SCHEDULE 13G/A

SINGULAR GENOMICS SYSTEMS IN

Common Stock par value $0.0001 per share · CUSIP: 82933R308

Event date: 2025-02-21

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• ARCH Venture Fund IX, L.P.

  Shares: 0.00 · Class: 0%

• ARCH Venture Partners IX, L.P.

  Shares: 0.00 · Class: 0%

• ARCH Venture Partners IX, LLC

  Shares: 0.00 · Class: 0%

• Keith Crandell

  Shares: 0.00 · Class: 0%

• Clinton Bybee

  Shares: 0.00 · Class: 0%

• Robert Nelsen

  Shares: 0.00 · Class: 0%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.