Nurix Therapeutics (NRIX) insider plans $385K sale of stock options and RSUs

Rhea-AI Filing Summary

Nurix Therapeutics, Inc. (NRIX) reports that insider Christine Ring has filed to sell up to 16,589 shares of common stock, with an aggregate market value of $385,030.69, through Morgan Stanley Smith Barney LLC, with sales expected on or after August 3, 2026 on NASDAQ. The shares derive from an exercise of stock options for 5,787 shares on August 3, 2026 for cash and 10,802 restricted stock units vesting on July 30, 2025. The filing also lists prior Rule 10b5-1 sales over the past three months, including a sale of 28,935 shares for $580,506.12 on June 25, 2026, along with several smaller transactions.

Key Figures

Shares to be sold: 16,589 shares Aggregate market value: $385,030.69 Shares outstanding: 103,781,683 shares +3 more

6 metrics

Shares to be sold 16,589 shares Planned NRIX common stock sale by Christine Ring

Aggregate market value $385,030.69 Market value of 16,589 NRIX shares planned for sale

Shares outstanding 103,781,683 shares NRIX common shares outstanding as referenced in the notice

Shares from stock option exercise 5,787 shares Acquired via exercise of stock options on 08/03/2026

Shares from RSUs 10,802 shares Acquired from restricted stock units on 07/30/2025

Largest recent 10b5-1 sale 28,935 shares for $580,506.12 Sale on 06/25/2026 under 10b5-1 plan

Key Terms

Form 144, 10b5-1 Sales, Restricted Stock Units, Exercise of Stock Options

4 terms

Form 144 regulatory

"144: 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.

10b5-1 Sales regulatory

"10b5-1 Sales for CHRISTINE RING 1600 Sierra Point Parkway"

10b5-1 sales are pre-arranged stock-trading plans that let company insiders automatically buy or sell shares according to a fixed schedule or formula, even if they later learn confidential information. Think of it as setting up an automatic thermostat for trades: it creates a clear, documented path that can protect insiders from insider-trading accusations and gives investors a signal about predictable insider activity—though it can also simply be a way for insiders to diversify or raise cash.

Restricted Stock Units financial

"Common | 07/30/2025 | Restricted Stock Units | Issuer"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Exercise of Stock Options financial

"Common | 08/03/2026 | Exercise of Stock Options | Issuer"

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

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Available on EDGAR 08/03/2026 - 04:39 PM Accepted by SEC EDGAR 08/03/2026 - 04:38 PM Learn about SEC filing dates

FAQ

What does the NRIX Form 144 filing disclose about planned share sales?

The filing discloses that Christine Ring plans to sell up to 16,589 NRIX common shares, valued at $385,030.69, through Morgan Stanley Smith Barney LLC on or after August 3, 2026 on NASDAQ.

How many NRIX shares are outstanding according to this Form 144?

The document states that 103,781,683 NRIX common shares are outstanding. This figure provides context for the planned 16,589-share sale, indicating it is small relative to the total share count.

What is the source of the NRIX shares that may be sold by Christine Ring?

The potential sale covers 5,787 shares from an exercise of stock options on August 3, 2026 for cash and 10,802 shares from restricted stock units vesting on July 30, 2025.

What recent NRIX stock sales under a Rule 10b5-1 plan are reported?

The filing lists several Rule 10b5-1 sales by Christine Ring in the past three months, including 28,935 shares sold for $580,506.12 on June 25, 2026, plus smaller trades on May 4, June 2, and July 2, 2026.

Who is the broker for the planned NRIX share sale in this Form 144?

The planned sale of up to 16,589 NRIX shares will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, based at 1 New York Plaza, with trading expected on NASDAQ.

What is the aggregate market value of the NRIX shares registered for sale?

The aggregate market value of the 16,589 NRIX common shares covered by this notice is $385,030.69. This amount reflects the market value associated with the planned sale disclosed by insider Christine Ring.

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
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	16589	385030.69	103781683	08/03/2026	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 *
Common	08/03/2026	Exercise of Stock Options	Issuer			5787	08/03/2026	Cash
Common	07/30/2025	Restricted Stock Units	Issuer			10802	07/30/2025	N/A

* 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
10b5-1 Sales for CHRISTINE RING 1600 Sierra Point Parkway Brisbane CA 94005	Common	07/02/2026	5221	123016.16
10b5-1 Sales for CHRISTINE RING 1600 Sierra Point Parkway Brisbane CA 94005	Common	07/02/2026	5787	136349.82
10b5-1 Sales for CHRISTINE RING 1600 Sierra Point Parkway Brisbane CA 94005	Common	06/25/2026	28935	580506.12
10b5-1 Sales for CHRISTINE RING 1600 Sierra Point Parkway Brisbane CA 94005	Common	06/02/2026	8148	135252.73
10b5-1 Sales for CHRISTINE RING 1600 Sierra Point Parkway Brisbane CA 94005	Common	05/04/2026	3368	57118.25
10b5-1 Sales for CHRISTINE RING 1600 Sierra Point Parkway Brisbane CA 94005	Common	05/04/2026	4780	81091.74

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)