Nextech Crossover I GP S.a r.l. - 06 Jan 2026 SCHEDULE 13G/A Report for MERSANA THERAPEUTICS, INC. Common Stock, $0.0001 par value per share (MRSN)

Filing Manager
Nextech Crossover I GP S.a r.l.
Reporting Manager
Nextech Crossover I GP S.a. r.l.
Security
MERSANA THERAPEUTICS, INC. Common Stock, $0.0001 par value per share
Symbol
MRSN
Disclosed Ownership
0 shares
Ownership
0%
Form type
SCHEDULE 13G/A
Filing time
09 Jan 2026, 13:28:34 UTC
Date of event
06 Jan 2026
SEC
View on sec.gov

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Nextech Crossover I GP S.a. r.l. 0% 0 0 0 /s/ Ian Charoub By Ian Charoub, Manager
Nextech Crossover I SCSp 0% 0 0 0 /s/ Ian Charoub By Nextech Crossover I GP S.a r.l., its General Partner, By Ian Charoub, Manager
Ian Charoub 0% 0 0 0 /s/ Ian Charoub Ian Charoub
Costas Constantinides 0% 0 0 0 /s/ Costas Constantinides Costas Constantinides
Rocco Sgobbo 0% 0 0 0 /s/ Rocco Sgobbo Rocco Sgobbo