Richard M Thomas

Insider

First SEC filing: Feb. 17, 2017 · Latest: Feb. 17, 2017

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

ATO selling Nov. 17, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 48 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

48 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 5, 2024	ATO	F	484	$137.32	$66,463	3,960 Direct	-10.89%	Disposed	25.3% (price as of 2026-08-20)
Nov. 5, 2024	ATO	M	1,228	$137.32	$168,629	4,444 Direct	+38.18%	Acquired	25.3% (price as of 2026-08-20)
May 7, 2024	ATO	A	355	$119.86	$42,550	1,745 Direct	+25.54%	Acquired	43.5% (price as of 2026-08-20)
May 3, 2024	ATO	M	855	—	—	1,390 Direct	-38.08%	Disposed	(price as of 2026-08-20)
May 3, 2024	ATO	F	368	$119.09	$43,825	3,175 Direct	-10.39%	Disposed	44.4% (price as of 2026-08-20)
May 3, 2024	ATO	M	855	$119.09	$101,822	3,543 Direct	+31.81%	Acquired	44.4% (price as of 2026-08-20)
Nov. 17, 2023	ATO	S	1,750	$114.20	$199,850	2,650 Direct	-39.77%	Disposed	50.6% (price as of 2026-08-20)
Nov. 8, 2023	ATO	F	673	$108.60	$73,088	4,400 Direct	-13.27%	Disposed	58.4% (price as of 2026-08-20)
Nov. 8, 2023	ATO	M	1,710	$108.60	$185,706	5,073 Direct	+50.85%	Acquired	58.4% (price as of 2026-08-20)
May 5, 2023	ATO	M	695	—	—	2,245 Direct	-23.64%	Disposed	(price as of 2026-08-20)
May 5, 2023	ATO	F	304	$117.92	$35,848	3,319 Direct	-8.39%	Disposed	45.9% (price as of 2026-08-20)
May 5, 2023	ATO	M	695	$117.92	$81,954	3,623 Direct	+23.74%	Acquired	45.9% (price as of 2026-08-20)
May 3, 2023	ATO	A	720	$113.83	$81,958	2,940 Direct	+32.43%	Acquired	51.1% (price as of 2026-08-20)
Nov. 15, 2022	ATO	S	1,100	$110.37	$121,407	2,891 Direct	-27.56%	Disposed	55.8% (price as of 2026-08-20)
Nov. 8, 2022	ATO	F	449	$104.53	$46,934	3,991 Direct	-10.11%	Disposed	64.6% (price as of 2026-08-20)
Nov. 8, 2022	ATO	M	1,140	$104.53	$119,164	4,440 Direct	+34.55%	Acquired	64.6% (price as of 2026-08-20)
May 6, 2022	ATO	M	770	—	—	2,220 Direct	-25.75%	Disposed	(price as of 2026-08-20)
May 6, 2022	ATO	F	328	$114.33	$37,500	3,281 Direct	-9.09%	Disposed	50.4% (price as of 2026-08-20)
May 6, 2022	ATO	M	770	$114.33	$88,034	3,609 Direct	+27.12%	Acquired	50.4% (price as of 2026-08-20)
May 3, 2022	ATO	A	670	$113.26	$75,884	2,990 Direct	+28.88%	Acquired	51.9% (price as of 2026-08-20)
Feb. 10, 2022	ATO	S	950	$106.60	$101,270	2,822 Direct	-25.19%	Disposed	61.4% (price as of 2026-08-20)
Nov. 10, 2021	ATO	F	492	$93.98	$46,238	3,618 Direct	-11.97%	Disposed	83.0% (price as of 2026-08-20)
Nov. 10, 2021	ATO	M	1,250	$93.98	$117,475	4,110 Direct	+43.71%	Acquired	83.0% (price as of 2026-08-20)
May 4, 2021	ATO	A	855	$103.49	$88,484	2,320 Direct	+58.36%	Acquired	66.2% (price as of 2026-08-20)
May 1, 2021	ATO	M	765	—	—	1,465 Direct	-34.30%	Disposed	(price as of 2026-08-20)
May 1, 2021	ATO	F	335	$102.88	$34,465	2,860 Direct	-10.49%	Disposed	67.2% (price as of 2026-08-20)
May 1, 2021	ATO	M	765	$102.88	$78,703	3,195 Direct	+31.48%	Acquired	67.2% (price as of 2026-08-20)
Nov. 11, 2020	ATO	F	372	$101.25	$37,665	2,430 Direct	-13.28%	Disposed	69.9% (price as of 2026-08-20)
Nov. 11, 2020	ATO	M	945	$101.25	$95,681	2,802 Direct	+50.89%	Acquired	69.9% (price as of 2026-08-20)
May 5, 2020	ATO	A	695	$102.03	$70,911	2,230 Direct	+45.28%	Acquired	68.6% (price as of 2026-08-20)
May 1, 2020	ATO	M	835	—	—	1,535 Direct	-35.23%	Disposed	(price as of 2026-08-20)
May 1, 2020	ATO	F	357	$99.97	$35,689	1,857 Direct	-16.12%	Disposed	72.1% (price as of 2026-08-20)
May 1, 2020	ATO	M	835	$99.97	$83,475	2,214 Direct	+60.55%	Acquired	72.1% (price as of 2026-08-20)
Nov. 5, 2019	ATO	F	494	$108.40	$53,550	1,379 Direct	-26.37%	Disposed	58.7% (price as of 2026-08-20)
Nov. 5, 2019	ATO	M	1,253	$108.40	$135,825	1,873 Direct	+202.10%	Acquired	58.7% (price as of 2026-08-20)
May 7, 2019	ATO	A	770	—	—	2,370 Direct	+48.12%	Acquired	(price as of 2026-08-20)
May 4, 2019	ATO	M	165	—	—	1,600 Direct	-9.35%	Disposed	(price as of 2026-08-20)
May 4, 2019	ATO	F	74	$102.47	$7,583	620 Direct	-10.66%	Disposed	67.9% (price as of 2026-08-20)
May 4, 2019	ATO	M	165	$102.47	$16,908	694 Direct	+31.19%	Acquired	67.9% (price as of 2026-08-20)
Nov. 6, 2018	ATO	F	89	$94.18	$8,382	529 Direct	-14.40%	Disposed	82.6% (price as of 2026-08-20)
Nov. 6, 2018	ATO	M	228	$94.18	$21,473	618 Direct	+58.46%	Acquired	82.6% (price as of 2026-08-20)
May 5, 2018	ATO	M	185	—	—	1,765 Direct	-9.49%	Disposed	(price as of 2026-08-20)
May 5, 2018	ATO	F	83	$88.86	$7,375	390 Direct	-17.55%	Disposed	93.6% (price as of 2026-08-20)
May 5, 2018	ATO	M	185	$88.86	$16,439	473 Direct	+64.24%	Acquired	93.6% (price as of 2026-08-20)
May 1, 2018	ATO	A	765	—	—	1,950 Direct	+64.56%	Acquired	(price as of 2026-08-20)
Nov. 7, 2017	ATO	F	121	$88.24	$10,677	288 Direct	-29.58%	Disposed	94.9% (price as of 2026-08-20)
Nov. 7, 2017	ATO	M	293	$88.24	$25,854	409 Direct	+252.59%	Acquired	94.9% (price as of 2026-08-20)
May 6, 2017	ATO	M	220	—	—	1,185 Direct	-15.66%	Disposed	(price as of 2026-08-20)
May 6, 2017	ATO	F	104	$81.90	$8,518	116 Direct	-47.27%	Disposed	110.0% (price as of 2026-08-20)
May 6, 2017	ATO	M	220	$81.90	$18,018	220 Direct	—	Acquired	110.0% (price as of 2026-08-20)
May 2, 2017	ATO	A	835	—	—	1,405 Direct	+146.49%	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
May 7, 2024	ATO	Restricted Stock Unit	Common Stock (355)	—	—	355	Acquired
May 3, 2024	ATO	Restricted Stock Unit	Common Stock (855)	—	—	855	Disposed
May 5, 2023	ATO	Restricted Stock Unit	Common Stock (695)	—	—	695	Disposed
May 3, 2023	ATO	Restricted Stock Unit	Common Stock (720)	—	—	720	Acquired
May 6, 2022	ATO	Restricted Stock Unit	Common Stock (770)	—	—	770	Disposed
May 3, 2022	ATO	Restricted Stock Unit	Common Stock (670)	—	—	670	Acquired
May 4, 2021	ATO	Restricted Stock Unit	Common Stock (855)	—	—	855	Acquired
May 1, 2021	ATO	Restricted Stock Unit	Common Stock (765)	—	—	765	Disposed
May 5, 2020	ATO	Restricted Stock Unit	Common Stock (695)	—	—	695	Acquired
May 1, 2020	ATO	Restricted Stock Unit	Common Stock (835)	—	—	835	Disposed
May 7, 2019	ATO	Restricted Stock Unit	Common Stock (770)	—	—	770	Acquired
May 4, 2019	ATO	Restricted Stock Unit	Common Stock (165)	—	—	165	Disposed
May 5, 2018	ATO	Restricted Stock Unit	Common Stock (185)	—	—	185	Disposed
May 1, 2018	ATO	Restricted Stock Unit	Common Stock (765)	—	—	765	Acquired
May 6, 2017	ATO	Restricted Stock Unit	Common Stock (220)	—	—	220	Disposed
May 2, 2017	ATO	Restricted Stock Unit	Common Stock (835)	—	—	835	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 3 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Feb. 17, 2017	ATO	Common Stock	0	Direct
Feb. 17, 2017	ATO	Common Stock	59	Indirect
Feb. 17, 2017	ATO	Restricted Stock Unit→ Common Stock (570)	570	Direct