WARMUTH MARKUS

PrivateCIK: 1855643
Location

BOSTON, MA

WARMUTH MARKUS (See Remarks) sold 1.6% of their position (10.13K shares) of MONTE ROSA THERAPEUTICS, INC. on the open market

Open‑market sale worth $153.7K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderWARMUTH MARKUSCIK 1855643
DirectorOfficer· See Remarks
Since Jun 2021
+485.87K
Net shares
Net buyer
$153.7K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
496K acquired · 10.13K disposed
Non-Derivative Transactions2

Common Stock

Direct
A · Award

Shares

+90K

Price / share

Trade value

% of position

16.5%
1/2/2026
544.54K634.54K

Common Stock

Direct
S · Sale

Shares

10.13K

Price / share

$15.17

Trade value

$153.75K

% of position

1.6%
1/5/2026
634.54K624.40K
Total

Net shares

+79.86K

Net value

-$153.75K

Derivative Transactions1

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

406K shares

Shares

+406K

Strike price

15.31

Held after

406K

Exercisable

1/2/2026
WARMUTH MARKUS — Insider Transaction (Form 4) Filed Jan 5, 2026 | Finecho