Sec Form 4 Filing - Anchorage Lending CA, LLC @ American Bitcoin Corp. /DE/ - 2025-09-03

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Anchorage Lending CA, LLC 2. Issuer Name and Ticker or Trading Symbol American Bitcoin Corp. /DE/ [ ABTC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) P.O. BOX - ONE EMBARCADERO CENTER #2409 3. Date of Earliest Transaction (MM/DD/YY) 09/03/2025 (Street) SAN FRANCISCO, CA94216 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 09/03/2025 S 1,250,170 ( 1 ) ( 2 ) D $ 7.36 ( 3 ) 1,284,321 D ( 4 ) Class A Common Stock 09/03/2025 S 1,103,035 ( 1 ) ( 2 ) D $ 8.45 ( 5 ) 181,286 D ( 4 ) Class A Common Stock 09/03/2025 S 181,285 ( 1 ) ( 2 ) D $ 9.2 ( 6 ) 1 D ( 4 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Anchorage Lending CA, LLC P.O. BOX - ONE EMBARCADERO CENTER #2409 SAN FRANCISCO, CA94216 X X Anchor Labs, Inc. P.O. BOX - ONE EMBARCADERO CENTER #2409 SAN FRANCISCO, CA94216 X X Signatures Anchorage Lending CA, LLC By: /s/ Margaret Vaden, General Counsel 09/05/2025 Signature of Reporting Person Date Anchor Labs, Inc. By: /s/ Margaret Vaden, General Counsel 09/05/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Prior to September 3, 2025, American Bitcoin Corp. (the "Issuer") was known as Gryphon Digital Mining, Inc. On September 3, 2025, the Issuer and pre-merger American Bitcoin Corp. ("Historical ABTC") completed stock-for-stock merger transactions (the "Mergers") pursuant to which the Issuer acquired Historical ABTC and changed its name from Gryphon Digital Mining, Inc. to American Bitcoin Corp. Prior to the closing of the Mergers, the Issuer effected a 5-for-1 reverse stock split (the "Reverse Stock Split") of the Issuer's common stock ("Common Stock"), and the Common Stock was reclassified (the "Reclassification") as the Issuer's Class A common stock ("Class A Common Stock"). ( 2 )Prior to the Reverse Stock Split and Reclassification, Anchorage Lending CA, LLC ("Anchorage Lending") and Anchor Labs, Inc., a Delaware corporation ("Anchor Labs") owned 12,672,454 shares of Common Stock. Following the Reverse Stock Split and Reclassification, Anchorage Lending and Anchor Labs owned 2,534,491 shares of Class A Common Stock. ( 3 )This transaction was executed in multiple trades at prices ranging from $6.89 to $7.85 per share. The price reported above reflects the weighted average price. The reporting persons hereby undertake to provide upon request to the Securities and Exchange Commission ("SEC") staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. ( 4 )Anchorage Lending is wholly owned by Anchor Labs. Accordingly, Anchor Labs may be deemed to share beneficial ownership of the securities held of record by Anchorage Lending. ( 5 )This transaction was executed in multiple trades at prices ranging from $7.94 to $8.91 per share. The price reported above reflects the weighted average price. The reporting persons hereby undertake to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. ( 6 )This transaction was executed in multiple trades at prices ranging from $8.99 to $9.48 per share. The price reported above reflects the weighted average price. The reporting persons hereby undertake to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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