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Form SCHEDULE 13D/A StoneCo Ltd. Filed by: Madrone Partners, L.P.

October 7, 2026 4:19 PM





If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


Madrone Partners, L.P.
Signature:/s/ Thomas Patterson
Name/Title:By Madrone Capital Partners, LLC, its General Partner, By Thomas Patterson, Managing Member
Date:10/07/2026
Madrone Capital Partners, LLC
Signature:/s/ Thomas Patterson
Name/Title:By Thomas Patterson, Managing Member
Date:10/07/2026
Jameson J. McJunkin
Signature:/s/ Jameson McJunkin
Name/Title:Jameson McJunkin
Date:10/07/2026
Thomas Patterson
Signature:/s/ Thomas Patterson
Name/Title:Thomas Patterson
Date:10/07/2026
Gregory Boyd Penner
Signature:/s/ Gregory Penner
Name/Title:Gregory Penner
Date:10/07/2026

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