McKinstray David

SEC source: 0001193125-26-129060 · ownership.xml · nonDerivative · entry 2

McKinstray David · CIK 0001991898 · EVP, CFO, Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,984

F2 · shares: Represents a restricted stock unit ("RSUs") granted to the Reporting Person under the Issuer's 2018 Equity Incentive Plan (the "Plan"). The RSUs vest in one-third increments on each of the first three anniversaries of the grant date, subject to continued employment or as otherwise provided in the Plan or the applicable form of RSU Award Agreement.

SEC source: 0001193125-26-129060 · ownership.xml · nonDerivative · entry 1

McKinstray David · CIK 0001991898 · EVP, CFO, Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,142

F1 · shares: Represents performance-based restricted stock units ("PRSUs") granted to the Reporting Person under the Issuer's 2018 Equity Incentive Plan. Each PRSU represents the contingent right to receive one share of Common Stock. Subject to the terms of the award agreement evidencing the grant of the PRSUs, vesting of a percentage of the PRSUs (including up to 200%) is 60% dependent on the total shareholder return of Issuer from March 25, 2026 through March 25, 2029 relative to the total shareholder return of certain other companies over that same time period, and 40% dependent on the market share of single family completions of Issuer as of January 31, 2029, provided that the Reporting Person remains in continuous service with the Issuer through each vesting date.

SEC source: 0001193125-26-012938 · ownership.xml · nonDerivative · entry 1

McKinstray David · CIK 0001991898 · EVP, CFO, Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,300

F1 · shares: Represents restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's 2018 Equity Incentive Plan in connection with being named Executive Vice President, Chief Financial Officer, and Treasurer of the Issuer on January 12, 2026. Each RSU represents the contingent right to receive one share of Common Stock. Subject to the terms of the award agreement evidencing the grant of the RSUs, one third of the RSUs vests on each of the first three anniversaries of January 12, 2026, provided that the Reporting Person remains in continuous service with the Issuer through each vesting date.

SEC source: 0001193125-25-225620 · ownership.xml · derivative · entry 6

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,936 shares

Expires not disclosed

F4 · derivative.exercise_price: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each restricted stock unit ("RSU"), including all dividend equivalents accrued or credited with respect to such RSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted RSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such RSU. Each Converted RSU Cash Award will be paid on the applicable vesting date(s) that applied to the corresponding RSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F4 · kind: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each restricted stock unit ("RSU"), including all dividend equivalents accrued or credited with respect to such RSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted RSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such RSU. Each Converted RSU Cash Award will be paid on the applicable vesting date(s) that applied to the corresponding RSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F6 · shares: The reduction in the total number of dividend equivalent units ("DEUs") reported in the Form 4 filed by the Reporting Person on 12/17/2024 was inadvertently overstated by 356 DEUs. Accordingly, the total number of DEUs reported as disposed herein has been increased by 356 DEUs to correct the overstatement in such filing.

F4 · derivative.exercise_date: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each restricted stock unit ("RSU"), including all dividend equivalents accrued or credited with respect to such RSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted RSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such RSU. Each Converted RSU Cash Award will be paid on the applicable vesting date(s) that applied to the corresponding RSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F4 · derivative.expiration_date: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each restricted stock unit ("RSU"), including all dividend equivalents accrued or credited with respect to such RSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted RSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such RSU. Each Converted RSU Cash Award will be paid on the applicable vesting date(s) that applied to the corresponding RSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

SEC source: 0001193125-25-225620 · ownership.xml · derivative · entry 5

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 65,812 shares

Expires not disclosed

F5 · derivative.exercise_price: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each performance-based restricted stock unit ("PSU"), including all dividend equivalents accrued or credited with respect to such PSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted PSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such PSU determined assuming achievement at 140% of target performance. Each Converted PSU Cash Award will be paid at the end of the applicable performance period that applied to the corresponding PSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F5 · kind: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each performance-based restricted stock unit ("PSU"), including all dividend equivalents accrued or credited with respect to such PSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted PSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such PSU determined assuming achievement at 140% of target performance. Each Converted PSU Cash Award will be paid at the end of the applicable performance period that applied to the corresponding PSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F5 · derivative.exercise_date: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each performance-based restricted stock unit ("PSU"), including all dividend equivalents accrued or credited with respect to such PSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted PSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such PSU determined assuming achievement at 140% of target performance. Each Converted PSU Cash Award will be paid at the end of the applicable performance period that applied to the corresponding PSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F5 · derivative.expiration_date: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each performance-based restricted stock unit ("PSU"), including all dividend equivalents accrued or credited with respect to such PSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted PSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such PSU determined assuming achievement at 140% of target performance. Each Converted PSU Cash Award will be paid at the end of the applicable performance period that applied to the corresponding PSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

SEC source: 0001193125-25-225620 · ownership.xml · derivative · entry 4

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,812

Underlying: Common Stock · 65,812 shares

Expires not disclosed

F5 · derivative.exercise_price: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each performance-based restricted stock unit ("PSU"), including all dividend equivalents accrued or credited with respect to such PSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted PSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such PSU determined assuming achievement at 140% of target performance. Each Converted PSU Cash Award will be paid at the end of the applicable performance period that applied to the corresponding PSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F5 · kind: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each performance-based restricted stock unit ("PSU"), including all dividend equivalents accrued or credited with respect to such PSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted PSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such PSU determined assuming achievement at 140% of target performance. Each Converted PSU Cash Award will be paid at the end of the applicable performance period that applied to the corresponding PSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F5 · derivative.exercise_date: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each performance-based restricted stock unit ("PSU"), including all dividend equivalents accrued or credited with respect to such PSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted PSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such PSU determined assuming achievement at 140% of target performance. Each Converted PSU Cash Award will be paid at the end of the applicable performance period that applied to the corresponding PSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F5 · derivative.expiration_date: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each performance-based restricted stock unit ("PSU"), including all dividend equivalents accrued or credited with respect to such PSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted PSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such PSU determined assuming achievement at 140% of target performance. Each Converted PSU Cash Award will be paid at the end of the applicable performance period that applied to the corresponding PSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

SEC source: 0001193125-25-225620 · ownership.xml · derivative · entry 3

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 170,549 shares

Expires not disclosed

F4 · derivative.exercise_price: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each restricted stock unit ("RSU"), including all dividend equivalents accrued or credited with respect to such RSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted RSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such RSU. Each Converted RSU Cash Award will be paid on the applicable vesting date(s) that applied to the corresponding RSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F4 · kind: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each restricted stock unit ("RSU"), including all dividend equivalents accrued or credited with respect to such RSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted RSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such RSU. Each Converted RSU Cash Award will be paid on the applicable vesting date(s) that applied to the corresponding RSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F4 · derivative.exercise_date: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each restricted stock unit ("RSU"), including all dividend equivalents accrued or credited with respect to such RSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted RSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such RSU. Each Converted RSU Cash Award will be paid on the applicable vesting date(s) that applied to the corresponding RSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

F4 · derivative.expiration_date: Upon the terms and subject to the conditions set forth in the Merger Agreement, at the Effective Time, each restricted stock unit ("RSU"), including all dividend equivalents accrued or credited with respect to such RSU, that was outstanding and unvested as of immediately prior to the Effective Time was automatically cancelled and converted into the contingent right of the Reporting Person to receive an amount in cash (without interest and subject to applicable withholding taxes) (a "Converted RSU Cash Award") equal to (a) the Per Share Price multiplied by (b) the total number of shares of Common Stock subject to such RSU. Each Converted RSU Cash Award will be paid on the applicable vesting date(s) that applied to the corresponding RSU, subject to the Reporting Person's continued employment or service through such date or, if earlier, upon a qualifying termination of employment.

SEC source: 0001193125-25-225620 · ownership.xml · nonDerivative · entry 2

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By 401(k) Plan

Disclosed balance after: 0

F1 · kind: Pursuant to the Agreement and Plan of Merger, dated as of July 10, 2025 (the "Merger Agreement"), by and among the Issuer, Ferrero International S.A. ("Parent"), and Frosty Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving as a wholly owned indirect subsidiary of Parent. At the effective time of the Merger (the "Effective Time"), upon the terms and subject to the conditions set forth in the Merger Agreement, each share of common stock, par value $0.0001 per share ("Common Stock"), of the Issuer that was issued and outstanding as of immediately prior to the Effective Time was automatically cancelled, extinguished and converted into the right to receive $23.00 per share in cash, without interest thereon (the "Per Share Price").

F3 · shares: Represents shares of Common Stock indirectly held by the Reporting Person's account in the WK Kellogg Co Savings and Investment Plan immediately prior to the Effective Time.

SEC source: 0001193125-25-225620 · ownership.xml · nonDerivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · kind: Pursuant to the Agreement and Plan of Merger, dated as of July 10, 2025 (the "Merger Agreement"), by and among the Issuer, Ferrero International S.A. ("Parent"), and Frosty Merger Sub, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving as a wholly owned indirect subsidiary of Parent. At the effective time of the Merger (the "Effective Time"), upon the terms and subject to the conditions set forth in the Merger Agreement, each share of common stock, par value $0.0001 per share ("Common Stock"), of the Issuer that was issued and outstanding as of immediately prior to the Effective Time was automatically cancelled, extinguished and converted into the right to receive $23.00 per share in cash, without interest thereon (the "Per Share Price").

F2 · shares: Includes 4,009 shares of Common Stock acquired by the Reporting Person under the WK Kellogg Co 2023 Employee Stock Purchase Plan.

SEC source: 0001959348-25-000010 · wk-form4_1758063816.xml · derivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,580

Underlying: Common Stock · 1,194.18 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-25-031859 · wk-form4_1750192020.xml · derivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,385.82

Underlying: Common Stock · 1,731.92 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-25-013530 · wk-form4_1742332244.xml · derivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,653.9

Underlying: Common Stock · 1,346.72 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-25-006080 · wk-form4_1739914386.xml · derivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,072

Underlying: Common Stock · 33,131 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit (RSU) represents a contingent right to receive one share of the Common Stock of the Issuer.

F2 · derivative.exercise_date: The RSUs were granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The RSUs fully vest on February 13, 2028, which is the third anniversary of the Grant Date, subject to the Reporting Persons continued employment with the Issuer through such date.

F2 · derivative.expiration_date: The RSUs were granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The RSUs fully vest on February 13, 2028, which is the third anniversary of the Grant Date, subject to the Reporting Persons continued employment with the Issuer through such date.

SEC source: 0001628280-24-051779 · wk-form4_1734481034.xml · derivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,307.18

Underlying: Common Stock · 1,097.66 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F2 · balance_after: The number of DEUs previously reported as accrued on the RSUs previously granted to the Reporting Person was inadvertently overstated in the Form 4s filed by the Reporting Person on 3/19/2024, 6/18/2024 and 9/17/2024 (collectively, the Prior Filings). Accordingly, the total number of DEUs accrued to date on the RSUs has been reduced by an aggregate of 824.08 DEUs to correct the overstatements in the Prior Filings.

SEC source: 0001628280-24-040688 · wk-form4_1726614214.xml · derivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,033.6

Underlying: Common Stock · 1,497.18 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-24-028849 · wk-form4_1718744871.xml · derivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,536.42

Underlying: Common Stock · 1,529.66 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-24-012030 · wk-form4_1710898453.xml · derivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,006.76

Underlying: Common Stock · 1,617.72 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Represents dividend equivalent units (DEUs) accrued on restricted stock units (RSUs) previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-24-005751 · wk-form4_1708481490.xml · derivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,941

Underlying: Common Stock · 29,941 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit (RSU) represents a contingent right to receive one share of the Common Stock of the Issuer.

F2 · derivative.exercise_date: The RSUs were granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The RSUs fully vest on February 15, 2027, which is the third anniversary of the Grant Date, subject to the Reporting Persons continued employment with the Issuer through such date.

F2 · derivative.expiration_date: The RSUs were granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The RSUs fully vest on February 15, 2027, which is the third anniversary of the Grant Date, subject to the Reporting Persons continued employment with the Issuer through such date.

SEC source: 0000950170-23-071642 · ownership.xml · derivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,389.04

Underlying: Common Stock · 1,389.04 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.exercise_date: Represents dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

F1 · derivative.expiration_date: Represents dividend equivalent units ("DEUs") accrued on restricted stock units ("RSUs") previously granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The DEUs will vest on the same terms and conditions as the corresponding RSUs to which they relate. Each DEU represents the contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-23-064283 · ownership.xml · derivative · entry 4

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,150

Underlying: Common Stock · 90,150 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F4 · derivative.exercise_date: The RSUs were granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The RSUs fully vest on November 13, 2026, which is the third anniversary of the grant date, subject to the Reporting Person's continued employment with the Issuer through such date.

F4 · derivative.expiration_date: The RSUs were granted to the Reporting Person under the WK Kellogg Co 2023 Long-Term Incentive Plan. The RSUs fully vest on November 13, 2026, which is the third anniversary of the grant date, subject to the Reporting Person's continued employment with the Issuer through such date.

SEC source: 0000950170-23-064283 · ownership.xml · nonDerivative · entry 2

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,880

F2 · price: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple open market transactions at prices ranging from $10.73 to $10.74 per share, inclusive. The Reporting Person has provided to the Issuer, and undertakes to provide to any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

SEC source: 0000950170-23-064283 · ownership.xml · nonDerivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,040

F1 · price: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple open market transactions at prices ranging from $10.3892 to $10.835 per share, inclusive. The Reporting Person has provided to the Issuer, and undertakes to provide to any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth herein.

SEC source: 0000950170-23-052036 · ownership.xml · derivative · entry 3

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,327

Underlying: Common Stock · 17,327 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.

F3 · kind: The RSUs were granted upon conversion of certain outstanding time-based RSUs and performance-based RSU awards granted by Kellogg Company (including dividend equivalents from automatic reinvestment of dividends accrued thereon) and are subject to the same terms and conditions (including with respect to vesting and settlement) as were applicable to the corresponding Kellogg Company RSU award. The RSUs vest on February 16, 2026, which is the third anniversary of the grant date of the corresponding Kellogg Company RSU award.

F3 · derivative.exercise_date: The RSUs were granted upon conversion of certain outstanding time-based RSUs and performance-based RSU awards granted by Kellogg Company (including dividend equivalents from automatic reinvestment of dividends accrued thereon) and are subject to the same terms and conditions (including with respect to vesting and settlement) as were applicable to the corresponding Kellogg Company RSU award. The RSUs vest on February 16, 2026, which is the third anniversary of the grant date of the corresponding Kellogg Company RSU award.

F3 · derivative.expiration_date: The RSUs were granted upon conversion of certain outstanding time-based RSUs and performance-based RSU awards granted by Kellogg Company (including dividend equivalents from automatic reinvestment of dividends accrued thereon) and are subject to the same terms and conditions (including with respect to vesting and settlement) as were applicable to the corresponding Kellogg Company RSU award. The RSUs vest on February 16, 2026, which is the third anniversary of the grant date of the corresponding Kellogg Company RSU award.

SEC source: 0000950170-23-052036 · ownership.xml · nonDerivative · entry 2

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By 401(k) Plan

Disclosed balance after: 29

F1 · kind: Represents shares received by the Reporting Person as a result of the pro rata distribution by Kellogg Company of all outstanding shares of the Issuer's common stock to Kellogg Company's shareowners on October 2, 2023. These transactions are voluntarily reported herein by the Reporting Person notwithstanding the exemption provided by Rule 16a-9 under the Securities Exchange Act of 1934.

SEC source: 0000950170-23-052036 · ownership.xml · nonDerivative · entry 1

McKinstray David · CIK 0001991898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,165

F1 · kind: Represents shares received by the Reporting Person as a result of the pro rata distribution by Kellogg Company of all outstanding shares of the Issuer's common stock to Kellogg Company's shareowners on October 2, 2023. These transactions are voluntarily reported herein by the Reporting Person notwithstanding the exemption provided by Rule 16a-9 under the Securities Exchange Act of 1934.