Key facts
- This page summarizes Stefan Lanna Lepecki's Form 3 filing for BRASKEM SA (BAK).
- 0 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 13 Mar 2026, 19:53.
Stefan Lanna Lepecki - 13 Mar 2026 Form 3 Insider Report for BRASKEM SA (BAK)
- Reporting relationship
- Executive Officer&Head of SAM
- Issuer ticker
- BAK
- Reported as of
- 13 Mar 2026
- Net transaction value
- $0
- Reporting owner signature
- Stefan Lanna Lepecki
Source evidence
Original filing metadata and source links for verification.
3 source fields
Reporting owner
1 detail
Key filing fact
Stefan Lanna Lepecki filed Form 3 for BRASKEM SA (BAK) on 13 Mar 2026.
Change
- No earlier filing in this sequence is available for direct comparison.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Official SEC source
View source filing
Ownership activity is grounded in SEC Form 3 disclosures.
Reporting Owners (1)
CIK 0002117777
Primary reporting owner
Lanna Lepecki Stefan
- Relationship
- Executive Officer&Head of SAM
- Address
- RUA LEMOS MONTEIRO,120,FLOOR 23,BUTANTA, SAO PAULO, BRAZIL
- Signature
- Stefan Lanna Lepecki
- Signature date
- 13 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
BAK
holding
Class A Preferred Shares
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 62,640
- Date
- 13 Mar 2026
- Ownership
- Direct
BAK
holding
American Depositary Receipt
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 39,963
- Date
- 13 Mar 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
BAK
holding
Derivative
Class A Preferred Share Units
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 13 Mar 2026
- Ownership
- Direct
- Underlying class
- Class A Preferred Shares
- Underlying amount
- 34,028
- Exercise price
- Footnotes
- F1, F4
BAK
holding
Derivative
Class A Preferred Share Units
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 13 Mar 2026
- Ownership
- Direct
- Underlying class
- Class A Preferred Shares
- Underlying amount
- 59,774
- Exercise price
- Footnotes
- F2, F4
BAK
holding
Derivative
Class A Preferred Share Units
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 13 Mar 2026
- Ownership
- Direct
- Underlying class
- Class A Preferred Shares
- Underlying amount
- 114,072
- Exercise price
- Footnotes
- F3, F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
These Class A Preferred Share Units vest on September 06, 2026, subject to certain other conditions set forth in the agreement.
Footnote F2
These Class A Preferred Share Units vest on June 05, 2027, subject to certain other conditions set forth in the agreement.
Footnote F3
These Class A Preferred Share Units vest on June 16, 2028, subject to certain other conditions set forth in the agreement.
Footnote F4
Each Class A Preferred Share Unit represents a contingent right to receive one Class A Preferred Share. The units will be settled in either Class A Preferred Shares or cash (or a combination thereof) at the discretion of the Issuer.