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Rubens Ometto Silveira Mello sold $267k of CSANY

director at Cosan S.A.. 77,640 shares at an average of $3.44, traded May 22, 2026, filed May 26, 2026.

Warning score
48
Value
$267k
77,640 shares
Holdings after
0
-100% from before
From 52-week low
+3%
low $3.26, close $3.36
From 52-week high
-45%
high $6.16, as of May 22, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $267k at market
    +13
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    No other insider selling within 14 days
    0

What happened after comparable sells

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.

CSANYOct 12, 2026 · close 4.20
Since filing May 26, 2026: +25.7%SPY +4.2% · excess +21.6%

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 0001292814-26-003194, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 22, 2026SOpen-market sale
Common Stockindirect: Rio das Pedras Acoes
-77,640$3.44$267k0May 26, 2026

Related signals

Other insiders at Cosan S.A. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
39Weak
Cosan S.A.
Burkhard Otto Cordes
director
$696k
159,000 shares
+12%
34Weak
CSANYsell
Cosan S.A.
Maria Rita de Carvalho Drummond
Chief Legal Officer
$603k
109,400 shares
-5%
64Notable
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.

Rubens Ometto Silveira Mello sold $267k of CSANY | InsiderTell