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Monte Rosa Therapeutics, Inc. planned insider sales

In the last twelve months insiders at Monte Rosa Therapeutics, Inc. filed 28 Form 144 notices of planned sales, 278,830 shares worth $108.7 million at the time of filing, from 10 sellers. The latest, filed 16 July 2026: Markus Warmuth (officer), 9,500 shares worth $220,219, planned for around 16 July 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services. One notice's value as filed does not match the share price that day; it is marked in the table.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
16 July 2026Markus WarmuthOfficer9,500$220,21916 July 20269,500 shares from 16 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
15 July 2026Champoux JenniferOfficer4,351$101,73015 July 20264,351 shares from 15 July 2026UBS Financial Services, Inc.Exercise of stock optionsForm 144
30 June 2026Filip JankuOfficer5,407$129,22730 June 202611,407 shares from 29 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
29 June 2026Filip JankuOfficer6,000$133,74029 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
29 June 2026Anthony M ManningDirector10,000$231,10029 June 202610,000 shares from 29 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
24 June 2026Filip JankuOfficer30,000$621,30024 June 202641,845 shares from 23 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
23 June 2026Champoux JenniferOfficer2,175$40,04223 June 20262,175 shares from 23 June 2026UBS Financial Services, Inc.Exercise of stock optionsForm 144
23 June 2026Filip JankuOfficer11,845$221,14623 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
23 June 2026Edmund DunnOfficer16,665$344,98623 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
17 June 2026Champoux JenniferOfficer2,176$39,00517 June 20262,176 shares from 17 June 2026UBS Financial Services, Inc.Exercise of stock optionsForm 144
1 June 2026Warmuth MarkusOfficer5,466$106,2531 June 20265,466 shares from 1 June 2026Rockefeller Capital ManagementStock AwardForm 144
29 May 2026Sharon TownsonOfficer24,000$465,36029 May 202618,000 shares from 29 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
27 May 2026Champoux JenniferOfficer2,175$42,04327 May 20262,175 shares from 27 May 2026UBS Financial Services, Inc.Exercise of stock optionsForm 144
22 May 2026Champoux JenniferOfficer2,176$40,73522 May 20262,176 shares from 22 May 2026UBS Financial Services, Inc.Exercise of stock optionsForm 144
21 May 2026Anthony M ManningDirector10,000$180,10021 May 202610,000 shares from 21 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
1 May 2026Warmuth MarkusOfficer5,467$103.4 million
value as filed; does not match the share price that day		1 May 20265,467 shares from 1 May 2026Rockefeller Capital ManagementStock AwardForm 144
16 April 2026Edmund DunnOfficer18,683$345,63616 April 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
14 April 2026Markus WarmuthOfficer, Director8,000$141,12514 April 20268,000 shares from 14 April 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
13 April 2026Edmund DunnOfficer16,687$300,36613 April 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
9 April 2026Philip NicksonOfficer5,845$103,4139 April 20265,845 shares from 9 April 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
8 April 2026Edmund DunnOfficer26,117$450,6238 April 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
4 March 2026Dunn EdmundOfficer139$2,4824 March 2026139 shares from 4 March 2026Morgan Stanley Smith Barney LLCRSU VestForm 144
2 March 2026Edmund DunnOfficer536$9,3802 March 2026536 shares from 2 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
2 March 2026Warmuth MarkusOfficer5,466$97,9742 March 20265,466 shares from 2 March 2026Rockefeller Capital ManagementStock AwardForm 144
27 February 2026Edmund DunnOfficer25,164$455,50627 February 202625,164 shares from 27 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
23 February 2026Filip JankuOfficer9,189$179,16123 February 20269,189 shares from 23 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesEmployee Stock Purchase PlanForm 144
7 January 2026Warmuth MarkusOfficer5,466$128,3727 January 20265,466 shares from 7 January 2026Rockefeller Capital ManagementStock AwardForm 144
5 January 2026Warmuth MarkusOfficer, Director10,135$153,7595 January 202610,135 shares from 5 January 2026Morgan Stanley Smith Barney LLCRSU VestForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?