RXRX (RXRX) affiliate files Form 144, multiple 40,000-share resales reported

Rhea-AI Filing Summary

Christopher C. Gibson reported proposed and recent resale activity of Class A shares under Form 144. The filer lists multiple proposed sales and shows four Class A dispositions in the past three months: 40,000 shares on 01/20/2026 for $178,800; 40,000 shares on 02/04/2026 for $164,800; 40,000 shares on 02/19/2026 for $138,400; and 40,000 shares on 03/23/2026 for $130,000. The filing also lists a proposed sale of 40,000 Class A "Founders Shares" with a broker designation of Fidelity Brokerage Services LLC.

Insights

Securities Counsel

Form 144 notifies of affiliate resale activity; it is administrative, not a completed market sale.

Form 144 is the statutory notice required when an affiliate intends to sell restricted or control securities in reliance on Rule 144. The filing lists specific past dispositions and a proposed 40,000-share transaction involving Founders Shares and a broker.

Actual market execution and proceeds depend on whether sales occur; subsequent coverings (Form 4 or resale confirmations) will show completed transactions. The filing itself does not change company financials.

Capital Markets Analyst

Multiple 40,000-share dispositions are recorded; these are routine affiliate resales in small tranches.

The excerpt shows four executed dispositions each of 40,000 Class A shares with disclosed gross amounts. These entries indicate periodic sales rather than a single large block, which is common for liquidity management by affiliates.

Monitor future filings for confirmations of additional resale activity or cumulative impact on free float.

Key Figures

Proposed sale: 40,000 shares Disposition 1: 40,000 shares Disposition 2: 40,000 shares +2 more

5 metrics

Proposed sale 40,000 shares Founders Class A (proposed; broker: Fidelity Brokerage Services LLC)

Disposition 1 40,000 shares sold on 01/20/2026 for $178,800

Disposition 2 40,000 shares sold on 02/04/2026 for $164,800

Disposition 3 40,000 shares sold on 02/19/2026 for $138,400

Disposition 4 40,000 shares sold on 03/23/2026 for $130,000

Key Terms

Form 144, Founders Shares, Class A

3 terms

Form 144 regulatory

"Notice of proposed sale by an affiliate"

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.

Founders Shares market

"Class A | Founders Shares | Issuer"

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.

Class A market

"Class A listed in securities and dispositions"

Class A denotes a specific group of a company’s shares that carry a particular set of rights—most commonly different voting power or dividend priority compared with other share classes. Think of it like different seats on a bus where some seats let you steer and others only ride: knowing whether a share is Class A tells investors how much influence they have over company decisions and how returns might be distributed, which affects control and value.

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	124000.00	521950663	04/07/2026	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	01/20/2026	40000	178800.00
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	02/04/2026	40000	164800.00
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	02/19/2026	40000	138400.00
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	03/23/2026	40000	130000.00

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 Christopher C. Gibson's Form 144 filing for RXRX show?

It shows proposed and recent Class A share resales by an affiliate. The filing lists four past dispositions of 40,000 shares each on 01/20/2026, 02/04/2026, 02/19/2026, and 03/23/2026 with gross amounts reported.

How many shares does the Form 144 list as proposed for sale?

The filing lists a proposed 40,000-share sale of Founders Class A shares. The cover data also names Fidelity Brokerage Services LLC as the broker and labels the securities as "Founders Shares."

What were the gross proceeds reported for the recent dispositions?

Four gross proceeds amounts are reported for prior sales. The amounts are $178,800, $164,800, $138,400, and $130,000 corresponding to the four dated dispositions.

Does Form 144 confirm that the proposed sale has occurred?

No — Form 144 is a notice of proposed resale by an affiliate, not proof of completion. Completion and actual market sales would be confirmed by subsequent transactional filings or broker statements.