Ricardo C. Rodriguez - Apr 1, 2022 Form 3 Insider Report for ASPEN AEROGELS INC (ASPN)

Role: SVP, CFO & Treasurer
Signature: /s/ Poongunran Muthukumaran, Attorney-in-Fact
Stock symbol: ASPN
Transactions as of: Apr 1, 2022
Transactions value $: $0
Form type: 3
Date filed: 4/1/2022, 07:11 PM
Next filing: Jun 6, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ASPN	Common Stock						1.65K	Apr 1, 2022	Direct	F1
holding	ASPN	Common Stock						1.14K	Apr 1, 2022	Direct	F2
holding	ASPN	Common Stock						2.62K	Apr 1, 2022	Direct	F3
holding	ASPN	Common Stock						1.48K	Apr 1, 2022	Direct	F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	ASPN	Stock Option (Right-to-Buy)							Apr 1, 2022	Common Stock	6.04K	$60.48	Direct	F5
holding	ASPN	Stock Option (Right-to-Buy)							Apr 1, 2022	Common Stock	13.7K	$26.29	Direct	F6
holding	ASPN	Stock Option (Right-to-Buy)							Apr 1, 2022	Common Stock	7.76K	$29.51	Direct	F7

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

Explanation of Responses:

Id	Content
F1	Each Restricted Stock Unit ("RSU") represents the right to receive one share of Common Stock upon vesting. These RSUs vest November 15, 2022.
F2	These RSUs vest as to one-third of the RSUs on November 15, 2022, an additional one-third of the RSUs on November 15, 2023 and the remaining one-third of the RSUs on November 15, 2024.
F3	These RSUs vest as to one-third of the RSUs on February 23, 2023, an additional one-third of the RSUs on February 23, 2024 and the remaining one-third of the RSUs on February 23, 2025.
F4	These RSUs vest as to one-third of the RSUs on February 25, 2023, an additional one-third of the RSUs on February 25, 2024 and the remaining one-third of the RSUs on February 25, 2025.
F5	The options vest as to one-third of the shares on November 15, 2022, an additional one-third of the shares on November 15, 2023 and the remaining one-third of the shares on November 15, 2024.
F6	The options vest as to one-third of the shares on February 23, 2023, an additional one-third of the shares on February 23, 2024 and the remaining one-third shares on February 23, 2025.
F7	The options vest as to one-third of the shares on February 25, 2023, an additional one-third of the shares on February 25, 2024 and the remaining one-third shares on February 25, 2025.