Historical shareholding details of Wellington Management Company LLP holdings in Aspen Aerogels Inc. (ASPN)

Monthly changes of Wellington Management Company LLP 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
Feb 28, 2025	Wellington Management Company Llp	0	0.00%

Jan 31, 2025	Wellington Management Company Llp	31,192	0.04%

Dec 31, 2024	Wellington Management Company Llp	64,700	0.08%
Dec 31, 2024	Wellington Management Company Llp	31,192	0.04%

Nov 30, 2024	Wellington Management Company Llp	31,192	0.04%

Sep 30, 2024	Wellington Management Company Llp	150,632	0.18%