Open Insider Trading Activity for Igm Biosciences, Inc. Chief Executive Officer Harler Mary Beth
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting IGMS | 2025-07-25 | 2025-07-23 | Igm Biosciences, Inc. | Harler Mary Beth | Chief Executive Officer | Sell | 1 | 14,501 | $1.27 | $18,416.27 | 4.29% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting IGMS | 2025-03-18 | 2025-03-14 | Igm Biosciences, Inc. | Harler Mary Beth | Chief Executive Officer | Sell | 1 | 7,329 | $1.23 | $9,014.67 | 2.11% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting IGMS | 2024-12-18 | 2024-12-16 | Igm Biosciences, Inc. | Harler Mary Beth | Chief Executive Officer | Sell | 1 | 1,708 | $7.48 | $12,775.84 | 0.49% | View Filing |