SCHEDULE 13D/A

KELLOGG CO

Common Stock, $0.25 par value · CUSIP: 487836108

Event date: 2025-12-11

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

• Gordon GundReported CIK 0001188365

  Shares: 0 · Class: 0.00%

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

  Shares: 0 · Class: 0.00%

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

  Shares: 0 · Class: 0.00%

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

  Shares: 0 · Class: 0.00%

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

  Shares: 0 · Class: 0.00%

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

  Shares: 0 · Class: 0.00%

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

  Shares: 0 · Class: 0.00%

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

  Shares: 0 · Class: 0.00%

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

  Shares: 0 · Class: 0.00%

• Agnes Gund #3 dated 11-21-68

  Shares: 0 · Class: 0.00%

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