Bruce Keyt - Sep 6, 2022 Form 4 Insider Report for IGM Biosciences, Inc. (IGMS)

Signature
/s/ Misbah Tahir, by power of attorney
Stock symbol
IGMS
Transactions as of
Sep 6, 2022
Transactions value $
-$460,290
Form type
4
Date filed
9/8/2022, 05:34 PM
Previous filing
Aug 22, 2022
Next filing
Oct 6, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IGMS Common Stock Options Exercise $4.65K +5K +12.66% $0.93* 44.5K Sep 6, 2022 Direct F1
transaction IGMS Common Stock Sale -$95.3K -5K -11.24% $19.06 39.5K Sep 6, 2022 Direct F1, F2
transaction IGMS Common Stock Options Exercise $9.3K +10K +25.32% $0.93* 49.5K Sep 7, 2022 Direct F1
transaction IGMS Common Stock Sale -$190K -10K -20.21% $19.04 39.5K Sep 7, 2022 Direct F1, F3
transaction IGMS Common Stock Options Exercise $9.3K +10K +25.32% $0.93* 49.5K Sep 8, 2022 Direct F1
transaction IGMS Common Stock Sale -$142K -7.27K -14.68% $19.57 42.2K Sep 8, 2022 Direct F1, F4
transaction IGMS Common Stock Sale -$55.6K -2.74K -6.48% $20.34 39.5K Sep 8, 2022 Direct F1, F5
holding IGMS Common Stock 1.01K Sep 6, 2022 See footnote F6

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 -5K -4.6% $0.00 104K Sep 6, 2022 Common Stock 5K $0.93 Direct F1, F7
transaction IGMS Stock Option (right to buy) Options Exercise $0 -10K -9.64% $0.00 93.8K Sep 7, 2022 Common Stock 10K $0.93 Direct F1, F7
transaction IGMS Stock Option (right to buy) Options Exercise $0 -10K -10.67% $0.00 83.8K Sep 8, 2022 Common Stock 10K $0.93 Direct F1, F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option exercises and sales were effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person.
F2 This transaction was executed in multiple trades at prices ranging from $18.75 to $19.25. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.
F3 This transaction was executed in multiple trades at prices ranging from $19.00 to $19.27. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.
F4 This transaction was executed in multiple trades at prices ranging from $19.25 to $20.03. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.
F5 This transaction was executed in multiple trades at prices ranging from $20.25 to $20.75. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.
F6 The shares are held directly by the reporting person's spouse.
F7 The shares subject to the option are vested and exercisable as of the date hereof.