Thomas M. Stepien owns 0.42% of Amprius Technologies
616,010 shares as of the August 25, 2026 filing, worth $4.7M at the latest close.
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Free.
The stake
0.42%
worth $4.7M at the latest close
Stake rank
#2,151
by dollar value of the stake
Last sale
56 days ago
Aug 24, 2026
Last buy
None
no purchases since 2026
Thomas M. Stepien owns 0.42% of Amprius Technologies, Inc.: 616,010 of 146,080,618 shares, worth about $4.7M at the 2026-10-16 close. The stake has moved from 0.01% in 2025 to 0.42% on 2026-08-25, across 4 sales and 0 purchases that moved it since 2016. The last trade that moved it was a discretionary sale of $323,553 on 2026-08-24.
How the stake is held
as of the Aug 25, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Aug 25, 2026 · Form 4 ↗
HELD DIRECTLY
578,750
94.0%
HELD INDIRECTLY · Indirect, per the filing’s footnote
37,260
6.0%
THE STAKE
616,010
0.42%