ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

Note: Option positions (PUT/CALL) are excluded.

Q4 2018
Shares 13,005 Value ($000) $28 Avg Close $3.39 Range $1.60 - $4.77
Q3 2018
Shares 17,800 Value ($000) $81 Avg Close $4.87 Range $4.00 - $5.27
Q2 2018
Shares 806,300 Value ($000) $3,951 Avg Close $4.75 Range $4.03 - $5.32
Q1 2018
Shares 806,300 Value ($000) $3,443 Avg Close $4.73 Range $4.18 - $5.58
Q4 2017
Shares 856,055 Value ($000) $4,178 Avg Close $4.66 Range $4.12 - $5.14
Q3 2017
Shares 856,055 Value ($000) $3,724 Avg Close $4.37 Range $3.99 - $4.90
Q2 2017
Shares 856,055 Value ($000) $3,809 Avg Close $4.22 Range $3.95 - $4.62
Q1 2017
Shares 846,655 Value ($000) $3,514 Avg Close $4.26 Range $3.84 - $4.86
Q4 2016
Shares 836,655 Value ($000) $3,455 Avg Close $4.87 Range $3.61 - $6.71
Q3 2016
Shares 696,680 Value ($000) $4,152 Avg Close $5.04 Range $4.42 - $6.29
Q2 2016
Shares 657,080 Value ($000) $3,266 Avg Close $4.38 Range $3.91 - $5.39
Q1 2016
Shares 486,430 Value ($000) $2,189 Avg Close $4.54 Range $3.38 - $6.58
Q4 2015
Shares 233,500 Value ($000) $1,417 Avg Close $6.92 Range $5.24 - $8.87