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.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 4 legs across 1 filing by 1 insider — 384,132 shares, $32,289,106 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 31.
- Largest priced transaction: sale of 277,707 shares @ $84.23 ($23,391,261) by STIRITZ WILLIAM P, filed 2026-09-03.
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.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| STIRITZ WILLIAM P | 1 | — | 4 legs · 384,132 sh · $32,289,106 | — |
| Zadoks Jeff A — Director | 5 | — | — | 10 |
| Atkinson Michelle Marie — Director | 3 | — | — | 3 |
| BURWELL DOROTHY M — Director | 3 | — | — | 3 |
| CURL GREGORY L — Director | 3 | — | — | 3 |
| ERB THOMAS C — Director | 3 | — | — | 3 |
| JOHNSON JENNIFER KUPERMAN — Director | 3 | — | — | 3 |
| KEMPER DAVID W — Director | 3 | — | — | 3 |
| SKARIE DAVID P — Director | 3 | — | — | 3 |
Recent Form 4 filings — Post Holdings, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-03 | 4 | STIRITZ WILLIAM P | Sale (S): 99,990 @ $83.54 · Sale (S): 6,207 @ $84.63 · Sale (S): 277,707 @ $84.23 · Sale (S): 228 @ $85.01 | EDGAR |
| 2026-09-02 | 4 | Atkinson Michelle Marie — Director | Grant/award (A): 133.29 (derivative) @ $83.36 | EDGAR |
| 2026-09-02 | 4 | KEMPER DAVID W — Director | Grant/award (A): 206.59 (derivative) @ $83.36 | EDGAR |
| 2026-09-02 | 4 | JOHNSON JENNIFER KUPERMAN — Director | Grant/award (A): 133.29 (derivative) @ $83.36 | EDGAR |
| 2026-09-02 | 4 | SKARIE DAVID P — Director | Grant/award (A): 159.94 (derivative) @ $83.36 | EDGAR |
| 2026-09-02 | 4 | Zadoks Jeff A — Director | Grant/award (A): 133.29 (derivative) @ $83.36 | EDGAR |
| 2026-09-02 | 4 | BURWELL DOROTHY M — Director | Grant/award (A): 133.29 (derivative) @ $83.36 | EDGAR |
| 2026-09-02 | 4 | CURL GREGORY L — Director | Grant/award (A): 133.29 (derivative) @ $83.36 | EDGAR |
| 2026-09-02 | 4 | ERB THOMAS C — Director | Grant/award (A): 133.29 (derivative) @ $83.36 | EDGAR |
| 2026-08-27 | 4 | Zadoks Jeff A — Director | Gift (G): 26,215 @ $0 · Gift (G): 26,215 @ $0 · Gift (G): 122,740 @ $0 · Gift (G): 122,740 @ $0 | EDGAR |
| 2026-08-04 | 4 | SKARIE DAVID P — Director | Grant/award (A): 145.86 (derivative) @ $91.41 | EDGAR |
| 2026-08-04 | 4 | Zadoks Jeff A — Director | Grant/award (A): 121.55 (derivative) @ $91.41 | EDGAR |
| 2026-08-04 | 4 | KEMPER DAVID W — Director | Grant/award (A): 188.40 (derivative) @ $91.41 | EDGAR |
| 2026-08-04 | 4 | JOHNSON JENNIFER KUPERMAN — Director | Grant/award (A): 121.55 (derivative) @ $91.41 | EDGAR |
| 2026-08-04 | 4 | BURWELL DOROTHY M — Director | Grant/award (A): 121.55 (derivative) @ $91.41 | EDGAR |
| 2026-08-04 | 4 | CURL GREGORY L — Director | Grant/award (A): 121.55 (derivative) @ $91.41 | EDGAR |
| 2026-08-04 | 4 | ERB THOMAS C — Director | Grant/award (A): 121.55 (derivative) @ $91.41 | EDGAR |
| 2026-08-04 | 4 | Atkinson Michelle Marie — Director | Grant/award (A): 121.55 (derivative) @ $91.41 | EDGAR |
| 2026-07-07 | 4 | Zadoks Jeff A — Director | Tax withholding (F): 2,544 @ $90.94 · Tax withholding (F): 3,867 @ $90.94 · Tax withholding (F): 3,551 @ $90.94 | EDGAR |
| 2026-07-02 | 4 | Atkinson Michelle Marie — Director | Grant/award (A): 125.89 (derivative) @ $88.26 | EDGAR |
| 2026-07-02 | 4 | ERB THOMAS C — Director | Grant/award (A): 125.89 (derivative) @ $88.26 | EDGAR |
| 2026-07-02 | 4 | BURWELL DOROTHY M — Director | Grant/award (A): 125.89 (derivative) @ $88.26 | EDGAR |
| 2026-07-02 | 4 | JOHNSON JENNIFER KUPERMAN — Director | Grant/award (A): 125.89 (derivative) @ $88.26 | EDGAR |
| 2026-07-02 | 4 | KEMPER DAVID W — Director | Grant/award (A): 195.13 (derivative) @ $88.26 | EDGAR |
| 2026-07-02 | 4 | Zadoks Jeff A — Director | Grant/award (A): 125.89 (derivative) @ $88.26 | EDGAR |
| 2026-07-02 | 4 | CURL GREGORY L — Director | Grant/award (A): 125.89 (derivative) @ $88.26 | EDGAR |
| 2026-07-02 | 4 | SKARIE DAVID P — Director | Grant/award (A): 151.06 (derivative) @ $88.26 | EDGAR |
| 2026-06-02 | 4 | Atkinson Michelle Marie — Director | Grant/award (A): 120.98 (derivative) @ $91.84 | EDGAR |
| 2026-06-02 | 4 | ERB THOMAS C — Director | Grant/award (A): 120.98 (derivative) @ $91.84 | EDGAR |
| 2026-06-02 | 4 | BURWELL DOROTHY M — Director | Grant/award (A): 120.98 (derivative) @ $91.84 | EDGAR |
| 2026-06-02 | 4 | JOHNSON JENNIFER KUPERMAN — Director | Grant/award (A): 120.98 (derivative) @ $91.84 | EDGAR |
| 2026-06-02 | 4 | KEMPER DAVID W — Director | Grant/award (A): 187.52 (derivative) @ $91.84 | EDGAR |
| 2026-06-02 | 4 | Zadoks Jeff A — Director | Grant/award (A): 120.98 (derivative) @ $91.84 | EDGAR |
| 2026-06-02 | 4 | CURL GREGORY L — Director | Grant/award (A): 120.98 (derivative) @ $91.84 | EDGAR |
| 2026-06-02 | 4 | SKARIE DAVID P — Director | Grant/award (A): 145.18 (derivative) @ $91.84 | EDGAR |
| 2026-05-14 | 4 | CURL GREGORY L — Director | Sale (S): 6,186 @ $105.05 | EDGAR |
| 2026-05-04 | 4 | Atkinson Michelle Marie — Director | Grant/award (A): 106.07 (derivative) @ $104.75 | EDGAR |
| 2026-05-04 | 4 | ERB THOMAS C — Director | Grant/award (A): 106.07 (derivative) @ $104.75 | EDGAR |
| 2026-05-04 | 4 | BURWELL DOROTHY M — Director | Grant/award (A): 106.07 (derivative) @ $104.75 | EDGAR |
| 2026-05-04 | 4 | JOHNSON JENNIFER KUPERMAN — Director | Grant/award (A): 106.07 (derivative) @ $104.75 | EDGAR |
| 2026-05-04 | 4 | KEMPER DAVID W — Director | Grant/award (A): 164.41 (derivative) @ $104.75 | EDGAR |
| 2026-05-04 | 4 | Zadoks Jeff A — Director | Grant/award (A): 106.07 (derivative) @ $104.75 | EDGAR |
| 2026-05-04 | 4 | CURL GREGORY L — Director | Grant/award (A): 106.07 (derivative) @ $104.75 | EDGAR |
| 2026-05-04 | 4 | SKARIE DAVID P — Director | Grant/award (A): 127.28 (derivative) @ $104.75 | EDGAR |
| 2026-04-06 | 4 | Pearson Gregory Carl — PRES & CEO, PCB | Grant/award (A): 5,914 @ $0 · Grant/award (A): 2,571 @ $0 | EDGAR |
| 2026-04-02 | 4 | JOHNSON JENNIFER KUPERMAN — Director | Grant/award (A): 112.39 (derivative) @ $98.86 | EDGAR |
| 2026-04-02 | 4 | KEMPER DAVID W — Director | Grant/award (A): 174.20 (derivative) @ $98.86 | EDGAR |
| 2026-04-02 | 4 | Zadoks Jeff A — Director | Grant/award (A): 61.63 (derivative) @ $98.86 | EDGAR |
| 2026-04-02 | 4 | CURL GREGORY L — Director | Grant/award (A): 112.39 (derivative) @ $98.86 | EDGAR |
| 2026-04-02 | 4 | SKARIE DAVID P — Director | Grant/award (A): 134.87 (derivative) @ $98.86 | EDGAR |
Recent 8-K events — Post Holdings, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-07 | 8-K/A | 5.02 — 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 |
| 2026-08-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-07 | 8-K | 2.02 — 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 |
| 2026-03-13 | 8-K | 2.03 — 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 |
| 2026-03-04 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-04 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-05 | 8-K | 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 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-05 | 8-K | 2.02 — 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 |
| 2026-02-04 | 8-K | 3.03 — 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 |
| 2025-12-19 | 8-K | 2.03 — 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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