Burkhard Otto Cordes bought $696k of CSANY
director at Cosan S.A.. 159,000 shares at an average of $4.38, traded May 18, 2026, filed Sep 15, 2026.
Score components
- +15RoleDirector
- +21Trade size$696k at market
- +3Relative to holdingsHoldings up 12%
- 0Price contextNo price history yet
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001292814-26-004562, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 18, 2026 | POpen-market purchase COMMON STOCK (BVMF: CSAN3)indirect: DGF UBER ALLES FIM CP IE | +89,000 | $4.47 | $398k | 1,439,000 | 28 d ago |
| May 26, 2026 | POpen-market purchase COMMON STOCK (BVMF: CSAN3)indirect: DGF UBER ALLES FIM CP IE | +10,000 | $4.27 | $43k | 1,449,000 | 28 d ago |
| May 26, 2026 | POpen-market purchase COMMON STOCK (BVMF: CSAN3)indirect: DGF UBER ALLES FIM CP IE | +50,000 | $4.26 | $213k | 1,499,000 | 28 d ago |
| May 26, 2026 | POpen-market purchase COMMON STOCK (BVMF: CSAN3)indirect: DGF UBER ALLES FIM CP IE | +10,000 | $4.25 | $43k | 1,509,000 | 28 d ago |
Related signals
Other insiders at Cosan S.A. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 48Moderate | CSANYsell Cosan S.A. | Rubens Ometto Silveira Mello director | $267k 77,640 shares | -100% | |
| 34Weak | CSANYsell Cosan S.A. | Maria Rita de Carvalho Drummond Chief Legal Officer | $603k 109,400 shares | -5% | |
| 64Notable | CSANYbuy Cosan S.A. | Marcelo Eduardo Martins Chief Executive Officer | $24M 4,040,614 shares | +266% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.