Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0001193125-23-189626
Filing Date
2023-07-19
Accepted
2023-07-19 16:13:59
Documents
2
Group Members
ANNE HAUGWITZ-HARDENBERG-REVENTLOWBIRGITTE NIELSENCHRISTINA TENG TOPSOEEMIL OIGAARDJAKOB HALDOR TOPSOETHOMAS SCHLEICHER

Document Format Files

Seq Description Document Type Size
1 SC 13D/A d480013dsc13da.htm SC 13D/A 177719
2 EX-99.1 d480013dex991.htm EX-99.1 7722
  Complete submission text file 0001193125-23-189626.txt   187303
Mailing Address 325 E MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043
Business Address 325 E MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043 650-965-7873
IGM Biosciences, Inc. (Subject) CIK: 0001496323 (see all company filings)

EIN.: 770349194 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-91132 | Film No.: 231096868
SIC: 2834 Pharmaceutical Preparations

Mailing Address HALDOR TOPSOE ALLE 1 KONGENS LYNGBY G7 2800
Business Address HALDOR TOPSOE ALLE 1 KONGENS LYNGBY G7 2800 45 4527 2000
Topsoe Holding A/S (Filed by) CIK: 0001788357 (see all company filings)

EIN.: 000000000 | State of Incorp.: G7 | Fiscal Year End: 1231
Type: SC 13D/A