SCHEDULE 13G

GMS INC

Common Stock, par value $0.01 per share · CUSIP: 36251C103

Event date: 2025-01-06

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

• Coliseum Capital Management, LLC

  Shares: 2,256,243 · Class: 5.8%

• Coliseum Capital, LLC

  Shares: 1,830,368 · Class: 4.7%

• Coliseum Capital Partners, L.P.

  Shares: 1,804,522 · Class: 4.6%

• Coliseum Capital Co-Invest III, L.P.

  Shares: 25,846 · Class: 0.1%

• Adam Gray

  Shares: 2,256,243 · Class: 5.8%

• Christopher Shackelton

  Shares: 2,256,243 · Class: 5.8%

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