Planned 28,779-share CDNA (NASDAQ: CDNA) sale follows earlier 10b5-1 trade

Rhea-AI Filing Summary

CDNA stockholder Hannah Valantine has filed a Form 144 notice covering the proposed sale of 28,779 shares of common stock, associated with a value of $856,175.25, to be sold through Morgan Stanley Smith Barney on NASDAQ on or after 07/16/2026. The shares are linked to an Exercise of Stock Options. Over the prior three months, she sold 12,103 common shares on 06/15/2026, described as 10b5-1 Sales, with a stated value of $279,728.17.

Key Figures

Shares proposed for sale: 28,779 shares Stated value of proposed sale: $856,175.25 Prior 3-month shares sold: 12,103 shares +2 more

5 metrics

Shares proposed for sale 28,779 shares Common stock listed in the Form 144 securities information for sale on or after 07/16/2026

Stated value of proposed sale $856,175.25 Value associated with 28,779 common shares in the Form 144 securities information

Prior 3-month shares sold 12,103 shares Common shares sold on 06/15/2026 described as 10b5-1 Sales

Stated value of prior 3-month sales $279,728.17 Value associated with 12,103 common shares sold on 06/15/2026 as 10b5-1 Sales

Proposed sale date 07/16/2026 Date tied to the planned sale and the Exercise of Stock Options for 28,779 shares

Key Terms

Securities Information, Securities To Be Sold, Securities Sold During The Past 3 Months, Exercise of Stock Options, +1 more

5 terms

Securities Information regulatory

"144: Securities Information"

Securities To Be Sold regulatory

"144: Securities To Be Sold"

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

Exercise of Stock Options financial

"Common | 07/16/2026 | Exercise of Stock Options | Issuer"

10b5-1 Sales financial

"10b5-1 Sales for HANNAH VALANTINE 8000 Marina Boulevard"

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.

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

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Available on EDGAR 07/16/2026 - 04:34 PM Accepted by SEC EDGAR 07/16/2026 - 04:33 PM Learn about SEC filing dates

FAQ

What stock sale is being proposed in CDNA's Form 144 filing?

The filing covers a proposed sale of 28,779 CDNA common shares with a stated value of $856,175.25. The sale is expected to occur on or after 07/16/2026 through Morgan Stanley Smith Barney on NASDAQ.

How many CDNA shares did Hannah Valantine sell in the past 3 months?

Over the prior three months, Hannah Valantine sold 12,103 CDNA common shares. These sales occurred on 06/15/2026 and are identified as 10b5-1 Sales, with a stated aggregate value of $279,728.17.

What is the value of the CDNA shares planned for sale under Form 144?

The proposed Form 144 transaction covers 28,779 CDNA common shares linked to a total stated value of $856,175.25. This figure represents the value associated with the shares listed under the Form 144 securities information section.

How were the CDNA shares in the planned Form 144 sale acquired?

The common shares in the planned sale are tied to an Exercise of Stock Options dated 07/16/2026. The Form 144 securities details describe the transaction type specifically as an exercise of stock options involving the 28,779 shares.

On which exchange are the CDNA shares in the Form 144 filing to be sold?

The proposed sale of 28,779 CDNA common shares is indicated for trading on NASDAQ. This exchange designation appears alongside the securities information for the planned Form 144 sale executed through Morgan Stanley Smith Barney.

What does "10b5-1 Sales" mean in CDNA’s recent share activity?

The past transaction section lists 10b5-1 Sales for Hannah Valantine involving 12,103 CDNA common shares on 06/15/2026. The filing labels these prior sales with that term and notes a stated value of $279,728.17.

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	28779	856175.25	51659481	07/16/2026	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	07/16/2026	Exercise of Stock Options	Issuer			28779	07/16/2026	Cash

* 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 HANNAH VALANTINE 8000 Marina Boulevard, 4th Floor Brisbane CA 94005	Common	06/15/2026	12103	279728.17

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)