Senior insider sale
Chief Technology Officer at AMPRIUS TECHNOLOGIES, INC. — senior position signals high conviction
$481.2K
32.02K shares
What this filing means
STEFAN CONSTANTIN IONEL plans to sell 32.02K shares of AMPRIUS TECHNOLOGIES, INC. valued at approximately $481.2K. 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: 5/28/2026ACC: 0001940928-26-000018
Officer· Chief Technology Officer
Since Mar 2026
32.02K
Shares to sell
$481.2K
Approx. market value
6.88K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Release of restricted stock units
Compensation
5/20/2026
6.88KTotal acquired6.88K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
5/20/2026 | Release of restricted stock units Compensation | 6.88K | — |
| Total | 6.88K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
28.81K
Market value
$426.1K
5/21/2026
Planned — Approximate Date
NYSEPlanned
Units to sell
3.21K
Market value
$55.2K
5/27/2026
Total
Units
32.02K
Value
$481.2K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
5/21/2026 | 28.81K | $426.1K | — | Completed |
| Planned — Approximate Date | ||||
5/27/2026 | 3.21K | $55.2K | NYSE | Planned |
| Total | 32.02K | $481.2K | ||