Historical shareholding details of George Kaiser Family Foundation holdings in Aspen Aerogels Inc. (ASPN)

Monthly changes of George Kaiser Family Foundation 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
Mar 31, 2025	George Kaiser Family Foundation	3,167,322	3.85%

Dec 31, 2024	George Kaiser Family Foundation	3,167,322	3.85%

Oct 22, 2024	George Kaiser Family Foundation	3,167,322	3.86%

Sep 30, 2024	George Kaiser Family Foundation	3,167,322	3.86%

Jun 30, 2024	George Kaiser Family Foundation	3,167,322	3.89%

Mar 31, 2024	George Kaiser Family Foundation	3,167,322	4.13%

Dec 31, 2023	George Kaiser Family Foundation	3,167,322	4.13%

Sep 30, 2023	George Kaiser Family Foundation	3,167,322	4.51%

Jun 30, 2023	George Kaiser Family Foundation	3,167,322	4.51%

Mar 31, 2023	George Kaiser Family Foundation	3,167,322	4.52%