RABINOWITZ MATTHEW (EXECUTIVE CHAIRMAN) sold 2.3% of their position (50K shares) of NATERA, INC. on the open market

Open‑market sale worth $20.13M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 19 sales

RABINOWITZ MATTHEW

Filed: 10/17/2026ACC: 0001646382-26-000023

InsiderRABINOWITZ MATTHEWCIK 1646382

→

IssuerNATERA, INC.CIK 1604821

DirectorOfficer· EXECUTIVE CHAIRMAN

Since Feb 2026

-50K

Net shares

Net seller

$20.13M

Total sold

Open market trades

0B · 19S

Total transactions

50K acquired · 100K disposed

Non-Derivative Transactions20

Common Stock

Direct

M · Option Exercise

+50K

Price / share

$10.41

Trade value

$520.50K

% of position

2.4%

10/15/2026

2.12M→2.17M

Common Stock

Direct

S · Sale

−286.00

Price / share

$388.32

Trade value

$111.06K

% of position

0.0%

10/15/2026

2.17M→2.17M

Common Stock

Direct

S · Sale

−714.00

Price / share

$389.84

Trade value

$278.35K

% of position

0.0%

10/15/2026

2.17M→2.17M

Common Stock

Direct

S · Sale

−600.00

Price / share

$390.21

Trade value

$234.12K

% of position

0.0%

10/15/2026

2.17M→2.17M

Common Stock

Direct

S · Sale

−300.00

Price / share

$391.58

Trade value

$117.47K

% of position

0.0%

10/15/2026

2.17M→2.17M

Common Stock

Direct

S · Sale

−800.00

Price / share

$393.47

Trade value

$314.78K

% of position

0.0%

10/15/2026

2.17M→2.17M

Common Stock

Direct

S · Sale

−300.00

Price / share

$394.39

Trade value

$118.32K

% of position

0.0%

10/15/2026

2.17M→2.17M

Common Stock

Direct

S · Sale

−1.90K

Price / share

$396.30

Trade value

$752.98K

% of position

0.1%

10/15/2026

2.17M→2.16M

Common Stock

Direct

S · Sale

−1.10K

Price / share

$397.16

Trade value

$436.88K

% of position

0.1%

10/15/2026

2.16M→2.16M

Common Stock

Direct

S · Sale

−600.00

Price / share

$398.09

Trade value

$238.85K

% of position

0.0%

10/15/2026

2.16M→2.16M

Common Stock

Direct

S · Sale

−793.00

Price / share

$399.31

Trade value

$316.66K

% of position

0.0%

10/15/2026

2.16M→2.16M

Common Stock

Direct

S · Sale

−2.67K

Price / share

$400.31

Trade value

$1.07M

% of position

0.1%

10/15/2026

2.16M→2.16M

Common Stock

Direct

S · Sale

−5.97K

Price / share

$401.42

Trade value

$2.40M

% of position

0.3%

10/15/2026

2.16M→2.15M

Common Stock

Direct

S · Sale

−6.31K

Price / share

$402.23

Trade value

$2.54M

% of position

0.3%

10/15/2026

2.15M→2.15M

Common Stock

Direct

S · Sale

−3.86K

Price / share

$403.27

Trade value

$1.56M

% of position

0.2%

10/15/2026

2.15M→2.14M

Common Stock

Direct

S · Sale

−10.32K

Price / share

$404.64

Trade value

$4.18M

% of position

0.5%

10/15/2026

2.14M→2.13M

Common Stock

Direct

S · Sale

−6.27K

Price / share

$405.18

Trade value

$2.54M

% of position

0.3%

10/15/2026

2.13M→2.13M

Common Stock

Direct

S · Sale

−1.40K

Price / share

$406.63

Trade value

$569.28K

% of position

0.1%

10/15/2026

2.13M→2.13M

Common Stock

Direct

S · Sale

−3.80K

Price / share

$407.27

Trade value

$1.55M

% of position

0.2%

10/15/2026

2.13M→2.12M

Common Stock

Direct

S · Sale

−2K

Price / share

$408.24

Trade value

$816.47K

% of position

0.1%

10/15/2026

2.12M→2.12M

Total

Net shares

+0.00

Net value

-$19.61M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	10/15/2026	M · Option Exercise	+50K	$10.41	$520.50K	2.4%	2.12M	2.17M
Common Stock Direct	10/15/2026	S · Sale	−286.00	$388.32	$111.06K	0.0%	2.17M	2.17M
Common Stock Direct	10/15/2026	S · Sale	−714.00	$389.84	$278.35K	0.0%	2.17M	2.17M
Common Stock Direct	10/15/2026	S · Sale	−600.00	$390.21	$234.12K	0.0%	2.17M	2.17M
Common Stock Direct	10/15/2026	S · Sale	−300.00	$391.58	$117.47K	0.0%	2.17M	2.17M
Common Stock Direct	10/15/2026	S · Sale	−800.00	$393.47	$314.78K	0.0%	2.17M	2.17M
Common Stock Direct	10/15/2026	S · Sale	−300.00	$394.39	$118.32K	0.0%	2.17M	2.17M
Common Stock Direct	10/15/2026	S · Sale	−1.90K	$396.30	$752.98K	0.1%	2.17M	2.16M
Common Stock Direct	10/15/2026	S · Sale	−1.10K	$397.16	$436.88K	0.1%	2.16M	2.16M
Common Stock Direct	10/15/2026	S · Sale	−600.00	$398.09	$238.85K	0.0%	2.16M	2.16M
Common Stock Direct	10/15/2026	S · Sale	−793.00	$399.31	$316.66K	0.0%	2.16M	2.16M
Common Stock Direct	10/15/2026	S · Sale	−2.67K	$400.31	$1.07M	0.1%	2.16M	2.16M
Common Stock Direct	10/15/2026	S · Sale	−5.97K	$401.42	$2.40M	0.3%	2.16M	2.15M
Common Stock Direct	10/15/2026	S · Sale	−6.31K	$402.23	$2.54M	0.3%	2.15M	2.15M
Common Stock Direct	10/15/2026	S · Sale	−3.86K	$403.27	$1.56M	0.2%	2.15M	2.14M
Common Stock Direct	10/15/2026	S · Sale	−10.32K	$404.64	$4.18M	0.5%	2.14M	2.13M
Common Stock Direct	10/15/2026	S · Sale	−6.27K	$405.18	$2.54M	0.3%	2.13M	2.13M
Common Stock Direct	10/15/2026	S · Sale	−1.40K	$406.63	$569.28K	0.1%	2.13M	2.13M
Common Stock Direct	10/15/2026	S · Sale	−3.80K	$407.27	$1.55M	0.2%	2.13M	2.12M
Common Stock Direct	10/15/2026	S · Sale	−2K	$408.24	$816.47K	0.1%	2.12M	2.12M
Total			+0.00		-$19.61M

Derivative Transactions1

Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Stock

50K shares

−50K

Strike price

10.41

Held after

0.00

Exercisable

—

10/15/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (right to buy) Direct	Common Stock50K shares	10/15/2026	M · Option Exercise	−50K	10.41	—	0.00