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Natera (NTRA) executive chair sells 731 shares under Rule 10b5-1(c) plan

(Moderate)
(Negative)
Form Type
4

Rhea-AI Filing Summary

Natera, Inc. reports that Executive Chairman Matthew Rabinowitz sold 731 shares of common stock on 2026-08-03 at $267.9893 per share. The sale was effected to cover tax withholding and remittance obligations from RSU vesting under a Rule 10b5-1(c) instruction. After the transaction he holds 2,275,394 shares directly and 4,000 shares indirectly through his spouse.

Positive

  • None.

Negative

  • None.
Insider Rabinowitz Matthew
Role EXECUTIVE CHAIRMAN
Sold 731 shs ($196K)
Type Security Shares Price Value
Sale Common Stock F1 731 $267.9893 $196K
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 2,275,394 shares (Direct); Common Stock — 4,000 shares (Indirect, By spouse)
Footnotes (1)
  1. F1. The sale of shares was effected in order to satisfy tax withholding and remittance obligations in connection with the vesting of RSUs and was made pursuant to a written instruction that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act contained in the Reporting Person's Stock Unit Agreement granted on January 31, 2025.
Shares sold 731 shares of Common Stock Open-market or private sale on 2026-08-03 by Matthew Rabinowitz
Sale price per share $267.9893 Per-share price for 731 shares sold on 2026-08-03
Direct holdings after sale 2,275,394 shares Common stock held directly by Matthew Rabinowitz after the transaction
Indirect holdings after sale 4,000 shares Common stock held indirectly by spouse as reported on the Form 4
Net shares sold 731 shares Net sell direction across reported non-derivative transactions
Rule 10b5-1(c) regulatory
"intended to satisfy the affirmative defense conditions of Rule 10b5-1(c)"
Rule 10b5-1(c) is an SEC guideline that lets company insiders set up a written, pre-planned schedule to buy or sell their company stock when they are not in possession of material, nonpublic information. For investors, it matters because such plans can reduce the appearance of insider trading by separating decisions from inside knowledge—like putting your trades on autopilot—while also requiring scrutiny since pre-planned trades can still affect market confidence and share value.
tax withholding and remittance obligations financial
"to satisfy tax withholding and remittance obligations in connection with the vesting"
RSUs financial
"in connection with the vesting of RSUs and was made pursuant to a written instruction"
RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.
Stock Unit Agreement financial
"contained in the Reporting Person's Stock Unit Agreement granted on January 31, 2025"

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FAQ

What stock sale did Natera (NTRA) report for Matthew Rabinowitz?

Matthew Rabinowitz, Natera’s executive chairman, sold 731 shares of common stock on 2026-08-03 at $267.9893 per share. The sale covered tax withholding on vested RSUs and left him with 2,275,394 direct shares plus 4,000 indirect shares held by his spouse.

Why did Matthew Rabinowitz sell 731 Natera (NTRA) shares?

The sale of 731 shares was made to satisfy tax withholding and remittance obligations arising from the vesting of RSUs. A written instruction in his January 31, 2025 Stock Unit Agreement governed the trade under Rule 10b5-1(c) affirmative defense conditions.

How many Natera (NTRA) shares does Matthew Rabinowitz hold after this transaction?

After the reported sale, Matthew Rabinowitz holds 2,275,394 Natera common shares directly. In addition, a separate holding line reports 4,000 shares held indirectly by his spouse, giving insight into both his direct and family-related ownership positions.

Were Matthew Rabinowitz’s Natera (NTRA) trades made under a Rule 10b5-1 plan?

Yes. The filing’s Rule 10b5-1 checkbox is marked and a footnote states the sale was made pursuant to a written instruction intended to satisfy Rule 10b5-1(c) affirmative defense conditions contained in his January 31, 2025 Stock Unit Agreement.

What indirect Natera (NTRA) holdings are reported for Matthew Rabinowitz?

Besides his direct position, the Form 4 lists 4,000 Natera common shares held indirectly by his spouse. This indirect ownership is disclosed separately from his 2,275,394 directly held shares, clarifying the structure of his overall reported beneficial interest.

Does this Natera (NTRA) Form 4 show any option exercises or derivative trades?

No option exercises or derivative transactions are reported in this Form 4. The activity consists of a single sale of 731 common shares to cover RSU-related tax obligations, plus a separate line showing 4,000 shares held indirectly by his spouse as a standing holding.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Rabinowitz Matthew

(Last)(First)(Middle)
C/O NATERA, INC.
13011 MCCALLEN PASS BUILDING A SUITE 100

(Street)
AUSTIN TEXAS 78753

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Natera, Inc. [ NTRA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
EXECUTIVE CHAIRMAN
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/03/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock08/03/2026S731(1)D$267.98932,275,394D
Common Stock4,000IBy spouse
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The sale of shares was effected in order to satisfy tax withholding and remittance obligations in connection with the vesting of RSUs and was made pursuant to a written instruction that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act contained in the Reporting Person's Stock Unit Agreement granted on January 31, 2025.
/s/ Tami Chen, Attorney-in-Fact08/05/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)