Gibson family sells multiple Class A tranches — RXRX (NASDAQ)

Rhea-AI Filing Summary

Company and action: The filing reports disclosed sales of Class A shares by affiliates and individuals related to the Gibson family under Form 144. The excerpt lists multiple sale dates and share quantities, including individual transactions of 100,000 shares and a large block of 340,440 shares.

Context: Sales are reported with transaction dates from 04/22/2026 through 07/08/2026 and show aggregate per-line proceeds in dollars alongside each sale.

Insights

Insider Transaction Analyst

Routine Rule 144 dispositions by related parties across multiple dates.

The excerpt lists multiple reported sales of Class A shares by an individual (Christopher C. Gibson), a family trust, and an LLC, with explicit per‑trade share counts and dollar proceeds. The largest single line shown is 340,440 shares on 06/18/2026.

These entries reflect reported dispositions rather than company actions; cash‑flow recipients are the selling parties. Subsequent filings may show aggregated totals or confirmations required by transfer agents.

Key Figures

Largest single line sale: 340,440 shares Repeated tranche size: 100,000 shares Example proceeds: $1,089,541.29 +2 more

5 metrics

Largest single line sale 340,440 shares 06/18/2026

Repeated tranche size 100,000 shares multiple dates in July 2026

Example proceeds $1,089,541.29 proceeds for 340,440 shares on 06/18/2026

First reported sale 40,000 shares 04/22/2026

Total shares referenced in header line 286,000 shares Securities To Be Sold / Founders Shares (04/20/2021)

Key Terms

Class A, Founders Shares, Form 144, Gibson Family Trust

4 terms

Class A market

"Class A | Fidelity Brokerage Services LLC 900 Salem Street Smithfield"

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.

Founders Shares other

"Class A | 04/20/2021 | 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.

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

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.

Gibson Family Trust other

"Gibson Family Trust 41 S Rio Grande Street Salt Lake City UT 84101"

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Available on EDGAR 07/09/2026 - 04:26 PM Accepted by SEC EDGAR 07/09/2026 - 04:26 PM Learn about SEC filing dates

FAQ

What does the RXRX Form 144 excerpt report?

It reports sales of Class A shares by individuals and affiliated entities. The excerpt lists dated transactions from 04/22/2026 to 07/08/2026 with explicit share counts and dollar proceeds for each sale.

Who are the sellers named in the RXRX excerpt?

Sellers shown include Christopher C. Gibson, the Gibson Family Trust, and Lahwran-3 LLC. Each line pairs a seller name with a sale date, share count, and proceeds in dollars.

What are the largest transactions visible in the excerpt?

Visible large transactions include a line of 340,440 shares on 06/18/2026 and multiple 100,000-share sales on dates in July 2026, each with its reported dollar proceeds.

Does the excerpt state who received the sale proceeds?

The excerpt shows dollar proceeds linked to each selling line but does not state third‑party recipients; the proceeds are shown as amounts associated with the named selling persons/entities in the entries.

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	286000	1085716.29	524677865	07/09/2026	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	04/20/2021	Founders Shares	Issuer			286000	04/20/2021	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	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
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	06/05/2026	40000	144800.00
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	06/18/2026	340440	1089541.29
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	07/01/2026	100000	366630.37
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	07/02/2026	100000	378604.31
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	07/06/2026	100000	387776.14
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	07/07/2026	100000	390028.58
Gibson Family Trust 41 S Rio Grande Street Salt Lake City UT 84101	Class A	07/07/2026	50000	195014.41
Lahwran-3 Llc 41 S Rio Grande Street Salt Lake City UT 84101	Class A	07/07/2026	100000	390028.63
Christopher C. Gibson 41 S Rio Grande Street Salt Lake City UT 84101	Class A	07/08/2026	100000	368848.83
Lahwran-3 Llc 41 S Rio Grande Street Salt Lake City UT 84101	Class A	07/08/2026	100000	368845.25

144: Remarks and Signature

Remarks

Date of Notice

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)