Lisa Lynn Decker, Chief Business Officer at IGM Biosciences ($IGMS), made three open market sales of company stock over the past year, totaling $12,302. Her most recent sale occurred on July 23, 2025. These transactions rank 11,225th among 11,678 insiders in our database, well below the average sale value of $8.6 million across 6.37 transactions per insider. She reported no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 23, 2025 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | S | Common Stock | 4409 | $1.27 | 68,169.0000 | 61,816,099 | 6.07% | 0.01% |
| June 16, 2025 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | S | Common Stock | 951 | $1.20 | 72,578.0000 | 60,514,546 | 1.29% | 0.00% |
| March 14, 2025 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | S | Common Stock | 4512 | $1.23 | 73,529.0000 | 60,514,546 | 5.78% | 0.01% |
| Dec. 16, 2024 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | S | Common Stock | 1063 | $7.48 | 78,041.0000 | 60,434,161 | 1.34% | 0.00% |
| Sept. 13, 2024 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | S | Common Stock | 925 | $11.54 | 79,104.0000 | 60,434,161 | 1.16% | 0.00% |
| July 19, 2024 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | A | Common Stock | 16666 | $0.00 | 76,695.0000 | 60,434,161 | 27.76% | 0.03% |
| July 19, 2024 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | A | Common Stock | 3334 | $0.00 | 80,029.0000 | 60,434,161 | 4.35% | 0.01% |
| July 19, 2024 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | D | Stock Option (right to buy) | 60000 | $0.00 | 0.0000 | 60,434,161 | 100.00% | 0.10% |
| June 14, 2024 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | S | Common Stock | 977 | $7.58 | 60,029.0000 | 52,311,958 | 1.60% | 0.00% |
| March 13, 2024 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | S | Common Stock | 1798 | $9.88 | 62,584.0000 | 52,311,958 | 2.79% | 0.00% |
| March 14, 2024 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | S | Common Stock | 1578 | $10.17 | 61,006.0000 | 52,311,958 | 2.52% | 0.00% |
| March 12, 2024 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | A | Common Stock | 28750 | $0.00 | 64,382.0000 | 52,311,958 | 80.69% | 0.05% |
| March 12, 2024 | IGM Biosciences, Inc. | $IGMS | Decker Lisa Lynn | CHIEF BUSINESS OFFICER | A | Stock Option (right to buy) | 57500 | $0.00 | 57,500.0000 | 52,311,958 | 9999.99% | 0.11% |