Spring Creek Capital Llc - Jun 29, 2021 Form 3 Insider Report for ASPEN AEROGELS INC (ASPN)

Role: 10%+ Owner
Signature: Spring Creek Capital, LLC /s/ Raffaele G. Fazio, Secretary
Stock symbol: ASPN
Transactions as of: Jun 29, 2021
Transactions value $: $0
Form type: 3
Date filed: 7/9/2021, 01:25 PM
Next filing: Jul 16, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ASPN	Common Stock						3.46M	Jun 29, 2021	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares of common stock held by Spring Creek Capital, LLC ("Spring Creek"). Spring Creek is 100% owned by SCC Holdings, LLC ("SCC Holdings") and SCC Holdings is 100% owned by Koch Industries, Inc. ("Koch Industries"). Koch Industries and SCC Holdings may be deemed to beneficially own the Common Stock held by Spring Creek by virtue of Koch Industries' ownership of SCC Holdings and SCC Holdings' ownership of Spring Creek. Each of SCC Holdings and Koch Industries disclaim such beneficial ownership except to the extent of their pecuniary interest therein.

Content

Represents shares of common stock held by Spring Creek Capital, LLC ("Spring Creek"). Spring Creek is 100% owned by SCC Holdings, LLC ("SCC Holdings") and SCC Holdings is 100% owned by Koch Industries, Inc. ("Koch Industries"). Koch Industries and SCC Holdings may be deemed to beneficially own the Common Stock held by Spring Creek by virtue of Koch Industries' ownership of SCC Holdings and SCC Holdings' ownership of Spring Creek. Each of SCC Holdings and Koch Industries disclaim such beneficial ownership except to the extent of their pecuniary interest therein.