Bruce Keyt - Jun 1, 2021 Form 4 Insider Report for IGM Biosciences, Inc. (IGMS)

Role
Chief Scientific Officer
Signature
/s/ Misbah Tahir, by power of attorney
Stock symbol
IGMS
Transactions as of
Jun 1, 2021
Transactions value $
-$196,604
Form type
4
Date filed
6/3/2021, 08:30 PM
Previous filing
May 18, 2021
Next filing
Jul 6, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IGMS Common Stock Options Exercise $2.33K +2.5K +81.78% $0.93* 5.56K Jun 1, 2021 Direct F1
transaction IGMS Common Stock Tax liability -$100K -1.26K -22.58% $79.99* 4.3K Jun 1, 2021 Direct F2
transaction IGMS Common Stock Sale -$98.5K -1.25K -28.94% $79.15* 3.06K Jun 2, 2021 Direct F1
holding IGMS Common Stock 1.01K Jun 1, 2021 See footnote F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction IGMS Stock Option (right to buy) Options Exercise $0 -2.5K -16.38% $0.00 12.8K Jun 1, 2021 Common Stock 2.5K $0.93 Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.