Reporting Manager
Kristina Burow
Symbol
NMRA
Shares outstanding
164M shares
Disclosed Ownership
34M shares
Ownership
20.7%
Form type
SCHEDULE 13D/A
Date filed
10/29/2025, 07:07 PM
Date of event
Oct 27, 2025

Reporting Managers (18)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
ARCH Venture Fund VII, L.P. 20.6% 33.8M 0 33.8M ARCH Venture Partners VII, L.P. its General Partner 0001402439
ARCH Venture Fund VIII Overage, L.P. 20.6% 33.8M 0 33.8M ARCH Venture Partners VIII, LLC its General Partner 0001617237
ARCH Venture Fund X, L.P. 20.6% 33.8M 0 33.8M ARCH Venture Partners X, L.P. its General Partner 0001757011
ARCH Venture Fund X Overage, L.P. 20.6% 33.8M 0 33.8M ARCH Venture Partners X Overage, L.P. its General Partner 0001757017
ARCH Venture Fund XII, L.P. 20.6% 33.8M 0 33.8M ARCH Venture Partners XII, L.P. its General Partner 0001906837
ARCH Venture Partners VII, L.P. 20.6% 33.8M 0 33.8M ARCH Venture Partners VII, LLC its General Partner 0001544444
ARCH Venture Partners X, L.P. 20.6% 33.8M 0 33.8M ARCH Venture Partners X, LLC its General Partner 0001782583
ARCH Venture Partners X Overage, L.P. 20.6% 33.8M 0 33.8M ARCH Venture Partners X, LLC its General Partner 0001768905
ARCH Venture Partners XII, L.P. 20.6% 33.8M 0 33.8M ARCH Venture Partners XII, LLC its General Partner 0001979765
ARCH Venture Partners VII, LLC 20.6% 33.8M 0 33.8M /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director 0001544443
ARCH Venture Partners VIII, LLC 20.6% 33.8M 0 33.8M /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director 0001616165
ARCH Venture Partners X, LLC 20.6% 33.8M 0 33.8M /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Robert Nelsen, Managing Director 0001769012
ARCH Venture Partners XII, LLC 20.6% 33.8M 0 33.8M /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director 0001979548
Robert Nelsen 20.6% 33.8M 0 33.8M /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Robert Nelsen 0001219042
Keith Crandell 20.6% 33.8M 0 33.8M /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Keith Crandell 0001219039
Clinton Bybee 2.3% 3.71M 0 3.71M /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Clinton Bybee 0001219043
Kristina Burow 20.7% 34M 111K 33.8M /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Kristina Burow 0001569248
Steven Gillis 19.2% 31.5M 0 31.5M /s/ Mark McDonnell* Mark McDonnell, as Attorney-in-Fact for Steven Gillis 0001229592