Form4insider filings, from the source

Insider · CIK 0001194888

Corbin J Robertson Jr.

Files at: KLXE, NRP, QES. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $2.0M · 1sales $0 · 0net $2.0M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesFeb 12Feb 12Feb 12Feb 13Feb 13Feb 13Feb 14

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 MForm 4 →Sep 17, 4:10 pm EDTKLX Energy Services Holdings, Inc.KLXE38,694$1.49$57,65448,654—
Sep 14, 2026 MForm 4 →Sep 15, 4:56 pm EDTKLX Energy Services Holdings, Inc.KLXE225,353$1.49$335,776283,359—
Feb 11, 2019 DMForm 4 →Feb 12, 4:19 pm ESTNATURAL RESOURCE PARTNERS LPNRP7,200$38.22$137,5926— plan?
Feb 13, 2018 AMPForm 4 →Feb 12, 2019, 6:06 pm ESTQuintana Energy Services Inc.QES11,429——100,000— plan? late
Feb 13, 2018 PForm 4 →Feb 15, 8:04 pm ESTQuintana Energy Services Inc.QES200,000$10.00$2,000,000100,000— plan?
Feb 13, 2018 ADForm 4 →Feb 15, 8:04 pm ESTQuintana Energy Services Inc.QES9,358,390——2,886,041— plan?
Feb 12, 2018 DMForm 4 →Feb 14, 5:11 pm ESTNATURAL RESOURCE PARTNERS LPNRP6,720$31.69$106,4706— plan?
Feb 13, 2017 DMForm 4 →Feb 15, 7:28 pm ESTNATURAL RESOURCE PARTNERS LPNRP6,400$36.54$116,9200— plan?
Feb 14, 2016 DMForm 4 →Feb 17, 6:11 pm ESTNATURAL RESOURCE PARTNERS LPNRP64,000$1.03$33,0881,276,727— plan?
Feb 10, 2015 DMForm 4 →Feb 12, 5:21 pm ESTNATURAL RESOURCE PARTNERS LPNRP66,000$8.95$295,3671,276,727— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 MForm 4 →Sep 17, 4:10 pm EDTKLX Energy Services Holdings, Inc.KLXE9,960——0—
Sep 14, 2026 MForm 4 →Sep 15, 4:56 pm EDTKLX Energy Services Holdings, Inc.KLXE58,006——0—
Feb 14, 2019 AForm 4 →Feb 19, 4:34 pm ESTNATURAL RESOURCE PARTNERS LPNRP31,498——31,498—
Feb 11, 2019 MForm 4 →Feb 12, 4:19 pm ESTNATURAL RESOURCE PARTNERS LPNRP3,600——0—
Feb 9, 2019 MForm 4 →Feb 12, 6:06 pm ESTQuintana Energy Services Inc.QES11,429——0—
Jan 24, 2019 AForm 4 →Jan 28, 5:42 pm ESTQuintana Energy Services Inc.QES23,474——23,474—
Apr 18, 2018 AForm 4 →Apr 20, 4:40 pm EDTQuintana Energy Services Inc.QES11,429——11,429—
Feb 12, 2018 AMForm 4 →Feb 14, 5:11 pm ESTNATURAL RESOURCE PARTNERS LPNRP17,753——14,393—
Feb 13, 2017 MForm 4 →Feb 15, 7:28 pm ESTNATURAL RESOURCE PARTNERS LPNRP3,200——0—
Feb 14, 2016 MForm 4 →Feb 17, 6:11 pm ESTNATURAL RESOURCE PARTNERS LPNRP32,000——0—
Feb 10, 2015 AMForm 4 →Feb 12, 5:21 pm ESTNATURAL RESOURCE PARTNERS LPNRP69,000——36,000—