Director, Chief Executive Officer · Ambiq Micro, Inc. · Common Stock
Side
M
Value
$316K
Shares
53.7K
Price
$5.88
Executed
Oct 7, 2025
Disclosed
Feb 10, 2026
Disclosure timeline126 days from execution to publication · legal deadline 2 business days
Oct 7 executedFeb 10, 2026 disclosed
AMBQ · 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+15 / 25
$316K reported value · 30.3% of prior position
Filing timing+15 / 15
Disclosed 90 business days after execution (deadline: 2)
Historical behavior+8 / 15
First recorded trade by this actor 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.
Esaka Fumihide filed this Form 4 reporting a option exercise of AMBQ on Oct 7, 2025. It became public on Feb 10, 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
Director, Chief Executive Officer
Esaka Fumihidecik:0002078454
Issuer
Ambiq Micro, Inc.cik:0001500412
Revision history · 0
No field has changed since this record was first ingested.
