Gibson files Form 144 to sell 40,000 Class A shares (RXRX)

Rhea-AI Filing Summary

Christopher C. Gibson filed a Form 144 reporting a proposed sale of 40,000 Class A shares. The filing lists multiple sales of 40,000 Class A shares each during March–May 2026 with proceeds shown per trade.

Reported sales: 03/23/2026 $130,000; 04/07/2026 $124,000; 04/22/2026 $144,400; 05/07/2026 $134,800; 05/22/2026 $123,200.

Key Figures

Proposed sale: 40,000 shares 03/23/2026 sale: $130,000 04/07/2026 sale: $124,000 +3 more

6 metrics

Proposed sale 40,000 shares Class A shares (listed in "Securities To Be Sold")

03/23/2026 sale $130,000 40,000 Class A shares on 03/23/2026

04/07/2026 sale $124,000 40,000 Class A shares on 04/07/2026

04/22/2026 sale $144,400 40,000 Class A shares on 04/22/2026

05/07/2026 sale $134,800 40,000 Class A shares on 05/07/2026

05/22/2026 sale $123,200 40,000 Class A shares on 05/22/2026

Key Terms

Form 144, Rule 144, Founders Shares

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.

Rule 144 regulatory

"144: Securities To Be Sold"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Founders Shares other

"Class A | 09/01/2016 | Founders Shares"

Founders shares are a special block of a company’s stock originally given to the people who started the business; they often carry extra voting power or favorable terms compared with regular shares. For investors, these shares matter because they concentrate control and influence how future funding, ownership dilution, and decision-making will play out—think of founders shares as the steering wheel that can steer a company’s direction even as more passengers (investors) climb aboard.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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
Class A	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	40000	144800.00	524677865	06/05/2026	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 *
Class A	09/01/2016	Founders Shares	Issuer			40000	09/01/2016	Compensation

* 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
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	03/23/2026	40000	130000.00
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	04/07/2026	40000	124000.00
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	04/22/2026	40000	144400.00
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	05/07/2026	40000	134800.00
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	05/22/2026	40000	123200.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the RXRX Form 144 filed by Christopher C. Gibson disclose?

It discloses a proposed sale of 40,000 Class A shares by Christopher C. Gibson. The filing also lists recent sales of 40,000 shares on specific dates with gross proceeds shown for each trade.

Which sale dates and amounts are shown in the RXRX Form 144 excerpt?

The excerpt lists five transactions: 03/23/2026 $130,000, 04/07/2026 $124,000, 04/22/2026 $144,400, 05/07/2026 $134,800, and 05/22/2026 $123,200. Each line shows 40,000 Class A shares.

Who is the reporting person on the RXRX Form 144 and what security class is involved?

The reporting person is Christopher C. Gibson. The security class identified in the excerpt is Class A shares, with transactions and a proposed sale amount shown as 40,000 shares.

Does the RXRX excerpt state whether proceeds go to the issuer or selling holder?

The excerpt shows gross proceeds per transaction associated with the selling person. It does not state in those lines whether proceeds are being paid to the issuer; the lines attribute the amounts to the reported sales.

What is the role of Fidelity Brokerage Services LLC in the RXRX Form 144 excerpt?

Fidelity Brokerage Services LLC appears as a filer address line in the excerpt. The entry lists an address and a figure alongside NASDAQ; the excerpt does not elaborate on Fidelity’s specific role beyond listing in the filer information.