Virginia Johnson - 23 May 2025 Form 4 Insider Report for ASPEN AEROGELS INC (ASPN)

Role
CLO, GC, and Secretary
Signature
/s/ Kristen Brown, Attorney-in-Fact
Issuer symbol
ASPN
Transactions as of
23 May 2025
Net transactions value
-$39,164
Form type
4
Filing time
27 May 2025, 15:11:57 UTC
Previous filing
11 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Johnson Virginia CLO, GC, and Secretary C/O ASPEN AEROGELS, INC.,, 30 FORBES ROAD, BLDG B, NORTHBOROUGH /s/ Kristen Brown, Attorney-in-Fact 27 May 2025 0001929494

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ASPN Common Stock Tax liability $39,164 -6,129 -12% $6.39 44,450 23 May 2025 Direct F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The vesting of the restricted stock units was accelerated upon the Reporting Person's termination of employment on May 23, 2025. The accelerated vesting was in accordance with the terms of the Reporting Person's Executive Agreement, which provides for acceleration upon termination under certain circumstances.
F2 Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs").
F3 Represents 24,235 shares of Common Stock and 20,215 RSUs.