Form Type: 4

SEC EDGAR Link
Accession Number:0001209191-21-017589
Date:2021-03-01
Issuer: IGM BIOSCIENCES, INC. (IGMS)
Original Submission Date:

Reporting Person:

KEYT BRUCE
C/O IGM BIOSCIENCES, INC.
325 E. MIDDLEFIELD ROAD MOUNTAIN VIEW, CA 94043

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
COMMON STOCK 2021-03-01 M 2,500 a $0.93 5,269 direct
COMMON STOCK 2021-03-01 F 881 d $92.44 4,388 direct
COMMON STOCK 2021-03-02 S 1,619 d $90.25 2,769 direct
COMMON STOCK 2021-03-01 0 $0.00 1,013 indirect f3
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
STOCK OPTION (RIGHT TO BUY) 0.93 2021-03-01 deemed execution date M 2,500 (d) 2025-03-10 common stock 2,500 $0.93 20,264 direct
Footnotes
IDfootnote
f1 the option exercise and sale were 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 2,500 option shares.
f3 the shares are held directly by the reporting person's spouse.
f4 the shares subject to the option are vested and exercisable as of the date hereof.
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