Kim R. Cocklin - 06 Mar 2026 Form 4 Insider Report for ATMOS ENERGY CORP (ATO)

Role
Director
Signature
/s/Suzanne Johnson by POA
Issuer symbol
ATO
Transactions as of
06 Mar 2026
Net transactions value
$0
Form type
4
Filing time
10 Mar 2026, 16:50:40 UTC
Previous filing
15 May 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
COCKLIN KIM R Director 5430 LBJ FREEWAY, SUITE 1800, DALLAS /s/Suzanne Johnson by POA 10 Mar 2026 0001238118

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATO Common Stock Options Exercise +1,082 +0.63% $184.73* 173,714 07 Mar 2026 Direct
holding ATO Common Stock 0 06 Mar 2026 By Retirement Savings Plan and Trust

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ATO Phantom Stock Units Award +920 $184.73* 920 06 Mar 2026 Common Stock 920 Direct F1, F2
transaction ATO Restricted Stock Unit Options Exercise -1,082 -100% $0.000000* 0 07 Mar 2026 Common Stock 1,082 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each unit of phantom stock is equivalent to one share of the Company's common stock.
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.
F3 Each restricted share unit represents the right to receive one share of the Company's common stock.
F4 The restricted share units vested and were delivered to the reporting person one year from date of grant.