Senior insider sale
Chief Accounting Officer at ASPEN AEROGELS INC — senior position signals high conviction
$35.3K
5.59K shares
What this filing means
DANIEL SANTHOSH P plans to sell 5.59K shares of ASPEN AEROGELS INC valued at approximately $35.3K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 8/10/2026ACC: 0001950047-26-007871
Officer· Chief Accounting Officer
Since Mar 2026
5.59K
Shares to sell
$35.3K
Approx. market value
5.59K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months2
Restricted Stock
Not Applicable
3/5/2026
1.83KRestricted Stock
Not Applicable
9/13/2025
3.76KTotal acquired5.59K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
3/5/2026 | Restricted Stock Not Applicable | 1.83K | — |
9/13/2025 | Restricted Stock Not Applicable | 3.76K | — |
| Total | 5.59K | ||
Planned & Completed Dispositions1
NYSEPlanned
Units to sell
5.59K
Market value
$35.3K
8/10/2026
Total
Units
5.59K
Value
$35.3K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
8/10/2026 | 5.59K | $35.3K | NYSE | Planned |
| Total | 5.59K | $35.3K | ||