Open-market BuyHigh signal 90/100
filed 2026-08-14TBCEO
TAN LIP BU - Director, CEO - $10.00M
Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics.
View source filingSEC EDGAR - Form 4 insider activity
Semiconductors - 2 filings indexed by Nortis
Nortis signal thesis
Buying activity is leading recent insider flow.
1
OM buys - 90d
0
OM sells - 90d
1
Routine filings
0
Cluster filings
$10.00M
Largest trade
50/100
Avg signal score
Filing tape
TAN LIP BU - Director, CEO - $10.00M
Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics.
View source filingChandrasekaran Nagasubramaniyan - EVP, CT & Ops Off, GM Foundry
Option exercises are often compensation mechanics rather than a direct market view; what happens to the shares next matters more.
View source filing