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Who

Darrell E. Hollek

Director

Company insider

Files Form 4 as: Director, Oil States International; EVP, Operations, Anadarko Petroleum; Director, Western Gas Partners LP.

Every Form 4 they filed

In numbers

Trades disclosed
35
Buys
2
Sells
1
Bought
$4,301
Sold
$987K
Companies
3
Companies where not an officer
2
First trade
27 Apr 2015
Last trade
12 May 2026
Last filed
13 May 2026

Companies traded

Where they are an officer
Anadarko PetroleumOfficer · last 27 Apr 20170 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
OIS Oil States InternationalDirector · Machinery · last 12 May 20260 buys · 1 sell
Western Gas Partners LPDirector · last 15 Jan 20162 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
12 May 2026filed 13 May 2026OIS Oil States InternationalMachinerySEC FORM 4 Code A—16,760 at $0.00filing
12 May 2026filed 13 May 2026OIS Oil States InternationalMachinerySEC FORM 4 Code A—16,760 at $0.00filing
31 Mar 2026filed 1 Apr 2026OIS Oil States InternationalMachinerySEC FORM 4 Sold$494K42,511 at $11.61filing
31 Mar 2026filed 1 Apr 2026OIS Oil States InternationalMachinerySEC FORM 4 Sold$494K42,511 at $11.61filing
13 May 2025filed 14 May 2025OIS Oil States InternationalMachinerySEC FORM 4 Code A—31,185 at $0.00filing
7 May 2024filed 8 May 2024OIS Oil States InternationalMachinerySEC FORM 4 Code A—33,259 at $0.00filing
9 May 2023filed 10 May 2023OIS Oil States InternationalMachinerySEC FORM 4 Code A—21,708 at $0.00filing
10 May 2022filed 11 May 2022OIS Oil States InternationalMachinerySEC FORM 4 Code A—19,470 at $0.00filing
11 May 2021filed 12 May 2021OIS Oil States InternationalMachinerySEC FORM 4 Code A—19,470 at $0.00filing
12 May 2020filed 12 May 2020OIS Oil States InternationalMachinerySEC FORM 4 Code A—11,211 at $0.00filing
7 May 2019filed 8 May 2019OIS Oil States InternationalMachinerySEC FORM 4 Code A—6,710 at $0.00filing
27 Apr 2017filed 1 May 2017Anadarko PetroleumSEC FORM 4 Code M—25,762 at $0.00filing
27 Apr 2017filed 1 May 2017Anadarko PetroleumSEC FORM 4 Code F$617K10,807 at $57.12filing
27 Apr 2017filed 1 May 2017Anadarko Petroleumoption or derivativeSEC FORM 4 Code M—25,762 at $0.00filing
6 Nov 2016filed 7 Nov 2016Anadarko PetroleumSEC FORM 4 Code M—1,542 at $0.00filing
6 Nov 2016filed 7 Nov 2016Anadarko PetroleumSEC FORM 4 Code F$38K646 at $58.62filing
6 Nov 2016filed 7 Nov 2016Anadarko PetroleumSEC FORM 4 Code M—1,604 at $0.00filing
6 Nov 2016filed 7 Nov 2016Anadarko PetroleumSEC FORM 4 Code F$39K672 at $58.62filing
6 Nov 2016filed 7 Nov 2016Anadarko Petroleumoption or derivativeSEC FORM 4 Code M—1,542 at $0.00filing
6 Nov 2016filed 7 Nov 2016Anadarko Petroleumoption or derivativeSEC FORM 4 Code M—1,604 at $0.00filing

News

Analyzing Oil States International (NYSE:OIS) and Oceaneering International (NYSE:OII)OIS · themarketsdaily.com · 6 Oct 2026

0 headlines in the last 90 days name Darrell E. Hollek; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Industrials1
Not placed2

Buys in green, sells in red, by the company’s sector.

Related people

Nobody else traded the same names lately.