President and COO · Ambiq Micro, Inc. · Ambiq Micro, Inc. — Stock Option (Right to Buy)
Side
M
Value
—
Shares
15.0K
Price
—
Executed
Sep 4, 2026
Disclosed
Sep 9, 2026
Disclosure timeline5 days from execution to publication · legal deadline 2 business days
Sep 4 executedSep 9, 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+5 / 25
No reported dollar value · 11.2% of prior position
Filing timing+6 / 15
Disclosed 3 business days after execution (deadline: 2)
Historical behavior+4 / 15
2 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
Pre-arranged plan-10
Executed under a Rule 10b5-1 trading plan
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.
Chen Sean Chihhsiang filed this Form 4 reporting a option exercise of AMBQ on Sep 4, 2026. It became public on Sep 9, 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
President and COO
Chen Sean Chihhsiangcik:0002078559
Issuer
Ambiq Micro, Inc.cik:0001500412
Revision history · 0
No field has changed since this record was first ingested.
