Atmos Energy Corporation

ATONYSEUtilities● Active

$167.81

$-2.43(-1.43%)

Market Cap$28.0B

P/E Ratio—

52W High$192.51

52W Low$149.98

Avg Volume1.2M

Open$169.97

Beta0.60

Insider Trades Ownership Employees

Atmos Energy Corporation (ATO) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · ATO · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Atmos Energy Corporation insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

ATO insider buying and selling by quarter

ATO insider selling · ATO insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

118K59K0

2024 Q3

2024 Q4

2025 Q1

2025 Q2

2025 Q3

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · ATO ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

ATO executive sell shares · ATO board member insider trading · ATO insider trading SEC filing

Showing 52 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
May 2, 2026	ROBBINS J MATT SR VP, HUMAN RESOURCES	Option	2,815	$189.74	$534K	28,408.083	Form 4
May 2, 2026	ROBBINS J MATT SR VP, HUMAN RESOURCES	Other	1,042	$189.74	$198K	27,366.083	Form 4
May 2, 2026	MCDILL JOHN S SR VP, UTILITY OPERATIONS	Option	2,815	$189.74	$534K	37,414.294	Form 4
May 2, 2026	MCDILL JOHN S SR VP, UTILITY OPERATIONS	Other	1,042	$189.74	$198K	36,372.294	Form 4
May 2, 2026	HARTSFIELD KAREN E Senior Advisor	Option	2,815	$189.74	$534K	34,027.716	Form 4
May 2, 2026	HARTSFIELD KAREN E Senior Advisor	Other	1,042	$189.74	$198K	32,985.716	Form 4
May 2, 2026	Forsythe Christopher T SR VICE PRESIDENT & CFO	Option	3,970	$189.74	$753K	63,584.706	Form 4
May 2, 2026	Forsythe Christopher T SR VICE PRESIDENT & CFO	Other	1,563	$189.74	$297K	62,021.706	Form 4
May 2, 2026	FAULK MICHELLE Vice President & Controller	Option	175	$189.74	$33K	1,271.886	Form 4
May 2, 2026	FAULK MICHELLE Vice President & Controller	Other	70	$189.74	$13K	1,201.886	Form 4
May 2, 2026	AKERS JOHN K PRESIDENT & CEO · Director	Option	16,850	$189.74	$3.20M⚡	142,214.199	Form 4
May 2, 2026	AKERS JOHN K PRESIDENT & CEO · Director	Other	6,235	$187.74	$1.17M⚡	135,979.199	Form 4
Apr 1, 2026	GARZA RAFAEL G Director	Award	60	$185.09	$11K	192	Form 4
Mar 7, 2026	COMPTON KELLY H Director	Option	1,082	$184.73	$200K	7,959.061	Form 4
Mar 7, 2026	COCKLIN KIM R Director	Option	1,082	$184.73	$200K	173,713.605	Form 4
Mar 7, 2026	Ale John C. Director	Option	1,082	$184.73	$200K	1,082	Form 4
Feb 4, 2026	Sampson Richard A Director	Other	685	$171.62	$118K	41,767.04	Form 4
Feb 4, 2026	Sampson Richard A Director	Other	30,808	$171.62	$5.29M⚡	41,082.04	Form 4
Jan 2, 2026	BATEMAN JESSICA WALKER Sr VP, Gen Counsel, Corp Sec'y	Option	2,500	$168.23	$421K	2,500	Form 4
Jan 2, 2026	BATEMAN JESSICA WALKER Sr VP, Gen Counsel, Corp Sec'y	Other	1,042	$168.23	$175K	1,458	Form 4
Jan 2, 2026	GARZA RAFAEL G Director	Award	66	$168.23	$11K	132	Form 4
Dec 16, 2025	COMPTON KELLY H Director	Gift	442	$169.16	$75K	6,877.061	Form 4
Dec 10, 2025	ROBBINS J MATT SR VP, HUMAN RESOURCES	Gift	1,500	$166.80	$250K	25,593.083	Form 4
Dec 3, 2025	DONOHUE SEAN Director	Sale	450	$171.15	$77K	876.598	Form 4
Nov 4, 2025	AKERS JOHN K PRESIDENT & CEO · Director	Option	32,297	$172.96	$5.59M⚡	138,073.199	Form 4

ROBBINS J MATT

SR VP, HUMAN RESOURCES

Option

Date

May 2

2,815

Price

$189.74

Value

$534K

View Form 4 on SEC.gov

ROBBINS J MATT

SR VP, HUMAN RESOURCES

Other

Date

May 2

1,042

Price

$189.74

Value

$198K

View Form 4 on SEC.gov

MCDILL JOHN S

SR VP, UTILITY OPERATIONS

Option

Date

May 2

2,815

Price

$189.74

Value

$534K

View Form 4 on SEC.gov

MCDILL JOHN S

SR VP, UTILITY OPERATIONS

Other

Date

May 2

1,042

Price

$189.74

Value

$198K

View Form 4 on SEC.gov

HARTSFIELD KAREN E

Senior Advisor

Option

Date

May 2

2,815

Price

$189.74

Value

$534K

View Form 4 on SEC.gov

HARTSFIELD KAREN E

Senior Advisor

Other

Date

May 2

1,042

Price

$189.74

Value

$198K

View Form 4 on SEC.gov

Forsythe Christopher T

SR VICE PRESIDENT & CFO

Option

Date

May 2

3,970

Price

$189.74

Value

$753K

View Form 4 on SEC.gov

Forsythe Christopher T

SR VICE PRESIDENT & CFO

Other

Date

May 2

1,563

Price

$189.74

Value

$297K

View Form 4 on SEC.gov

FAULK MICHELLE

Vice President & Controller

Option

Date

May 2

175

Price

$189.74

Value

$33K

View Form 4 on SEC.gov

FAULK MICHELLE

Vice President & Controller

Other

Date

May 2

Price

$189.74

Value

$13K

View Form 4 on SEC.gov

AKERS JOHN K

PRESIDENT & CEO · Director

Option

Date

May 2

16,850

Price

$189.74

Value

$3.20M ⚡

View Form 4 on SEC.gov

AKERS JOHN K

PRESIDENT & CEO · Director

Other

Date

May 2

6,235

Price

$187.74

Value

$1.17M ⚡

View Form 4 on SEC.gov

GARZA RAFAEL G

Director

Award

Date

Apr 1

Price

$185.09

Value

$11K

View Form 4 on SEC.gov

COMPTON KELLY H

Director

Option

Date

Mar 7

1,082

Price

$184.73

Value

$200K

View Form 4 on SEC.gov

COCKLIN KIM R

Director

Option

Date

Mar 7

1,082

Price

$184.73

Value

$200K

View Form 4 on SEC.gov

Ale John C.

Director

Option

Date

Mar 7

1,082

Price

$184.73

Value

$200K

View Form 4 on SEC.gov

Sampson Richard A

Director

Other

Date

Feb 4

685

Price

$171.62

Value

$118K

View Form 4 on SEC.gov

Sampson Richard A

Director

Other

Date

Feb 4

30,808

Price

$171.62

Value

$5.29M ⚡

View Form 4 on SEC.gov

BATEMAN JESSICA WALKER

Sr VP, Gen Counsel, Corp Sec'y

Option

Date

Jan 2

2,500

Price

$168.23

Value

$421K

View Form 4 on SEC.gov

BATEMAN JESSICA WALKER

Sr VP, Gen Counsel, Corp Sec'y

Other

Date

Jan 2

1,042

Price

$168.23

Value

$175K

View Form 4 on SEC.gov

GARZA RAFAEL G

Director

Award

Date

Jan 2

Price

$168.23

Value

$11K

View Form 4 on SEC.gov

COMPTON KELLY H

Director

Gift

Date

Dec 16

442

Price

$169.16

Value

$75K

View Form 4 on SEC.gov

ROBBINS J MATT

SR VP, HUMAN RESOURCES

Gift

Date

Dec 10

1,500

Price

$166.80

Value

$250K

View Form 4 on SEC.gov

DONOHUE SEAN

Director

Sale

Date

Dec 3

450

Price

$171.15

Value

$77K

View Form 4 on SEC.gov

AKERS JOHN K

PRESIDENT & CEO · Director

Option

Date

Nov 4

32,297

Price

$172.96

Value

$5.59M ⚡

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 3

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About ATO insider trading

ATO insider trades

Atmos Energy Corporation (ATO) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including ROBBINS J MATT (SR VP, HUMAN RESOURCES), MCDILL JOHN S (SR VP, UTILITY OPERATIONS), HARTSFIELD KAREN E (Senior Advisor). Over the past 12 months, 5 insiders have filed transactions with the SEC. ATO insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Atmos Energy Corporation's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

ATO insider trading · 5 questions

The insiders of Atmos Energy Corporation (ATO) include executives and directors such as ROBBINS J MATT (SR VP, HUMAN RESOURCES), MCDILL JOHN S (SR VP, UTILITY OPERATIONS), HARTSFIELD KAREN E (Senior Advisor), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

ATO board member insider tradingwho are ATO insidersATO insider rosterAtmos Energy Corporation executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026