Filings (90d)
Other insiders active in the same stocks
Insiders who have reported open-market trades at the same companies as Christina Teng Topsoe. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Mary Beth Harler - $31K in IGMS purchases and sales on record
- Misbah Tahir - $24K in IGMS purchases and sales on record
- Lisa Lynn Decker - $14K in IGMS purchases and sales on record
- Steven Weber - $4K in IGMS purchases and sales on record
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Christina Teng Topsoe?
Christina Teng Topsoe is a corporate insider of IGM Biosciences, Inc. (IGMS). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Christina Teng Topsoe last file a Form 4?
The most recent primary Form 4 on record is dated 14 August 2025, one of 3 filings going back to 2024.
