BTC Development Advisors LLC - Sep 29, 2025 Form 3 Insider Report for BTC Development Corp. (BDCI)

Role
10%+ Owner
Signature
/s/ R. Maxwell Smeal
Stock symbol
BDCI
Transactions as of
Sep 29, 2025
Transactions value $
$0
Form type
3
Date filed
9/30/2025, 09:00 PM
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
BTC Development Advisors LLC 10%+ Owner 2929 ARCH STREET, SUITE 1703, PHILADELPHIA /s/ R. Maxwell Smeal 2025-09-30 0002086247

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding BDCI Class B Ordinary Shares Sep 29, 2025 Class A Ordinary Shares 4.1M Direct F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reporting persons disclaim beneficial ownership of these securities, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that a reporting person is the beneficial owner of such securities for any other purpose.
F2 The Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the issuer's business combination, or at any time and from time to time at the option of the holder, on a one-for-one basis, subject to certain adjustments described in the issuer's charter documents, and have no expiration date.
F3 Includes up to 550,000 shares that are subject to forfeiture in the event the underwriters of the issuer's initial public offering do not exercise their over-allotment option in full.

Remarks:

Exhibit 24 - Power of Attorney