Cosan S.A. (CSAN) insider trading
Cosan S.A. insiders have made 1 open-market purchase worth $696k since Sep 15, 2026, by 1 insider. The latest: Burkhard Otto Cordes (Director) bought $696k, filed Sep 15, 2026, scored 23 out of 100.
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Insider purchases
| Filed | Insider | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Sep 15 Form 4 (opens sec.gov) |
Burkhard Otto CordesDirector · filed lateDirector · Filed late | +12% stake | 23 | $696k 159,000 at $4.38 |
waiting | waiting |
Insiders who bought CSAN
- Burkhard Otto Cordes Director
Questions
Are insiders buying CSAN stock?
Yes. In the last 90 days, 1 open-market purchase was filed, worth $696k.
Who bought CSAN stock most recently?
Burkhard Otto Cordes, Director, bought 159,000 shares for $696k (Form 4 (opens sec.gov), filed Sep 15, 2026).
How does InsiderBeacon score an insider buy?
Out of 100, from who bought, how much their stake grew, the size of the trade, whether other insiders bought within ten days, where the price sat in its 52-week range, and whether it was a first or a routine buy. The score is fixed when the filing arrives. The formula and the research behind it.
Insiders are also buying, same industry
Data as of Sep 15, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer