Latest filing published 07 Apr 2026 for Core Laboratories Inc. /DE/.
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Robert F. Martinovich (senior executive) discloses dealings in 4 companies, chiefly Oneok INC /new/, Core Laboratories Inc. /DE/ and Oneok Inc. Over a trading history stretching from 21 December 2010 to 1 April 2026, the count stands at 114 filings.
No open-market purchase or sale appears among the filings, only grants, plan transactions and other operations. Grants and option exercises follow pay plans set in advance, so they reveal less about an insider's own view than a purchase made with personal money.
The newest entry dates from 7 April 2026: an option exercise, in Core Laboratories Inc. /DE/. The median gap between a trade and its publication by SEC (Form 4) is 3 days. 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.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
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