CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM

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
30 Jun 2021		-0%	$0	0	-41,582	-100%	$3.51	Q2 2021
31 Mar 2021	0%	0%	$846,000	41,582	0		$20.35	Q1 2021
31 Dec 2020	0%	-0%	$694,000	41,582	-900	-2.1%	$16.69	Q4 2020
30 Sep 2020	0%	+0%	$465,000	42,482	+1,100	+2.7%	$10.95	Q3 2020
30 Jun 2020	0%	-0%	$272,000	41,382	-105,500	-72%	$6.57	Q2 2020
31 Mar 2020	0%	-0%	$902,000	146,882	-118,922	-45%	$6.14	Q1 2020
31 Dec 2019	0%	-0%	$2,063,000	265,804	-56,896	-18%	$7.76	Q4 2019
30 Sep 2019	0%	+0%	$1,910,000	322,700	+17,700	+5.8%	$5.92	Q3 2019
30 Jun 2019	0%	0%	$2,175,000	305,000	0		$7.13	Q2 2019
31 Mar 2019	0%	0%	$778,000	305,000	0		$2.55	Q1 2019
31 Dec 2018	0%	0%	$650,000	305,000	0		$2.13	Q4 2018
30 Sep 2018	0%	0%	$1,394,000	305,000	0		$4.57	Q3 2018
30 Jun 2018	0%	0%	$1,495,000	305,000	0		$4.90	Q2 2018
31 Mar 2018	0%	0%	$1,302,000	305,000	0		$4.27	Q1 2018
31 Dec 2017	0%	0%	$1,488,000	305,000	0		$4.88	Q4 2017
30 Sep 2017	0%	0%	$1,327,000	305,000	0		$4.35	Q3 2017
30 Jun 2017	0%	0%	$1,357,000	305,000	0		$4.45	Q2 2017
31 Mar 2017	0%	0%	$1,266,000	305,000	0		$4.15	Q1 2017
31 Dec 2016	0%	0%	$1,260,000	305,000	0		$4.13	Q4 2016
30 Sep 2016	0%	0%	$1,818,000	305,000	0		$5.96	Q3 2016
30 Jun 2016	0%	0%	$1,516,000	305,000	0		$4.97	Q2 2016
31 Mar 2016	0%	0%	$1,373,000	305,000	0		$4.50	Q1 2016
31 Dec 2015	0%	0%	$1,851,000	305,000	0		$6.07	Q4 2015
30 Sep 2015	0%	0%	$2,288,000	305,000	0		$7.50	Q3 2015
30 Jun 2015	0%	0%	$2,019,000	305,000	0		$6.62	Q2 2015
31 Mar 2015	0%	0%	$2,312,000	305,000	0		$7.58	Q1 2015
31 Dec 2014	0%	0%	$2,312,000	305,000	0		$7.58	Q4 2014
30 Sep 2014	0%	0%	$3,074,000	305,000	0		$10.08	Q3 2014
30 Jun 2014	0%	+0%	$3,370,000	305,000	+305,000	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.