption or derivativeSEC FORM 4 Code A—250,000 at $0.00filing
15 Jun 2020filed 15 Jun 2020Sorrento Therapeuticsoption or derivativeSEC FORM 4 Code A—100,000 at $0.00filing
19 Apr 2019filed 23 Apr 2019Sorrento Therapeuticsoption or derivativeSEC FORM 4 Code A—70,000 at $0.00filing
26 Nov 2018filed 27 Nov 2018Sorrento Therapeuticsoption or derivativeSEC FORM 4 Code A—35,000 at $0.00filing
14 Nov 2017filed 16 Nov 2017Sorrento Therapeuticsoption or derivativeSEC FORM 4 Code A—35,000 at $0.00filing

News

Sectors

Health Care1

Buys in green, sells in red, by the company’s sector.

Related people

Richard Ian Griffiths10% owner · 10% owner at Silence Therapeutics, filing Form 4 there in the last year
Timothy McInerneyDirector · Director at Silence Therapeutics, filing Form 4 there in the last year
Steven J. RomanoDirector · EVP and Chief R&D Officer at Silence Therapeutics, filing Form 4 there in the last year
Rhonda Lynette HellumsChief Financial Officer · Chief Financial Officer at Silence Therapeutics, filing Form 4 there in the last year
James Ede-GolightlyDirector · Director at Silence Therapeutics, filing Form 4 there in the last year