Insider trade

10% owner sold ~$177M of FANG shares in the open market

Traded Mar 4, 2026 · Filed Mar 5, 2026

Diamondback EnergyFANG

~$177M
Reported value · 1M sh @ $176.71: 96.7M
Holds after · shares reported: +5.0%
stock since the trade · S&P 500 +11.5%, $176.71 → $185.51 on Oct 1

Why it stands out

A big owner of Diamondback Energy sold $177M 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 4, 2026
Reporting period: Not applicable
Filed with the SEC: Mar 5, 2026

10% owner$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$176,710,000

Shares × reported transaction price

Timing vs results

9 days after results of Feb 23, 2026, 40 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 $176.71 on Mar 4, 2026, within 2% of its 52-week high, after a 19% rise over the previous 30 trading days

52-week range $119.25 (Apr 8, 2025) to $178.96 (Mar 2, 2026), 96% of the way up, from 251 adjusted closes. 30 trading days earlier: $148.70 on Jan 20, 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	+1.0%	-1.5%	+2.5%
30 days	+7.6%	-2.0%	+9.6%
90 days	+12.4%	+12.6%	-0.2%
180 days	+12.7%	+13.8%	-1.1%

Past results only. Not a forecast.

Source receipt

Record ID: 0001140361-26-008075
Filed / recorded: Mar 5, 2026, 9:15 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: SGF FANG Holdings, LP
Relationship: 10% owner
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Mar 4, 2026
Transaction code: S
Shares / units: 1,000,000
Price per share: $176.71
Acquired / disposed: Disposed (D)
Shares owned after: 96,686,727
Ownership form: Direct
Amendment: No

Footnotes from the filing

Pursuant to a letter agreement, dated November 28, 2025, by and between Diamondback Energy, Inc., a Delaware corporation (the "Company"), and SGF FANG Holdings, LP, a Delaware limited partnership ("SGF FANG"), SGF FANG sold 1,000,000 shares of common stock to the Company on March 4, 2026 at the March 4, 2026 closing price of the common stock on Nasdaq. Mrs. Greth is the ultimate beneficial owner of the shares held of record by SGF FANG and indirectly controls SGF Capital LLC, its general partner.