FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
RECHTSCHAFFEN ANDREW

(Last) (First) (Middle)
C/O PINNACLE ACQUISITION CORPORATION
375 SOUTH COUNTY ROAD, SUITE 220

(Street)
PALM BEACH FL 33480

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
08/06/2026
3. Issuer Name and Ticker or Trading Symbol
Pinnacle Acquisition Corp [ PNAQ ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director X 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Class B Ordinary Shares (1)   (1)   (1) Class A Ordinary Shares 5,750,000 (1) I (2) (3) See footnote (3)
Explanation of Responses:
1. As described in the Registration Statement on Form S-1 (File No. 333-297618) of Pinnacle Acquisition Corporation (the "Issuer") under the heading "Description of Securities--Founder Shares," 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 prior to the Issuer's initial business combination, at the option of the holder, on a one-for-one basis, subject to certain adjustments. The Class B ordinary shares have no expiration date.
2. These shares represent the Class B ordinary shares held by PAC Sponsor, LLC (the "Sponsor") acquired pursuant to a subscription agreement by and between the Issuer and the Sponsor. The Class B ordinary shares include up to 750,000 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 as described in the Issuer's Registration Statement.
3. Represents shares held by the Sponsor. Steven K. Hudson and AVR Capital Holdings, LLC, an affiliate of Andrew Rechtschaffen, are the co-managing members of the Sponsor and control the management of the Sponsor, including the exercise of voting and investment discretion over the securities held by the Sponsor. Mr. Hudson and AVR Capital Holdings, LLC disclaim any beneficial ownership of the reported shares other than to the extent of any pecuniary interest they may have therein, directly or indirectly.
/s/ Andrew Rechtschaffen 08/06/2026
** Signature of Reporting Person Date
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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