MASTROCOLA LAUREN

PrivateCIK: 1827639
Location

CAMBRIDGE, MA

MASTROCOLA LAUREN (Principal Accounting Officer) received a stock award from PRAXIS PRECISION MEDICINES, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award
InsiderMASTROCOLA LAURENCIK 1827639
Officer· Principal Accounting Officer
Since Oct 2020
+10.88K
Net shares
Net buyer
$105.9K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
11.25K acquired · 367.00 disposed
Non-Derivative Transactions2

Common Stock

Direct
A · Award

Shares

+3.75K

Price / share

Trade value

% of position

36.0%
1/8/2026
10.41K14.16K

Common Stock

Direct
F · Tax Withholding

Shares

367.00

Price / share

$288.45

Trade value

$105.86K

% of position

2.6%
1/10/2026
14.16K13.79K
Total

Net shares

+3.38K

Net value

-$105.86K

Derivative Transactions1

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

7.50K shares

Shares

+7.50K

Strike price

294.38

Held after

7.50K

Exercisable

1/8/2026
MASTROCOLA LAUREN — Insider Transaction (Form 4) Filed Jan 12, 2026 | Finecho