LANG MATTHEW

PrivateCIK: 1712069
Location

SOUTH SAN FRANCISCO, CA

LANG MATTHEW (Chief Legal Officer) reported 1 transaction at METSERA, INC.

Review the transaction codes below to understand the nature of each event.

InsiderLANG MATTHEWCIK 1712069
IssuerMETSERA, INC.CIK 2040807
Officer· Chief Legal Officer
Since Apr 2025
-371.88K
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
4
Total transactions
12.50K acquired · 384.38K disposed
Non-Derivative Transactions1

Common Stock

Direct
D · Disposition

Shares

12.50K

Price / share

Trade value

% of position

New position
11/13/2025
12.50K0.00
Total

Net shares

12.50K

Net value

$0.00

Derivative Transactions3

Restricted Stock Unit

Direct
A · Award
Converts to

Common Stock

12.50K shares

Shares

+12.50K

Strike price

0

Held after

12.50K

Exercisable

11/13/2025

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

46.88K shares

Shares

46.88K

Strike price

29.25

Held after

0.00

Exercisable

11/13/2025

Stock Option (right to buy)

Direct
D · Disposition
Converts to

Common Stock

325K shares

Shares

325K

Strike price

17.16

Held after

0.00

Exercisable

11/13/2025
LANG MATTHEW — Insider Transaction (Form 4) Filed Nov 13, 2025 | Finecho