Form 144: Insider sale of 50,000 warrants by Rigetti executive

Rigetti Computing disclosed a Form 144 reporting a sale of warrants: Michael Clifton sold 50,000 warrants on 05/21/2026 for $500,000.

Rhea-AI Filing Summary

Rigetti Computing disclosed a Form 144 reporting a sale of warrants: Michael Clifton sold 50,000 warrants on 05/21/2026 for $500,000. The filing also lists a broker entry showing 156,250 warrants with $2,278,125 referenced and a Nasdaq listing date of 06/02/2026.

Insights

Capital Markets Counsel

Form 144 discloses an insider warrant sale and related broker entry.

The filing shows Michael Clifton disposed of 50,000 warrants on 05/21/2026 with proceeds of $500,000. This is a standard Rule 144 notice of a proposed sale under resale limitations.

Timing and broader market impact depend on filing mechanics and any resale conditions; subsequent SEC filings or broker reports will show execution details.

Key Figures

Warrants sold: 50,000 warrants Proceeds reported: $500,000 Broker-level warrants listed: 156,250 warrants +1 more

4 metrics

Warrants sold 50,000 warrants sale by Michael Clifton on 05/21/2026

Proceeds reported $500,000 proceeds linked to the 50,000-warrant sale on 05/21/2026

Broker-level warrants listed 156,250 warrants entry showing Piper Sandler & Co. with a Nasdaq date of 06/02/2026

Broker-level dollar figure $2,278,125 amount listed alongside 156,250 warrants in the excerpt

Key Terms

Form 144, Sponsor Promote Warrants, warrants

3 terms

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Sponsor Promote Warrants financial

"Warrants | 03/02/2022 | Sponsor Promote Warrants"

warrants financial

"Warrants | Piper Sandler & Co Inc ... | 156250"

Warrants are special documents that give you the right to buy a company's stock at a set price before a certain date. They are often used as a way for companies to attract investors or raise money, and their value can increase if the company's stock price goes up.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Rigetti Computing (RGTI) disclose in this Form 144?

The Form 144 reports a sale of 50,000 warrants by Michael Clifton for $500,000. The filing also lists a broker-level entry of 156,250 warrants and an associated $2,278,125 figure with a Nasdaq date of 06/02/2026.

Who executed the transaction reported in the RGTI Form 144?

The filing names Michael Clifton as the holder who sold 50,000 warrants on 05/21/2026 for $500,000. A broker entry lists Piper Sandler & Co. alongside 156,250 warrants in the excerpt provided.

Do Form 144 filings confirm trade settlement or execution?

No, Form 144 is a notice of intent to sell restricted or control securities under Rule 144. It does not by itself confirm final settlement; broker reports or subsequent SEC filings show completed executions and settlement details.

What are 'Sponsor Promote Warrants' shown in the filing?

Sponsor Promote Warrants are a warrant class identified in the excerpt; they are listed with an original date of 03/02/2022. The filing references these warrants in the securities descriptions and transaction rows.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/02/2026 - 05:10 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001827853
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Rigetti Computing, Inc.
SEC File Number	001-40140
Address of Issuer	775 HEINZ AVENUE BERKELEY CALIFORNIA 94710
Phone	(510) 210-5550
Name of Person for Whose Account the Securities are To Be Sold	Clifton Michael S.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Warrants	Piper Sandler & Co Inc 350 N 5th St Ste 1000 Minneapolis MN 55401	156250	2278125.00	332398807	06/02/2026	Nasdaq

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Warrants	03/02/2022	Sponsor Promote Warrants	Issuer			156250	03/02/2022	NA

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Michael Clifton C/O Rigetti Computing Inc 775 Heinz Ave Berkeley CA 94710	Warrants	05/21/2026	50000	500000.00

144: Remarks and Signature

Remarks
Date of Notice	06/02/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Alex Johnson, a duly authorized representative of Piper Sandler & Co Corporate & Venture Services FA, as attorney-in-fact for Michael Clifton
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)