SEC Insider Transactions from Weber Steven.

Last updated: 2026-03-14 10:49 UTC | Total transactions: 13

Weber Steven, Principal Accounting Officer at IGM Biosciences ($IGMS), made three open market sales of company shares over the last year, totaling $4,765. His most recent sale occurred on June 16, 2025. These transactions rank 11,411th out of 11,678 individual insiders in our database, well below the average sale value of $8.6 million across 6.37 transactions per insider. He reported no open market purchases in this period.

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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
July 14, 2025 PULSE BIOSCIENCES, INC. $PLSE Weber Steven Principal Accounting Officer A Stock Option (right to buy) 55000 $0.00 55,000.0000 67,273,800 9999.99% 0.08%
June 16, 2025 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER S Common Stock 486 $1.20 26,530.0000 60,514,546 1.80% 0.00%
May 14, 2025 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER S Common Stock 1865 $1.12 27,016.0000 60,514,546 6.46% 0.00%
March 14, 2025 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER S Common Stock 1701 $1.23 28,881.0000 60,514,546 5.56% 0.00%
Jan. 15, 2025 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER S Common Stock 1122 $1.70 30,582.0000 60,514,546 3.54% 0.00%
Dec. 16, 2024 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER S Common Stock 539 $7.48 31,704.0000 60,434,161 1.67% 0.00%
Nov. 7, 2024 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER A Common Stock 6700 $0.00 32,243.0000 60,434,161 26.23% 0.01%
Sept. 13, 2024 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER S Common Stock 469 $11.54 25,543.0000 60,434,161 1.80% 0.00%
June 14, 2024 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER S Common Stock 495 $7.58 26,012.0000 52,311,958 1.87% 0.00%
March 14, 2024 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER S Common Stock 464 $10.17 26,507.0000 52,311,958 1.72% 0.00%
March 13, 2024 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER S Common Stock 529 $9.88 26,971.0000 52,311,958 1.92% 0.00%
March 12, 2024 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER A Stock Option (right to buy) 37500 $0.00 37,500.0000 52,311,958 9999.99% 0.07%
March 12, 2024 IGM Biosciences, Inc. $IGMS Weber Steven PRINCIPAL ACCOUNTING OFFICER A Common Stock 18750 $0.00 27,500.0000 52,311,958 214.29% 0.04%