[144] Natera, Inc. SEC Filing

Rhea-AI Filing Summary

Natera, Inc. (NTRA) Form 144 notice reports a proposed sale of 14,473 common shares through Morgan Stanley Smith Barney on 09/18/2025 with an aggregate market value of $2,538,998.39. The filer acquired these shares on 08/08/2024 by exercising stock options and paid cash for the 14,473 shares. The filing shows recent sales by related parties: 5,000 shares sold on 09/12/2025 for $852,707.35 and 1,718 shares sold on 07/28/2025 for $240,190.66. Outstanding shares are listed as 137,248,106, which provides context for the relative size of the proposed sale.

Positive

• Clear disclosure of acquisition method: shares were acquired via previously exercised stock options on 08/08/2024.
• Broker and timing specified: proposed sale through Morgan Stanley Smith Barney on 09/18/2025, supporting market transparency.
• Payment method disclosed as cash, and recent related-party sales are itemized, aiding compliance with Rule 144 reporting.

Negative

• Insider sale of 14,473 shares (aggregate market value $2,538,998.39) could be perceived negatively by some investors.
• Related-party sales totaling 6,718 shares in the past three months are reported, which may attract investor attention.

Insights

Securities Analyst

TL;DR: Routine Form 144 filing disclosing a planned sale of 14,473 shares acquired via option exercise; appears to be a scheduled insider disposition.

The notice documents a planned sale executed through a broker with full disclosure of acquisition method (previously exercised options) and payment in cash, which supports compliance with Rule 144 requirements. The position size (14,473 shares, ~$2.54M) is small relative to the total outstanding shares (137,248,106), suggesting limited direct impact on share supply. Recent related-party sales totaling 6,718 shares in the past three months are disclosed, providing continuity in insider transactions. Overall, this is a standard insider sale disclosure rather than a material corporate development.

Compliance/Risk Analyst

TL;DR: Filing appears procedurally complete for Rule 144 notice; acquisition and payment details are provided, aiding regulatory transparency.

The form identifies the acquisition date, nature of acquisition (option exercise), payment method, broker details, and recent sales by associated parties, which are key compliance elements. The signer represents no undisclosed material adverse information, as required. From a compliance perspective this reduces procedural risk; there is no indication in the filing of securities purchased by noncash consideration or of failed disclosures. No material regulatory concerns are evident in the text provided.

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

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	14473	2538998.39	137248106	09/18/2025	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	08/08/2024	Previously Exercised Stock Options	Issuer			14473	08/08/2024	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
TINKERBELLE II TR U/A DTD 10/22/2021 13011 McCallen Pass Building A Suite 100 Austin TX 78753	Common	09/12/2025	5000	852707.35
MATTHEW RABINOWITZ 13011 McCallen Pass Building A Suite 100 Austin TX 78753	Common	07/28/2025	1718	240190.66

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 NTRA Form 144 disclose about the proposed sale?

The form discloses a proposed sale of 14,473 common shares through Morgan Stanley Smith Barney on 09/18/2025 with an aggregate market value of $2,538,998.39.

How were the shares being sold acquired according to the filing?

The shares were acquired on 08/08/2024 through previously exercised stock options, with payment made in cash.

Have related sales by the filer or related parties occurred recently for NTRA?

Yes. The filing lists sales of 5,000 shares on 09/12/2025 for $852,707.35 and 1,718 shares on 07/28/2025 for $240,190.66.

What broker is handling the proposed NTRA sale?

The proposed sale is to be handled by Morgan Stanley Smith Barney LLC, 1 New York Plaza, 8th Floor, New York, NY 10004.

How large is the proposed sale compared with Natera's outstanding shares?

The proposed 14,473 shares compare to 137,248,106 shares outstanding as listed in the filing, indicating a small percentage of total shares outstanding.