Edward Geiser - 01 Jul 2026 Form 4 Insider Report for ATMOS ENERGY CORP (ATO)

Reporting relationship: Director
Issuer ticker: ATO
Reported as of: 01 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Jul 2026, 16:54:06 UTC
Prior SEC filing: 02 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/Suzanne Johnson by POA

Key filing fact

Edward Geiser filed Form 4 for ATMOS ENERGY CORP (ATO) on 02 Jul 2026.

Key facts

This page summarizes Edward Geiser's Form 4 filing for ATMOS ENERGY CORP (ATO).
1 reported transaction and 2 derivative rows are listed below.
Accepted by SEC: 02 Jul 2026, 16:54.

Change

Previous filing in this sequence was filed on 02 Apr 2026.
Current net transaction value: $0.

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 0001839074 Primary reporting owner

Geiser Edward

Relationship: Director
Address: 5430 LBJ FREEWAY, SUITE 1800, DALLAS
Signature: /s/Suzanne Johnson by POA
Signature date: 02 Jul 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ATO transaction Derivative

Phantom Deferred Compensation

Award

Transaction value
Shares: +188
Change %: +13%
Price: $172.92^*
Shares after: 1,689
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 188
Exercise price
Footnotes: F1, F4, F5

ATO holding Derivative

Phantom Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,080
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,080
Exercise price
Footnotes: F1, F2, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Each unit of phantom stock is equivalent to one share of the Company's common stock.

Footnote F2

The phantom stock units were granted under the 1998 Long-Term Incentive Plan (the "Plan") and are to be settled upon the reporting person's termination of service on the Company's Board.

Footnote F3

Includes 18.10 phantom stock units resulting from a dividend reinvestment feature of the Plan which were allocated to reporting person's account since last filing.

Footnote F4

The phantom share units were received pursuant to an election to convert a portion of the reporting person's director fees under the Plan and are to be settled upon the reporting person's termination of service on the Company's Board of Directors.

Footnote F5

Includes 8.81 phantom stock units resulting from the dividend reinvestment feature of the Plan which were allocated to reporting person's account since last filing.