SEC Insider Transactions from Keyt Bruce.

Last updated: 2026-03-14 10:44 UTC | Total transactions: 14

Keyt Bruce has filed 14 insider transactions across 1 company since March 2024.

Most recent transaction: a sale of 1487 shares of IGM Biosciences, Inc. ($IGMS) on September 13, 2024.

Activity breakdown: 0 open-market purchases and 4 sales.

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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
Sept. 13, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER S Common Stock 1487 $11.54 246,987.0000 60,434,161 0.60% 0.00%
July 19, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER A Common Stock 43888 $0.00 245,696.0000 60,434,161 21.75% 0.07%
July 19, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER A Common Stock 2778 $0.00 248,474.0000 60,434,161 1.13% 0.00%
July 19, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER D Stock Option (right to buy) 75000 $0.00 0.0000 60,434,161 100.00% 0.12%
July 19, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER D Stock Option (right to buy) 50000 $0.00 0.0000 60,434,161 100.00% 0.08%
May 15, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER A Common Stock 3000 $5.02 202,914.0000 52,311,958 1.50% 0.01%
June 14, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER S Common Stock 1106 $7.58 201,808.0000 52,311,958 0.55% 0.00%
March 26, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER A Common Stock 24019 $0.00 199,914.0000 52,311,958 13.66% 0.05%
March 13, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER S Common Stock 2101 $9.88 177,739.0000 52,311,958 1.17% 0.00%
March 14, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER S Common Stock 1844 $10.17 175,895.0000 52,311,958 1.04% 0.00%
March 12, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER A Common Stock 46250 $0.00 179,840.0000 52,311,958 34.62% 0.09%
March 12, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER A Stock Option (right to buy) 92500 $0.00 92,500.0000 52,311,958 9999.99% 0.18%
March 1, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER M Common Stock 3026 $0.93 133,590.0000 52,311,958 2.32% 0.01%
March 1, 2024 IGM Biosciences, Inc. $IGMS Keyt Bruce CHIEF SCIENTIFIC OFFICER M Stock Option (right to buy) 3026 $0.00 0.0000 52,311,958 100.00% 0.01%