Form 4 for ASPN ASPEN AEROGELS INC
Accepted 2026-03-10 00:00:00 ET · period of report 2026-03-08 · accession 0001193125-26-100349 · 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 | Young Donald R | Pres, CEO, Dir | F - Tax | $3.22 | -4,275 | 637.8K | -0.7% | -$13.8K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-08 | F | D | 4,275 | $3.22 | 637,834 | D | — | — | (F1) 1. Shares withheld by Registrant to satisfy minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs"). (F2) Represents 438,349 shares of Common Stock and 199,485 RSUs. |