GRAY DIEDRE J

SEC source: 0001557413-25-000016 · wk-form4_1767045974.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Indirect · By SLAT (Spouse)

Disclosed balance after: 131,187

SEC source: 0001557413-25-000016 · wk-form4_1767045974.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 33,716

SEC source: 0001530950-25-000279 · wk-form4_1764711625.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 164,903

F1 · kind: The transfer of shares to the Reporting Person's revocable living trust resulted in a decrease in the number of shares the Reporting Person beneficially owns directly and a corresponding increase in the number of shares the Reporting Person beneficially owns indirectly through the trust. The Reporting Person believes that the transfer of shares to the trust constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001530950-25-000279 · wk-form4_1764711625.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,886

F1 · kind: The transfer of shares to the Reporting Person's revocable living trust resulted in a decrease in the number of shares the Reporting Person beneficially owns directly and a corresponding increase in the number of shares the Reporting Person beneficially owns indirectly through the trust. The Reporting Person believes that the transfer of shares to the trust constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001557413-25-000012 · wk-form4_1763677227.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,860

F2 · shares: Each RSU represents a contingent right to receive one share of Post common stock. The RSUs were granted under the A&R 2021 LTIP in a transaction exempt under Rule 16b-3 and vest in full on the first anniversary of the date of grant, subject to the terms of the award agreement.

SEC source: 0001557413-25-000012 · wk-form4_1763677227.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,737

F1 · shares: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Post Holdings, Inc. ("Post") common stock. The RSUs were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan (the "A&R 2021 LTIP") in a transaction exempt under Rule 16b-3 and vest in equal annual increments over three years, subject to the terms of the award agreement.

SEC source: 0001557413-25-000010 · wk-form4_1763503533.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,633

F2 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 6,007 RSUs in accordance with Rule 16b-3.

SEC source: 0001557413-25-000010 · wk-form4_1763503533.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,280

F1 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 6,659 restricted stock units ("RSUs") in accordance with Rule 16b-3.

SEC source: 0001557413-25-000008 · wk-form4_1763156153.xml · derivative · entry 8

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,846

Underlying: Common Stock · 5,422 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Post Holdings, Inc. common stock. The RSUs were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3.

F5 · derivative.exercise_date: One-third of the RSUs vest on each of the first, second and third anniversaries of the date of grant without any action on the part of the participant, subject to the terms of the applicable award agreement.

F5 · derivative.expiration_date: One-third of the RSUs vest on each of the first, second and third anniversaries of the date of grant without any action on the part of the participant, subject to the terms of the applicable award agreement.

SEC source: 0001557413-25-000008 · wk-form4_1763156153.xml · derivative · entry 7

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,300 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Post Holdings, Inc. common stock. The RSUs were granted under the Post Holdings, Inc. Amended and Restated 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3.

F4 · derivative.exercise_date: The RSUs vested on the first anniversary of the date of grant without any action on the part of the participant.

F4 · derivative.expiration_date: The RSUs vested on the first anniversary of the date of grant without any action on the part of the participant.

SEC source: 0001557413-25-000008 · wk-form4_1763156153.xml · nonDerivative · entry 4

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,214

F2 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 5,422 RSUs in accordance with Rule 16b-3.

SEC source: 0001557413-25-000008 · wk-form4_1763156153.xml · nonDerivative · entry 3

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,603

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001557413-25-000008 · wk-form4_1763156153.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,181

F1 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 8,300 restricted stock units ("RSUs") in accordance with Rule 16b-3.

SEC source: 0001557413-25-000008 · wk-form4_1763156153.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,838

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001557413-25-000006 · wk-form4_1761338576.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,538

F2 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 46,852 PRSUs in accordance with Rule 16b-3.

SEC source: 0001557413-25-000006 · wk-form4_1761338576.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,177

F1 · shares: Acquisition of shares pursuant to Rule 16b-3 upon payout of earned performance share award ("PRSUs") under a shareholder approved equity plan. The payout was based on the level of achievement of the performance goal of relative total shareholder return percentile rank for the performance period October 1, 2022 through September 30, 2025.

SEC source: 0001557413-25-000004 · wk-form4_1756933390.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 123,929

SEC source: 0001530950-25-000085 · wk-form4_1740520970.xml · derivative · entry 5

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,157 shares

Expires 2028-11-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The option to purchase shares of common stock was awarded under the Post Holdings, Inc. 2016 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vested in equal increments over three years from the date of grant.

SEC source: 0001530950-25-000085 · wk-form4_1740520970.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,325

F1 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.35 to $116.03 per share. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001530950-25-000085 · wk-form4_1740520970.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,482

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001530950-24-000406 · wk-form4_1732743302.xml · nonDerivative · entry 4

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse's Trust

Disclosed balance after: 45,839

SEC source: 0001530950-24-000406 · wk-form4_1732743302.xml · nonDerivative · entry 3

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,325

SEC source: 0001530950-24-000406 · wk-form4_1732743302.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 125,054

F1 · kind: The transfer of shares to the Reporting Person's revocable living trust resulted in a decrease in the number of shares the Reporting Person beneficially owns directly and a corresponding increase in the number of shares the Reporting Person beneficially owns indirectly through the trust. The Reporting Person believes that the transfer of shares to the trust constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001530950-24-000406 · wk-form4_1732743302.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,164

F1 · kind: The transfer of shares to the Reporting Person's revocable living trust resulted in a decrease in the number of shares the Reporting Person beneficially owns directly and a corresponding increase in the number of shares the Reporting Person beneficially owns indirectly through the trust. The Reporting Person believes that the transfer of shares to the trust constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001530950-24-000390 · wk-form4_1732052614.xml · derivative · entry 3

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,606 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Post Holdings, Inc. common stock. The RSUs were granted under the Post Holdings, Inc. 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3.

F3 · derivative.exercise_date: One-third of the RSUs vest on each of the first, second and third anniversaries of the date of grant without any action on the part of the participant.

F3 · derivative.expiration_date: One-third of the RSUs vest on each of the first, second and third anniversaries of the date of grant without any action on the part of the participant.

SEC source: 0001530950-24-000390 · wk-form4_1732052614.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,218

F1 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 6,606 restricted stock units (RSUs) in accordance with Rule 16b-3.

SEC source: 0001530950-24-000390 · wk-form4_1732052614.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 193,135

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001530950-24-000377 · wk-form4_1731966500.xml · nonDerivative · entry 4

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,529

F4 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 6,007 RSUs in accordance with Rule 16b-3.

SEC source: 0001530950-24-000377 · wk-form4_1731966500.xml · nonDerivative · entry 3

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 189,182

F3 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 3,461 RSUs in accordance with Rule 16b-3.

SEC source: 0001530950-24-000377 · wk-form4_1731966500.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,711

F2 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 7,825 RSUs in accordance with Rule 16b-3.

SEC source: 0001530950-24-000377 · wk-form4_1731966500.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 194,166

F1 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 6,658 restricted stock units (RSUs) in accordance with Rule 16b-3.

SEC source: 0001530950-24-000356 · wk-form4_1731623089.xml · derivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,300

Underlying: Common Stock · 8,300 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Post Holdings, Inc. ("Post") common stock or a cash payment or other consideration, in each case, based on the fair market value of Post's common stock on the applicable vesting date, in the discretion of the Corporate Governance and Compensation Committee (the "CGCC") of Post's Board of Directors (the "Board"), without any action on the part of the participant. The RSUs were granted by the CGCC on November 12, 2024 under the Amended and Restated Post Holdings, Inc. 2021 Long-Term Incentive Plan (the "A&R 2021 Plan"), subject to the Board approving the A&R 2021 Plan, which occurred on November 13, 2024, in a transaction exempt under Rule 16b-3.

F2 · date: The RSUs were granted by the CGCC on November 12, 2024, subject to the Board approving the A&R 2021 Plan, which occurred on November 13, 2024.

F4 · derivative.exercise_date: The RSUs vest on the first anniversary of November 12, 2024 without any action on the part of the participant, subject to the terms of the applicable award agreement.

F4 · derivative.expiration_date: The RSUs vest on the first anniversary of November 12, 2024 without any action on the part of the participant, subject to the terms of the applicable award agreement.

SEC source: 0001530950-24-000356 · wk-form4_1731623089.xml · derivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,268

Underlying: Common Stock · 16,268 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Post Holdings, Inc. ("Post") common stock or a cash payment or other consideration, in each case, based on the fair market value of Post's common stock on the applicable vesting date, in the discretion of the Corporate Governance and Compensation Committee (the "CGCC") of Post's Board of Directors (the "Board"), without any action on the part of the participant. The RSUs were granted by the CGCC on November 12, 2024 under the Amended and Restated Post Holdings, Inc. 2021 Long-Term Incentive Plan (the "A&R 2021 Plan"), subject to the Board approving the A&R 2021 Plan, which occurred on November 13, 2024, in a transaction exempt under Rule 16b-3.

F2 · date: The RSUs were granted by the CGCC on November 12, 2024, subject to the Board approving the A&R 2021 Plan, which occurred on November 13, 2024.

F3 · derivative.exercise_date: One-third of the RSUs vest on each of the first, second and third anniversaries of November 12, 2024 without any action on the part of the participant, subject to the terms of the applicable award agreement.

F3 · derivative.expiration_date: One-third of the RSUs vest on each of the first, second and third anniversaries of November 12, 2024 without any action on the part of the participant, subject to the terms of the applicable award agreement.

SEC source: 0001530950-24-000319 · wk-form4_1729716706.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 197,106

F2 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 51,525 PRSUs in accordance with Rule 16b-3.

SEC source: 0001530950-24-000319 · wk-form4_1729716706.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 219,855

F1 · shares: Acquisition of shares pursuant to Rule 16b-3 upon payout of earned performance share award (PRSUs) under a shareholder approved equity plan. The payout was based on the level of achievement of the performance goal of relative total shareholder return percentile rank for the performance period October 1, 2021 through September 30, 2024.

SEC source: 0001530950-24-000258 · wk-form4_1724362449.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 168,330

F1 · kind: The withdrawal of shares from the trust resulted in a decrease in the number of shares the reporting person beneficially owns indirectly through the trust and a corresponding increase in the number of shares the reporting person beneficially owns directly. The reporting person believes that the withdrawal of shares from the trust constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001530950-24-000258 · wk-form4_1724362449.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 0

F1 · kind: The withdrawal of shares from the trust resulted in a decrease in the number of shares the reporting person beneficially owns indirectly through the trust and a corresponding increase in the number of shares the reporting person beneficially owns directly. The reporting person believes that the withdrawal of shares from the trust constitutes a change in form of beneficial ownership of the shares, exempted by Rule 16a-13 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001530950-24-000250 · wk-form4_1723839420.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 50,898

SEC source: 0001530950-24-000176 · wk-form4_1718745801.xml · derivative · entry 4

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,745 shares

Expires 2024-06-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive a cash payment based on the greater of the fair market value of Post's common stock on the applicable vesting date or the value on the date of grant without any action on the part of the participant.

F2 · derivative.exercise_date: 20% of the restricted stock units vested on the date that was six years after the date of grant and an additional 20% of the restricted stock units vested on each annual anniversary thereafter up to the tenth anniversary of the date of grant subject to the Reporting Person's continued employment through such date.

SEC source: 0001530950-24-000176 · wk-form4_1718745801.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,432

F1 · shares: Each restricted stock unit represents a contingent right to receive a cash payment based on the greater of the fair market value of Post's common stock on the applicable vesting date or the value on the date of grant without any action on the part of the participant.

SEC source: 0001530950-24-000176 · wk-form4_1718745801.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,177

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001530950-24-000070 · wk-form4_1707866857.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 51,073

F1 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.50 to $104.59 per share. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001530950-23-000374 · wk-form4_1700607599.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 58,370

SEC source: 0001530950-23-000365 · wk-form4_1700515305.xml · nonDerivative · entry 3

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,826

F3 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 6,582 RSUs in accordance with Rule 16b-3.

SEC source: 0001530950-23-000365 · wk-form4_1700515305.xml · nonDerivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,742

F2 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 21,695 RSUs in accordance with Rule 16b-3.

SEC source: 0001530950-23-000365 · wk-form4_1700515305.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,353

F1 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 6,606 RSUs in accordance with Rule 16b-3.

SEC source: 0001530950-23-000391 · wk-form4a_1701379653.xml · derivative · entry 2

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,606

Underlying: Common Stock · 6,606 shares

Expires 2031-11-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Post Holdings, Inc. common stock. The RSUs were granted under the Post Holdings, Inc. 2021 Long-Term Incentive Plan in a transaction exempt under Rule 16b-3 and vest in equal annual increments over three years.

F2 · derivative.exercise_date: One-third of the RSUs vest on each of the first, second, and third anniversaries of the date of grant.

SEC source: 0001530950-23-000391 · wk-form4a_1701379653.xml · nonDerivative · entry 1

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,976

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001530950-23-000336 · wk-form4_1700170027.xml · nonDerivative · entry 5

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126,280

F4 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 6,887 RSUs in accordance with Rule 16b-3.

SEC source: 0001530950-23-000336 · wk-form4_1700170027.xml · nonDerivative · entry 4

GRAY DIEDRE J · CIK 0001557413 · EVP, GC & CAO, SECY

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,331

F3 · shares: Surrender of shares in payment of tax withholding due as a result of the vesting of 6,006 RSUs in accordance with Rule 16b-3.