SCHEDULE 13D

WK KELLOGG CO

Common Stock, par value $0.0001 · CUSIP: 92942W107

Event date: 2025-07-10

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

• Gordon GundReported CIK 0001188365

  Shares: 4,667,666 · Class: 5.4%

• George Gund fbo George Gund III #7 dated 12-31-40

  Shares: 374,250 · Class: 0.4%

• George Gund fbo Agnes Gund #8 Fund A dated 12-31-40

  Shares: 59,354 · Class: 0.1%

• George Gund fbo Agnes Gund #8 Fund B dated 12-31-40

  Shares: 59,354 · Class: 0.1%

• George Gund fbo Agnes Gund #8 Fund C dated 12-31-40

  Shares: 59,354 · Class: 0.1%

• George Gund fbo Agnes Gund #8 Fund D dated 12-31-40

  Shares: 59,354 · Class: 0.1%

• George Gund fbo Gordon Gund #9 dated 12-31-40

  Shares: 2,137,657 · Class: 2.5%

• George Gund fbo Graham De C Gund #10 dated 12-31-40

  Shares: 997,322 · Class: 1.2%

• George Gund fbo Geoffrey De C Gund #11 dated 6-8-42

  Shares: 786,862 · Class: 0.9%

• Agnes Gund #3 dated 11-21-68

  Shares: 2,923 · Class: 0.0%

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