IGM Biosciences, Inc.·4

May 18, 9:38 PM ET

Chen Daniel ShinYu 4

4 · IGM Biosciences, Inc. · Filed May 18, 2021

Insider Transaction Report

Form 4
Period: 2021-05-14
Chen Daniel ShinYu
Chief Medical Officer
Transactions
  • Tax Payment

    Common Stock

    2021-05-14$68.76/sh456$31,355116,962 total
  • Exercise/Conversion

    Stock Option (right to buy)

    2021-05-14900342,140 total
    Exercise: $1.39Exp: 2028-12-30Common Stock (900 underlying)
  • Exercise/Conversion

    Common Stock

    2021-05-14$1.39/sh+900$1,251117,418 total
Footnotes (3)
  • [F1]The option exercise was effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person.
  • [F2]Represents shares withheld by the Issuer to pay the exercise price and taxes pursuant to the "net exercise" of 900 option shares.
  • [F3]The option, originally for 361,090 shares, of which 18,950 shares have been exercised, vested as to 1/4 of the shares on August 1, 2019, and an additional 1/48 of the shares subject to the option shall vest monthly thereafter, subject to the Reporting Person remaining a service provider through each such date.

Documents

1 file
  • 4
    doc4.xmlPrimary

    FORM 4 SUBMISSION