Stephanie C Hildebrandt

Insider

First SEC filing: Aug. 7, 2017 · Latest: Aug. 7, 2017

On this page

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 + 68 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

68 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 6, 2025	AROC	F	24,206	$29.70	$718,918	376,764 Direct	-6.04%	Disposed	8.7% (price as of 2026-08-21)
Jan. 30, 2025	AROC	A	24,174	—	—	400,970 Direct	+6.42%	Acquired	(price as of 2026-08-21)
March 5, 2024	AROC	M	11,279	—	—	376,796 Direct	+3.09%	Acquired	(price as of 2026-08-21)
March 5, 2024	AROC	F	10,691	$18.27	$195,325	365,517 Direct	-2.84%	Disposed	76.6% (price as of 2026-08-21)
Feb. 7, 2024	AROC	F	17,967	$16.00	$287,472	376,208 Direct	-4.56%	Disposed	101.7% (price as of 2026-08-21)
Jan. 25, 2024	AROC	A	48,750	—	—	394,175 Direct	+14.11%	Acquired	(price as of 2026-08-21)
Dec. 7, 2023	AROC	G	695	—	—	345,301 Direct	-0.20%	Disposed	(price as of 2026-08-21)
April 3, 2023	AROC	A	124	—	—	345,425 Direct	+0.04%	Acquired	(price as of 2026-08-21)
March 5, 2023	AROC	F	6,051	$11.46	$69,344	345,996 Direct	-1.72%	Disposed	181.6% (price as of 2026-08-21)
Feb. 16, 2023	AROC	M	20,593	—	—	360,047 Direct	+6.07%	Acquired	(price as of 2026-08-21)
Feb. 16, 2023	AROC	F	8,000	$9.38	$75,040	352,047 Direct	-2.22%	Disposed	244.0% (price as of 2026-08-21)
Feb. 16, 2023	AROC	A	20,593	—	—	20,593 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 16, 2023	AROC	M	20,593	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Jan. 26, 2023	AROC	A	70,063	—	—	339,454 Direct	+26.01%	Acquired	(price as of 2026-08-21)
Jan. 25, 2023	AROC	F	15,506	$9.38	$145,446	269,391 Direct	-5.44%	Disposed	244.0% (price as of 2026-08-21)
March 5, 2022	AROC	F	8,960	$8.84	$79,206	284,897 Direct	-3.05%	Disposed	265.0% (price as of 2026-08-21)
Feb. 17, 2022	AROC	M	26,750	—	—	300,372 Direct	+9.78%	Acquired	(price as of 2026-08-21)
Feb. 17, 2022	AROC	F	6,515	$8.60	$56,029	293,857 Direct	-2.17%	Disposed	275.2% (price as of 2026-08-21)
Feb. 17, 2022	AROC	A	26,750	—	—	26,750 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 17, 2022	AROC	M	26,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Jan. 27, 2022	AROC	A	64,209	—	—	273,622 Direct	+30.66%	Acquired	(price as of 2026-08-21)
Jan. 25, 2022	AROC	F	8,820	$8.60	$75,852	209,413 Direct	-4.04%	Disposed	275.2% (price as of 2026-08-21)
Aug. 20, 2021	AROC	M	11,737	—	—	224,681 Direct	+5.51%	Acquired	(price as of 2026-08-21)
Aug. 20, 2021	AROC	F	6,448	$7.30	$47,070	218,233 Direct	-2.87%	Disposed	342.1% (price as of 2026-08-21)
Aug. 20, 2021	AROC	M	11,737	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 5, 2021	AROC	A	47,663	—	—	212,944 Direct	+28.84%	Acquired	(price as of 2026-08-21)
Feb. 21, 2021	AROC	A	11,737	—	—	11,737 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 21, 2021	AROC	A	11,737	—	—	— Direct	—	Acquired	(price as of 2026-08-21)
Jan. 25, 2021	AROC	F	8,831	$9.45	$83,453	165,281 Direct	-5.07%	Disposed	241.5% (price as of 2026-08-21)
Aug. 20, 2020	AROC	F	7,988	$6.92	$55,277	174,112 Direct	-4.39%	Disposed	366.3% (price as of 2026-08-21)
Jan. 25, 2020	AROC	F	4,486	$8.83	$39,611	182,100 Direct	-2.40%	Disposed	265.5% (price as of 2026-08-21)
Jan. 23, 2020	AROC	A	52,805	—	—	186,586 Direct	+39.47%	Acquired	(price as of 2026-08-21)
Aug. 20, 2019	AROC	F	7,988	$9.14	$73,010	133,781 Direct	-5.63%	Disposed	253.1% (price as of 2026-08-21)
Jan. 25, 2019	AROC	A	47,770	—	—	141,769 Direct	+50.82%	Acquired	(price as of 2026-08-21)
Aug. 20, 2018	AROC	F	4,399	$12.55	$55,207	93,999 Direct	-4.47%	Disposed	157.1% (price as of 2026-08-21)
March 2, 2018	AROC	A	44,211	—	—	98,398 Direct	+81.59%	Acquired	(price as of 2026-08-21)
Aug. 7, 2017	AROC	A	54,187	—	—	54,187 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 3, 2014	EPD	F	2,098	$37.09	$77,815	248,362 Direct	-0.84%	Disposed	3.8% (price as of 2026-08-21)
Feb. 23, 2014	EPD	F	1,207	$65.61	$79,191	125,230 Direct	-0.95%	Disposed	17.3% (price as of 2026-08-21)
Feb. 22, 2014	EPD	F	1,678	$65.61	$110,094	126,437 Direct	-1.31%	Disposed	17.3% (price as of 2026-08-21)
Feb. 21, 2014	EPD	F	2,098	$65.37	$137,146	128,115 Direct	-1.61%	Disposed	17.8% (price as of 2026-08-21)
Feb. 19, 2014	EPD	A	18,000	—	—	18,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 19, 2014	EPD	F	2,098	$66.08	$138,636	130,213 Direct	-1.59%	Disposed	16.5% (price as of 2026-08-21)
Feb. 10, 2014	EPD	M	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 10, 2014	EPD	M	7,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 10, 2014	EPD	F	14,222	$66.08	$939,790	132,311 Direct	-9.71%	Disposed	16.5% (price as of 2026-08-21)
Feb. 10, 2014	EPD	M	15,000	$24.92	$373,800	146,533 Direct	+11.40%	Acquired	208.9% (price as of 2026-08-21)
Feb. 10, 2014	EPD	M	7,500	$22.06	$165,450	131,533 Direct	+6.05%	Acquired	249.0% (price as of 2026-08-21)
Nov. 3, 2013	EPD	F	1,049	$63.48	$66,591	124,033 Direct	-0.84%	Disposed	21.3% (price as of 2026-08-21)
May 6, 2013	EPD	F	3,147	$60.64	$190,834	125,082 Direct	-2.45%	Disposed	26.9% (price as of 2026-08-21)
Feb. 23, 2013	EPD	F	1,207	$55.50	$66,988	128,229 Direct	-0.93%	Disposed	38.7% (price as of 2026-08-21)
Feb. 22, 2013	EPD	F	1,678	$55.85	$93,716	129,436 Direct	-1.28%	Disposed	37.8% (price as of 2026-08-21)
Feb. 21, 2013	EPD	F	2,098	$55.91	$117,299	131,114 Direct	-1.57%	Disposed	37.7% (price as of 2026-08-21)
Feb. 19, 2013	EPD	A	20,000	—	—	133,212 Direct	+17.67%	Acquired	(price as of 2026-08-21)
Feb. 1, 2013	EPD	M	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 1, 2013	EPD	F	11,131	$56.41	$627,900	113,212 Direct	-8.95%	Disposed	36.5% (price as of 2026-08-21)
Feb. 1, 2013	EPD	M	15,000	$30.93	$463,950	124,343 Direct	+13.72%	Acquired	148.9% (price as of 2026-08-21)
Nov. 3, 2012	EPD	F	662	$53.04	$35,112	109,343 Direct	-0.60%	Disposed	45.1% (price as of 2026-08-21)
June 11, 2012	EPD	S	7,500	$48.60	$364,500	110,005 Direct	-6.38%	Disposed	58.4% (price as of 2026-08-21)
May 22, 2012	EPD	F	1,164	$49.75	$57,909	117,505 Direct	-0.98%	Disposed	54.7% (price as of 2026-08-21)
Feb. 23, 2012	EPD	F	761	$51.27	$39,016	118,669 Direct	-0.64%	Disposed	50.1% (price as of 2026-08-21)
Feb. 22, 2012	EPD	F	1,058	$51.80	$54,804	119,430 Direct	-0.88%	Disposed	48.6% (price as of 2026-08-21)
Feb. 21, 2012	EPD	A	20,000	—	—	120,488 Direct	+19.90%	Acquired	(price as of 2026-08-21)
Nov. 3, 2011	EPD	A	10,000	—	—	100,488 Direct	+11.05%	Acquired	(price as of 2026-08-21)
Sept. 7, 2011	EPD	A	202	—	—	90,488 Direct	+0.22%	Acquired	(price as of 2026-08-21)
May 29, 2011	EPD	F	1,058	$41.64	$44,055	90,286 Direct	-1.16%	Disposed	84.9% (price as of 2026-08-21)
Feb. 23, 2011	EPD	F	761	$42.97	$32,700	91,344 Direct	-0.83%	Disposed	79.1% (price as of 2026-08-21)
Feb. 22, 2011	EPD	A	16,000	—	—	92,105 Direct	+21.02%	Acquired	(price as of 2026-08-21)
Nov. 22, 2010	EPD	A	41,350	—	—	76,105 Direct	+118.98%	Acquired	(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. 16, 2023	AROC	Restricted Stock Units	Common Stock (20,593)	—	—	20,593	Acquired
Feb. 16, 2023	AROC	Restricted Stock Units	Common Stock (20,593)	—	—	20,593	Disposed
Feb. 17, 2022	AROC	Restricted Stock Units	Common Stock (26,750)	—	—	26,750	Acquired
Feb. 17, 2022	AROC	Restricted Stock Units	Common Stock (26,750)	—	—	26,750	Disposed
Aug. 20, 2021	AROC	Restricted Stock Units	Common Stock (11,737)	$0.00	Aug. 20, 2021	11,737	Disposed
Feb. 21, 2021	AROC	Restricted Stock Units	Common Stock	—	Aug. 20, 2021	11,737	Acquired
Feb. 21, 2021	AROC	Restricted Stock Units	Common Stock	—	Aug. 20, 2021	11,737	Acquired
Feb. 19, 2014	EPD	Phantom Units	Common Units (18,000)	—	—	18,000	Acquired
Feb. 10, 2014	EPD	Employee Unit Option-Right To Buy	Common Units (15,000)	$24.92	Dec. 31, 2014	15,000	Disposed
Feb. 10, 2014	EPD	Employee Unit Option-Right To Buy	Common Units (7,500)	$22.06	Dec. 31, 2014	7,500	Disposed
Feb. 1, 2013	EPD	Employee Unit Option-Right To Buy	Common Units (15,000)	$30.93	Dec. 31, 2013	15,000	Disposed

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

Initial ownership (Form 3) 6 holdings

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

Date	Ticker	Security	Shares	Ownership
Aug. 7, 2017	AROC	Common Stock	0	Direct
Nov. 24, 2010	EPD	Common Units Representing Limited Partnership Interests	34,755	Direct
Nov. 24, 2010	EPD	Employee Unit Option-Right To Buy→ Common Units (15,000)	15,000	Direct
Nov. 24, 2010	EPD	Employee Unit Option-Right To Buy→ Common Units (7,500)	7,500	Direct
Nov. 24, 2010	EPD	Employee Unit Option-Right To Buy→ Common Units (15,000)	15,000	Direct
Nov. 24, 2010	EPD	Employee Unit Option-Right To Buy→ Common Units (15,000)	15,000	Direct

Compensation (DEF 14A)

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

AROC

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2018	$397,308	—	$624,998	—	$330,000	—	$73,027	$1,425,333

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