Diane K Duren

Insider

First SEC filing: May 14, 2026 · Latest: May 14, 2026

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 38 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

38 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 12, 2026	WERN	A	3,025	—	—	30,007 Direct	+11.21%	Acquired	(price as of 2026-08-21)
May 13, 2025	WERN	A	3,706	—	—	26,982 Direct	+15.92%	Acquired	(price as of 2026-08-21)
May 14, 2024	WERN	A	2,739	—	—	23,276 Direct	+13.34%	Acquired	(price as of 2026-08-21)
May 9, 2023	WERN	A	2,274	—	—	20,537 Direct	+12.45%	Acquired	(price as of 2026-08-21)
May 10, 2022	WERN	A	2,410	—	—	18,263 Direct	+15.20%	Acquired	(price as of 2026-08-21)
May 11, 2021	WERN	A	1,709	—	—	15,853 Direct	+12.08%	Acquired	(price as of 2026-08-21)
May 12, 2020	WERN	A	1,941	—	—	14,144 Direct	+15.91%	Acquired	(price as of 2026-08-21)
May 14, 2019	WERN	A	1,830	—	—	12,203 Direct	+17.64%	Acquired	(price as of 2026-08-21)
May 8, 2018	WERN	A	1,439	—	—	10,373 Direct	+16.11%	Acquired	(price as of 2026-08-21)
April 24, 2018	WERN	P	7,000	$36.19	$253,330	8,934 Direct	+361.94%	Acquired	6.4% (price as of 2026-08-21)
May 9, 2017	WERN	A	1,934	—	—	1,934 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 18, 2016	UNP	S 10b5-1	2,840	$98.98	$281,103	128,701 Direct	-2.16%	Disposed	209.4% (price as of 2026-08-21)
June 3, 2016	UNP	S 10b5-1	2,500	$85.46	$213,650	131,541 Direct	-1.87%	Disposed	258.3% (price as of 2026-08-21)
Feb. 7, 2016	UNP	F	5,544	$75.03	$415,966	134,041 Direct	-3.97%	Disposed	308.1% (price as of 2026-08-21)
Feb. 4, 2016	UNP	A	52,812	—	—	52,812 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 4, 2016	UNP	A	15,894	—	—	139,585 Direct	+12.85%	Acquired	(price as of 2026-08-21)
Feb. 4, 2016	UNP	A	3,973	—	—	123,691 Direct	+3.32%	Acquired	(price as of 2026-08-21)
Feb. 2, 2016	UNP	J	1,777	$71.71	$127,429	11,544 Indirect	+18.19%	Acquired	327.0% (price as of 2026-08-21)
Feb. 2, 2016	UNP	J	1,777	—	—	119,718 Direct	-1.46%	Disposed	(price as of 2026-08-21)
Feb. 2, 2016	UNP	F	141	$71.71	$10,111	121,495 Direct	-0.12%	Disposed	327.0% (price as of 2026-08-21)
Nov. 17, 2015	UNP	G	2,376	—	—	121,636 Direct	-1.92%	Disposed	(price as of 2026-08-21)
May 22, 2015	UNP	S 10b5-1	15,500	$104.39	$1,618,045	124,012 Direct	-11.11%	Disposed	193.3% (price as of 2026-08-21)
Feb. 5, 2015	UNP	A	27,810	—	—	27,810 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 5, 2015	UNP	F	3,756	$122.85	$461,425	139,512 Direct	-2.62%	Disposed	149.3% (price as of 2026-08-21)
Feb. 5, 2015	UNP	A	10,098	—	—	143,268 Direct	+7.58%	Acquired	(price as of 2026-08-21)
Feb. 5, 2015	UNP	A	2,524	—	—	133,170 Direct	+1.93%	Acquired	(price as of 2026-08-21)
Feb. 3, 2015	UNP	F	764	$121.79	$93,048	130,646 Direct	-0.58%	Disposed	151.4% (price as of 2026-08-21)
Aug. 29, 2014	UNP	M	7,626	—	—	15,252 Direct	-33.33%	Disposed	(price as of 2026-08-21)
Aug. 29, 2014	UNP	M	9,376	—	—	4,688 Direct	-66.67%	Disposed	(price as of 2026-08-21)
Aug. 29, 2014	UNP	M	14,346	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 29, 2014	UNP	S 10b5-1	14,346	$105.04	$1,506,904	131,410 Direct	-9.84%	Disposed	191.5% (price as of 2026-08-21)
Aug. 29, 2014	UNP	M	14,346	$46.80	$671,393	145,756 Direct	+10.92%	Acquired	554.3% (price as of 2026-08-21)
Aug. 29, 2014	UNP	S 10b5-1	9,376	$105.04	$984,855	131,410 Direct	-6.66%	Disposed	191.5% (price as of 2026-08-21)
Aug. 29, 2014	UNP	M	9,376	$57.37	$537,901	140,786 Direct	+7.13%	Acquired	433.8% (price as of 2026-08-21)
Aug. 29, 2014	UNP	S 10b5-1	7,626	$105.04	$801,035	131,410 Direct	-5.48%	Disposed	191.5% (price as of 2026-08-21)
Aug. 29, 2014	UNP	M	7,626	$66.00	$503,316	139,036 Direct	+5.80%	Acquired	364.0% (price as of 2026-08-21)
March 11, 2014	UNP	S 10b5-1	3,055	$186.50	$569,758	65,705 Direct	-4.44%	Disposed	228.4% (price as of 2026-08-21)
Feb. 6, 2014	UNP	A	12,393	—	—	12,393 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 6, 2014	UNP	A	5,712	—	—	68,760 Direct	+9.06%	Acquired	(price as of 2026-08-21)
Feb. 6, 2014	UNP	F	2,110	$175.12	$369,503	63,048 Direct	-3.24%	Disposed	249.7% (price as of 2026-08-21)
Feb. 6, 2014	UNP	A	1,428	—	—	65,158 Direct	+2.24%	Acquired	(price as of 2026-08-21)
Feb. 6, 2014	UNP	A	22,842	—	—	63,730 Direct	+55.86%	Acquired	(price as of 2026-08-21)
Feb. 4, 2014	UNP	F	449	$173.25	$77,789	40,888 Direct	-1.09%	Disposed	253.5% (price as of 2026-08-21)
Dec. 16, 2013	UNP	G	1,243	—	—	41,337 Direct	-2.92%	Disposed	(price as of 2026-08-21)
July 22, 2013	UNP	S 10b5-1	1,515	$165.00	$249,975	42,580 Direct	-3.44%	Disposed	271.2% (price as of 2026-08-21)
June 7, 2013	UNP	S 10b5-1	1,613	$156.09	$251,773	44,095 Direct	-3.53%	Disposed	292.4% (price as of 2026-08-21)
June 6, 2013	UNP	M	8,361	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 6, 2013	UNP	S 10b5-1	8,361	$152.53	$1,275,303	45,708 Direct	-15.46%	Disposed	301.5% (price as of 2026-08-21)
June 6, 2013	UNP	M	8,361	$60.98	$509,854	54,069 Direct	+18.29%	Acquired	904.3% (price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Feb. 4, 2016	UNP	Non-Qualified Stock Option (right to buy) [F4]	Common Stock (52,812)	$75.52	Feb. 4, 2026	52,812	Acquired
Feb. 5, 2015	UNP	Non-Qualified Stock Option (right to buy) [F4]	Common Stock (27,810)	$122.85	Feb. 5, 2025	27,810	Acquired
Aug. 29, 2014	UNP	Non-Qualified Stock Option (right to buy) [F5]	Common Stock (7,626)	$66.00	Feb. 7, 2013	7,626	Disposed
Aug. 29, 2014	UNP	Non-Qualified Stock Option (right to buy) [F5]	Common Stock (9,376)	$57.37	Feb. 2, 2022	9,376	Disposed
Aug. 29, 2014	UNP	Non-Qualified Stock Option (right to buy) [F5]	Common Stock (14,346)	$46.80	Feb. 3, 2021	14,346	Disposed
Feb. 6, 2014	UNP	Non-Qualified Stock Option (right to buy) [F4]	Common Stock (12,393)	$175.12	Feb. 6, 2024	12,393	Acquired
June 6, 2013	UNP	Non-Qualified Stock Option (right to buy) [F4]	Common Stock (8,361)	$60.98	Feb. 4, 2020	8,361	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 7 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
May 11, 2017	WERN	Common Stock	0	Direct
March 1, 2013	UNP	Common Stock	45,708	Direct
March 1, 2013	UNP	Common Stock [F1]	4,593	Indirect
March 1, 2013	UNP	Non-Qualified Stock Option (right to buy) [F2]→ Common Stock (8,361)	8,361	Direct
March 1, 2013	UNP	Non-Qualified Stock Option (right to buy) [F2]→ Common Stock (7,173)	7,173	Direct
March 1, 2013	UNP	Non-Qualified Stock Option (right to buy) [F2]→ Common Stock (7,032)	7,032	Direct
March 1, 2013	UNP	Non-Qualified Stock Option (right to buy) [F2]→ Common Stock (11,439)	11,439	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

UNP

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2016	$485,000	$770,000	—	—	—	$935,141	$19,980	—
2014	$435,333	$925,000	—	—	—	$1,922,640	$38,024	—
2013	$410,000	$750,000	—	—	—	$277,409	$33,624	—

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.