ACK Asset Management LLC

Holdings History for ASPEN AEROGELS INC - Common Stock, par value $0.00001 per share (ASPN)

Symbol: ASPN on NYSE
Investment type: Equity / Common Stock, par value $0.00001 per share

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2014		-0.74%	$0	0	-204,100	-100%	$3.51	Q4 2014
30 Sep 2014	0.74%	+0.01%	$2,057,000	204,100	+4,100	+2%	$10.08	Q3 2014
30 Jun 2014	0.66%	+0.66%	$2,210,000	200,000	+200,000	NEW	$11.05	Q2 2014

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.