Natera insider plans $332k stock sale after $2M prior disposals

Rhea-AI Filing Summary

Natera, Inc. (NTRA) filed a Form 144 indicating that insider Gail Marcus intends to sell up to 2,496 common shares through Merrill Lynch on or after 1 Aug 2025. The proposed sale is valued at $332,394.72, based on the market price at the time of filing. Natera has 136.55 million shares outstanding, so the planned sale equals <0.01 % of the float.

The shares were acquired via equity-compensation grants on 9 Jun 2024 (2,374 sh) and 26 Jul 2024 (122 sh). Marcus has already sold 12,299 shares over the past three months, generating gross proceeds of ≈$1.98 million (4,000 sh on 1 May 2025, 4,000 sh on 10 Jun 2025, 4,299 sh on 1 Jul 2025).

While the filing signals continued insider selling, the absolute volume remains immaterial relative to total shares and does not, by itself, imply a change in the company’s fundamentals.

Positive

• None.

Negative

• Continued insider selling may be interpreted as a modest sentiment headwind, though size is immaterial.

Insights

Financial Analyst

TL;DR: Small insider sale (2,496 sh) follows prior 12,299 sh sold; percentage of float negligible, so market impact likely muted.

The Form 144 reveals incremental selling by Gail Marcus, adding to roughly $2 million of prior sales this quarter. Even when combined, her disposals amount to <0.02 % of Natera’s 136.5 million outstanding shares—well below typical insider-signal thresholds. The shares were acquired via routine equity compensation, suggesting profit-taking rather than a strategic exit. No adverse operational information is disclosed. Given the minimal size and absence of other catalysts, I view this filing as neutral for valuation and liquidity.

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	MERRILL LYNCH 301 TRESSER BLVD., 10TH FLOOR STAMFORD CT 06901	2496	332394.72	136546580	08/01/2025	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	06/09/2024	EQUITY COMPENSATION	NATERA			2374	06/09/2024	EQUITY COMPENSATION
COMMON	07/26/2024	EQUITY COMPENSATION	NATERA			122	07/26/2024	EQUITY 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
GAIL MARCUS 13011 MCCALLEN PASS BUILDING A SUITE 100 AUSTIN TX 78753	COMMON	05/01/2025	4000	606432.70
GAIL MARCUS 13011 MCCALLEN PASS BUILDING A SUITE 100 AUSTIN TX 78753	COMMON	06/10/2025	4000	657761.00
GAIL MARCUS 13011 MCCALLEN PASS BUILDING A SUITE 100 AUSTIN TX 78753	COMMON	07/01/2025	4299	719490.79

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

How many NTRA shares does Gail Marcus plan to sell under this Form 144?

2,496 common shares are slated for sale.

What is the expected market value of the proposed sale?

The filing lists an aggregate value of $332,394.72.

When can the shares be sold?

The approximate sale date disclosed is August 1, 2025.

How many Natera shares has the filer sold in the last three months?

Marcus sold 12,299 shares between May and July 2025, grossing about $1.98 million.

What proportion of Natera’s outstanding shares does this sale represent?

The 2,496 shares equal <0.01 % of the 136.55 million shares outstanding.