Christina Teng Topsoe

Christina Teng Topsoe (board member) discloses dealings in IGM Biosciences, Inc. to SEC (Form 4). Over a trading history stretching from 30 June 2021 to 14 August 2025, the count stands at 18 filings.

No open-market sale appears; the market trades are 2 purchases worth €57k. A purchase on the market is a deliberate choice to commit personal money, which is why it draws more attention than a grant. Outside the open market, there are 15 share grants.

On 14 August 2025 came the latest disclosure, a transaction in IGM Biosciences, Inc. The clock since the last published purchase (5 July 2023) now reads 1,201 days. Typically, a trade is published a median of 4 days after it takes place. US insiders must file a Form 4 within two business days of a trade. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.