NEMIROFF ALEX

PrivateCIK: 1827760
Location

CAMBRIDGE, MA

NEMIROFF ALEX (General Counsel and Secretary) sold 54.7% of their position (25.13K shares) of PRAXIS PRECISION MEDICINES, INC. on the open market

Open‑market sale worth $4.85M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales
InsiderNEMIROFF ALEXCIK 1827760
Officer· General Counsel and Secretary
Since Oct 2020
-25.13K
Net shares
Net seller
$4.85M
Total sold
4
Open market trades
0B · 4S
14
Total transactions
25.13K acquired · 50.26K disposed
Non-Derivative Transactions9

Common Stock

Direct
M · Option Exercise

Shares

+1.71K

Price / share

$83.85

Trade value

$143.72K

% of position

8.2%
11/20/2025
20.83K22.55K

Common Stock

Direct
M · Option Exercise

Shares

+6.23K

Price / share

$133.65

Trade value

$832.64K

% of position

27.6%
11/20/2025
22.55K28.78K

Common Stock

Direct
M · Option Exercise

Shares

+2.43K

Price / share

$44.40

Trade value

$108.07K

% of position

8.5%
11/20/2025
28.78K31.21K

Common Stock

Direct
M · Option Exercise

Shares

+5.65K

Price / share

$44.40

Trade value

$250.95K

% of position

18.1%
11/20/2025
31.21K36.86K

Common Stock

Direct
M · Option Exercise

Shares

+9.10K

Price / share

$56.94

Trade value

$518.15K

% of position

24.7%
11/20/2025
36.86K45.96K

Common Stock

Direct
S · Sale

Shares

1.71K

Price / share

$190.86

Trade value

$327.14K

% of position

3.7%
11/20/2025
45.96K44.25K

Common Stock

Direct
S · Sale

Shares

13.34K

Price / share

$192.53

Trade value

$2.57M

% of position

30.1%
11/20/2025
44.25K30.91K

Common Stock

Direct
S · Sale

Shares

977.00

Price / share

$193.23

Trade value

$188.79K

% of position

3.2%
11/20/2025
30.91K29.93K

Common Stock

Direct
S · Sale

Shares

9.10K

Price / share

$194.30

Trade value

$1.77M

% of position

30.4%
11/20/2025
29.93K20.83K
Total

Net shares

+0.00

Net value

-$3M

Derivative Transactions5

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

1.71K shares

Shares

1.71K

Strike price

83.85

Held after

0.00

Exercisable

11/20/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

6.23K shares

Shares

6.23K

Strike price

133.65

Held after

0.00

Exercisable

11/20/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

2.43K shares

Shares

2.43K

Strike price

44.40

Held after

0.00

Exercisable

11/20/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

5.65K shares

Shares

5.65K

Strike price

44.40

Held after

2.35K

Exercisable

11/20/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

9.10K shares

Shares

9.10K

Strike price

56.94

Held after

19.72K

Exercisable

11/20/2025
NEMIROFF ALEX — Insider Transaction (Form 4) Filed Nov 21, 2025 | Finecho