DUREN DIANE K

Director at WERNER ENTERPRISES INC · on record since May 14, 2026
EVP CHIEF ADMIN OFFICER & CORP at UNION PACIFIC CORP · on record since Nov 21, 2016
Director at U.S. SILICA HOLDINGS, INC. · on record since Aug 17, 2017

Insider trading activity of DUREN DIANE K

Transactions on record: 68; since Jun 10, 2013

Open-market buys: 2; $512.9K

Open-market sells: 11; $7.9M

Companies traded: 3; last filing May 14, 2026

Figures computed from official regulatory filings — methodology.

Companies where DUREN DIANE K has traded

WERNER ENTERPRISES INC11 tx · $253.3K · May 14, 2026
U.S. SILICA HOLDINGS, INC.19 tx · $2.3M · Aug 1, 2024
UNION PACIFIC CORP38 tx · $11.5M · Nov 21, 2016

Track record of DUREN DIANE K

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of DUREN DIANE K

Co-insiders of DUREN DIANE K

Amara RajeevU.S. SILICA HOLDINGS, INC.
ANSCHUTZ PHILIP FUNION PACIFIC CORP
Arves Scott CWERNER ENTERPRISES INC
ASHE PRESCOTTU.S. SILICA HOLDINGS, INC.
Avramovich Daniel WU.S. SILICA HOLDINGS, INC.
Bates SimonU.S. SILICA HOLDINGS, INC.
Bernard Peter CU.S. SILICA HOLDINGS, INC.

This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →

Company	Filed	Type	Qty	Price	Value · USD	Src
WERNER ENTERPRISES INC	May 14, 2026	Award	3,025	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 15, 2025	Award	3,706	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	Aug 1, 2024	Other	-93,350	15.50 USD	$1.4M	SEC
U.S. SILICA HOLDINGS, INC.	Aug 1, 2024	Other	-9,677	15.50 USD	$150K	SEC
WERNER ENTERPRISES INC	May 16, 2024	Award	2,739	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 10, 2024	Award	9,677	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 15, 2023	Award	12,077	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 11, 2023	Award	2,274	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	Dec 19, 2022	Sell	-16,089	11.43 USD	$183.9K	SEC
U.S. SILICA HOLDINGS, INC.	May 16, 2022	Award	7,467	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 12, 2022	Award	2,410	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 14, 2021	Award	11,668	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 13, 2021	Award	1,709	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 11, 2021	Other	-18,293	11.97 USD	$219K	SEC
WERNER ENTERPRISES INC	May 14, 2020	Award	1,941	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 11, 2020	Award	73,171	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 16, 2019	Award	1,830	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 13, 2019	Award	7,260	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 13, 2019	ExerciseD	-3,921	—	—	SEC
U.S. SILICA HOLDINGS, INC.	May 13, 2019	Exercise	3,921	—	—	SEC
U.S. SILICA HOLDINGS, INC.	May 14, 2018	AwardD	3,921	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 10, 2018	Award	1,439	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 9, 2018	Exercise	2,168	—	—	SEC
U.S. SILICA HOLDINGS, INC.	May 9, 2018	ExerciseD	-2,168	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 8, 2018	ExerciseD	-723	0.00 USD	$0	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
WERNER ENTERPRISES INC	May 14, 2026	Award	3,025	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 15, 2025	Award	3,706	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	Aug 1, 2024	Other	-93,350	15.50 USD	$1.4M	SEC
U.S. SILICA HOLDINGS, INC.	Aug 1, 2024	Other	-9,677	15.50 USD	$150K	SEC
WERNER ENTERPRISES INC	May 16, 2024	Award	2,739	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 10, 2024	Award	9,677	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 15, 2023	Award	12,077	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 11, 2023	Award	2,274	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	Dec 19, 2022	Sell	-16,089	11.43 USD	$183.9K	SEC
U.S. SILICA HOLDINGS, INC.	May 16, 2022	Award	7,467	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 12, 2022	Award	2,410	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 14, 2021	Award	11,668	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 13, 2021	Award	1,709	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 11, 2021	Other	-18,293	11.97 USD	$219K	SEC
WERNER ENTERPRISES INC	May 14, 2020	Award	1,941	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 11, 2020	Award	73,171	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 16, 2019	Award	1,830	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 13, 2019	Award	7,260	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 13, 2019	ExerciseD	-3,921	—	—	SEC
U.S. SILICA HOLDINGS, INC.	May 13, 2019	Exercise	3,921	—	—	SEC
U.S. SILICA HOLDINGS, INC.	May 14, 2018	AwardD	3,921	0.00 USD	$0	SEC
WERNER ENTERPRISES INC	May 10, 2018	Award	1,439	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 9, 2018	Exercise	2,168	—	—	SEC
U.S. SILICA HOLDINGS, INC.	May 9, 2018	ExerciseD	-2,168	0.00 USD	$0	SEC
U.S. SILICA HOLDINGS, INC.	May 8, 2018	ExerciseD	-723	0.00 USD	$0	SEC