Atmos Energy Corp (ATO) Insider Ownership

Historic Insider Ownership Trends

ATO's three largest insider shareholders as of April 11, 2026 are Kim R Cocklin (Director, 223.29K shares), Kim R Cocklin (Executive Chairman, 173.71K shares), John K Akers (President Ceo, 125.36K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Kim R Cocklin - 0 223,292 09 Dec, 2021
Kim R Cocklin Executive Chairman 173,714 0 10 Mar, 2026
John K Akers President Ceo 125,364 0 05 Nov, 2025
Richard K Gordon - 81,980 0 06 Feb, 2025
Christopher T Forsythe Sr Vice President Cfo 59,615 0 05 Nov, 2025
Stephen R Springer - 53,201 0 03 Dec, 2021
Richard A Sampson - 41,767 0 05 Feb, 2026
John S Mcdill Sr Vp, Utility Operations 34,594 0 05 Nov, 2025
Karen E Hartsfield Senior Advisor 31,213 0 05 Nov, 2025
J Matt Robbins Sr Vp, Human Resources 25,593 0 12 Dec, 2025
Richard Ii Ware - 19,235 0 04 Oct, 2021
Robert C Grable - 10,092 0 04 Jan, 2022
Diana J Walters - 9,300 0 06 Feb, 2025
Kelly H Compton - 7,959 0 10 Mar, 2026
Richard M Thomas Vice President Controller 3,960 0 07 Nov, 2024
Edward Geiser - 2,602 0 12 Nov, 2024
Jessica Walker Bateman Sr Vp, Gen Counsel, Corp Sec'Y 1,458 0 05 Jan, 2026
Michelle Faulk Vice President Controller 1,091 0 05 Nov, 2025
John C. Ale - 1,082 0 10 Mar, 2026
Sean Donohue - 877 0 04 Dec, 2025
Rafael G Garza - 192 0 02 Apr, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
01 Apr, 2026 Rafael G Garza Common Stock A 60 $185.09 192 D A
01 Apr, 2026 Edward Geiser Phantom Deferred Compensation A 176 $185.09 1,492 D A
06 Mar, 2026 Rafael G Garza Phantom Stock Units A 920 $184.73 22,666 D A
06 Mar, 2026 Nancy K Quinn Phantom Stock Units A 920 $184.73 67,991 D A
06 Mar, 2026 Sean Donohue Phantom Stock Units A 920 $184.73 9,792 D A
06 Mar, 2026 Frank H Yoho Phantom Stock Units A 920 $184.73 9,313 D A
06 Mar, 2026 Edward Geiser Phantom Stock Units A 920 $184.73 3,051 D A
06 Mar, 2026 William James Ware Phantom Stock Units A 920 $184.73 920 D A
07 Mar, 2026 Kim R Cocklin Common Stock A 1,082 $184.73 173,714 D M
06 Mar, 2026 Telisa Toliver Phantom Stock Units A 920 $184.73 3,051 D A
06 Mar, 2026 Mitzi H Coogler Phantom Stock Units A 920 $184.73 920 D A
07 Mar, 2026 Kelly H Compton Common Stock A 1,082 $184.73 7,959 D M
07 Mar, 2026 John C. Ale Common Stock A 1,082 $184.73 1,082 D M
06 Mar, 2026 John C. Ale Restricted Stock Unit A 920 $184.73 2,002 D A
06 Mar, 2026 Kim R Cocklin Phantom Stock Units A 920 $184.73 920 D A
06 Mar, 2026 Kelly H Compton Restricted Stock Unit A 920 $184.73 2,002 D A
07 Mar, 2026 John C. Ale Restricted Stock Unit D 1,082 $0.00 920 D M
07 Mar, 2026 Kim R Cocklin Restricted Stock Unit D 1,082 $0.00 0 D M
07 Mar, 2026 Kelly H Compton Restricted Stock Unit D 1,082 $0.00 920 D M
04 Feb, 2026 Richard A Sampson Common Stock A 30,808 $171.62 41,082 D C