Nextech Crossover I GP S.a r.l. - 20 Dec 2024 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
Shares outstanding: 116,031,212 shares
Disclosed Ownership: 12,067,246 shares
Ownership: 10%
Form type: SCHEDULE 13G/A
Filing time: 26 Dec 2024, 16:29:13 UTC
Date of event: 20 Dec 2024
SEC: View on sec.gov

Reporting Managers (5)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title
Nextech Crossover I GP S.a. r.l.	10%	12,067,246	12,067,246	0	/s/ Ian Charoub	By Ian Charoub, Manager
Nextech Crossover I SCSp	10%	12,067,246	12,067,246	0	/s/ Ian Charoub	By Nextech Crossover I GP S.a r.l., its General Partner, By Ian Charoub, Manager
Ian Charoub	10%	12,067,246	0	12,067,246	/s/ Ian Charoub	Ian Charoub
Costas Constantinides	10%	12,067,246	0	12,067,246	/s/ Costas Constantinides	Costas Constantinides
Rocco Sgobbo	10%	12,067,246	12,067,246	0	/s/ Rocco Sgobbo	Rocco Sgobbo