Stockholders’ equity was as follows (in thousands):


	Nine months ended September 30,
	2016						2015
	ATN		Non-Controlling				ATN		Non-Controlling		Total
	International, Inc.		Interests		Total Equity		International, Inc.		Interests		Equity
Equity, beginning of period	$	680,299	$	81,425	$	761,724	$	677,222	$	60,960	$	738,182
Stock-based compensation		5,034		—		5,034		3,832		—		3,832
Comprehensive income:		0		0						0
Net income		10,206		10,400		20,606		12,757		13,417		26,174
Foreign Currency translation adjustment		(200)		—		(200)		29		—		29
Total comprehensive income		10,006		10,400		20,406		12,786		13,417		26,203
Issuance of common stock upon exercise of stock options		1,371		—		1,371		2,073		—		2,073
Dividends declared on common stock		(15,838)		—		(15,838)		(14,442)		—		(14,442)
Distributions to non-controlling interests		—		(7,828)		(7,828)		—		(11,513)		(11,513)
Investments made by non-controlling interests		—		22,409 (1)		22,409		—		905		905
Acquisition of KeyTech		—		32,717		32,717		—		—		—
Acquisition of Innovative		—		221		221		—		—		—
Acquisition from non-controlling interests		(306)		(270)		(576)		—		—		—
Sale of non-controlling interests		—		—		—		—		20,013		20,013
Purchase of non-controlling interests		(4,105)		(2,940)		(7,045)		—		—		—
Purchase of treasury stock		(4,755)		—		(4,755)		(1,955)		—		(1,955)
Equity, end of period	$	671,706	$	136,134	$	807,840	$	679,516	$	83,782	$	763,298