InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
1
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
No signal scores available.
Discover the detailed record of transactions filed by Hollek Darrell E, Directeur. Officer active across 2 companies, notably OIL States International, INC. Aggregated, 6 disclosures have been recorded. Split: 0 buy · 1 sell. Total volume traded: €426k. History available since 11 May 2021. The latest transaction was filed on 31 March 2026 (Cession). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Hollek Darrell E
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations6 total
42,511 shares@ US$11.61100.0% of flowCommon StockSEC:0001640299-26-000002:0
31,185 shares0Common StockSEC:0001121484-25-000060:0
33,259 shares0Common StockSEC:0001121484-24-000047:0
21,708 shares0Common StockSEC:0001121484-23-000058:0
19,470 shares0Common StockSEC:0001121484-22-000061:0
19,470 shares0Common StockSEC:0001121484-21-000072:0
6 of 6 declarations
About Hollek Darrell E
Darrell E. Hollek is a Director at OIL STATES INTERNATIONAL, INC. In this role, he contributes to the governance of the company and the development of strategies aimed at improving performance. His experience in the energy sector allows him to provide valuable insights on innovation and sustainability. He is committed to supporting growth initiatives.
