FORM4API
ExploreSearch any company or insiderFilingsThe newest Form 4 filings, market-wideForm 144Intent to sell, filed before the trade13F FilersInstitutional 13F-HR filers by AUMSignalsCluster buy & sell signalsScreenerFilter trades by code, size & returnCongressSTOCK Act trades disclosed by Congress
PricingDocs
SEC Form 4 explainedSEC Form 144 explained13F-HR filings explainedCluster buy signals10b5-1 trading plans
All guides →
Sign inGet a keyDashboard

Company profile

Diamondback Energy, Inc. Insider Trading

FANG

Every SEC Form 4 insider trading filing for Diamondback Energy, Inc. (FANG) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Crude Petroleum & Natural Gas
CIK
0001539838
Filings
187
Insiders
31
Last filing
2026-09-16
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $3.7B across 5 transactions.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Diamondback Energy, Inc. insiders are net sellers across the period shown.

PurchasesSales
Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26$3.8BQ3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $3.8B.

90 day insight

Over the last 90 days, Diamondback Energy, Inc. insiders sold $3.7B across 12 transactions with no open-market purchases.

  • Most active insider: Charles Alvin Meloy with 10 transactions totaling $6.6M.
  • Largest single sale: $1.9B by SGF FANG Holdings, LP on Sep 16, 2026.
  • 25% of recent sales were pre-scheduled 10b5-1 trades, typically less informative than open-market activity.

Activity skews bearish: sales outpace buys.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

Showing 5 of 50 transactions. The most significant are picked first.

DateInsiderCompanyTypeSharesPriceValueReturn
Sep 16, 2026SGF FANG Holdings, LPFANG
Sale
9,079,675$205.26$1863.69M-2.3% 1d
Sep 16, 2026SGF FANG Holdings, LPFANG
Sale
9,079,675$205.26$1863.69M-2.3% 1d
Sep 11, 2026Travis D. SticeFANG
Sale
75,000$204.31$15.32M-9.2% 1w
Jun 4, 2026SGF FANG Holdings, LPFANG
Sale
10,000,000$204.25$2042.50M+3.4% 3m
Jun 3, 2026Hof Matthew Kaes Van'tFANG
Sale
10,000$210.00$2.10M+0.0% 3m
Sale
$1863.69M
SGF FANG Holdings, LPSep 16, 2026
9,079,675 sh @ $205.26 · FANG-2.3% 1d
Sale
$1863.69M
SGF FANG Holdings, LPSep 16, 2026
9,079,675 sh @ $205.26 · FANG-2.3% 1d
Sale
$15.32M
Travis D. SticeSep 11, 2026
75,000 sh @ $204.31 · FANG-9.2% 1w
Sale
$2042.50M
SGF FANG Holdings, LPJun 4, 2026
10,000,000 sh @ $204.25 · FANG+3.4% 3m
Sale
$2.10M
Hof Matthew Kaes Van'tJun 3, 2026
10,000 sh @ $210.00 · FANG+0.0% 3m

45 more transactions hidden

Free account · No credit card required

Building something? Get API access →

Query this yourself

The same rows, over the API.

curl "https://api.form4api.com/v1/transactions?ticker=FANG" \
  -H "X-Api-Key: $KEY"
Get a key

Top insiders

By open-market value traded.

SGF FANG Holdings, LP3 filings−$5.8B
Charles Alvin MeloyDirector7 filings−$22.2M
Travis D. SticeChief Executive Officer1 filing−$15.3M
Hof Matthew Kaes Van'tChief Executive Officer5 filings−$6.3M
Teresa L. DickEVP Accounting, Assist. Sec.4 filings−$4.5M

Institutional Ownership

Top 13F-HR holders of Diamondback Energy, Inc. as of 2026-06-30

↓ decreasing
Total reported AUM
$10.69B
QoQ change
-67.8%
Reporting period
2026-06-30
#1
State Street Corp
CIK 0000093751
$2.21B
12.6M shares
#2
BlackRock, Inc.
CIK 0002012383
$1.26B
7.2M shares
#3
BlackRock, Inc.
CIK 0002012383
$746.7M
4.2M shares

Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →

FORM4API

Real-time SEC Form 4, Form 144, 13F-HR and congressional trading data, over a REST API and webhooks.

Data
  • Screener
  • Filings
  • Signals
  • Companies
  • Insiders
  • Congress trades
  • 13F filers
  • Explorer
  • Top insiders
Developers
  • Documentation
  • Insider trading API
  • Python SDK
  • TypeScript SDK
  • MCP server
  • Status
Company
  • Pricing
  • Guides
  • Compare
  • About
  • Data quality
  • Privacy
  • Terms
Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

Congressional Trading

Disclosed FANG trades under the STOCK Act

Total trades
4
Purchases
1
Sales
3
Lisa C. McClain
Republican · House · MI
1 buy
1 sell
Robert P. Bresnahan, Jr.
Republican · House · PA
0 buys
1 sell
Roger Williams
Republican · House · TX
0 buys
1 sell

Sourced from U.S. House Clerk periodic transaction reports (House coverage only). Trade counts reflect disclosed filings only. The STOCK Act allows up to 45 days between a trade and its disclosure, so this reflects recent disclosures, not real-time trading. Full congressional trading API →

Popular companies on Form4API

Browse insider trading activity for other actively-filed companies.

TEAMAtlassian CorpLEGLeggett & Platt IncVZVerizon Communications IncTPLTexas Pacific Land CorpCRMSalesforce, Inc.RCGRENN Fund, Inc.METAMeta Platforms, Inc.ACNAccenture plcPPGPpg Industries IncNFLXNetflix IncCHDChurch & Dwight Co Inc