Diamondback Energy · Insider Trading

Last 365 days · Open-market buys and sells by officers and directors · Same-day, same-person, same-direction trades combined · Amounts in USD millions← FANG

Buy

0 · $0.00M

Sell

32 · $5,863M

Net

−$5,863M

By Insider

Name	Title	Buy	Sell	Latest Trade
SGF FANG Holdings, LP	—	—	28,159,350 shares · $5,770M	2026-09-16
Meloy Charles Alvin	—	—	181,428 shares · $34.4M	2026-10-05
Diamondback Energy, Inc.	—	—	510,071 shares · $23.3M	2026-03-19
Stice Travis D.	—	—	75,000 shares · $15.3M	2026-09-11
Dick Teresa L.	EVP Accounting, Assist. Sec.	—	32,000 shares · $6.5M	2026-09-15
Van't Hof Matthew Kaes	Chief Executive Officer	—	30,000 shares · $6.3M	2026-08-20
Zmigrosky Matt	EVP, Chief Legal and Admin Off	—	18,826 shares · $3.8M	2026-09-15
Wesson Daniel N	Exec. VP & COO	—	12,500 shares · $2.6M	2026-08-20
Barkmann Albert	Exec. VP and Chief Engineer	—	3,000 shares · $0.61M	2026-05-15
Plaumann Mark Lawrence	—	—	1,500 shares · $0.31M	2026-08-21
Thompson Jere W III	CFO, Executive VP	—	1,500 shares · $0.31M	2026-08-14

All Trades

Date	Name	Title	Side	Shares	Trades	Avg Price	Value
2026-10-05	Meloy Charles Alvin	Director	Sell	33,333	3	183.74	$6.1M
2026-09-16	SGF FANG Holdings, LP	—	Sell	18,159,350	2	205.26	$3,727M
2026-09-15	Dick Teresa L.	EVP Accounting, Assist. Sec.	Sell	5,000	1	210.00	$1.1M
2026-09-15	Zmigrosky Matt	EVP, Chief Legal and Admin Off	Sell	1,326	1	212.56	$0.28M
2026-09-11	Stice Travis D.	Director	Sell	75,000	1	204.31	$15.3M
2026-08-21	Plaumann Mark Lawrence	Director	Sell	1,000	1	210.58	$0.21M
2026-08-20	Wesson Daniel N	Exec. VP & COO	Sell	7,500	1	215.21	$1.6M
2026-08-20	Van't Hof Matthew Kaes	Chief Executive Officer	Sell	10,000	2	214.66	$2.1M
2026-08-14	Thompson Jere W III	CFO, Executive VP	Sell	500	1	204.14	$0.10M
2026-08-14	Zmigrosky Matt	EVP, Chief Legal and Admin Off	Sell	2,500	1	202.77	$0.51M
2026-08-11	Van't Hof Matthew Kaes	Chief Executive Officer	Sell	5,000	1	202.46	$1.0M
2026-08-03	Meloy Charles Alvin	Director	Sell	33,333	4	198.41	$6.6M
2026-06-16	Meloy Charles Alvin	Director	Sell	83,334	3	187.12	$15.6M
2026-06-09	Plaumann Mark Lawrence	Director	Sell	500	1	196.50	$0.10M
2026-06-04	SGF FANG Holdings, LP	—	Sell	10,000,000	1	204.25	$2,043M
2026-06-04	Dick Teresa L.	CAO, Exec. VP, Assist. Sec.	Sell	5,000	1	205.00	$1.0M
2026-06-03	Zmigrosky Matt	EVP, Chief Legal and Admin Off	Sell	5,000	1	210.00	$1.1M
2026-06-03	Van't Hof Matthew Kaes	Chief Executive Officer	Sell	15,000	2	208.33	$3.1M
2026-06-02	Dick Teresa L.	CAO, Exec. VP, Assist. Sec.	Sell	7,000	1	200.90	$1.4M
2026-06-01	Zmigrosky Matt	EVP, Chief Legal and Admin Off	Sell	5,000	1	200.54	$1.0M
2026-05-19	Dick Teresa L.	CAO, Exec. VP, Assist. Sec.	Sell	5,000	1	207.00	$1.0M
2026-05-15	Thompson Jere W III	CFO, Executive VP	Sell	1,000	1	203.16	$0.20M
2026-05-15	Barkmann Albert	Exec. VP and Chief Engineer	Sell	3,000	1	204.04	$0.61M
2026-05-14	Dick Teresa L.	CAO, Exec. VP, Assist. Sec.	Sell	5,000	1	200.00	$1.0M
2026-05-13	Zmigrosky Matt	EVP, Chief Legal and Admin Off	Sell	5,000	1	200.10	$1.0M
2026-05-08	Meloy Charles Alvin	Director	Sell	7,857	3	189.08	$1.5M
2026-05-07	Meloy Charles Alvin	Director	Sell	7,857	4	189.20	$1.5M
2026-04-07	Meloy Charles Alvin	Director	Sell	7,857	4	197.01	$1.5M
2026-04-06	Meloy Charles Alvin	Director	Sell	7,857	3	193.93	$1.5M
2026-03-20	Dick Teresa L.	CAO, Exec. VP, Assist. Sec.	Sell	5,000	1	193.00	$0.97M
2026-03-20	Wesson Daniel N	Exec. VP & COO	Sell	5,000	1	191.96	$0.96M
2026-03-19	Diamondback Energy, Inc.	—	Sell	510,071	1	45.69	$23.3M

Data comes from insiders' SEC ownership filings (Form 4). Only open-market purchases (P) and sales (S) are counted; option exercises, grants, tax withholding and other non-trading changes are excluded.