Stockholders’ equity was as follows (in thousands):


	Six months ended June 30,
	2017						2016
	ATN		Non-Controlling				ATN		Non-Controlling		Total
	International, Inc.		Interests		Total Equity		International, Inc.		Interests		Equity
Equity, beginning of period	$	677,055	$	132,114	$	809,169	$	680,299	$	81,425	$	761,724
Stock-based compensation		3,764		—		3,764		3,626		—		3,626
Comprehensive income:		0		0						0
Net income		12,743		9,751		22,494		3,034		5,877		8,911
Pension		513		—		513		—		—		—
Reclassifications of gains on sale of marketable securities to net income		(1,044)		—		(1,044)		—		—		—
Unrealized loss on marketable securities		(130)		—		(130)		—		—		—
Foreign Currency translation adjustment		2,232		—		2,232		(36)		—		(36)
Total comprehensive income		14,314		9,751		24,065		2,998		5,877		8,875
Issuance of common stock upon exercise of stock options		401		—		401		585		—		585
Dividends declared on common stock		(10,951)		—		(10,951)		(10,330)		—		(10,330)
Distributions to non-controlling interests		—		(3,491)		(3,491)		—		(4,404)		(4,404)
Investments made by non-controlling interests		—		123		123		—		21,904 (1)		21,904
Acquisition of One Communications		—		—		—		—		32,903		32,903
Loss on deconsolidation of subsidiary		—		529		529		—		—		—
Change in accounting method- adoption of ASC 2016-09		110		—		110		—		—		—
Repurchase of non-controlling interests		(670)		(285)		(955)		(4,105)		(2,940)		(7,045)
Purchase of treasury stock		(2,314)		—		(2,314)		(2,407)		—		(2,407)
Equity, end of period	$	681,709	$	138,741	$	820,450	$	670,666	$	134,765	$	805,431

(1)

During the six months ended June 30, 2016, the holder of a non-controlling interest in one of the Company’s U.S. Telecom subsidiaries contributed $21.7 million of cash to the subsidiary. The Company maintained a controlling interest in the subsidiary both before and after the contribution.