SCHEDULE 13D/A

Marine Products Corp

Common Stock, $.10 Par Value · CUSIP: 568427108

Event date: 2026-03-11

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

• Gary W. RollinsReported CIK 0001005788

  Shares: 3,031,930.00 · Class: 8.7%

• Gary W. Rollins Voting Trust U/A dated September 14, 1994Reported CIK 0001820491

  Shares: 21,001,939.00 · Class: 60.0%

• R. Randall Rollins Voting Trust U/A dated August 25, 1994Reported CIK 0001820515

  Shares: 21,002,018.00 · Class: 60.0%

• LOR, Inc.Reported CIK 0001212243

  Shares: 20,658,460.00 · Class: 59.0%

• RCTLOR, LLCReported CIK 0001810975

  Shares: 1,065,476.00 · Class: 3.0%

• Rollins Holding Company, Inc.Reported CIK 0001228949

  Shares: 343,479.00 · Class: 1.0%

• WNEG Investments, L.P.Reported CIK 0001820068

  Shares: 327,258.00 · Class: 0.9%

• RFT Investment Company, LLCReported CIK 0001383397

  Shares: 297,913.00 · Class: 0.9%

• Amy R. KreislerReported CIK 0001688726

  Shares: 103,124.00 · Class: 0.3%

• The Gary W. Rollins Revocable TrustReported CIK 0001820059

  Shares: 219,149.00 · Class: 0.6%

• Pamela R. RollinsReported CIK 0001632522

  Shares: 155,035.00 · Class: 0.4%

• Timothy C. RollinsReported CIK 0001689063

  Shares: 94,491.00 · Class: 0.3%

• RFA Management Company, LLCReported CIK 0001228256

  Shares: 156,838.00 · Class: 0.4%

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