Chief Technology Officer · Amprius Technologies, Inc. · Common stock
Side
M
Value
$1,980
Shares
39.6K
Price
$0.05
Executed
Jan 28, 2026
Disclosed
Jan 30, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Jan 28 executedJan 30, 2026 disclosed
AMPX · daily
Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.
Option exercise — administrative, little informational value
Relative size+5 / 25
$2K reported value · 5.3% of prior position
Filing timing0 / 15
Disclosed 2 business days after execution (deadline: 2)
Historical behavior+4 / 15
5 prior trades recorded in this security
Frequency & clustering0 / 15
No clustered activity in the dataset
Market events0 / 10
No material company filing within 60 days after the trade
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
Stefan Constantin Ionel filed this Form 4 reporting a option exercise of AMPX on Jan 28, 2026. It became public on Jan 30, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
Extraction
Method
Form 4 XML
Confidence
1.00
Chief Technology Officer
Stefan Constantin Ionelcik:0001940928
Issuer
Amprius Technologies, Inc.cik:0001899287
Revision history · 0
No field has changed since this record was first ingested.
