Activity Companies Alerts About

What every CEO owns of the company they run.

Every US public company worth $200M or more, computed from the SEC filings they signed. Updated nightly, never estimated.

431
Founder-led companies
362
CEOs own more than 5%
$2.16T
Held by those founders
2,854
Companies, computed nightly

Filed this week

The three biggest founder moves of the last seven days, by the size of the trade
The full tape →
Oct 15IOTSanjit Biswas: scheduled sale, $11M · 0.3% of the stake · Samsara Inc.SCHEDULED SALE
Oct 13CRWDGeorge Kurtz: scheduled sale, $8M · 0.4% of the stake · CrowdStrike Holdings, Inc.SCHEDULED SALE
Oct 14WNiraj Shah: scheduled sale, $7.3M · 0.8% of the stake · Wayfair Inc.SCHEDULED SALE

The stakes

The three largest founder stakes, by value
All companies →
01 · READ THE FILINGS
Every Form 4 and every proxy statement, pulled from SEC EDGAR nightly. The record starts in 2016.
02 · COMPUTE THE STAKE
Shares reported held over shares outstanding: a fraction, not an estimate. When the filings can’t settle a number, the page says so; nothing is guessed.
03 · LINK EVERY TRADE
Every number carries the filing it came from. Click through to EDGAR and check it yourself.
Know within minutes when a founder’s stake moves.
An email within minutes of any filing that moves a founder’s holding 1% or more. Free.