InsiderTrades

Form 4 for POST Post Holdings, Inc.

Accepted 2025-11-18 00:00:00 ET · period of report 2025-11-14 · accession 0001759632-25-000005 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DM 2025-11-18 2025-11-14+ POST HARPER BRADLY A SVP, Chief ACCTING Off F - Tax $106.48 -1,234 8,415 -13% -$131.4K
D 2025-11-18 2025-11-16 POST HARPER BRADLY A SVP, Chief ACCTING Off M - OptEx $0.00 +435 8,850 +5% $0
D 2025-11-18 2025-11-16 POST HARPER BRADLY A SVP, Chief ACCTING Off M - OptEx $0.00 -435 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-11-14 F D 743 $106.34 8,714 D — — (F1) Surrender of shares in payment of tax withholding due as a result of the vesting of 1,685 restricted stock units ("RSUs") in accordance with Rule 16b-3.
2 Common Common Stock 2025-11-16 M A 435 $0.00 8,850 D — —
3 Common Common Stock 2025-11-16 F D 192 $106.70 8,658 D — — (F3) Surrender of shares in payment of tax withholding due as a result of the vesting of 435 RSUs in accordance with Rule 16b-3.
4 Common Common Stock 2025-11-15 F D 299 $106.70 8,415 D — — (F2) Surrender of shares in payment of tax withholding due as a result of the vesting of 677 RSUs in accordance with Rule 16b-3.
5 Derivative Restricted Stock Units 2025-11-16 M D 435 $0.00 0 D — · — to — 435 Common Stock (F4) 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, which was subsequently amended and restated, in a transaction exempt under Rule 16b-3. (F5) One-fourth of the RSUs vested on each of the first, second, third and fourth anniversaries on the date of grant without any action on the part of the participant.