RICHARDSON DAVID JEFFREY
SEC Form 4 insider trading activity
RICHARDSON DAVID JEFFREY has filed 12 SEC Form 4 filings (16 transaction rows) across 3 companies, including AMBA, KLIC, LSCC, with disclosures dating back to 2025. 11 of those filings fall inside the rolling window. Most recent filing: Sep 10, 2026.
On the most recent filing, RICHARDSON DAVID JEFFREY is listed as Director at KULICKE & SOFFA INDUSTRIES INC. Inside the rolling window, RICHARDSON DAVID JEFFREY reported no open-market purchases and 2 open-market sales totaling $2.0M in KLIC and LSCC. The largest disclosed transaction in the window is a sale of 12,779 LSCC shares on Feb 25, 2026, worth $1.3M.
Companies traded
Other insiders at AMBA
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$2.0M
reported sales (SEC code S)
Companies
3
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has RICHARDSON DAVID JEFFREY made?
RICHARDSON DAVID JEFFREY has filed 12 SEC Form 4 filings (16 transaction rows) across 3 companies, including AMBA, KLIC, LSCC since 2025.
Which companies does RICHARDSON DAVID JEFFREY trade?
RICHARDSON DAVID JEFFREY has filed SEC Form 4 disclosures for 3 companies, including AMBA, KLIC, LSCC.
When was RICHARDSON DAVID JEFFREY's most recent SEC Form 4 filing?
RICHARDSON DAVID JEFFREY's most recent SEC Form 4 filing on Tracefour is dated Sep 10, 2026.
What is RICHARDSON DAVID JEFFREY's total buy and sell value in the current window?
Inside the rolling retention window, RICHARDSON DAVID JEFFREY bought $0 and sold $2.0M based on SEC Form 4 filings.
What was RICHARDSON DAVID JEFFREY's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 12,779 LSCC shares on 2026-02-25, worth $1.3M, per SEC Form 4 filings.