Insider trade

Officer sold ~$781K of FANG shares in the open market

Traded Mar 18, 2026 · Filed Mar 19, 2026

~$781K
Reported value · 4,101 sh @ $190.5128: 56K
Holds after · shares reported: -2.2%
stock since the trade · S&P 500 +15.5%, $189.68 → $185.51 on Oct 1

Why it stands out

Diamondback Energy's Chief Legal and Admin Off sold $781K of Diamondback Energy shares. Nobody planned it ahead of time.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Mar 18, 2026
Reporting period: Not applicable
Filed with the SEC: Mar 19, 2026

Officer$500K–$1M

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$781,293

Shares × reported transaction price

Timing vs results

23 days after results of Feb 23, 2026, 26 days before results of Apr 13, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $189.68 on Mar 18, 2026, at its 52-week high, after a 16% rise over the previous 30 trading days

52-week range $119.25 (Apr 8, 2025) to $189.68 (Mar 18, 2026), 100% of the way up, from 251 adjusted closes. 30 trading days earlier: $162.88 on Feb 3, 2026. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+4.8%	-2.2%	+7.1%
30 days	-4.7%	+9.3%	-14.0%
90 days	-4.7%	+15.1%	-19.8%
180 days	+1.0%	+16.3%	-15.2%

Past results only. Not a forecast.

Source receipt

Record ID: 0001539838-26-000056
Filed / recorded: Mar 19, 2026, 9:37 PM UTC
Added to OQRO: Oct 2, 2026, 12:27 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: Diamondback Energy, Inc.
Issuer CIK: 1539838
Ticker: FANG
Reporting person: Matt Zmigrosky
Relationship: Officer
Officer title: EVP, Chief Legal and Admin Off
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Mar 18, 2026
Transaction code: S
Shares / units: 4,101
Price per share: $190.5128
Acquired / disposed: Disposed (D)
Shares owned after: 56,392
Ownership form: Direct
Amendment: No

Footnotes from the filing

The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $190.48 per share to $190.68 per share, inclusive. The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Around the same time

Director sold ~$448K of Diamondback Energy

Scheduled in advance6mo ago

Director sold ~$1.04M of Diamondback Energy

Scheduled in advance6mo ago

Director sold ~$36K of Diamondback Energy

Scheduled in advance6mo ago