Aspen Aerogels Inc. planned insider sales
In the last twelve months insiders at Aspen Aerogels Inc. filed 2 Form 144 notices of planned sales, 62,438 shares worth $230,270 at the time of filing, from 2 sellers. The latest, filed 10 August 2026: Santhosh P Daniel (officer), 5,593 shares worth $35,292, planned for around 10 August 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.
| Filed | Seller | Relationship | Shares | Value | Planned sale | Sold, per Form 4 | Broker | How acquired | Filing |
|---|---|---|---|---|---|---|---|---|---|
| 10 August 2026 | Santhosh P Daniel | Officer | 5,593 | $35,292 | 10 August 2026 | None on Form 4 yet | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted Stock | Form 144 |
| 13 November 2025 | Donald Young | Director, Officer | 56,845 | $194,978 | 13 November 2025 | 56,845 shares from 13 November 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | Previously Exercised Stock Options | Form 144 |
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.