Chen Timothy

SEC Form 4 insider trading activity

Chen Timothy has filed 3 SEC Form 4 filings (6 transaction rows) across 1 company, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: Jun 10, 2026.

On the most recent filing, Chen Timothy is listed as Director at Ambiq Micro, Inc. Inside the rolling window, Chen Timothy reported no open-market purchases and 1 open-market sale totaling $5.6M in AMBQ.

Companies traded

Other insiders at AMBQ

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$5.6M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
AMBQSale$5.6MMay 29SEC ↗

Frequently asked questions

How many SEC Form 4 filings has Chen Timothy made?

Chen Timothy has filed 3 SEC Form 4 filings (6 transaction rows) across 1 company since 2026.

Which companies does Chen Timothy trade?

Chen Timothy has filed SEC Form 4 disclosures for 1 company, including AMBQ.

When was Chen Timothy's most recent SEC Form 4 filing?

Chen Timothy's most recent SEC Form 4 filing on Tracefour is dated Jun 10, 2026.

What is Chen Timothy's total buy and sell value in the current window?

Inside the rolling retention window, Chen Timothy bought $0 and sold $5.6M based on SEC Form 4 filings.

What was Chen Timothy's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 70,592 AMBQ shares on 2026-05-27, worth $5.6M, per SEC Form 4 filings.