Notice of Proposed Sale · 144

Natera, Inc.

NTRANASDAQEQUITYCurrent

Notice of Proposed Sale

Filed Oct 1, 2026Accepted Oct 1, 2026, 4:24 PM EDTFiling CIK 1711968Accession 0001950047-26-009948

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Structured filing — 144

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer: NATERA, INC.
Issuer CIK: 0001604821
SEC file number: 001-37478
Phone: 650-249-9090
Person for whose account securities are to be sold: STEVEN L CHAPMAN
Relationships to issuer: Officer · Director
Street: 13011 MCCALLEN PASS
Street (continued): BUILDING A SUITE 100
City: AUSTIN
State / country code: TX
Postal code: 78753

Securities proposed for sale

Securities proposed for sale · 1 reported row
Security	Proposed units	Aggregate market value	Units outstanding	Approximate sale date	Exchange	Broker / market maker
Common	1,273	526,143.63	144,144,170	10/01/2026	NASDAQ	Morgan Stanley Smith Barney LLC Executive Financial Services

Broker / market maker — proposed row 1, entry 1

Name: Morgan Stanley Smith Barney LLC Executive Financial Services
Street: 1 New York Plaza
Street (continued): 8th Floor
City: New York
State / country code: NY
Postal code: 10004

Acquisition of securities to be sold

Acquisition of securities to be sold · 3 reported rows
Security	Acquired	Nature of acquisition	Acquired from	Amount acquired	Gift transaction	Payment date	Nature of payment
Common	07/27/2026	Restricted Stock	Issuer	615	N	07/27/2026	Not Applicable
Common	07/26/2026	Restricted Stock	Issuer	450	N	07/26/2026	Not Applicable
Common	07/31/2026	Restricted Stock	Issuer	208	N	07/31/2026	Not Applicable

Sales reported in the preceding three months

Sales reported in the preceding three months · 5 reported rows
Seller	Security	Sale date	Amount sold	Gross proceeds
STEVEN L CHAPMAN	Common	09/01/2026	1,698	545,041.02
STEVEN L CHAPMAN	Common	08/03/2026	1,894	502,667.60
STEVEN L CHAPMAN	Common	08/03/2026	1,182	316,763.35
STEVEN L CHAPMAN	Common	07/28/2026	3,580	909,571.97
STEVEN L CHAPMAN	Common	07/27/2026	2,190	570,474.85

Seller — prior-sale row 1, entry 1

Name: STEVEN L CHAPMAN
Street: 13011 McCallen Pass
Street (continued): Building A Suite 100
City: Austin
State / country code: TX
Postal code: 78753

Seller — prior-sale row 2, entry 1

Name: STEVEN L CHAPMAN
Street: 13011 McCallen Pass
Street (continued): Building A Suite 100
City: Austin
State / country code: TX
Postal code: 78753

Seller — prior-sale row 3, entry 1

Name: STEVEN L CHAPMAN
Street: 13011 McCallen Pass
Street (continued): Building A Suite 100
City: Austin
State / country code: TX
Postal code: 78753

Seller — prior-sale row 4, entry 1

Name: STEVEN L CHAPMAN
Street: 13011 McCallen Pass
Street (continued): Building A Suite 100
City: Austin
State / country code: TX
Postal code: 78753

Seller — prior-sale row 5, entry 1

Name: STEVEN L CHAPMAN
Street: 13011 McCallen Pass
Street (continued): Building A Suite 100
City: Austin
State / country code: TX
Postal code: 78753

Prior-sale reporting

Nothing to report for the preceding three months: N

Notice signature

Notice date: 10/01/2026
Signed: /s/ Steven Leonard Chapman
Plan adoption dates: 03/05/2026

Company context

Natera™ is a global leader in cell-free DNA and precision medicine, dedicated to oncology, women’s health, and organ health. We aim to make personalized genetic testing and diagnostics part of the standard-of-care to protect health and inform earlier, more targeted interventions that help lead to longer, healthier lives. Natera’s tests are supported by more than 400 peer-reviewed publications that demonstrate excellent performance. Natera operates ISO 13485-certified and CAP-accredited laboratories certified under the Clinical Laboratory Improvement Amendments (CLIA) in Austin, Texas, and San Carlos, California, and through Foresight Diagnostics, its subsidiary, operates an ISO 27001-certified and CAP-accredited laboratory certified under CLIA in Boulder, Colorado. For more information, visit www.natera.com.

Current securities

NTRANASDAQ · EQUITY · Current

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