Insider trade

10% owner sold ~$1.86B of FANG shares in the open market

Traded Sep 16, 2026 · Filed Sep 17, 2026

Diamondback EnergyFANG

~$1.86B
Reported value · 9.08M sh @ $205.26: 65M
Holds after · shares reported: -4.6%
stock since the trade · S&P 500 +1.3%, $194.54 → $185.51 on Oct 1

Why it stands out

A big owner of Diamondback Energy sold $1.86B 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: Sep 16, 2026
Reporting period: Not applicable
Filed with the SEC: Sep 17, 2026

10% owner$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$1,863,694,091

Shares × reported transaction price

Timing vs results

44 days after results of Aug 3, 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 $194.54 on Sep 16, 2026, 42% above its 52-week low and 9% below its high, after a 1% rise over the previous 30 trading days

52-week range $137.29 (Nov 5, 2025) to $213.69 (May 4, 2026), 75% of the way up, from 251 adjusted closes. 30 trading days earlier: $191.87 on Aug 4, 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	-3.0%	+1.3%	-4.3%

Past results only. Not a forecast.

Source receipt

Record ID: 0001140361-26-037010
Filed / recorded: Sep 17, 2026, 9:12 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: Sep 16, 2026
Transaction code: S
Shares / units: 9,079,675
Price per share: $205.26
Acquired / disposed: Disposed (D)
Shares owned after: 64,957,047
Ownership form: Direct
Amendment: No

Footnotes from the filing

On September 16, 2026, SGF FANG Holdings, LP, a Delaware limited partnership, sold 9,079,675 shares of common stock of Diamondback Energy, Inc., par value $0.01 per share, pursuant to Rule 144 under the Securities Act of 1933, as amended.