Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-21-068408
Filing Date
2021-12-07
Accepted
2021-12-07 18:35:57
Documents
1
Period of Report
2021-12-03

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 35566
  Complete submission text file 0001209191-21-068408.txt   41327
Mailing Address THE JOHN HANCOCK TOWER 200 CLARENDON STREET, 54TH STREET BOSTON MA 02116
Business Address
EVNIN LUKE (Reporting) CIK: 0001134657 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-39401 | Film No.: 211477180

Mailing Address THE JOHN HANCOCK TOWER 200 CLARENDON STREET 54TH FLOOR BOSTON MA 02116
Business Address
Foley Todd (Reporting) CIK: 0001473930 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-39401 | Film No.: 211477179

Mailing Address C/O MPM ASSET MANAGEMENT LLC 450 KENDALL STREET CAMBRIDGE MA 02142
Business Address C/O MPM ASSET MANAGEMENT LLC 450 KENDALL STREET CAMBRIDGE MA 02142 (617) 425-9200
MPM BioVentures 2014, L.P. (Reporting) CIK: 0001609492 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39401 | Film No.: 211477181

Mailing Address C/O MPM ASSET MANAGEMENT LLC 450 KENDALL STREET CAMBRIDGE MA 02124
Business Address C/O MPM ASSET MANAGEMENT LLC 450 KENDALL STREET CAMBRIDGE MA 02124 (617) 425-9200
MPM BioVentures 2014 (B), L.P. (Reporting) CIK: 0001609493 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39401 | Film No.: 211477178

Mailing Address C/O MPM ASSET MANAGEMENT LLC 450 KENDALL STREET CAMBRIDGE MA 02142
Business Address C/O MPM ASSET MANAGEMENT LLC 450 KENDALL STREET CAMBRIDGE MA 02142 (617) 425-9200
MPM Asset Management Investors BV2014 LLC (Reporting) CIK: 0001609495 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39401 | Film No.: 211477177

Mailing Address 450 KENDALL STREET CAMBRIDGE MA 02142
Business Address 450 KENDALL STREET CAMBRIDGE MA 02142 617-425-9200
MPM BIOVENTURES 2018 (B), L.P. (Reporting) CIK: 0001729504 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39401 | Film No.: 211477174

Mailing Address 450 KENDALL STREET CAMBRIDGE MA 02142
Business Address 450 KENDALL STREET CAMBRIDGE MA 02142 617-425-9200
MPM ASSET MANAGEMENT INVESTORS BV2018 LLC (Reporting) CIK: 0001734817 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39401 | Film No.: 211477173

Mailing Address 450 KENDALL STREET CAMBRIDGE MA 02142
Business Address 450 KENDALL STREET CAMBRIDGE MA 02142 617-425-9200
MPM BioVentures 2014 LLC (Reporting) CIK: 0001765021 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39401 | Film No.: 211477176

Mailing Address 450 KENDALL STREET CAMBRIDGE MA 02142
Business Address 450 KENDALL STREET CAMBRIDGE MA 02142 617-425-9200
MPM BioVentures 2014 GP LLC (Reporting) CIK: 0001765091 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39401 | Film No.: 211477175

Mailing Address 139 MAIN STREET CAMBRIDGE MA 02142
Business Address 139 MAIN STREET CAMBRIDGE MA 02142 857-204-4583
iTeos Therapeutics, Inc. (Issuer) CIK: 0001808865 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2836 Biological Products, (No Diagnostic Substances)