STEPIEN THOMAS M

PrivateCIK: 2067233
Location

FREMONT, CA

Senior insider sale

Chief Executive Officer at AMPRIUS TECHNOLOGIES, INC. — senior position signals high conviction

$440.7K

37.90K shares

What this filing means

STEPIEN THOMAS M plans to sell 37.90K shares of AMPRIUS TECHNOLOGIES, INC. valued at approximately $440.7K. 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.

InsiderSTEPIEN THOMAS MCIK 2067233
DirectorOfficer· Chief Executive Officer
Since Mar 2026
37.90K
Shares to sell
$440.7K
Approx. market value
46.88K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months1
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Release of restricted stock units

Compensation

8/20/2026
46.88K
Total acquired46.88K
Planned & Completed Dispositions4
Sort

Completed

Completed

Units to sell

8K

Market value

$80.2K

8/24/2026
Completed

Units to sell

2K

Market value

$41.9K

6/4/2026
Completed

Units to sell

4.38K

Market value

$75.2K

5/27/2026

Planned — Approximate Date

NYSEPlanned

Units to sell

23.53K

Market value

$243.3K

8/21/2026
Total

Units

37.90K

Value

$440.7K