Charles K Vaughan

Insider

First SEC filing: March 11, 2011 · Latest: March 11, 2011

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 13 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

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 5, 2013	ATO	S	25,000	$40.17	$1,004,250	69,786 Direct	-26.38%	Disposed	328.2% (price as of 2026-08-20)
Dec. 27, 2012	ATO	C	55,077	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 27, 2012	ATO	A	3,000	$34.78	$104,340	55,076 Direct	+5.76%	Acquired	394.6% (price as of 2026-08-20)
Dec. 27, 2012	ATO	C	55,077	$34.78	$1,915,578	94,786 Direct	+138.70%	Acquired	394.6% (price as of 2026-08-20)
March 9, 2012	ATO	A	3,000	—	—	50,012 Direct	+6.38%	Acquired	(price as of 2026-08-20)
March 11, 2011	ATO	A	3,000	—	—	45,140 Direct	+7.12%	Acquired	(price as of 2026-08-20)
March 5, 2010	ATO	A	3,000	—	—	40,283 Direct	+8.05%	Acquired	(price as of 2026-08-20)
March 6, 2009	ATO	A	2,500	—	—	35,501 Direct	+7.58%	Acquired	(price as of 2026-08-20)
March 7, 2008	ATO	A	2,500	—	—	31,398 Direct	+8.65%	Acquired	(price as of 2026-08-20)
March 9, 2007	ATO	A	2,000	—	—	27,690 Direct	+7.79%	Acquired	(price as of 2026-08-20)
March 10, 2006	ATO	A	2,000	—	—	24,608 Direct	+8.85%	Acquired	(price as of 2026-08-20)
March 11, 2005	ATO	A	2,000	—	—	21,636 Direct	+10.19%	Acquired	(price as of 2026-08-20)
March 12, 2004	ATO	A	2,000	—	—	18,756 Direct	+11.94%	Acquired	(price as of 2026-08-20)
Nov. 11, 2003	ATO	A	10,000	—	—	16,550 Direct	+152.67%	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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Dec. 27, 2012	ATO	Phantom Stock Units	Common Stock (55,077)	—	—	55,077	Disposed
Dec. 27, 2012	ATO	Phantom Stock Units	Common Stock	—	—	3,000	Acquired
March 9, 2012	ATO	Phantom Stock Units	Common Stock (3,000)	—	—	3,000	Acquired
March 11, 2011	ATO	Phantom Stock Units	Common Stock (3,000)	—	—	3,000	Acquired
March 5, 2010	ATO	Phantom Stock Units	Common Stock (3,000)	—	—	3,000	Acquired
March 6, 2009	ATO	Phantom Stock Units	Common Stock (2,500)	—	—	2,500	Acquired
March 7, 2008	ATO	Phantom Stock Units	Common Stock (2,500)	—	—	2,500	Acquired
March 9, 2007	ATO	Phantom Stock Units	Common Stock (2,000)	—	—	2,000	Acquired
March 10, 2006	ATO	Phantom Stock Units	Common Stock (2,000)	—	—	2,000	Acquired
March 11, 2005	ATO	Phantom Stock Units	Common Stock (2,000)	—	—	2,000	Acquired
March 12, 2004	ATO	Phantom Stock Units	Common Stock (2,000)	—	—	2,000	Acquired
Nov. 11, 2003	ATO	Phantom Stock Units	Common Stock (10,000)	—	—	10,000	Acquired

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