Historical shareholding details of SEI Investments Co holdings in Aspen Aerogels Inc. (ASPN)

Monthly changes of SEI Investments Co shareholding in Aspen Aerogels Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	Sei Investments Co	28,193	0.03%

Sep 30, 2024	Sei Investments Co	46,472	0.06%

Jun 30, 2024	Sei Investments Co	49,685	0.06%

Mar 31, 2024	Sei Investments Co	84,759	0.11%

Dec 31, 2023	Sei Investments Co	86,714	0.11%

Sep 30, 2023	Sei Investments Co	28,083	0.04%

Jun 30, 2023	Sei Investments Co	24,918	0.04%

Mar 31, 2023	Sei Investments Co	23,898	0.03%

Dec 31, 2022	Sei Investments Co	0	0.00%