InsidersTradesSigma
Total declarations
Company
▲ 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
Browse the detailed record of transactions filed by Diekman John d, Director. Insider active across 1 company, notably Zai Lab Ltd. In total, 9 reports have been published. Breakdown: 0 buy · 4 sells. Total volume traded: €377k. History available since 5 May 2021. The latest transaction was disclosed on 18 June 2025 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Diekman John d
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations9 total
22,371 sharesAmerican Depositary SharesSEC:0000905148-26-003028:0
10,831 shares0American Depositary SharesSEC:0000905148-25-002216:0
21,253 shares0American Depositary SharesSEC:0000905148-24-001747:0
18,903 shares@ US$26.4542.3% of flowAmerican Depositary SharesSEC:0000950170-23-031111:0
1,000 shares@ US$50.170.0019% mcap7.0% of flowOrdinary SharesSEC:0001567619-22-002713:0
7,763 shares0Ordinary SharesSEC:0001567619-22-000393:0
1,000 shares@ US$91.659.5% of flowOrdinary SharesSEC:0001567619-21-019472:0
1,000 shares@ US$149.5015.1% of flowOrdinary SharesSEC:0001567619-21-014550:0
1,000 shares@ US$153.6215.3% of flowOrdinary SharesSEC:0001567619-21-009234:0
9 of 9 declarations
About Diekman John d
John D. Diekman is a Board Member at Zai Lab Ltd, a biopharmaceutical company. As a board member, John contributes to the company's governance and the development of strategies aimed at enhancing its performance. His experience in the biopharmaceutical sector is an asset to the board.
