The following is a summary of the changes in our common shares outstanding:



	Common Stock
	Class A		Class B		Class C		Class E		Class F		Class G		Total
Shares outstanding at January 1, 2017 - Predecessor	333,686		344,859		209,882		504,276		1		2		1,392,706
Restricted stock forfeited	(1,454	)	—		—		—		—		—		(1,454	)
Restricted stock canceled	(8,964	)	—		—		—		—		—		(8,964	)
Shares outstanding at March 21, 2017 - Predecessor	323,268		344,859		209,882		504,276		1		2		1,382,288
Cancellation of Predecessor equity	(323,268	)	(344,859	)	(209,882	)	(504,276	)	(1	)	(2	)	(1,382,288	)
Shares outstanding at March 21, 2017 - Predecessor	—		—		—		—		—		—		—

Issuance of Successor common stock - rights offering	4,197,210		—		—		—		—		—		4,197,210
Issuance of Successor common stock - backstop premium	367,030		—		—		—		—		—		367,030
Issuance of Successor common stock - settlement of claims	32,546,390		7,871,512		—		—		—		—		40,417,902
Shares outstanding at March 21, 2017 - Successor	37,110,630		7,871,512		—		—		—		—		44,982,142
Stock-based compensation	1,853,236		—		—		—		—		—		1,853,236
Restricted stock canceled	(7,616	)	—		—		—		—		—		(7,616	)
Shares outstanding at December 31, 2017 - Successor	38,956,250		7,871,512		—		—		—		—		46,827,762
Issuance of restricted stock	55,600		—		—		—		—		—		55,600
Conversion of Class B shares	7,871,512		(7,871,512	)	—		—		—		—		—
Repurchase of common stock	(261,103	)	—		—		—		—		—		(261,103	)
Restricted stock forfeited	(231,746	)	—		—		—		—		—		(231,746	)
Shares outstanding at December 31, 2018 - Successor	46,390,513		—		—		—		—		—		46,390,513
Stock-based compensation	2,002,173		—		—		—		—		—		2,002,173
Restricted stock forfeited	(316,821	)	—		—		—		—		—		(316,821	)
Repurchase of common stock	(209,852	)	—		—		—		—		—		(209,852	)
Issuance of common stock - litigation settlement	76,217		—		—		—		—		—		76,217
Shares outstanding at December 31, 2019 - Successor	47,942,230		—		—		—		—		—		47,942,230