Post Holdings, Inc. (POST)
NYSE · Grain Mill Products · Inc. MO
What they're doing
Between 2026-06-21 and 2026-09-19, public records show 3 signals for Post Holdings, Inc.. Most notable: 2026-08-07: Filed 8-K disclosing director or officer change; 2026-09-02: STIRITZ WILLIAM P (other) sold $23.4M of stock; 2026-09-01: STIRITZ WILLIAM P (other) sold $8.4M of stock. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.
Generated 2026-09-19 from public records.
Signals, last 12 months
- Large insider saleSTIRITZ WILLIAM P (other) sold $23.4M of stock
- Large insider saleSTIRITZ WILLIAM P (other) sold $8.4M of stock
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing director or officer change
- Large insider saleCATOGGIO NICOLAS (officer) sold $1.0M of stock
- Insider purchaseKEMPER DAVID W (director) bought $176k of stock
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing director or officer change
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-09-02 | STIRITZ WILLIAM P | other | S | 277,707 | 84.23 | $23,391,261 |
| 2026-09-02 | STIRITZ WILLIAM P | other | S | 228 | 85.01 | $19,382 |
| 2026-09-01 | STIRITZ WILLIAM P | other | S | 6,207 | 84.63 | $525,298 |
| 2026-09-01 | STIRITZ WILLIAM P | other | S | 99,990 | 83.54 | $8,353,165 |
| 2026-08-25 | Zadoks Jeff A | director | G | 26,215 | 0 | $0 |
| 2026-08-25 | Zadoks Jeff A | director | G | 26,215 | 0 | $0 |
| 2026-08-25 | Zadoks Jeff A | director | G | 122,740 | 0 | $0 |
| 2026-08-25 | Zadoks Jeff A | director | G | 122,740 | 0 | $0 |
| 2026-07-02 | Zadoks Jeff A | director | F | 2,544 | 90.94 | $231,351 |
| 2026-07-02 | Zadoks Jeff A | director | F | 3,867 | 90.94 | $351,665 |
| 2026-07-02 | Zadoks Jeff A | director | F | 3,551 | 90.94 | $322,928 |
| 2026-05-13 | CURL GREGORY L | director | S | 6,186 | 105.05 | $649,839 |
| 2026-05-13 | CURL GREGORY L | director | S | 6,186 | 105.05 | $649,839 |
| 2026-04-05 | Pearson Gregory Carl | officer | A | 5,914 | 0 | $0 |
| 2026-04-05 | Pearson Gregory Carl | officer | A | 2,571 | 0 | $0 |
| 2026-04-05 | Pearson Gregory Carl | officer | A | 5,914 | 0 | $0 |
| 2026-04-05 | Pearson Gregory Carl | officer | A | 2,571 | 0 | $0 |
| 2026-03-16 | Zadoks Jeff A | director | A | 1,700 | 0 | $0 |
| 2026-03-16 | Atkinson Michelle Marie | director | A | 1,700 | 0 | $0 |
| 2026-03-16 | Zadoks Jeff A | director | A | 1,700 | 0 | $0 |
| 2026-03-16 | Atkinson Michelle Marie | director | A | 1,700 | 0 | $0 |
| 2026-02-09 | CURL GREGORY L | director | S | 6,983 | 114.31 | $798,227 |
| 2026-02-09 | CURL GREGORY L | director | S | 6,983 | 114.31 | $798,221 |
| 2026-02-03 | SKARIE DAVID P | director | A | 1,600 | 0 | $0 |
| 2026-02-03 | JOHNSON JENNIFER KUPERMAN | director | A | 1,600 | 0 | $0 |
| 2026-02-03 | KEMPER DAVID W | director | A | 1,600 | 0 | $0 |
| 2026-02-03 | ERB THOMAS C | director | A | 1,600 | 0 | $0 |
| 2026-02-03 | CURL GREGORY L | director | A | 1,600 | 0 | $0 |
| 2026-02-03 | BURWELL DOROTHY M | director | A | 1,600 | 0 | $0 |
| 2026-02-03 | SKARIE DAVID P | director | A | 1,600 | 0 | $0 |
| 2026-02-03 | JOHNSON JENNIFER KUPERMAN | director | A | 1,600 | 0 | $0 |
| 2026-02-03 | KEMPER DAVID W | director | A | 1,600 | 0 | $0 |
| 2026-02-03 | ERB THOMAS C | director | A | 1,600 | 0 | $0 |
| 2026-02-03 | CURL GREGORY L | director | A | 1,600 | 0 | $0 |
| 2026-02-03 | BURWELL DOROTHY M | director | A | 1,600 | 0 | $0 |
| 2026-01-09 | HARPER BRADLY A | officer | F | 478 | 98.43 | $47,050 |
| 2026-01-09 | HARPER BRADLY A | officer | F | 478 | 98.43 | $47,050 |
| 2026-01-02 | Zadoks Jeff A | officer | F | 458 | 99.05 | $45,365 |
| 2026-01-02 | Zadoks Jeff A | officer | F | 301 | 99.05 | $29,814 |
| 2026-01-02 | Zadoks Jeff A | officer | F | 420 | 99.05 | $41,601 |
| 2026-01-02 | Zadoks Jeff A | officer | M | 9,731 | 0 | $0 |
| 2026-01-02 | Zadoks Jeff A | officer | F | 301 | 99.05 | $29,814 |
| 2026-01-02 | Zadoks Jeff A | officer | F | 420 | 99.05 | $41,601 |
| 2026-01-02 | Zadoks Jeff A | officer | M | 9,731 | 0 | $0 |
| 2026-01-02 | Zadoks Jeff A | officer | F | 458 | 99.05 | $45,365 |
| 2025-12-26 | GRAY DIEDRE J | officer | G | 131,187 | 0 | $0 |
| 2025-12-26 | GRAY DIEDRE J | officer | G | 131,187 | 0 | $0 |
| 2025-12-26 | GRAY DIEDRE J | officer | G | 131,187 | 0 | $0 |
| 2025-12-26 | GRAY DIEDRE J | officer | G | 131,187 | 0 | $0 |
| 2025-12-18 | STIRITZ WILLIAM P | other | D | 170,001 | 101.81 | $17,307,781 |
Federal contracts
24-month federal obligations: $0
- 2026-09-11 $0 · Department of Agriculture · COMMODITIES FOR USG FOOD DONATIONS: 2000011389/4100034626/EGG PATTY ROUND FRZ-CTN-25 LB
Lobbying
No federal lobbying filings on record for this client mapping.
Public attention
7-day average 109 views/day vs 90-day median 100.