InsiderTrades

Form 4 for ASPN ASPEN AEROGELS INC

Accepted 2025-05-27 00:00:00 ET · period of report 2025-05-23 · accession 0000950170-25-077611 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-05-27 2025-05-23 ASPN Johnson Virginia CLO, GC, Sec F - Tax $6.39 -6,129 44.5K -12% -$39.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-05-23 F D 6,129 $6.39 44,450 D — — (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.