RABINOWITZ MATTHEW

PrivateCIK: 1646382
Location

AUSTIN, TX

RABINOWITZ MATTHEW (EXECUTIVE CHAIRMAN) sold 8.0% of their position (200K shares) of NATERA, INC. on the open market

Open‑market sale worth $38.28M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 23 sales
InsiderRABINOWITZ MATTHEWCIK 1646382
IssuerNATERA, INC.CIK 1604821
DirectorOfficer· EXECUTIVE CHAIRMAN
Since Feb 2026
-200K
Net shares
Net seller
$38.28M
Total sold
23
Open market trades
0B · 23S
29
Total transactions
200K acquired · 400K disposed
Non-Derivative Transactions26

Common Stock

Direct
M · Option Exercise

Shares

+75K

Price / share

$9.59

Trade value

$719.25K

% of position

3.2%
3/12/2026
2.31M2.39M

Common Stock

Direct
S · Sale

Shares

8.09K

Price / share

$186.75

Trade value

$1.51M

% of position

0.3%
3/12/2026
2.39M2.38M

Common Stock

Direct
S · Sale

Shares

5.81K

Price / share

$187.52

Trade value

$1.09M

% of position

0.2%
3/12/2026
2.38M2.37M

Common Stock

Direct
S · Sale

Shares

6.45K

Price / share

$188.52

Trade value

$1.22M

% of position

0.3%
3/12/2026
2.37M2.37M

Common Stock

Direct
S · Sale

Shares

2.89K

Price / share

$189.64

Trade value

$547.31K

% of position

0.1%
3/12/2026
2.37M2.36M

Common Stock

Direct
S · Sale

Shares

22.06K

Price / share

$190.53

Trade value

$4.20M

% of position

0.9%
3/12/2026
2.36M2.34M

Common Stock

Direct
S · Sale

Shares

9.90K

Price / share

$191.55

Trade value

$1.90M

% of position

0.4%
3/12/2026
2.34M2.33M

Common Stock

Direct
S · Sale

Shares

8.58K

Price / share

$192.79

Trade value

$1.65M

% of position

0.4%
3/12/2026
2.33M2.32M

Common Stock

Direct
S · Sale

Shares

7.04K

Price / share

$193.58

Trade value

$1.36M

% of position

0.3%
3/12/2026
2.32M2.31M

Common Stock

Direct
S · Sale

Shares

4.08K

Price / share

$194.57

Trade value

$794.22K

% of position

0.2%
3/12/2026
2.31M2.31M

Common Stock

Direct
S · Sale

Shares

100.00

Price / share

$195.32

Trade value

$19.53K

% of position

0.0%
3/12/2026
2.31M2.31M

Common Stock

Direct
M · Option Exercise

Shares

+75K

Price / share

$9.59

Trade value

$719.25K

% of position

3.2%
3/13/2026
2.31M2.39M

Common Stock

Direct
S · Sale

Shares

17.04K

Price / share

$187.63

Trade value

$3.20M

% of position

0.7%
3/13/2026
2.39M2.37M

Common Stock

Direct
S · Sale

Shares

21.48K

Price / share

$188.54

Trade value

$4.05M

% of position

0.9%
3/13/2026
2.37M2.35M

Common Stock

Direct
S · Sale

Shares

21.50K

Price / share

$189.50

Trade value

$4.08M

% of position

0.9%
3/13/2026
2.35M2.33M

Common Stock

Direct
S · Sale

Shares

13.88K

Price / share

$190.46

Trade value

$2.64M

% of position

0.6%
3/13/2026
2.33M2.31M

Common Stock

Direct
S · Sale

Shares

1.10K

Price / share

$191.22

Trade value

$210.34K

% of position

0.0%
3/13/2026
2.31M2.31M

Common Stock

Direct
M · Option Exercise

Shares

+50K

Price / share

$9.59

Trade value

$479.50K

% of position

2.2%
3/16/2026
2.31M2.36M

Common Stock

Direct
S · Sale

Shares

100.00

Price / share

$190.07

Trade value

$19.01K

% of position

0.0%
3/16/2026
2.36M2.36M

Common Stock

Direct
S · Sale

Shares

300.00

Price / share

$190.68

Trade value

$57.20K

% of position

0.0%
3/16/2026
2.36M2.36M

Common Stock

Direct
S · Sale

Shares

900.00

Price / share

$192.43

Trade value

$173.19K

% of position

0.0%
3/16/2026
2.36M2.36M

Common Stock

Direct
S · Sale

Shares

2.30K

Price / share

$194.17

Trade value

$446.59K

% of position

0.1%
3/16/2026
2.36M2.36M

Common Stock

Direct
S · Sale

Shares

4.88K

Price / share

$195.42

Trade value

$952.70K

% of position

0.2%
3/16/2026
2.36M2.35M

Common Stock

Direct
S · Sale

Shares

24.81K

Price / share

$196.23

Trade value

$4.87M

% of position

1.1%
3/16/2026
2.35M2.33M

Common Stock

Direct
S · Sale

Shares

16.46K

Price / share

$197.22

Trade value

$3.25M

% of position

0.7%
3/16/2026
2.33M2.31M

Common Stock

Direct
S · Sale

Shares

254.00

Price / share

$198.02

Trade value

$50.30K

% of position

0.0%
3/16/2026
2.31M2.31M
Total

Net shares

+0.00

Net value

-$36.37M

Derivative Transactions3

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

75K shares

Shares

75K

Strike price

9.59

Held after

225K

Exercisable

3/12/2026

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

75K shares

Shares

75K

Strike price

9.59

Held after

150K

Exercisable

3/13/2026

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

50K shares

Shares

50K

Strike price

9.59

Held after

100K

Exercisable

3/16/2026
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned5K
Total
5K indirect5K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
RABINOWITZ MATTHEW — Insider Transaction (Form 4) Filed Mar 16, 2026 | Finecho