CoverageForm 410-K10-Q8-K13D13G13F

Amprius Technologies, Inc.

AMPXCIK 0001899287 · Every Form 4 filed by insiders at this issuer. See financials →

Annual report (10-K)

Latest 10-K filed Mar 6, 2026. Sentiment + YoY language diff vs prior year. Read sections →

Signal:Neutral
Risk Factors:tone -0.0328Δ-0.001991% similar+92/-103
MD&A:tone -0.0035Δ+0.000488% similar+50/-50

Sentiment via Loughran-McDonald lexicon · YoY diff via Jaccard similarity + paragraph set difference.

Recent 8-K announcements

Per-item disclosure feed. Item 2.02 is the earnings release.

Top insiders

Most active reporters at Amprius Technologies, Inc.

NameRolesFilings
Stefan Constantin Ionel
Officer
21
Sun Kang
OfficerDirector
19
Bornstein Jonathan
Officer
17
Mirro Justin E
Director
9
Wallach Sandra
Officer
8

Showing 1-5 of 14

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Top performers

Insiders ranked by realized 90-day signed return on their open-market trades at Amprius Technologies, Inc.. Minimum 3 scored trades. Returns are signed - a sale followed by a rally counts against the insider.

#InsiderTradesWin rateAvgMedianBestWorst
1Stefan Constantin Ionel1625%-50.5%-63.4%+26.7%-178.5%
2Sun Kang1331%-49.5%-69.7%+26.7%-178.5%
3Amprius, Inc.560%-49.2%+18.9%+23.2%-158.0%
4Wallach Sandra743%-48.4%-59.2%+26.7%-178.5%
5Mirro Justin E3281%-8.1%+21.9%+57.2%-164.3%
6Bornstein Jonathan2556%-1.1%+15.8%+52.6%-91.7%

All filings

107 Form 4 / 4-A filings, newest first

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