Form 4

Insider buys and sales

Source: Form 4 filings on SEC EDGAR

Type a ticker for one company's Form 4s, or read today's open-market trades at companies with a public float under $300M (All companies is one tap away): buys first, then sales, cluster buys and each insider's record across companies.

Open-market buys, last day1
Cluster buys, last 30 days, all companies14
Open-market sales, last day1
Planned sales (10b5-1), last day3

Cluster buys, last 30 days, all companies

6 of 14 companies whose last cluster buy was in the last 30 days, those with a public float under $2B first.

Trades filed since Nov 3

Notes on each row are as each Form 4 states them, next to SEC Tracker's own records of the company's filings and other insiders' buys. The Stake column is the change in their holding.

TradedCompanyInsiderTradeValueStakeNotes
Nov 1, 2026
Filed Nov 3, 2026
Taiwan Semiconductor Manufacturing TSMLipen Yuan
VP
Open-market buy
1,000 shares
$71K
at $71.49
+14%
Their first open-market buy here in SEC Tracker's records. One of 7 insiders who bought $93K over 26 days, within the 30-day window. 5 days after the company's SCHEDULE 13G filed Oct 27, 2026.
Nov 2, 2026
Filed Nov 3, 2026
Vicor VICRPhilip D Davies
Officer
Planned sale (10b5-1)
478 shares
$84K
at $175.00
−10%
The filing says this sale was under a Rule 10b5-1 plan set up in advance. 7 days after the company's 10-Q filed Oct 26, 2026.

3 open-market sales at companies with a public float of $2B or more are under Everything.

Insider records

The 3 insiders in these trades with the most bought and sold on the open market across every company, in SEC Tracker's records.

InsiderBuysSalesBoughtSoldCompanies
Chris Koopmans137$531K$28.6M1
Philip D Davies098$19.9M1
Lipen Yuan10$71K1

Open-market trades are Form 4 transaction codes P (purchase) and S (sale). Planned sales are those the filing marks as made under a Rule 10b5-1 plan. A P-code buy at the offering price within a day of the company's FWP, 424B prospectus or offering 8-K is marked Bought in the offering and left out of open-market buy counts and cluster buys. Prices and values are as stated in each Form 4. Stock prices aren't shown on this page. Not investment advice.