Richardson Nina
SEC Form 4 insider trading activity
Richardson Nina has filed 6 SEC Form 4 filings (6 transaction rows) across 3 companies, including COHU, REZI, SLAB, with disclosures dating back to 2026. 6 of those filings fall inside the rolling window. Most recent filing: Aug 6, 2026.
On the most recent filing, Richardson Nina is listed as Director at COHU INC. Inside the rolling window, Richardson Nina reported no open-market purchases and 3 open-market sales totaling $442K in COHU and REZI and SLAB. The largest disclosed transaction in the window is a sale of 1,355 SLAB shares on Jan 13, 2026, worth $202K.
Companies traded
Other insiders at COHU
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$442K
reported sales (SEC code S)
Companies
3
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Richardson Nina made?
Richardson Nina has filed 6 SEC Form 4 filings (6 transaction rows) across 3 companies, including COHU, REZI, SLAB since 2026.
Which companies does Richardson Nina trade?
Richardson Nina has filed SEC Form 4 disclosures for 3 companies, including COHU, REZI, SLAB.
When was Richardson Nina's most recent SEC Form 4 filing?
Richardson Nina's most recent SEC Form 4 filing on Tracefour is dated Aug 6, 2026.
What is Richardson Nina's total buy and sell value in the current window?
Inside the rolling retention window, Richardson Nina bought $0 and sold $442K based on SEC Form 4 filings.
What was Richardson Nina's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 1,355 SLAB shares on 2026-01-13, worth $202K, per SEC Form 4 filings.