Natera (NTRA) insider Rabinowitz files Form 144 for 2,000-share sale

Rhea-AI Filing Summary

Natera, Inc. (NTRA) reports that Matthew Rabinowitz, through Morgan Stanley Smith Barney LLC Executive Financial Services, has filed to potentially sell 2,000 shares of Common Stock, valued at $641,800.00. The shares relate to a 03/20/2020 Gift from Affiliate and an acquisition date of 11/26/2003.

The filing also lists recent sales of Natera common stock over the past three months by Rabinowitz and an associated trust, including multiple large transactions in June and smaller sales in July and August 2026.

Key Figures

Planned shares to be sold: 2,000 shares Planned sale value: $641,800.00 Sale on 06/12/2026: 50,000 shares for $10,701,645.00 +4 more

7 metrics

Planned shares to be sold 2,000 shares Potential sale of Natera common stock under Form 144

Planned sale value $641,800.00 Approximate value of 2,000 Natera shares in the Form 144

Sale on 06/12/2026 50,000 shares for $10,701,645.00 Common stock sold by Matthew Rabinowitz

Sale on 06/15/2026 50,000 shares for $10,745,665.00 Common stock sold by Matthew Rabinowitz

Sale on 07/06/2026 1,000 shares for $280,000.00 Common stock sold by TINKERBELLE II TR U/A DTD 10/22/2021

Sale on 07/27/2026 1,718 shares for $447,523.19 Common stock sold by Matthew Rabinowitz

Sale on 08/03/2026 731 shares for $195,900.18 Common stock sold by Matthew Rabinowitz

Key Terms

Form 144, Gift from Affiliate, Executive Financial Services, TR U/A DTD

4 terms

Form 144 regulatory

"144: Securities To Be Sold"

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.

Gift from Affiliate financial

"Common | 03/20/2020 | Gift from Affiliate | Issuer"

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

TR U/A DTD financial

"TINKERBELLE II TR U/A DTD 10/22/2021 13011 McCallen Pass"

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Available on EDGAR 08/07/2026 - 05:43 PM Accepted by SEC EDGAR 08/07/2026 - 05:42 PM Learn about SEC filing dates

FAQ

What does the Form 144 filing by Natera (NTRA) insider Matthew Rabinowitz disclose?

It discloses a potential sale of 2,000 Natera common shares through Morgan Stanley Smith Barney LLC, valued at $641,800.00, linked to a 03/20/2020 Gift from Affiliate with an original acquisition date of 11/26/2003.

How many Natera (NTRA) shares are covered by the new Form 144 notice?

The notice covers a potential sale of 2,000 shares of Natera common stock, with an indicated value of $641,800.00. These shares are to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services on NASDAQ.

What recent Natera (NTRA) stock sales by Matthew Rabinowitz are listed in the Form 144?

The filing lists sales of 50,000 shares on 06/12/2026 for $10,701,645.00 and 50,000 shares on 06/15/2026 for $10,745,665.00, plus smaller sales on 07/27/2026 and 08/03/2026.

Which trust related to Natera (NTRA) sold shares in the past three months?

The TINKERBELLE II TR U/A DTD 10/22/2021 is listed as selling 1,000 Natera common shares on 07/06/2026 for $280,000.00. This appears alongside sales by Matthew Rabinowitz personally.

On which market are the Form 144 Natera (NTRA) shares planned to be sold?

The potential 2,000-share Natera sale is indicated for NASDAQ trading. The broker listed is Morgan Stanley Smith Barney LLC Executive Financial Services, with an approximate value of $641,800.00 for the planned shares.

What is the nature of the Natera (NTRA) shares’ acquisition referenced in the Form 144?

The shares covered by the notice are tied to a Gift from Affiliate dated 03/20/2020, with an original acquisition date of 11/26/2003. This indicates the securities were obtained via an affiliated-party gift, not a recent market purchase.

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	2000	641800.00	144144170	08/07/2026	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	03/20/2020	Gift from Affiliate	Issuer		11/26/2003	2000		NA

* 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
MATTHEW RABINOWITZ 13011 McCallen Pass Building A Suite 100 Austin TX 78753	Common	08/03/2026	731	195900.18
MATTHEW RABINOWITZ 13011 McCallen Pass Building A Suite 100 Austin TX 78753	Common	07/27/2026	1718	447523.19
TINKERBELLE II TR U/A DTD 10/22/2021 13011 McCallen Pass Building A Suite 100 Austin TX 78753	Common	07/06/2026	1000	280000.00
MATTHEW RABINOWITZ 13011 McCallen Pass Building A Suite 100 Austin TX 78753	Common	06/15/2026	50000	10745665.00
MATTHEW RABINOWITZ 13011 McCallen Pass Building A Suite 100 Austin TX 78753	Common	06/12/2026	50000	10701645.00

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)