Filing Details

Accession Number:
0001209191-21-007921
Form Type:
4
Zero Holdings:
No
Publication Time:
2021-02-04 20:12:15
Reporting Period:
2021-02-02
Accepted Time:
2021-02-04 20:12:15
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1496323 Igm Biosciences Inc. IGMS Pharmaceutical Preparations (2834) 770349194
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1787362 Bruce Keyt C/O Igm Biosciences, Inc.
325 E. Middlefield Road
Mountain View CA 94043
Chief Scientific Officer No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2021-02-02 2,500 $0.93 5,269 No 4 M Direct
Common Stock Disposition 2021-02-02 881 $96.40 4,388 No 4 F Direct
Common Stock Disposition 2021-02-03 1,619 $96.00 2,769 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 F Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Stock Option (right to buy) Disposition 2021-02-02 2,500 $0.00 2,500 $0.93
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
22,764 2025-03-10 No 4 M Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 1,013 Indirect See footnote
Footnotes
  1. The option exercise and sale were effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person.
  2. Represents shares withheld by the Issuer to pay the exercise price and taxes pursuant to the "net exercise" of 2,500 option shares.
  3. The shares are held directly by the reporting person's spouse.
  4. The shares subject to the option are vested and exercisable as of the date hereof.