InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (5 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
5
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the detailed record of transactions filed by Stepien Thomas M, Chief Executive Officer. Officer active across 1 company, notably Amprius Technologies, Inc.. Aggregated, 17 disclosures have been logged. Breakdown: 0 buy · 5 sells. Total volume traded: €1.1m. Activity tracked since 1 May 2025. The latest transaction was disclosed on 21 August 2026 (Cession). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Stepien Thomas M
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations17 total
23,529 shares@ US$10.341Common stockSEC:0002067233-26-000019:0
8,000 shares@ US$10.03Common stockSEC:0002067233-26-000019:1
5,000 shares0Common stockSEC:0002067233-26-000019:2
5,000 shares0Common stockSEC:0002067233-26-000019:3
5,000 shares0Common stockSEC:0002067233-26-000019:4
346 shares0Common stockSEC:0002067233-26-000019:5
346 shares0Common stockSEC:0002067233-26-000019:6
30,384 shares0Common stockSEC:0002067233-26-000015:0
36,914 shares0Common stockSEC:0002067233-26-000015:1
36,914 shares0Common stockSEC:0002067233-26-000015:2
2,000 shares@ US$20.970.0020% mcap4.1% of flowCommon stockSEC:0002067233-26-000015:3
4,375 shares@ US$17.19350.0048% mcap7.7% of flowCommon stockSEC:0002067233-26-000012:0
60,702 shares@ US$14.78840.058% mcap92.3% of flowCommon stockSEC:0002067233-26-000008:0
200,000 shares0Common stockSEC:0002067233-26-000004:0
150,000 shares0Common stockSEC:0002067233-26-000002:0
200,000 shares0Common stockSEC:0002067233-25-000010:0
400,000 shares0Common stockSEC:0002067233-25-000005:0
17 of 17 declarations
About Stepien Thomas M
Stepien Thomas M is Directeur Général and Chief Executive Officer at Amprius Technologies, Inc. He has 10 filings in total, and among the sampled recent filings from 2025-05-06 to 2026-06-05, the transactions show EUR 0 in buys and EUR 873210 in sells, with the modal transaction nature listed as Attribution.
