SCHEDULE 13D/A

NN Inc

Common Stock, par value $0.01 per share · CUSIP: 629337106

Event date: 2026-01-16

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

• Legion Partners, L.P. IReported CIK 0001595909

  Shares: 3,733,515.00 · Class: 7.4%

• Legion Partners, L.P. IIReported CIK 0001618783

  Shares: 406,049.00 · Class: 0.8%

• Legion Partners Special Opportunities, L.P. XIReported CIK 0001768000

  Shares: 877,065.00 · Class: 1.7%

• Legion Partners, LLCReported CIK 0001682390

  Shares: 5,016,629.00 · Class: 9.95%

• Legion Partners Asset Management, LLCReported CIK 0001560207

  Shares: 5,016,629.00 · Class: 9.95%

• Legion Partners Holdings, LLCReported CIK 0001682389

  Shares: 5,016,929.00 · Class: 9.95%

• Kiper Christopher SReported CIK 0001432744

  Shares: 5,016,929.00 · Class: 9.95%

• White Raymond T.Reported CIK 0001682494

  Shares: 5,016,929.00 · Class: 9.95%

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