SEC Insider Transactions from Lee Michael Stewart.

Last updated: 2026-03-14 11:30 UTC | Total transactions: 15

Lee Michael Stewart has filed 15 insider transactions across 3 companies since May 2023.

Most recent transaction: a disposition of 12712 shares of IGM Biosciences, Inc. ($IGMS) on August 14, 2025.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Aug. 14, 2025 IGM Biosciences, Inc. $IGMS Lee Michael Stewart Director D Common Stock 12712 $0.00 0.0000 61,816,099 100.00% 0.02%
July 14, 2025 Shattuck Labs, Inc. $STTK Lee Michael Stewart Director A Stock Option (Right to Buy) 33150 $0.00 33,150.0000 50,758,290 9999.99% 0.07%
June 30, 2025 IGM Biosciences, Inc. $IGMS Lee Michael Stewart Director A Common Stock 828 $0.00 12,712.0000 60,514,546 6.97% 0.00%
May 29, 2025 FATE THERAPEUTICS INC $FATE Lee Michael Stewart Director A Stock Option (Right to Buy) 55000 $0.00 55,000.0000 113,685,177 9999.99% 0.05%
March 31, 2025 IGM Biosciences, Inc. $IGMS Lee Michael Stewart Director A Common Stock 828 $0.00 11,884.0000 60,514,546 7.49% 0.00%
Dec. 31, 2024 IGM Biosciences, Inc. $IGMS Lee Michael Stewart Director A Common Stock 1734 $0.00 11,056.0000 60,434,161 18.60% 0.00%
Sept. 30, 2024 IGM Biosciences, Inc. $IGMS Lee Michael Stewart Director A Common Stock 1734 $0.00 9,322.0000 60,434,161 22.85% 0.00%
June 28, 2024 IGM Biosciences, Inc. $IGMS Lee Michael Stewart Director A Common Stock 1734 $0.00 7,588.0000 52,311,958 29.62% 0.00%
June 21, 2024 Shattuck Labs, Inc. $STTK Lee Michael Stewart Director A Stock Option (Right to Buy) 27700 $0.00 27,700.0000 42,600,190 9999.99% 0.07%
June 7, 2024 FATE THERAPEUTICS INC $FATE Lee Michael Stewart Director A Stock Option (Right to Buy) 40000 $0.00 40,000.0000 98,411,162 9999.99% 0.04%
March 29, 2024 IGM Biosciences, Inc. $IGMS Lee Michael Stewart Director A Common Stock 1734 $0.00 5,854.0000 52,311,958 42.09% 0.00%
March 12, 2024 IGM Biosciences, Inc. $IGMS Lee Michael Stewart Director A Stock Option (Right to Buy) 29400 $0.00 29,400.0000 52,311,958 9999.99% 0.06%
Dec. 29, 2023 IGM Biosciences, Inc. $IGMS Lee Michael Stewart Director A Common Stock 492 $0.00 4,120.0000 41,543,954 13.56% 0.00%
June 6, 2023 FATE THERAPEUTICS INC $FATE Lee Michael Stewart Director A Stock Option (Right to Buy) 40000 $0.00 40,000.0000 0 9999.99% 0.00%
May 26, 2023 Shattuck Labs, Inc. $STTK Lee Michael Stewart Director A Stock Option (Right to Buy) 40258 $0.00 40,258.0000 0 9999.99% 0.00%