Quarterly Financial Data (Unaudited)

13. Quarterly Financial Data (Unaudited)

The following table summarizes unaudited quarterly financial data for the years ended December 31, 2011 and 2010.

INSMED INCORPORATED

Quarterly Financial Data

(in thousands)

	2011
	First			Second			Third			Fourth
	Quarter			Quarter			Quarter			Quarter			Total
Revenues	$	1,601		$	978		$	435		$	1,403		$	4,417
Operating loss		(7,415	)		(10,473	)		(34,960	)		(8,871	)		(61,719	)
Net loss after income taxes		(6,894	)		(10,017	)		(34,591	)		(8,162	)		(59,664	)

Basic and diluted net loss attributable to common stockholders per common share	$	(0.85	)	$	(0.40	)	$	(1.39	)	$	(0.33	)	$	(2.95	)

	2010
	First			Second			Third			Fourth
	Quarter			Quarter			Quarter			Quarter			Total
Revenues	$	1,929		$	1,864		$	1,807		$	1,321		$	6,921
Operating loss		(251	)		(913	)		(598	)		(6,330	)		(8,092	)
Net income (loss)after income taxes		118			(378	)		(330	)		(5,844	)		(6,434	)

Basic and diluted net income (loss) attributable to common stockholders per common share	$	0.01		$	(0.03	)	$	(0.03	)	$	(0.42	)	$	(0.49	)

- Definition

The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.

+ References+ Details