BERNSTEIN HAROLD

PrivateCIK: 2050172
Location

SOUTH SAN FRANCISCO, CA

BERNSTEIN HAROLD (President, R&D & CMO) sold 45K shares of MAZE THERAPEUTICS, INC. on the open market

Open‑market sale worth $1.83M. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderBERNSTEIN HAROLDCIK 2050172
IssuerMAZE THERAPEUTICS, INC.CIK 1842295
Officer· President, R&D & CMO
Since Mar 2026
-45K
Net shares
Net seller
$1.83M
Total sold
2
Open market trades
0B · 2S
4
Total transactions
45K acquired · 90K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+45K

Price / share

$10.42

Trade value

$468.90K

% of position

New position
12/29/2025
0.0045K

Common Stock

Direct
S · Sale

Shares

27.80K

Price / share

$40.34

Trade value

$1.12M

% of position

61.8%
12/29/2025
45K17.20K

Common Stock

Direct
S · Sale

Shares

17.20K

Price / share

$40.93

Trade value

$703.93K

% of position

New position
12/29/2025
17.20K0.00
Total

Net shares

+0.00

Net value

-$1.36M

Derivative Transactions1

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

45K shares

Shares

45K

Strike price

10.42

Held after

342.41K

Exercisable

12/29/2025
BERNSTEIN HAROLD — Insider Transaction (Form 4) Filed Dec 31, 2025 | Finecho