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Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (5 ops.)
Latest filing published 25 Aug 2026 for Amprius Technologies, Inc., €208k. Read the official filing
Filing timeline
BuySaleThomas M. Stepien
Insider track record
Disclosed buys
0
Disclosed sells
5
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Thomas M. Stepien: trading record in brief
Thomas M. Stepien is a declared insider of Amprius Technologies, Inc. (chief executive), with filings sourced from SEC (Form 4). In total, 17 filings cover trades dated from 1 May 2025 to 25 August 2026.
Every open-market trade on record is a sale: 5 sales worth €1.1M. Other entries cover 5 share grants. 2026 to date brings no purchases and 5 sales.
The record was last updated on 25 August 2026 with an open-market sale (€208k) in Amprius Technologies, Inc. Typically, a trade is published a median of 2 days after it takes place. The legal deadline for a Form 4 is two business days after the transaction. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to Thomas M. Stepien
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
