Esaka Fumihide
Chief Executive Officer
Esaka Fumihide has filed 7 SEC Form 4 filings (25 transaction rows) across 1 company, with disclosures dating back to 2025. 7 of those filings fall inside the rolling window. Most recent filing: Sep 2, 2026.
On the most recent filing, Esaka Fumihide is listed as Chief Executive Officer at Ambiq Micro, Inc. Inside the rolling window, Esaka Fumihide reported no open-market purchases and 5 open-market sales totaling $11.2M in AMBQ. The largest disclosed transaction in the window is a sale of 60,000 AMBQ shares on May 14, 2026, worth $4.2M.
Companies traded
Other insiders at AMBQ
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$11.2M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Esaka Fumihide made?
Esaka Fumihide has filed 7 SEC Form 4 filings (25 transaction rows) across 1 company since 2025.
Which companies does Esaka Fumihide trade?
Esaka Fumihide has filed SEC Form 4 disclosures for 1 company, including AMBQ.
When was Esaka Fumihide's most recent SEC Form 4 filing?
Esaka Fumihide's most recent SEC Form 4 filing on Tracefour is dated Sep 2, 2026.
What is Esaka Fumihide's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Esaka Fumihide is listed as Chief Executive Officer.
What is Esaka Fumihide's total buy and sell value in the current window?
Inside the rolling retention window, Esaka Fumihide bought $0 and sold $11.2M based on SEC Form 4 filings.
What was Esaka Fumihide's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 60,000 AMBQ shares on 2026-05-14, worth $4.2M, per SEC Form 4 filings.