Mack F Mattingly

Insider

First SEC filing: Jan. 2, 2018 · Latest: Jan. 2, 2018

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.

Insider at

ATLCZ selling Aug. 22, 2017

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 12 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

12 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 2, 2018	ATLCZ	A	23,000	—	—	108,000 Direct	+27.06%	Acquired	(price as of 2026-08-21)
Aug. 22, 2017	ATLCZ	S	6,400	$2.50	$16,000	85,000 Direct	-7.00%	Disposed	915.6% (price as of 2026-08-21)
Aug. 21, 2017	ATLCZ	S	600	$2.50	$1,500	91,400 Direct	-0.65%	Disposed	915.6% (price as of 2026-08-21)
Jan. 3, 2017	ATLCZ	A	19,000	—	—	92,000 Direct	+26.03%	Acquired	(price as of 2026-08-21)
April 15, 2016	ATLCZ	S	5,087	$3.10	$15,770	73,000 Direct	-6.51%	Disposed	719.0% (price as of 2026-08-21)
April 13, 2016	ATLCZ	S	2,997	$3.15	$9,441	78,087 Direct	-3.70%	Disposed	706.0% (price as of 2026-08-21)
April 11, 2016	ATLCZ	S	816	$3.18	$2,595	81,084 Direct	-1.00%	Disposed	698.4% (price as of 2026-08-21)
Jan. 4, 2016	ATLCZ	A	18,000	—	—	81,900 Direct	+28.17%	Acquired	(price as of 2026-08-21)
Aug. 26, 2015	ATLCZ	S	5,301	$3.70	$19,614	63,900 Direct	-7.66%	Disposed	586.2% (price as of 2026-08-21)
Aug. 25, 2015	ATLCZ	S	6,931	$3.72	$25,783	69,201 Direct	-9.10%	Disposed	582.5% (price as of 2026-08-21)
Aug. 24, 2015	ATLCZ	S	17,100	$3.75	$64,125	76,132 Direct	-18.34%	Disposed	577.1% (price as of 2026-08-21)
Jan. 2, 2015	ATLCZ	A	30,000	—	—	93,232 Direct	+47.44%	Acquired	(price as of 2026-08-21)
Aug. 19, 2014	ATLCZ	S	5,000	$2.75	$13,750	63,232 Direct	-7.33%	Disposed	823.3% (price as of 2026-08-21)
Jan. 2, 2014	ATLCZ	A	16,000	—	—	68,232 Direct	+30.63%	Acquired	(price as of 2026-08-21)
Jan. 2, 2013	ATLCZ	A	16,000	—	—	52,232 Direct	+44.16%	Acquired	(price as of 2026-08-21)
Sept. 18, 2012	ATLCZ	D	20,726	$10.00	$207,260	36,232 Direct	-36.39%	Disposed	153.9% (price as of 2026-08-21)
Jan. 3, 2012	ATLCZ	A	20,000	—	—	56,958 Direct	+54.12%	Acquired	(price as of 2026-08-21)
April 19, 2011	ATLCZ	D	20,974	$8.00	$167,792	36,958 Direct	-36.20%	Disposed	217.4% (price as of 2026-08-21)
Jan. 3, 2011	ATLCZ	A	11,000	—	—	57,932 Direct	+23.44%	Acquired	(price as of 2026-08-21)
May 20, 2010	ATLCZ	D	12,581	$7.00	$88,067	46,932 Direct	-21.14%	Disposed	262.7% (price as of 2026-08-21)
May 18, 2010	ATLCZ	S	17,400	$5.53	$96,222	59,513 Direct	-22.62%	Disposed	359.1% (price as of 2026-08-21)
May 17, 2010	ATLCZ	S	600	$6.03	$3,618	76,913 Direct	-0.77%	Disposed	321.1% (price as of 2026-08-21)
Jan. 4, 2010	ATLCZ	A	18,000	—	—	77,554 Direct	+30.22%	Acquired	(price as of 2026-08-21)
March 2, 2009	ATLCZ	S	200	$1.90	$380	0 Indirect	-100.00%	Disposed	1236.3% (price as of 2026-08-21)

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.