William P. Noglows - 30 Apr 2025 Form 4 Insider Report for ASPEN AEROGELS INC (ASPN)

Role: Director
Signature: /s/ Virginia H. Johnson, Attorney-in-Fact
Issuer symbol: ASPN
Transactions as of: 30 Apr 2025
Net transactions value: $0
Form type: 4
Filing time: 01 May 2025, 20:51:00 UTC
Previous filing: 28 Apr 2025
Next filing: 09 Jun 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ASPN	Common Stock	Award	$0	+10,370	+13%	$0.000000	88,987	30 Apr 2025	Direct	F1, F2
holding	ASPN	Common Stock						10,000	30 Apr 2025	See footnote 3	F3
holding	ASPN	Common Stock						10,000	30 Apr 2025	See footnote 4	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
transaction	ASPN	Stock Options (Right to Buy)	Award	$0	+9,105		$0.000000	9,105	30 Apr 2025	Common Stock	9,105	$5.40	Direct	F5

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

Explanation of Responses:

Id	Content
F1	The reporting person was granted Restricted Stock Units ("RSUs") representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. Each RSU represents the right to receive one share of Common Stock upon vesting. These RSUs will vest on the earlier of (a) April 30, 2026, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2026.
F2	Represents 78,617 shares of Common Stock and 10,370 RSUs.
F3	These shares of Common Stock are held by a Trust for the benefit of one of the reporting person's children, of which the reporting person is the Trustee.
F4	These shares of Common Stock are held by a Trust for the benefit of another one of the reporting person's children, of which the reporting person is the Trustee.
F5	The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) April 30, 2026, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2026.