Chief Accounting Officer
Post Holdings, Inc. (POST)Equibles does not estimate personal net worth.
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Get POST alertsMatthew J. Mainer is recorded as Chief Accounting Officer at Post Holdings, Inc. (POST) since October 13, 2026 and CFO at Post Holdings, Inc. (POST). The newest filing on record that lists Matthew J. Mainer as CFO at Post Holdings, Inc. (POST) is dated December 15, 2025. Post Holdings, Inc. reported in an 8-K filed October 16, 2026 that Matthew J. Mainer was appointed Interim Chief Accounting Officer and principal accounting officer, effective October 13, 2026. Post Holdings, Inc. reported in an 8-K filed November 18, 2022 that Matthew J. Mainer was appointed Senior Vice President, Chief Financial Officer and Treasurer, effective December 1, 2022. The proxy statement of Post Holdings, Inc. reports total compensation of $7,212,667 for Matthew J. Mainer in fiscal 2025, including a base salary of $664,167. Disclosed compensation is on record for 3 fiscal years. Post Holdings, Inc. is classified in the Packaged Foods industry within the Consumer Defensive sector. Other leadership on record at Post Holdings, Inc. includes Greg Pearson (CEO), Nicolas Catoggio (CEO), Robert V. Vitale (CEO, Chairman and Board Member) and 7 others.
“During Mr. Harper's leave of absence, Matthew J. Mainer, the Company's Executive Vice President, Chief Financial Officer and Treasurer, will serve as Interim Chief Accounting Officer and principal accounting officer.”
“In addition, on November 16, 2022, Post promoted Matthew J. Mainer, currently the Company's Senior Vice President and Treasurer, to Senior Vice President, Chief Financial Officer and Treasurer, effective on the Effective Date.”
2026-10-13–present
Start not stated–present
Last confirmed December 15, 2025
POST
Packaged Foods · Consumer Defensive
CFO, Chief Accounting Officer
2026-10-13–present
Compensation components disclosed in company proxy statements. Amounts are nominal USD; total is the company-reported figure.
| Fiscal year | Company | Role | Salary | Total |
|---|---|---|---|---|
| 2025 | Post Holdings, Inc. (POST) | EVP, CFO & Treasurer | $664,167 | $7,212,667 |
| 2024 | Post Holdings, Inc. (POST) | EVP, CFO & Treasurer | $479,187 | $3,497,506 |
| 2023 | Post Holdings, Inc. (POST) | EVP, CFO & Treasurer | $431,511 | $2,684,266 |
