About this page
Insider trades reported on SEC Form 4: when the people who run a company buy or sell its shares with their own money.
How to read it
- Form 4
- The form a company insider (officer, director or owner of more than 10%) must file with the SEC within two business days of buying or selling the company's shares.
- Buy (P) and Sell (S)
- Open-market purchases and sales. Gifts, option exercises and automatic tax withholding are left out because they say little about what the insider thinks.
- Value
- Shares times price, as reported on the filing.
- 10b5-1
- A trade made under a plan set up in advance. Planned sales are common and usually say less than an unplanned purchase.
- Late filing
- A Form 4 filed more than two business days after the trade.
- Vs. S&P 500
- How the stock did after the trade minus how the overall market did in the same weeks.
A real example
In January 2016, when bank stocks were falling, JPMorgan Chase CEO Jamie Dimon bought 500,000 JPMorgan shares with his own money, worth about $26 million. His Form 4 made the purchase public within days, and investors read it as a strong sign of confidence.
Explain it like I'm 13
If the coach of a team bets his own allowance that his team will win, that tells you something. A Form 4 is the note a company boss must hand in whenever he buys or sells his own company's shares, so everyone can see it.
Data from public SEC filings and congressional reports. Information, not investment advice. Check every number against the filing linked on the page.
Diamondback Energy, Inc. (FANG): Insider Trades and Fund Holdings
In the past 12 months, Diamondback Energy, Inc. insiders reported no open-market purchases and 11 sales worth $3.75B; 1 of the sales were reported as made under a 10b5-1 trading plan.
Timeline: news and trades
Company filings (8-K), insider trades, notices of planned sales (Form 144) and fund moves in the past year, newest first.
- Oct 8, 2026NewsCompany reported: Quarterly or annual results
- Oct 5, 2026Insider saleDirector Charles Alvin Meloy sold $6.1 million under a 10b5-1 plan (5 days after: signed a material agreement)
- Oct 5, 2026Planned saleCharles A. Meloy (director) filed notice to sell about $6.1 million around Oct 5, 2026
- Sep 30, 2026NewsCompany reported: Signed a material agreement; Executive or director change
- Sep 16, 2026Insider sale10% owner Sgf Fang Holdings, LP sold $3.73 billion
- Sep 16, 2026Planned saleSGF FANG Holdings, LP (10% stockholder) filed notice to sell about $1.92 billion around Sep 16, 2026
- Sep 15, 2026Insider saleEVP Teresa L. Dick sold $1.1 million
- Sep 15, 2026Insider saleGeneral Counsel Matt Zmigrosky sold $281,848
- Sep 15, 2026Planned saleDick Teresa L. (officer) filed notice to sell about $1.1 million around Sep 15, 2026
- Sep 15, 2026Planned saleZmigrosky Matt (officer) filed notice to sell about $281,848 around Sep 15, 2026
- Sep 11, 2026Insider saleDirector Travis D. Stice sold $15.3 million
- Sep 11, 2026Planned saleStice Travis D. (officer, director) filed notice to sell about $15.3 million around Sep 11, 2026
- Aug 21, 2026Insider saleDirector Mark Lawrence Plaumann sold $210,577
- Aug 21, 2026Planned salePlaumann Mark Lawrence (director) filed notice to sell about $210,577 around Aug 21, 2026
- Aug 20, 2026Insider saleCEO Hof Matthew Kaes Van'T sold $2.1 million
- Aug 20, 2026Insider saleCOO Daniel N. Wesson sold $1.6 million
- Aug 20, 2026Planned saleVan't Hof Matthew Kaes (officer, director) filed notice to sell about $2.1 million around Aug 20, 2026
- Aug 20, 2026Planned saleWesson Daniel N (officer) filed notice to sell about $1.6 million around Aug 20, 2026
- Aug 14, 2026Insider saleGeneral Counsel Matt Zmigrosky sold $506,930
- Aug 14, 2026Insider saleCFO Jere W. Thompson III sold $102,070
- Jun 30, 2026FundRenaissance Technologies opened a position in Q2 2026 (13F filed Aug 13, 2026)
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 7, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Oct 7 | Charles Alvin MeloyDirector | ▼ SELL10b5-1 | $6.12M |
| Sep 17 | Sgf Fang Holdings, LP10% owner | ▼ SELL | $1.86B |
| Sep 17 | Sgf Fang Holdings, LP10% owner | ▼ SELL | $1.86B |
| Sep 17 | Teresa L. DickEVP | ▼ SELL | $1.05M |
| Sep 17 | Matt ZmigroskyGeneral Counsel | ▼ SELL | $282K |
| Sep 14 | Travis D. SticeDirector | ▼ SELL | $15.3M |
| Aug 24 | Hof Matthew Kaes Van'TCEO | ▼ SELL | $2.15M |
| Aug 24 | Daniel N. WessonCOO | ▼ SELL | $1.61M |
| Aug 24 | Mark Lawrence PlaumannDirector | ▼ SELL | $211K |
| Aug 17 | Matt ZmigroskyGeneral Counsel | ▼ SELL | $507K |
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Charles Alvin Meloy | Director | 0 | $0 | 1 | $6.12M |
| Sgf Fang Holdings, LP | 10% owner | 0 | $0 | 2 | $3.73B |
| Teresa L. Dick | EVP | 0 | $0 | 1 | $1.05M |
| Matt Zmigrosky | General Counsel | 0 | $0 | 2 | $789K |
| Travis D. Stice | Director | 0 | $0 | 1 | $15.3M |
| Hof Matthew Kaes Van'T | CEO | 0 | $0 | 1 | $2.15M |
| Daniel N. Wesson | COO | 0 | $0 | 1 | $1.61M |
| Mark Lawrence Plaumann | Director | 0 | $0 | 1 | $211K |
Buybacks and executive pay
Diamondback Energy, Inc. spent $959 million buying back its own shares in 2024.
From the company's XBRL data filed with the SEC. "Actually paid" is the SEC's pay-versus-performance measure, which counts changes in the value of stock awards. "Value of $100 invested" is the company's cumulative shareholder return as reported, usually measured from five years earlier. See all buybacks and CEO pay across companies.
Tracked funds that report FANG
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 331,500 | $58.3M | ▲ New |
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →