SEC Form 4 · accession 0001104659-26-078273
ASPEN AEROGELS INC · ASPN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
William P Noglows
Director
Period of report
Jun 23, 2026
Accepted (ET)
Jun 26, 2026 · 4:15 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001145986
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Jun 23, 2026 | M | 14,799 | $4.75 | A | 114,156 | D | |
| Common StockF2 | holding | — | — | — | 10,000 | I | See footnote 2 | |
| Common StockF3 | holding | — | — | — | 10,000 | I | See footnote 3 |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Options (Right to Buy)F4 | $4.75 | Jun 23, 2026 | M | 14,799 | D | — | Jun 24, 2026 | Common Stock | 14,799 | 0 | D |
Explanation of responses
- F1Represents 103,786 shares of Common Stock and 10,370 Restricted Stock Units.
- F2These shares of Common Stock are held by a Trust for the benefit of one of the reporting person's children, of which the reporting person is the Trustee.
- F3These shares of Common Stock are held by a Trust for the benefit of another one of the reporting person's children, of which the reporting person is the Trustee.
- F4These stock options were fully vested and exercisable.