POST insider transaction filings

Post Holdings, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-03. Screen POST transaction legs live →

Insider transaction summary — last 90 days

2026-06-24 to 2026-09-22, from the filings listed below: 27 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By insider — same window

Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

InsiderFilingsPurchases (P)Sales (S)Other legs
STIRITZ WILLIAM P14 legs · 384,132 sh · $32,289,106
Zadoks Jeff A — Director510
Atkinson Michelle Marie — Director33
BURWELL DOROTHY M — Director33
CURL GREGORY L — Director33
ERB THOMAS C — Director33
JOHNSON JENNIFER KUPERMAN — Director33
KEMPER DAVID W — Director33
SKARIE DAVID P — Director33

Recent Form 4 filings — Post Holdings, Inc.

FiledFormInsiderReported transactionsSource
2026-09-034STIRITZ WILLIAM PSale (S): 99,990 @ $83.54 · Sale (S): 6,207 @ $84.63 · Sale (S): 277,707 @ $84.23 · Sale (S): 228 @ $85.01EDGAR
2026-09-024Atkinson Michelle Marie — DirectorGrant/award (A): 133.29 (derivative) @ $83.36EDGAR
2026-09-024KEMPER DAVID W — DirectorGrant/award (A): 206.59 (derivative) @ $83.36EDGAR
2026-09-024JOHNSON JENNIFER KUPERMAN — DirectorGrant/award (A): 133.29 (derivative) @ $83.36EDGAR
2026-09-024SKARIE DAVID P — DirectorGrant/award (A): 159.94 (derivative) @ $83.36EDGAR
2026-09-024Zadoks Jeff A — DirectorGrant/award (A): 133.29 (derivative) @ $83.36EDGAR
2026-09-024BURWELL DOROTHY M — DirectorGrant/award (A): 133.29 (derivative) @ $83.36EDGAR
2026-09-024CURL GREGORY L — DirectorGrant/award (A): 133.29 (derivative) @ $83.36EDGAR
2026-09-024ERB THOMAS C — DirectorGrant/award (A): 133.29 (derivative) @ $83.36EDGAR
2026-08-274Zadoks Jeff A — DirectorGift (G): 26,215 @ $0 · Gift (G): 26,215 @ $0 · Gift (G): 122,740 @ $0 · Gift (G): 122,740 @ $0EDGAR
2026-08-044SKARIE DAVID P — DirectorGrant/award (A): 145.86 (derivative) @ $91.41EDGAR
2026-08-044Zadoks Jeff A — DirectorGrant/award (A): 121.55 (derivative) @ $91.41EDGAR
2026-08-044KEMPER DAVID W — DirectorGrant/award (A): 188.40 (derivative) @ $91.41EDGAR
2026-08-044JOHNSON JENNIFER KUPERMAN — DirectorGrant/award (A): 121.55 (derivative) @ $91.41EDGAR
2026-08-044BURWELL DOROTHY M — DirectorGrant/award (A): 121.55 (derivative) @ $91.41EDGAR
2026-08-044CURL GREGORY L — DirectorGrant/award (A): 121.55 (derivative) @ $91.41EDGAR
2026-08-044ERB THOMAS C — DirectorGrant/award (A): 121.55 (derivative) @ $91.41EDGAR
2026-08-044Atkinson Michelle Marie — DirectorGrant/award (A): 121.55 (derivative) @ $91.41EDGAR
2026-07-074Zadoks Jeff A — DirectorTax withholding (F): 2,544 @ $90.94 · Tax withholding (F): 3,867 @ $90.94 · Tax withholding (F): 3,551 @ $90.94EDGAR
2026-07-024Atkinson Michelle Marie — DirectorGrant/award (A): 125.89 (derivative) @ $88.26EDGAR
2026-07-024ERB THOMAS C — DirectorGrant/award (A): 125.89 (derivative) @ $88.26EDGAR
2026-07-024BURWELL DOROTHY M — DirectorGrant/award (A): 125.89 (derivative) @ $88.26EDGAR
2026-07-024JOHNSON JENNIFER KUPERMAN — DirectorGrant/award (A): 125.89 (derivative) @ $88.26EDGAR
2026-07-024KEMPER DAVID W — DirectorGrant/award (A): 195.13 (derivative) @ $88.26EDGAR
2026-07-024Zadoks Jeff A — DirectorGrant/award (A): 125.89 (derivative) @ $88.26EDGAR
2026-07-024CURL GREGORY L — DirectorGrant/award (A): 125.89 (derivative) @ $88.26EDGAR
2026-07-024SKARIE DAVID P — DirectorGrant/award (A): 151.06 (derivative) @ $88.26EDGAR
2026-06-024Atkinson Michelle Marie — DirectorGrant/award (A): 120.98 (derivative) @ $91.84EDGAR
2026-06-024ERB THOMAS C — DirectorGrant/award (A): 120.98 (derivative) @ $91.84EDGAR
2026-06-024BURWELL DOROTHY M — DirectorGrant/award (A): 120.98 (derivative) @ $91.84EDGAR
2026-06-024JOHNSON JENNIFER KUPERMAN — DirectorGrant/award (A): 120.98 (derivative) @ $91.84EDGAR
2026-06-024KEMPER DAVID W — DirectorGrant/award (A): 187.52 (derivative) @ $91.84EDGAR
2026-06-024Zadoks Jeff A — DirectorGrant/award (A): 120.98 (derivative) @ $91.84EDGAR
2026-06-024CURL GREGORY L — DirectorGrant/award (A): 120.98 (derivative) @ $91.84EDGAR
2026-06-024SKARIE DAVID P — DirectorGrant/award (A): 145.18 (derivative) @ $91.84EDGAR
2026-05-144CURL GREGORY L — DirectorSale (S): 6,186 @ $105.05EDGAR
2026-05-044Atkinson Michelle Marie — DirectorGrant/award (A): 106.07 (derivative) @ $104.75EDGAR
2026-05-044ERB THOMAS C — DirectorGrant/award (A): 106.07 (derivative) @ $104.75EDGAR
2026-05-044BURWELL DOROTHY M — DirectorGrant/award (A): 106.07 (derivative) @ $104.75EDGAR
2026-05-044JOHNSON JENNIFER KUPERMAN — DirectorGrant/award (A): 106.07 (derivative) @ $104.75EDGAR
2026-05-044KEMPER DAVID W — DirectorGrant/award (A): 164.41 (derivative) @ $104.75EDGAR
2026-05-044Zadoks Jeff A — DirectorGrant/award (A): 106.07 (derivative) @ $104.75EDGAR
2026-05-044CURL GREGORY L — DirectorGrant/award (A): 106.07 (derivative) @ $104.75EDGAR
2026-05-044SKARIE DAVID P — DirectorGrant/award (A): 127.28 (derivative) @ $104.75EDGAR
2026-04-064Pearson Gregory Carl — PRES & CEO, PCBGrant/award (A): 5,914 @ $0 · Grant/award (A): 2,571 @ $0EDGAR
2026-04-024JOHNSON JENNIFER KUPERMAN — DirectorGrant/award (A): 112.39 (derivative) @ $98.86EDGAR
2026-04-024KEMPER DAVID W — DirectorGrant/award (A): 174.20 (derivative) @ $98.86EDGAR
2026-04-024Zadoks Jeff A — DirectorGrant/award (A): 61.63 (derivative) @ $98.86EDGAR
2026-04-024CURL GREGORY L — DirectorGrant/award (A): 112.39 (derivative) @ $98.86EDGAR
2026-04-024SKARIE DAVID P — DirectorGrant/award (A): 134.87 (derivative) @ $98.86EDGAR

Recent 8-K events — Post Holdings, Inc.

FiledFormItems reportedSource
2026-08-078-K/A5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2026-08-068-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-078-K2.02 — Results of Operations and Financial Condition
5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
7.01 — Regulation FD Disclosure
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-138-K2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-048-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-048-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-058-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-058-K2.02 — Results of Operations and Financial Condition
5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-048-K3.03 — Material Modification to Rights of Security Holders
5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits
EDGAR
2025-12-198-K2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
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