Reporting Manager
Kristina Burow
Symbol
NMRA
Shares outstanding
164,052,981 shares
Disclosed Ownership
33,958,967 shares
Ownership
21%
Form type
SCHEDULE 13D/A
Filing time
29 Oct 2025, 19:07:20 UTC
Date of event
27 Oct 2025

Reporting Managers (18)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ARCH Venture Fund VII, L.P. 21% 33,847,838 0 33,847,838 ARCH Venture Partners VII, L.P. its General Partner 0001402439
ARCH Venture Fund VIII Overage, L.P. 21% 33,847,838 0 33,847,838 ARCH Venture Partners VIII, LLC its General Partner 0001617237
ARCH Venture Fund X, L.P. 21% 33,847,838 0 33,847,838 ARCH Venture Partners X, L.P. its General Partner 0001757011
ARCH Venture Fund X Overage, L.P. 21% 33,847,838 0 33,847,838 ARCH Venture Partners X Overage, L.P. its General Partner 0001757017
ARCH Venture Fund XII, L.P. 21% 33,847,838 0 33,847,838 ARCH Venture Partners XII, L.P. its General Partner 0001906837
ARCH Venture Partners VII, L.P. 21% 33,847,838 0 33,847,838 ARCH Venture Partners VII, LLC its General Partner 0001544444
ARCH Venture Partners X, L.P. 21% 33,847,838 0 33,847,838 ARCH Venture Partners X, LLC its General Partner 0001782583
ARCH Venture Partners X Overage, L.P. 21% 33,847,838 0 33,847,838 ARCH Venture Partners X, LLC its General Partner 0001768905
ARCH Venture Partners XII, L.P. 21% 33,847,838 0 33,847,838 ARCH Venture Partners XII, LLC its General Partner 0001979765
ARCH Venture Partners VII, LLC 21% 33,847,838 0 33,847,838 /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director 0001544443
ARCH Venture Partners VIII, LLC 21% 33,847,838 0 33,847,838 /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director 0001616165
ARCH Venture Partners X, LLC 21% 33,847,838 0 33,847,838 /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Robert Nelsen, Managing Director 0001769012
ARCH Venture Partners XII, LLC 21% 33,847,838 0 33,847,838 /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director 0001979548
Robert Nelsen 21% 33,847,838 0 33,847,838 /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Robert Nelsen 0001219042
Keith Crandell 21% 33,847,838 0 33,847,838 /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Keith Crandell 0001219039
Clinton Bybee 2.3% 3,708,794 0 3,708,794 /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Clinton Bybee 0001219043
Kristina Burow 21% 33,958,967 111,129 33,847,838 /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Kristina Burow 0001569248
Steven Gillis 19% 31,526,272 0 31,526,272 /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Steven Gillis 0001229592