William E. Klitgaard - 01 May 2026 Form 3/A - Amendment Insider Report for Zapata Quantum, Inc. (ZPTA)

Reporting relationship: Director
Issuer ticker: ZPTA
Reported as of: 01 May 2026
Net transaction value: $0
SEC form: 3/A - Amendment
Accepted by SEC: 07 May 2026, 16:05:09 UTC
Original report date: 10 Oct 2025
Prior SEC filing: 04 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ William E. Klitgaard

Key filing fact

William E. Klitgaard filed Form 3/A - Amendment for Zapata Quantum, Inc. (ZPTA) on 07 May 2026.

Key facts

This page summarizes William E. Klitgaard's Form 3/A - Amendment filing for Zapata Quantum, Inc. (ZPTA).
0 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 07 May 2026, 16:05.

Change

Previous filing in this sequence was filed on 04 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0001229874 Primary reporting owner

KLITGAARD WILLIAM E

Relationship: Director
Address: C/O ZAPATA QUANTUM, INC., 6 LIBERTY SQUARE, #2488, BOSTON
Signature: /s/ William E. Klitgaard
Signature date: 07 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ZPTA holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 176,348
Date: 01 May 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ZPTA holding Derivative

Stock Options (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 01 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 34,279
Exercise price: $3.80
Footnotes: F1

ZPTA holding Derivative

Convertible Promissory Note

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 01 May 2026
Ownership: By William E. Klitgaard Trust
Underlying class: Common Stock
Underlying amount: 2,500,000
Exercise price: $0.0400
Footnotes: F2, F4

ZPTA holding Derivative

Warrants

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 01 May 2026
Ownership: By William E. Klitgaard Trust
Underlying class: Common Stock
Underlying amount: 1,250,000
Exercise price: $0.0400
Footnotes: F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

The stock options are fully executed and received in accordance with the terms of the Business Combination Agreement (the "Business Combination Agreement"), dated as of September 6, 2023, by and among the Issuer, Tigre Merger Sub, Inc. and Zapata Computing, Inc. ("Private Zapata"), in exchange for an option to acquire 75,000 shares of common stock of Private Zapata.

Footnote F2

The Notes mature on the one-year anniversary of the issuance date (subject to acceleration upon the occurrence of certain customary events of default or a change of control) and bear 10% per annum interest. The Notes convert automatically upon the Company's completion of a securities offering resulting in gross proceeds of at least $5 million. The Notes and Warrants were sold as units for which the total purchase price paid by the Reporting Person was $100,000.

Footnote F3

At any time when a registration statement registering the resale of shares issuable upon exercise of the Warrants is not effective, the Warrants can be exercised cashlessly. The Notes and Warrants were sold as units for which the total purchase price paid by the Reporting Person was $100,000.

Footnote F4

The Reporting Person is the trustee for the William E. Klitgaard Trust.

SEC remarks

The original Form 3 was filed at a time when the Issuer was subject to Section 12(b) of the Securities Exchange Act of 1934. That registration was subsequently withdrawn. The Issuer became subject to the reporting requirements under Section 12(g) of the Securities Exchange Act of 1934 on May 1, 2026. The Form 3 is now being amended to comply with the reporting requirements under Section 12(g).