Christopher Gibson sells Class A shares (NASDAQ: RXRX) in four filings

Rhea-AI Filing Summary

Christopher C. Gibson reported multiple Class A share sales under Form 144. The filing lists four transactions: 40,000 shares on 02/04/2026 (proceeds $164,800), 40,000 shares on 02/19/2026 (proceeds $138,400), 40,000 shares on 03/23/2026 (proceeds $130,000), and 40,000 shares on 04/07/2026 (proceeds $124,000).

The transactions are shown as sales of Founders Shares and identify Fidelity Brokerage Services LLC as a broker. Timing and cumulative holdings after these sales are not stated in the excerpt.

Key Figures

Sale — 02/04/2026: 40,000 shares Sale — 02/19/2026: 40,000 shares Sale — 03/23/2026: 40,000 shares +2 more

5 metrics

Sale — 02/04/2026 40,000 shares Proceeds $164,800 reported for sale on 02/04/2026

Sale — 02/19/2026 40,000 shares Proceeds $138,400 reported for sale on 02/19/2026

Sale — 03/23/2026 40,000 shares Proceeds $130,000 reported for sale on 03/23/2026

Sale — 04/07/2026 40,000 shares Proceeds $124,000 reported for sale on 04/07/2026

Total reported in excerpt 160,000 shares Aggregate of the four listed 40,000‑share transactions in the excerpt

Key Terms

Form 144, Founders Shares, Class A, Fidelity Brokerage Services LLC

4 terms

Form 144 regulatory

"reported multiple Class A share sales under Form 144"

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 financial

"Founders Shares | Issuer | 40000 | 09/01/2016 | Compensation"

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 financial

"Class A | Fidelity Brokerage Services LLC ... | 40000"

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.

Fidelity Brokerage Services LLC other

"Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917"

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	144400.00	521950663	04/22/2026	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	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
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	04/07/2026	40000	124000.00

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 filing disclose about Christopher C. Gibson's transactions?

The filing discloses four reported sales totaling 160,000 Class A shares across four dates. The excerpt lists sales on 02/04/2026, 02/19/2026, 03/23/2026, and 04/07/2026 with per‑trade proceeds shown in dollars.

How many Class A shares did Christopher C. Gibson sell in each reported RXRX transaction?

Each reported transaction shows 40,000 shares sold on the listed dates. The filing lists four such trades, each recorded as 40,000 shares with separate dollar proceeds for each date.

What proceeds are reported for Gibson's RXRX sales in the Form 144 excerpt?

The excerpt reports proceeds of $164,800, $138,400, $130,000, and $124,000 for the four sales respectively. Each dollar amount is shown alongside the corresponding sale date in the filing.

Which broker is named in the RXRX Form 144 excerpt for these transactions?

The filing names Fidelity Brokerage Services LLC at the listed address as the broker. The broker name appears in the securities/broker section of the excerpt accompanying the Class A entries.

Does the excerpt state Gibson's remaining holdings or aggregate post‑sale ownership for RXRX?

No. The provided excerpt does not state post‑transaction holdings or aggregate ownership after the sales. It lists individual sale dates, share counts, and proceeds without showing remaining beneficial ownership figures.