InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
4
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the detailed record of transactions filed by Walker Karin L, Directeur Comptable. Insider active across 3 companies, notably Cyclacel Pharmaceuticals, Inc.. Cumulatively, 28 reports have been logged. Breakdown: 0 buy · 4 sells. Activity tracked since 15 June 2021. The latest transaction was filed on 28 July 2026 (Disposition). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Walker Karin L
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations28 total
15,000 sharesOrdinary Shares, par value $0.01 per shareSEC:0000905148-26-003416:0
15,000 shares@ US$8.560.029% mcap6.0% of flowOrdinary Shares, par value $0.01 per shareSEC:0000905148-26-003416:1
25,000 shares0Ordinary Shares, par value $0.01 per shareSEC:0000905148-25-002661:0
5,000 shares@ US$13.533.0% of flowOrdinary Shares, par value $0.01 per shareSEC:0000905148-24-000282:0
5,000 shares@ US$13.532.9% of flowOrdinary Shares, par value $0.01 per shareSEC:0000905148-23-001682:0
5,000 shares@ US$13.532.9% of flowOrdinary Shares, par value $0.01 per shareSEC:0000905148-23-001531:0
5,000 shares@ US$13.533.0% of flowOrdinary Shares, par value $0.01 per shareSEC:0000905148-23-001201:0
5,000 shares@ US$15.043.7% of flowOrdinary Shares, par value $0.01 per shareSEC:0000905148-23-000946:0
5,000 shares@ US$15.043.3% of flowOrdinary Shares, par value $0.01 per shareSEC:0000905148-23-000772:0
5,000 shares@ US$15.043.2% of flowOrdinary Shares, par value $0.01 per shareSEC:0001140361-23-035280:0
21,219 shares0Common StockSEC:0001104659-23-077655:0
5,000 shares@ US$15.043.3% of flowOrdinary Shares, par value $0.01 per shareSEC:0001140361-23-030563:0
5,000 shares@ US$15.043.3% of flowOrdinary Shares, par value $0.01 per shareSEC:0001140361-23-025833:0
5,000 shares@ US$15.043.3% of flowOrdinary Shares, par value $0.01 per shareSEC:0001140361-23-019684:0
5,000 shares@ US$15.043.4% of flowOrdinary Shares, par value $0.01 per shareSEC:0001140361-23-013190:0
20,000 shares@ US$15.0413.3% of flowOrdinary Shares, par value $0.01 per shareSEC:0001567619-23-005293:0
10,000 shares@ US$15.046.9% of flowOrdinary Shares, par value $0.01 per shareSEC:0001567619-22-020647:0
20,000 shares@ US$15.0414.5% of flowOrdinary Shares, par value $0.01 per shareSEC:0001567619-22-018818:0
15,822 shares0Common StockSEC:0001104659-22-071903:0
4,519 shares@ US$15.043.4% of flowOrdinary Shares, par value $0.01 per shareSEC:0001567619-21-021197:0
20,000 shares@ US$15.0414.5% of flowOrdinary Shares, par value $0.01 per shareSEC:0001567619-21-018621:0
2,374 shares0Common StockSEC:0001104659-21-082598:0
2,000 sharesOrdinary Shares, par value $0.01 per shareSEC:0000899243-16-011804:0
500 sharesOrdinary Shares, par value $0.01 per shareSEC:0000899243-16-011804:2
2,000 sharesOrdinary Shares, par value $0.01 per shareSEC:0000899243-16-011804:3
25 of 28 declarations
About Walker Karin L
Walker Karin L is Chief Accounting Officer and has filed 26 transactions in total. Across the 26 recent filings we hold, the aggregated amounts are EUR 0 for buys and EUR 0 for sells, with Levée d'options as the most frequent transaction nature, and the filings run from 2016-01-15 to 2025-07-30. They are linked to Prothena CORP Public Ltd Co, Prothena Corp plc, and Cyclacel Pharmaceuticals, Inc., and the largest recorded filings concern Prothena CORP Public Ltd Co, including EUR 304253.1755854053 on 2022-10-26, EUR 280396.73319657 on 2023-03-17, and EUR 258086.3841861247 on 2021-10-22.
