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Praxis Precision Medicines, Inc.

PRAX Net selling

CIK 0001689548 #930 in the set updated 17 Sep 2026

Bought (12 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$44.27M

$0.00 on a plan · $11.08M straight out of an exercise

Sold at will

$33.20M

10 of 28 sales

Net

−$44.27M

−$33.20M against sales at will

By person

14 insiders · 31 transactions

27.0×

Marcio Souza holds 27.0 times base salary in stock. $17.84M of shares against $659.20K in salary for 2025.

Salary from the company's own proxy. The shares are what Marcio Souza last reported holding, valued at $315.71, the price Common Stock was last bought or sold at on the open market here, on 24 Jun 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Adage Capital Management, L.P. entity

10% owner

—

$33.20M (10)

−$33.20M

2,060,175

7.38%

$650.41M

+18.0%

Nemiroff Alex

General Counsel and Secretary

—

$4.85M (4) scheduled

−$4.85M

26,011

0.0932%

$8.21M

+137.4%

DeSimone Jill

Director

—

$3.61M (12) scheduled

−$3.61M

2,337

0.0084%

$737.80K

+141.9%

Mastrocola Lauren

Principal Accounting Officer

—

$2.61M (2) scheduled

−$2.61M

13,573

0.0486%

$4.28M

+111.2%

Souza Marcio

Chief Executive Officer

—

56,495

0.2023%

$17.84M

+184.0%

Kelly Timothy Edwin

Chief Financial Officer

—

31,167

0.1116%

$9.84M

+156.7%

Sniecinski Megan

Chief Operating Officer

—

28,664

0.1027%

$9.05M

+37.0%

MITCHELL DEAN J

Director

—

18,622

0.0667%

$5.88M

+272.4%

YOUNG WILLIAM D

Director

—

3,269

0.0117%

$1.03M

+72.2%

Arbuckle Stuart A

Director

—

2,537

0.0091%

$800.94K

—

KINDLER JEFFREY B

Director

—

2,537

0.0091%

$800.94K

—

Norden Gregory

Director

—

1,559

0.0056%

$492.18K

+729.3%

Chodakewitz Jeffrey

Director

—

1,371

0.0049%

$432.83K

—

Cudkowicz Merit Ester

Director

—

1,371

0.0049%

$432.83K

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

837

$315.71

$264.25K

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

1,279

$314.90

$402.76K

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

504

$313.66

$158.09K

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

1,004

$312.83

$314.08K

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

2,854

$311.91

$890.20K

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

1,750

$310.89

$544.06K

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

999

$309.38

$309.07K

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

1,240

$308.24

$382.22K

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

683

$306.77

$209.52K

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

320

$305.31

$97.70K

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

120

$303.13

$36.38K

DeSimone Jill

24 Jun 2026

Director

Sold after exercise

$301.44

$3.01K

Mastrocola Lauren

20 Nov 2025

Principal Accounting Officer

Sold after exercise

2,145

$192.71

$413.37K

Mastrocola Lauren

20 Nov 2025

Principal Accounting Officer

Sold after exercise

11,455

$191.96

$2.20M

Nemiroff Alex

20 Nov 2025

General Counsel and Secretary

Sold after exercise

9,100

$194.30

$1.77M

Nemiroff Alex

20 Nov 2025

General Counsel and Secretary

Sold after exercise

977

$193.23

$188.79K

Nemiroff Alex

20 Nov 2025

General Counsel and Secretary

Sold after exercise

13,339

$192.53

$2.57M

Nemiroff Alex

20 Nov 2025

General Counsel and Secretary

Sold after exercise

1,714

$190.86

$327.14K

Show all 31 transactions →

Praxis Precision Medicines, Inc.

By person

Individual transactions

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