InsiderTrades

Form 4 for ASPN ASPEN AEROGELS INC

Accepted 2026-03-10 00:00:00 ET · period of report 2026-03-08 · accession 0001193125-26-100342 · 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
2026-03-10 2026-03-08 ASPN Thoele Grant Douglas CFO, Treas F - Tax $3.22 -590 77.7K -0.8% -$1,900

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-08 F D 590 $3.22 77,732 D — — (F1) Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs"). (F2) Represents 10,111 shares of Common Stock and 67,621 RSUs.