Latest filing published 04 Jan 2022 for Core Laboratories N V, €36k.
Insider track record
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
No signal scores available.
Gwendolyn Schreffler: trading record in brief
Gwendolyn Schreffler is a declared insider of Core Laboratories N V (senior executive), with filings sourced from SEC (Form 4). Over a trading history stretching from 18 June 2021 to 31 December 2021, the count stands at 3 filings.
The filings describe grants, exercises and other transfers rather than trades on the open market. Such operations are usually part of compensation schedules, which makes them a weaker signal than an open-market trade.
On 4 January 2022 came the latest disclosure, an option exercise in Core Laboratories N V. Filings reach the SEC (Form 4) feed a median of 4 days after the trade. The legal deadline for a Form 4 is two business days after the transaction. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to Gwendolyn Schreffler
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 1,850 shares@ US$22.31100.0% of flowCommon SharesSEC:0001209191-22-001062:0
- 2,896 shares0Common SharesSEC:0001209191-21-042073:0
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