Diamondback Energy, Inc. (FANG) Insider Trading

Over the last 3 months, FANG insiders made 0 open-market buys and 56 sales, a net sale of -$2.2B (SEC Form 4). Over the last 6 months, 884 institutions increased and 861 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
56
Net (3m)
-$2.2B
Insider trades by month Buys Sells
Dec
Feb
Mar
Apr
May
Jun
Context3-month price +13.4%Institutions mixed (13F)
DateInsiderTypeSharesPrice
Jun 4, 2026Van't Hof Matthew Kaesdirector, officer: Chief Executive OfficerSell10,000$210.00
Jun 4, 2026Zmigrosky Mattofficer: EVP, Chief Legal and Admin OffSell5,000$210.00
Jun 4, 2026Van't Hof Matthew Kaesdirector, officer: Chief Executive OfficerSell5,000$205.00
Jun 2, 2026Zmigrosky Mattofficer: EVP, Chief Legal and Admin OffSell5,000$200.54
Jun 2, 2026Dick Teresa L.officer: CAO, Exec. VP, Assist. Sec.Sell7,000$200.90
May 21, 2026Tsuru Frank D.directorGrant982
May 21, 2026REEVES ROBERT KdirectorGrant982
May 21, 2026Mains Stephanie K.directorGrant982
May 21, 2026Trent Melanie MontaguedirectorGrant982
May 21, 2026Brooks Vincent KdirectorGrant982
May 21, 2026Stice Travis D.directorGrant982
May 21, 2026Meloy Charles AlvindirectorGrant982
May 21, 2026HOLDERNESS DARIN GdirectorGrant982
May 21, 2026KLEIN REBECCA AdirectorGrant982
May 21, 2026WEST STEVEN EdirectorGrant982
May 21, 2026Plaumann Mark LawrencedirectorGrant982
May 21, 2026Robertson Lance WdirectorGrant982
May 21, 2026Dick Teresa L.officer: CAO, Exec. VP, Assist. Sec.Sell5,000$207.00
May 19, 2026Barkmann Albertofficer: Exec. VP and Chief EngineerSell3,000$204.04
May 19, 2026Thompson Jere W IIIofficer: CFO, Executive VPSell1,000$203.16
May 14, 2026Zmigrosky Mattofficer: EVP, Chief Legal and Admin OffSell5,000$200.10
May 14, 2026Dick Teresa L.officer: CAO, Exec. VP, Assist. Sec.Sell5,000$200.00
May 11, 2026Meloy Charles AlvindirectorSell3,909$189.56
May 11, 2026Meloy Charles AlvindirectorSell2,887$190.14
May 11, 2026Meloy Charles AlvindirectorSell2,492$189.44
May 11, 2026Meloy Charles AlvindirectorSell403$187.54
May 11, 2026Meloy Charles AlvindirectorSell3,545$188.72
May 11, 2026Meloy Charles AlvindirectorSell842$187.35
May 11, 2026Meloy Charles AlvindirectorSell1,636$188.11
Apr 8, 2026Meloy Charles AlvindirectorSell2,348$197.83

Source: FANG SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their FANG positions over the last 6 months (SEC Form 13F).

Increased
884
New positions
324
Reduced
861
Sold out
183
Largest moves
InstitutionActionSharesFiled
VANGUARD GROUP INCReduced23.0MJan 29, 2026
BLACKROCK, INC.Increased18.5MMay 13, 2026
BLACKROCK, INC.Reduced17.9MFeb 12, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position12.7MMay 15, 2026
WELLINGTON MANAGEMENT GROUP LLPIncreased12.5MMay 15, 2026
STATE STREET CORPIncreased12.1MMay 15, 2026
STATE STREET CORPIncreased10.7MFeb 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position9.7MMay 8, 2026
JPMORGAN CHASE & COIncreased6.3MMay 13, 2026
BOSTON PARTNERSIncreased5.8MMay 11, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased5.6MFeb 9, 2026
BOSTON PARTNERSReduced5.6MFeb 13, 2026
GEODE CAPITAL MANAGEMENT, LLCReduced5.3MMay 15, 2026
BANK OF NEW YORK MELLON CORPIncreased5.2MFeb 10, 2026
FMR LLCIncreased5.0MFeb 17, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.