Sirius XM Holdings Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Description of Business and Basis of Presentation (Policies)
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Stock-based Compensation Plans and Awards (Tables)

v2.4.0.8

Stock-based Compensation Plans and Awards (Tables)

3 Months Ended

Mar. 31, 2014

Stock-based Compensation Plans and Awards

Schedule of assumptions used for determining the per-share fair value of shares granted under the ESPP

	Three months ended
	March 31,
	2013	2014
Expected life (in years)	N/A	0.5
Risk-free interest rate	N/A	0.08	%
Expected volatility	N/A	42	%
Expected dividend yield	N/A	0	%

Schedule of assumptions used for estimating the per-share fair value of stock options

	Three months ended
	March 31,
	2013		2014
Expected life (in years)	5.99 - 6.32		6.08
Risk-free interest rate	0.99 - 1.19	%	1.71 - 1.82	%
Expected volatility	57 - 58	%	58.85	%
Expected dividend yield	0	%	0	%

Schedule of stock-based compensation expenses related to all employee and non-employee stock-based awards

	Three months ended
	March 31,
	2013		2014
	(in thousands)
	(unaudited)
Stock-based compensation expense:
Cost of revenue - Other	$	413	$	881
Product development	1,445		3,461
Sales and marketing	4,421		8,311
General and administrative	245		4,739
Total stock-based compensation expense	$	6,524	$	17,392

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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