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Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Latest filing published 22 Jun 2026 for Zai Lab Ltd. Read the official filing
Filing timeline
BuySaleJohn d. Diekman
Insider track record
Disclosed buys
0
Disclosed sells
4
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
John d. Diekman: trading record in brief
John d. Diekman, listed as senior executive, appears in our data through filings on Zai Lab Ltd shares, published by SEC (Form 4). In total, 9 filings cover trades dated from 5 May 2021 to 17 June 2026.
Sales make up the whole of the open-market record (4 sales, €377k). Outside the open market, there are 5 share grants.
The record was last updated on 22 June 2026 with a share grant in Zai Lab Ltd. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 3 days. Section 16 rules allow two business days to file each Form 4. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.
Companies and markets linked to John d. Diekman
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
