Insider Ledger

GLUE insider buying and SEC filings, explained

Monte Rosa Therapeutics, Inc. · CIK 1826457

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
Nasdaq
Industry (SIC)
Biological Products, (No Diagnostic Substances)
State of incorporation
DE
Fiscal year end
Dec 31
Former names
Monte Rosa Therapeutics, Inc.

Insider activity in the last 12 months

Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$1.0M
Planned sales (10b5-1)
$2.2M

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Oct 5, 2026SaleMatthew Bowen (Principal Accounting Officer) sold 13 shares at $10.56 ($137). Holdings down <1% to 25,891 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Oct 6, 2026, 4:05 PM ET
Jul 16, 2026SaleMarkus Warmuth (CEO and Director) sold 9,500 shares at about $23.18 ($220K). Holdings down 2% to 585,038 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jul 17, 2026
Jul 15, 2026Planned (10b5-1)Jennifer Champoux (President / COO) sold 4,351 shares at about $23.38 ($102K), marked as a 10b5-1 plan trade. Holdings down 7% to 62,371 shares.SEC filing
Filed Jul 16, 2026
Jul 6, 2026Planned (10b5-1)Sharon Townson (Chief Scientific Officer) sold 6,000 shares at about $23.31 ($140K), marked as a 10b5-1 plan trade. Holdings down 8% to 67,845 shares.SEC filing
Filed Jul 7, 2026
Jun 30, 2026Planned (10b5-1)Filip Janku (Chief Medical Officer) sold 5,407 shares at $24.50 ($132K), marked as a 10b5-1 plan trade. Holdings down 8% to 60,612 shares.SEC filing
Filed Jul 1, 2026
Jun 29, 2026Planned (10b5-1)Filip Janku (Chief Medical Officer) sold 6,000 shares at $22.95 ($138K), marked as a 10b5-1 plan trade. Holdings down 9% to 59,992 shares.SEC filing
Filed Jun 30, 2026
Jun 23–24, 2026Planned (10b5-1)Filip Janku (Chief Medical Officer) sold 41,845 shares between Jun 23 and Jun 24 at about $21.08 ($882K), marked as a 10b5-1 plan trade. Holdings down 41% to 59,992 shares.SEC filing
Filed Jun 25, 2026
Jun 23, 2026Planned (10b5-1)Sharon Townson (Chief Scientific Officer) sold 3,000 shares at $20.00 ($60K), marked as a 10b5-1 plan trade. Holdings down 4% to 67,845 shares.SEC filing
Filed Jun 25, 2026
Jun 23, 2026Planned (10b5-1)Jennifer Champoux (President / COO) sold 2,175 shares at $20.00 ($44K), marked as a 10b5-1 plan trade. Holdings down 3% to 62,371 shares.SEC filing
Filed Jun 25, 2026
Jun 17, 2026Planned (10b5-1)Jennifer Champoux (President / COO) sold 2,176 shares at $19.00 ($41K), marked as a 10b5-1 plan trade. Holdings down 3% to 62,371 shares.SEC filing
Filed Jun 18, 2026
Jun 17, 2026Planned (10b5-1)Sharon Townson (Chief Scientific Officer) sold 3,000 shares at $19.00 ($57K), marked as a 10b5-1 plan trade. Holdings down 4% to 67,845 shares.SEC filing
Filed Jun 18, 2026
Jun 1, 2026Planned (10b5-1)Markus Warmuth (CEO and Director) sold 5,466 shares at about $19.44 ($106K), marked as a 10b5-1 plan trade. Holdings down 1% to 594,538 shares.SEC filing
Filed Jun 2, 2026
May 29, 2026Planned (10b5-1)Sharon Townson (Chief Scientific Officer) sold 6,000 shares at about $19.87 ($119K), marked as a 10b5-1 plan trade. Holdings down 8% to 67,845 shares.SEC filing
Filed Jun 1, 2026
May 27, 2026Planned (10b5-1)Jennifer Champoux (President / COO) sold 2,175 shares at $20.00 ($44K), marked as a 10b5-1 plan trade. Holdings down 3% to 62,371 shares.SEC filing
Filed May 28, 2026
May 22, 2026Planned (10b5-1)Jennifer Champoux (President / COO) sold 2,176 shares at $19.00 ($41K), marked as a 10b5-1 plan trade. Holdings down 3% to 62,371 shares.SEC filing
Filed May 26, 2026
May 1, 2026Planned (10b5-1)Markus Warmuth (CEO and Director) sold 5,467 shares at about $18.92 ($103K), marked as a 10b5-1 plan trade. Holdings down 1% to 600,004 shares.SEC filing
Filed May 5, 2026
Apr 14, 2026SaleMarkus Warmuth (CEO and Director) sold 8,000 shares at about $17.64 ($141K). Holdings down 1% to 605,471 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Apr 15, 2026
Apr 9, 2026SalePhilip Nickson (Chief Business & Legal Officer) sold 5,845 shares at about $17.69 ($103K). Holdings down 10% to 55,000 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Apr 10, 2026
Mar 4, 2026SaleEdmund Dunn (Principal Accounting Officer) sold 139 shares at $17.96 ($2K). Holdings down 1% to 22,554 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 5, 2026
Mar 2, 2026Planned (10b5-1)Markus Warmuth (CEO and Director) sold 5,466 shares at about $17.92 ($98K), marked as a 10b5-1 plan trade. Holdings down 1% to 613,471 shares.SEC filing
Filed Mar 4, 2026
Feb 23, 2026SaleFilip Janku (Chief Medical Officer) sold 9,189 shares at $19.50 ($179K). Holdings down 12% to 65,837 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 24, 2026
Jan 7, 2026Planned (10b5-1)Markus Warmuth (CEO and Director) sold 5,466 shares at about $23.48 ($128K), marked as a 10b5-1 plan trade. Holdings down 1% to 618,937 shares.SEC filing
Filed Jan 9, 2026
Jan 5, 2026SaleEdmund Dunn (Principal Accounting Officer) sold 1,039 shares at about $15.17 ($16K). Holdings down 4% to 22,693 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 5, 2026
Jan 5, 2026SalePhilip Nickson (Chief Business & Legal Officer) sold 3,155 shares at about $15.17 ($48K). Holdings down 5% to 60,845 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 5, 2026
Jan 5, 2026SaleJennifer Champoux (President / COO) sold 2,629 shares at about $15.17 ($40K). Holdings down 4% to 62,371 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 5, 2026
Jan 5, 2026SaleMarkus Warmuth (CEO and Director) sold 10,135 shares at about $15.17 ($154K). Holdings down 2% to 624,403 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 5, 2026
Jan 5, 2026SaleFilip Janku (Chief Medical Officer) sold 3,155 shares at about $15.17 ($48K). Holdings down 4% to 75,026 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 5, 2026
Jan 5, 2026SaleSharon Townson (Chief Scientific Officer) sold 3,155 shares at about $15.17 ($48K). Holdings down 4% to 67,845 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 5, 2026

32 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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