Michael Stock - 01 Sep 2026 Form 4 Insider Report for Liberty Energy Inc. (LBRT)

Reporting relationship: Chief Financial Officer
Issuer ticker: LBRT
Reported as of: 01 Sep 2026
Net transaction value: -$132,253
SEC form: 4
Accepted by SEC: 01 Sep 2026, 16:40:39 UTC
Prior SEC filing: 04 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Kamal Gala, attorney-in-fact for Michael Stock

Key filing fact

Michael Stock filed Form 4 for Liberty Energy Inc. (LBRT) on 01 Sep 2026.

Key facts

This page summarizes Michael Stock's Form 4 filing for Liberty Energy Inc. (LBRT).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 Sep 2026, 16:40.

Change

Previous filing in this sequence was filed on 04 Aug 2026.
Current net transaction value: -$132,253.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001705066 Primary reporting owner

Stock Michael

Relationship: Chief Financial Officer
Address: 950 17TH STREET, SUITE 2400, DENVER
Signature: /s/ Kamal Gala, attorney-in-fact for Michael Stock
Signature date: 01 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LBRT transaction

Class A Common Stock

Sale

Transaction value: $132,253
Shares: -6,666
Change %: -0.87%
Price: $19.84
Shares after: 760,379
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 17, 2026 for sales beginning in May 2026.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.68 to $20.00, inclusive. The Reporting Person undertakes to provide to Liberty Energy Inc., any security holder of Liberty 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.