DEEGAN GLENN E. - 30 Sep 2025 Form 4 Insider Report for ASPEN AEROGELS INC (ASPN)

Role
CAO, GC & Corp Secretary
Signature
/s/ Andrew Lauzon, Attorney-in-Fact
Issuer symbol
ASPN
Transactions as of
30 Sep 2025
Net transactions value
$0
Form type
4
Filing time
02 Oct 2025, 17:38:20 UTC
Previous filing
25 Sep 2025
Next filing
06 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DEEGAN GLENN E. CAO, GC & Corp Secretary C/O ASPEN AEROGELS, INC., 30 FORBES ROAD, BLDG B, NORTHBOROUGH /s/ Andrew Lauzon, Attorney-in-Fact 02 Oct 2025 0001254044

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ASPN Common Stock Award $0 +11,673 $0.000000 11,673 30 Sep 2025 Direct F1, F2

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 +16,416 $0.000000 16,416 30 Sep 2025 Common Stock 16,416 $6.96 Direct F3
transaction ASPN Performance Share Units Award $0 +23,347 $0.000000 23,347 30 Sep 2025 Common Stock 23,347 Direct F4
* 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. The RSUs vest as to one-third of the shares on September 30, 2026, an additional one-third of the shares on September 30, 2027 and the remaining one-third of the shares on September 30, 2028.
F2 Represents 11,673 RSUs.
F3 The options vest as to one-third of the shares on September 30, 2026, an additional one-third of the shares on September 30, 2027 and the remaining one-third of the shares on September 30, 2028.
F4 Each performance share unit ("PSU") represents a contingent right to receive one share of Common Stock upon vesting. The PSUs vest on March 5, 2028, following the completion of the performance period, which begins on January 1, 2025 and ends on December 31, 2027. Ranging between 0-200% of the target number of PSUs (as reflected in Table II above), the PSUs vest based on the total shareholder return of Common Stock relative to the total stockholder return of the components of the Russell 2000 Index.