MASTROCOLA LAUREN

PrivateCIK: 1827639

Location

CAMBRIDGE, MA

ARBUCKLE STUART A

→PRAXIS PRECISION MEDICINES, INC.

Jun 12, 2026·Jun 12, 2026

2 txn

CHODAKEWITZ JEFFREY

→PRAXIS PRECISION MEDICINES, INC.

Jun 12, 2026·Jun 12, 2026

2 txn

YOUNG WILLIAM D

→PRAXIS PRECISION MEDICINES, INC.

Jun 12, 2026·Jun 12, 2026

2 txn

MITCHELL DEAN J

→PRAXIS PRECISION MEDICINES, INC.

Jun 12, 2026·Jun 12, 2026

2 txn

KINDLER JEFFREY B

→PRAXIS PRECISION MEDICINES, INC.

Jun 12, 2026·Jun 12, 2026

2 txn

NORDEN GREGORY

→PRAXIS PRECISION MEDICINES, INC.

Jun 12, 2026·Jun 12, 2026

2 txn

MASTROCOLA LAUREN

→PRAXIS PRECISION MEDICINES, INC.

May 20, 2026·May 20, 2026

1 txn

MASTROCOLA LAUREN

→PRAXIS PRECISION MEDICINES, INC.

Jan 13, 2026·Jan 13, 2026

1 txn

SNIECINSKI MEGAN

→PRAXIS PRECISION MEDICINES, INC.

Jan 13, 2026·Jan 13, 2026

1 txn

MASTROCOLA LAUREN

→PRAXIS PRECISION MEDICINES, INC.

Jan 12, 2026·Jan 12, 2026

3 txn

SNIECINSKI MEGAN

→PRAXIS PRECISION MEDICINES, INC.

Jan 12, 2026·Jan 12, 2026

3 txn

SOUZA MARCIO

→PRAXIS PRECISION MEDICINES, INC.

Jan 12, 2026·Jan 12, 2026

4 txn

MASTROCOLA LAUREN

→PRAXIS PRECISION MEDICINES, INC.

Jan 9, 2026·Jan 9, 2026

1 txn

SOUZA MARCIO

→PRAXIS PRECISION MEDICINES, INC.

Jan 9, 2026·Jan 9, 2026

2 txn

SNIECINSKI MEGAN

→PRAXIS PRECISION MEDICINES, INC.

Jan 9, 2026·Jan 9, 2026

7 txn

SOUZA MARCIO

→PRAXIS PRECISION MEDICINES, INC.

Dec 31, 2025·Dec 31, 2025

2 txn

MASTROCOLA LAUREN

→PRAXIS PRECISION MEDICINES, INC.

Nov 21, 2025·Nov 21, 2025

16 txn

MASTROCOLA LAUREN

144

→PRAXIS PRECISION MEDICINES, INC.

Nov 20, 2025·Nov 20, 2025

YOUNG WILLIAM D

→PRAXIS PRECISION MEDICINES, INC.

Jun 27, 2025·Jun 27, 2025

1 txn

SOUZA MARCIO

→PRAXIS PRECISION MEDICINES, INC.

May 19, 2025·May 19, 2025

2 txn

MASTROCOLA LAUREN

→PRAXIS PRECISION MEDICINES, INC.

Feb 14, 2025·Feb 14, 2025

1 txn

SOUZA MARCIO

→PRAXIS PRECISION MEDICINES, INC.

Feb 14, 2025·Feb 14, 2025

2 txn

MASTROCOLA LAUREN

→PRAXIS PRECISION MEDICINES, INC.

Jan 14, 2025·Jan 14, 2025

3 txn

SOUZA MARCIO

→PRAXIS PRECISION MEDICINES, INC.

Jan 14, 2025·Jan 14, 2025

3 txn

SOUZA MARCIO

→PRAXIS PRECISION MEDICINES, INC.

Jan 8, 2025·Jan 8, 2025

2 txn

Page 1 of 4 · 92 total

Filer	Form	Target	Filed	Activity
ARBUCKLE STUART ACIK · 1557290	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jun 12, 2026 Jun 12, 2026	2txn
CHODAKEWITZ JEFFREYCIK · 1610876	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jun 12, 2026 Jun 12, 2026	2txn
YOUNG WILLIAM DCIK · 1217420	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jun 12, 2026 Jun 12, 2026	2txn
MITCHELL DEAN JCIK · 1199297	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jun 12, 2026 Jun 12, 2026	2txn
KINDLER JEFFREY BCIK · 1174454	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jun 12, 2026 Jun 12, 2026	2txn
NORDEN GREGORYCIK · 1405104	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jun 12, 2026 Jun 12, 2026	2txn
MASTROCOLA LAURENCIK · 1827639	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	May 20, 2026 May 20, 2026	1txn
MASTROCOLA LAURENCIK · 1827639	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jan 13, 2026 Jan 13, 2026	1txn
SNIECINSKI MEGANCIK · 1781480	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jan 13, 2026 Jan 13, 2026	1txn
MASTROCOLA LAURENCIK · 1827639	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jan 12, 2026 Jan 12, 2026	3txn
SNIECINSKI MEGANCIK · 1781480	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jan 12, 2026 Jan 12, 2026	3txn
SOUZA MARCIOCIK · 1707657	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jan 12, 2026 Jan 12, 2026	4txn
MASTROCOLA LAURENCIK · 1827639	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jan 9, 2026 Jan 9, 2026	1txn
SOUZA MARCIOCIK · 1707657	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jan 9, 2026 Jan 9, 2026	2txn
SNIECINSKI MEGANCIK · 1781480	3 Initial	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jan 9, 2026 Jan 9, 2026	7txn
SOUZA MARCIOCIK · 1707657	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Dec 31, 2025 Dec 31, 2025	2txn
MASTROCOLA LAURENCIK · 1827639	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Nov 21, 2025 Nov 21, 2025	16txn
MASTROCOLA LAURENCIK · 1827639	144 Sale	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Nov 20, 2025 Nov 20, 2025	—
YOUNG WILLIAM DCIK · 1217420	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jun 27, 2025 Jun 27, 2025	1txn
SOUZA MARCIOCIK · 1707657	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	May 19, 2025 May 19, 2025	2txn
MASTROCOLA LAURENCIK · 1827639	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Feb 14, 2025 Feb 14, 2025	1txn
SOUZA MARCIOCIK · 1707657	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Feb 14, 2025 Feb 14, 2025	2txn
MASTROCOLA LAURENCIK · 1827639	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jan 14, 2025 Jan 14, 2025	3txn
SOUZA MARCIOCIK · 1707657	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jan 14, 2025 Jan 14, 2025	3txn
SOUZA MARCIOCIK · 1707657	4 Trade	PRAXIS PRECISION MEDICINES, INC.CIK · 1689548	Jan 8, 2025 Jan 8, 2025	2txn

Page 1 of 4 · 92 total