LAM RESEARCH CORP (LRCX)

What am I looking at?

Everything on this page comes from public SEC filings that name this company. The cards show the automated signal score, net insider activity (open-market buys minus sells over the last 90 days), distinct insider buyers, and watchlist institutions currently holding the stock. The timeline lists each transaction row with a link to the original filing.

insider_buy / insider_sell

An officer or director traded on the open market (Form 4). Scheduled 10b5-1 plan trades are noted and treated as low-signal.

13f_new / 13f_add / 13f_trim / 13f_exit

A watchlist fund opened, increased, reduced, or closed a position between quarterly 13F reports — these become public up to 45 days after the quarter ends.

13d_filed

An investor crossed 5% ownership with activist intent (Schedule 13D).