SEC Form 4 · Updated Daily

AM

— ANTERO MIDSTREAM CORPORATION Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

Financials Ownership

Current Reporting Owners

Owner	Role	Shares Owned	As Of	Last Activity
Levy James R.	Director	55,109,589	2019-03-12	A
Antero Subsidiary Holdings LLC	10%+ Owner · Director	32,042,344	2019-12-16	D
ANTERO RESOURCES Corp	10%+ Owner	32,042,344	2019-12-16	D
Warburg Pincus X Partners, L.P.	Director	22,965,437	2019-09-05	S
Warren Glen C Jr	Director · Officer	6,191,816	2021-04-15	F
Antero Resources Investment LLC	Reporting Owner	5,587,500	2017-05-12	J
Yorktown Energy Partners VIII, L.P.	Director	3,445,636	2019-11-12	S
Yorktown VIII Associates LLC	Director	3,445,636	2019-11-12	S
RADY PAUL M	Director · Officer	3,074,200	2025-04-15	F
Yorktown VII Associates LLC	Director	2,232,927	2019-11-12	S
Yorktown Energy Partners VII, L.P.	Director	2,232,927	2019-11-12	S
Schopp Alvyn A.	Officer	1,947,052	2021-07-20	F
Kennedy Michael N.	Director · Officer	1,500,594	2026-05-04	S
Kilstrom Kevin J.	Officer	1,020,052	2019-04-15	A
Krueger Brendan E.	Officer	731,498	2026-03-07	A
Schultz Yvette K	Director · Officer	580,565	2026-05-04	S
Ash W Patrick	Officer	453,656	2022-04-15	A
Agnew Justin J.	Officer	224,394	2026-03-07	A
Keenan W Howard JR	Director	159,706	2026-10-10	A
Yoo K. Phil	Officer	130,465	2020-04-15	F
KEYTE DAVID H	Director	121,311	2026-10-10	A
MOLLENKOPF JOHN C	Director	108,581	2026-10-10	A
MCARDLE JANINE J	Director	84,439	2026-10-10	A
Pearce Sheri	Officer	83,900	2026-08-04	S
DEA PETER A	Director	70,823	2026-10-10	A
KLIMLEY BROOKS J	Director	70,219	2026-10-10	A
ROBESON ROSE M	Director	61,571	2022-04-08	A
Peters David A	Director	40,476	2019-07-10	A
Chisholm Nancy	Director	36,223	2026-10-10	A
Munoz Jeffrey S.	Director	15,419	2026-10-10	A
WARBURG PINCUS LLC	10%+ Owner · Director	0	2019-11-12	S
Warburg Pincus Partners, L.P.	Director	0	2019-11-12	S
Warburg Pincus Partners GP LLC	Director	0	2019-11-12	S
WPP GP LLC	Director	0	2019-11-12	S
Warburg Pincus X, L.P.	Director	0	2019-11-12	S
Warburg Pincus X GP L.P.	Director	0	2019-11-12	S
WARBURG PINCUS & CO.	Director	0	2019-11-12	S
Landy Joseph P.	Director	0	2019-11-12	S
KAYE CHARLES R	10%+ Owner · Director	0	2019-11-12	S
KAGAN PETER	Director	0	2019-11-12	S
Warburg Pincus Private Equity X O&G, L.P.	10%+ Owner · Director	0	2019-11-12	S
Yorktown V CO LLC	10%+ Owner · Director	0	2019-09-05	S
YORKTOWN ENERGY PARTNERS V LP	10%+ Owner · Director	0	2019-09-05	S
Yorktown Energy Partners VI LP	10%+ Owner	0	2019-09-05	S
Yorktown VI Associates LLC	10%+ Owner	0	2019-09-05	S

Recent Filings

Date	Owner	Activity	Shares	Price	Owned After
2026-10-10	KEYTE DAVID H	Grant / award	3,408	$0.00	121,311
2026-10-10	KLIMLEY BROOKS J	Grant / award	2,015	$0.00	70,219
2026-10-10	Keenan W Howard JR	Grant / award	2,015	$0.00	159,706
2026-10-10	DEA PETER A	Grant / award	2,015	$0.00	70,823
2026-10-10	Chisholm Nancy	Grant / award	2,015	$0.00	36,223
2026-10-10	MOLLENKOPF JOHN C	Grant / award	2,015	$0.00	108,581
2026-10-10	Munoz Jeffrey S.	Grant / award	2,015	$0.00	15,419
2026-10-10	MCARDLE JANINE J	Grant / award	2,015	$0.00	84,439
2026-08-06	KLIMLEY BROOKS J	Open-market sale	5,000	$21.27	68,204
2026-08-04	Pearce Sheri	Open-market sale	16,000	$22.01	83,900
2026-07-10	KLIMLEY BROOKS J	Grant / award	1,907	$0.00	73,204
2026-07-10	KEYTE DAVID H	Grant / award	3,225	$0.00	117,903
2026-07-10	MCARDLE JANINE J	Grant / award	1,907	$0.00	82,424
2026-07-10	Munoz Jeffrey S.	Grant / award	1,907	$0.00	13,404
2026-07-10	MOLLENKOPF JOHN C	Grant / award	1,907	$0.00	106,566
2026-07-10	Chisholm Nancy	Grant / award	1,907	$0.00	34,208
2026-07-10	DEA PETER A	Grant / award	1,907	$0.00	68,808
2026-07-10	Keenan W Howard JR	Grant / award	1,907	$0.00	157,691
2026-05-04	Kennedy Michael N.	Open-market sale	100,000	$21.92	1,500,594
2026-05-04	Schultz Yvette K	Open-market sale	69,269	$21.90	580,565
2026-04-10	KLIMLEY BROOKS J	Grant / award	1,617	$0.00	71,297
2026-04-10	MOLLENKOPF JOHN C	Grant / award	1,617	$0.00	104,659
2026-04-10	MCARDLE JANINE J	Grant / award	1,617	$0.00	80,517
2026-04-10	KEYTE DAVID H	Grant / award	2,950	$0.00	114,678
2026-04-10	Munoz Jeffrey S.	Grant / award	1,617	$0.00	11,497
2026-04-10	Chisholm Nancy	Grant / award	1,617	$0.00	32,301
2026-04-10	DEA PETER A	Grant / award	1,617	$0.00	66,901
2026-04-10	Keenan W Howard JR	Grant / award	1,617	$0.00	155,784
2026-03-12	KLIMLEY BROOKS J	Open-market sale	5,000	$23.16	69,680
2026-03-10	Pearce Sheri	Open-market sale	14,000	$22.76	99,900
2026-03-09	Schultz Yvette K	Open-market sale	25,000	$22.81	649,834
2026-03-07	Schultz Yvette K	Tax withholding	66,252	$22.97	674,834
2026-03-07	Schultz Yvette K	Grant / award	97,953	$0.00	741,086
2026-03-07	Krueger Brendan E.	Tax withholding	56,546	$22.97	674,952
2026-03-07	Krueger Brendan E.	Grant / award	97,953	$0.00	731,498
2026-03-07	Kennedy Michael N.	Gift	15,000	$0.00	1,600,594
2026-03-07	Kennedy Michael N.	Tax withholding	108,526	$22.97	1,615,594
2026-03-07	Kennedy Michael N.	Grant / award	261,210	$0.00	1,724,120
2026-03-07	Agnew Justin J.	Tax withholding	15,499	$22.97	208,895
2026-03-07	Agnew Justin J.	Grant / award	32,651	$0.00	224,394

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.