BTC Development Sponsor LLC - Oct 1, 2025 SCHEDULE 13D Report for BTC Development Corp. Class A Ordinary Shares, par value $0.0001 per share

Filing Manager
BTC Development Sponsor LLC
Reporting Manager
BTC Development Sponsor LLC
Security
BTC Development Corp. Class A Ordinary Shares, par value $0.0001 per share
Shares outstanding
34.7M shares
Disclosed Ownership
5.1M shares
Ownership
14.7%
Form type
SCHEDULE 13D
Date filed
10/6/2025, 07:13 PM
Date of event
Oct 1, 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BTC Development Sponsor LLC 14.69% 5.1M 0 5.1M /s/ Betsy Z. Cohen Betsy Z. Cohen 0002086269
COHEN BETSY Z 14.69% 5.1M 0 5.1M /s/ Betsy Z. Cohen Betsy Z. Cohen 0001168754
Young Bracebridge H Jr 14.69% 5.1M 0 5.1M /s/ Bracebridge H. Young, Jr. Bracebridge H. Young, Jr. 0001894252
Kirkwood Jonathan 14.69% 5.1M 0 5.1M /s/ Jonathan Kirkwood Jonathan Kirkwood 0002057403