Mustang Bio, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of summarizes stock option activities

The following table summarizes stock option activities for the six months ended June 30, 2020:


							Weighted Average
							Remaining
				Weighted Average			Contractual Life (in
		Stock Options		Exercise Price			years)
Outstanding at December 31, 2019		1,241,675		$	5.73		7.31
Options forfeited		(100,000)			5.73		—
Outstanding at June 30, 2020		1,141,675			5.73		6.81
Options vested and exercisable at June 30, 2020		428,127		$	5.73		6.81

Schedule of stock-based compensation expense


		For the three months ended June 30,						For the six months ended June 30,
		2020			2019			2020			2019
General and administrative		$	513		$	333		$	865		$	669
Research and development			444			289			897			385
Total stock-based compensation expense		$	957		$	622		$	1,762		$	1,054

Schedule of warrant activity


							Weighted Average
							Remaining
				Weighted Average			Contractual Life (in
		Warrants		Exercise Price			years)
Outstanding as of December 31, 2019		5,405,669		$	8.20		2.40
Cashless exercised		(2,999)			—		—
Outstanding as of December 31, 2020		5,402,670		$	8.21		1.89

Unvested Restricted Stock Awards [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedules of restricted stock and restricted stock unit activity

The following table summarizes restricted stock award activities for the six months ended June 30, 2020:


				Weighted Average
				Grant Date Fair
		Number of Shares		Value
Nonvested at December 31, 2019		299,060		$	5.66
Vested		(80,001)			5.73
Nonvested at June 30, 2020		219,059		$	5.63

Unvested Restricted Stock Units [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedules of restricted stock and restricted stock unit activity


				Weighted Average
				Grant Date Fair
		Number of Units		Value
Nonvested at December 31, 2019		1,112,417		$	5.11
Granted		642,500			2.73
Forfeited		(36,250)			3.58
Vested		(219,439)			5.21
Nonvested at December 31, 2020		1,499,228		$	4.11