Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Cosan S.a. (CSAN) since 2026 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Cosan S.a.. Table 2 shows the detailed insider transactions. This company's CIK number is 1430162.
Total stock buying since 2026: $23,819,811.
Total stock sales since 2026: $869,885.
Total stock option exercises since 2026: $0.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2026 | 4,040,614 | $23,819,811 | 187,040 | $869,885 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2026-05 | 2,441,528 | $12,549,453 | 77,640 | $267,081 | 0 | $0 |
| 2026-04 | 1,599,086 | $11,270,358 | 109,400 | $602,804 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-05-22 | Mello Rubens Ometto Silveira | Sale | 77,640 | 3.44 | 267,081 |
| 2026-05-19 | Martins Marcelo Eduardo (Chief Executive Officer) | Buy | 2,441,528 | 5.14 | 12,549,453 |
| 2026-04-17 | Drummond Maria Rita De Carvalho (Chief Legal Officer) | Sale | 37,400 | 5.48 | 204,914 |
| 2026-04-16 | Drummond Maria Rita De Carvalho (Chief Legal Officer) | Sale | 36,200 | 5.48 | 198,484 |
| 2026-04-15 | Drummond Maria Rita De Carvalho (Chief Legal Officer) | Sale | 35,800 | 5.57 | 199,406 |
| 2026-04-10 | Martins Marcelo Eduardo (Chief Executive Officer) | Buy | 1,599,086 | 7.05 | 11,270,358 |
Insider trading activities including stock purchases, stock sales, and option exercises of CSAN listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Cosan S.a. (symbol CSAN, CIK number 1430162) see the Securities and Exchange Commission (SEC) website.