MPM BioVentures 2014, L.P. - 13 May 2025 SCHEDULE 13D/A Report for ITEOS THERAPEUTICS, INC. Common Stock (ITOS)

Filing Manager
MPM BioVentures 2014, L.P.
Reporting Manager
ANSBERT GADICKE
Security
ITEOS THERAPEUTICS, INC. Common Stock
Symbol
ITOS
Shares outstanding
38,382,894 shares
Disclosed Ownership
1,803,996 shares
Ownership
4.7%
Form type
SCHEDULE 13D/A
Filing time
15 May 2025, 17:30:55 UTC
Date of event
13 May 2025
SEC
View on sec.gov

Reporting Managers (16)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
MPM BioVentures 2014, L.P. 1.6% 621,312 621,312 0 /s/ Ansbert Gadicke Managing Director of MPM BioVentures 2014 LLC, the Managing Member of MPM BioVentures 2014 GP LLC, the General Partner of MPM BioVentures 2014, L.P. 0001609492
MPM BioVentures 2014 (B), L.P. 0.1% 39,135 39,135 0 /s/ Ansbert Gadicke Managing Director of MPM BioVentures 2014 LLC, Managing Member of MPM BioVentures 2014 GP LLC, the General Partner of MPM BioVentures 2014 (B), L.P 0001609493
MPM Asset Management Investors BV2014 LLC 0.1% 21,385 21,385 0 /s/ Ansbert Gadicke Managing Director of MPM BioVentures 2014 LLC, the manager of MPM Asset Management Investors BV2014 LLC 0001609495
MPM BIOVENTURES 2018, L.P. 1% 392,407 392,407 0 /s/ Ansbert Gadicke Managing Director of MPM BioVentures 2018 LLC, the Managing Member of MPM BioVentures 2018 GP LLC, the General Partner of MPM BioVentures 2018, L.P. 0001729505
MPM BIOVENTURES 2018 (B), L.P. 0.1% 19,697 19,697 0 /s/ Ansbert Gadicke Managing Director of MPM BioVentures 2018 LLC, Managing Member of MPM BioVentures 2018 GP LLC, the General Partner of MPM BioVentures 2018 (B), L.P 0001729504
MPM ASSET MANAGEMENT INVESTORS BV2018 LLC 0% 7,749 7,749 0 /s/ Ansbert Gadicke Managing Director of MPM BioVentures 2018 LLC, the manager of MPM Asset Management Investors BV2018 LLC 0001734817
UBS Oncology Impact Fund L.P. 1.8% 702,311 702,311 0 /s/ Ansbert Gadicke Managing Partner of MPM BioImpact LLC, the GP of Oncology Impact Fund (Cayman) Management L.P., the GP of UBS Oncology Impact Fund L.P. 0001691428
MPM BioVentures 2014 GP LLC 1.7% 660,447 0 660,447 /s/ Ansbert Gadicke Managing Director of MPM BioVentures 2014 LLC, the Managing Member of MPM BioVentures 2014 GP LLC 0001765091
MPM BioVentures 2014 LLC 1.8% 681,832 0 681,832 /s/ Ansbert Gadicke Managing Director 0001765021
MPM BioVentures 2018 GP LLC 1.1% 412,104 0 412,104 /s/ Ansbert Gadicke Managing Director of MPM BioVentures 2018 LLC, the Managing Member of MPM BioVentures 2018 GP LLC 0001818701
MPM BioVentures 2018 LLC 1.1% 419,853 0 419,853 /s/ Ansbert Gadicke Managing Director 0001818702
Oncology Impact Fund (Cayman) Management L.P. 1.8% 702,311 0 702,311 /s/ Ansbert Gadicke Managing Partner of MPM BioImpact LLC, the General Partner of Oncology Impact Fund (Cayman) Management L.P. 0001721036
MPM BioImpact LLC 1.8% 702,311 0 702,311 /s/ Ansbert Gadicke Managing Partner 0001687078
ANSBERT GADICKE 4.7% 1,803,996 0 1,803,996 /s/ Ansbert Gadicke Ansbert Gadicke 0001134655
LUKE EVNIN 2.9% 1,101,685 0 1,101,685 /s/ Luke Evnin Luke Evnin 0001134657
Todd Foley 2.9% 1,101,685 0 1,101,685 /s/ Todd Foley Todd Foley 0001473930