Cosan S.A. (CSAN3) has filed 2 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-22. InsiderAlpha tracks every CSAN3 SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CSAN3 insider filings:
P
Open-market purchase by the insider
S
Open-market sale by the insider
A
Grant, award, or other acquisition from the issuer
M
Exercise or conversion of derivative security (e.g. options)
F
Payment of exercise price or tax liability via share withholding
G
Bona-fide gift of securities
D
Disposition to the issuer (e.g. share buyback participation)
J
Other acquisition or disposition
X
Exercise of in-the-money or at-the-money derivative security
C
Conversion of derivative security
V
Transaction voluntarily reported earlier than required
CSAN3 Insider Trading — FAQ
What is the latest insider trade for CSAN3?
Cosan S.A. (CSAN3) had 2 insider filings in the last 90 days, with the most recent on 2026-05-22. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying CSAN3 stock?
0 insider purchases of CSAN3 were filed in the last 90 days.
How many insiders are selling CSAN3 stock?
0 insider sales of CSAN3 were filed in the last 90 days.
Where can I see CSAN3 SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every CSAN3 SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.