InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (7 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
7
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the detailed record of transactions filed by Williams Lewis T, Directeur. Director active across 3 companies, notably Arcellx, Inc.. In total, 13 reports have been logged. Breakdown: 0 buy · 7 sells. Activity tracked since 8 February 2022. The latest transaction was filed on 17 February 2026 (Levée d'options). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Williams Lewis T
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations13 total
18,000 shares@ US$10.84100.0% of flowCommon StockSEC:0001104659-26-017176:0
2,695 shares0Common StockSEC:0001104659-26-001476:0
5,130 shares0Common StockSEC:0001104659-25-001432:0
2,095,114 shares0Common StockSEC:0001209191-22-008160:0
35,615 sharesCommon StockSEC:0001123292-16-001685:0
20,086 sharesCommon StockSEC:0001123292-16-001685:1
11,800 sharesCommon StockSEC:0001123292-16-001685:2
3,729 sharesCommon StockSEC:0001123292-16-001685:3
35,614 sharesCommon StockSEC:0001123292-16-001685:4
18,557 sharesCommon StockSEC:0001123292-16-001685:5
12,408 sharesCommon StockSEC:0001123292-16-001685:6
4,528 sharesCommon StockSEC:0001123292-16-001685:7
121 sharesCommon StockSEC:0001123292-16-001685:8
13 of 13 declarations
About Williams Lewis T
Lewis T. Williams is a Director at Arcellx, Inc. In this role, he participates in the governance and strategy of the company, contributing to important decision-making. Williams brings valuable expertise in the biopharmaceutical sector, thereby supporting growth and innovation within the organization. His commitment to operational excellence is an asset for Arcellx.
