Betsy Z. Cohen - Sep 29, 2025 Form 3 Insider Report for BTC Development Corp. (BDCI)

Role
Director, 10%+ Owner
Signature
/s/ R. Maxwell Smeal, Attorney-in-fact
Stock symbol
BDCI
Transactions as of
Sep 29, 2025
Transactions value $
$0
Form type
3
Date filed
9/30/2025, 08:52 PM
Previous filing
Jun 30, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
COHEN BETSY Z Director, 10%+ Owner 2929 ARCH STREET, SUITE 1703, PHILADELPHIA /s/ R. Maxwell Smeal, Attorney-in-fact 2025-09-30 0001168754

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding BDCI Class A Ordinary Shares 513K Sep 29, 2025 By BTC Development Sponsor LLC F1, F2, F3

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 4.59M By BTC Development Sponsor LLC F2, F3, F4, F8
holding BDCI Warrants Sep 29, 2025 Class A Ordinary Shares 128K $11.50 By BTC Development Sponsor LLC F2, F3, F5, F6, F7
holding BDCI Class B Ordinary Shares Sep 29, 2025 Class A Ordinary Shares 4.1M By BTC Development Advisors LLC F2, F3, F4, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares underlie 512,500 units of the issuer that BTC Development Sponsor LLC has irrevocably committed to purchase.
F2 The reporting person disclaims beneficial ownership of these securities, except to the extent of her pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for any other purpose.
F3 These shares are held directly by the issuer's sponsors, BTC Development Sponsor LLC and BTC Development Advisors LLC, which are managed by the reporting person.
F4 The Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the issuer's initial 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.
F5 The warrants will become exercisable at the later of 30 days after the consummation of the issuer's initial business combination or 12 months from the completion of the issuer's initial public offering.
F6 The warrants will expire five years after the consummation of the issuer's initial business combination or earlier upon redemption of all of the issuer's outstanding Class A ordinary shares or the issuer's liquidation.
F7 These warrants underlie 512,500 units of the issuer that BTC Development Sponsor LLC has irrevocably committed to purchase.
F8 Includes up to 1,100,000 shares that are subject to forfeiture in the event the underwriters of the issuer's initial public offering do not exercise in full their over-allotment option.

Remarks:

Exhibit 24 - Power of Attorney