Senior insider sale
Chief Technology Officer at AMPRIUS TECHNOLOGIES, INC. — senior position signals high conviction
$426.1K
28.81K shares
What this filing means
STEFAN CONSTANTIN IONEL plans to sell 28.81K shares of AMPRIUS TECHNOLOGIES, INC. valued at approximately $426.1K. 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: 5/26/2026ACC: 0001940928-26-000014
Officer· Chief Technology Officer
Since Mar 2026
28.81K
Shares to sell
$426.1K
Approx. market value
52.26K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
Release of restricted stock units
Compensation
5/20/2026
52.26KTotal acquired52.26K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
5/20/2026 | Release of restricted stock units Compensation | 52.26K | — |
| Total | 52.26K | ||
Planned & Completed Dispositions1
NYSEPlanned
Units to sell
28.81K
Market value
$426.1K
5/21/2026
Total
Units
28.81K
Value
$426.1K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
5/21/2026 | 28.81K | $426.1K | NYSE | Planned |
| Total | 28.81K | $426.1K | ||