Matthew J. Mainer's most recent trade in Post Holdings Inc was a trade of 600 Common Stock done . Disclosure was reported to the exchange on Dec. 4, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Gift of securities by or to the insider at price $ 0.00 per share. | 04 Dec 2025 | 600 | 74,670 (0%) | 0% | 0 | Common Stock | |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 104.03 per share. | 01 Dec 2025 | 269 | 75,270 (0%) | 0% | 104.0 | 27,984 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Nov 2025 | 17,338 | 67,416 (0%) | 0% | 0 | Common Stock | |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Nov 2025 | 8,123 | 75,539 (0%) | 0% | 0 | Common Stock | |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 106.34 per share. | 14 Nov 2025 | 1,249 | 51,015 (0%) | 0% | 106.3 | 132,819 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 106.70 per share. | 14 Nov 2025 | 937 | 50,078 (0%) | 0% | 106.7 | 99,978 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 12 Nov 2025 | 6,008 | 52,720 (0%) | 0% | 0 | Common Stock | |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 12 Nov 2025 | 6,008 | 0 | - | - | Restricted Stock Units | |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 12 Nov 2025 | 3,916 | 7,833 | - | - | Restricted Stock Units | |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 12 Nov 2025 | 3,916 | 53,989 (0%) | 0% | 0 | Common Stock | |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 106.02 per share. | 12 Nov 2025 | 2,647 | 50,073 (0%) | 0% | 106.0 | 280,635 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 106.02 per share. | 12 Nov 2025 | 1,725 | 52,264 (0%) | 0% | 106.0 | 182,885 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 22 Oct 2025 | 16,588 | 54,020 (0%) | 0% | 0 | Common Stock | |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 107.19 per share. | 22 Oct 2025 | 7,308 | 46,712 (0%) | 0% | 107.2 | 783,345 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Gift of securities by or to the insider at price $ 0.00 per share. | 05 Dec 2024 | 500 | 37,432 (0%) | 0% | 0 | Common Stock | |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 120.48 per share. | 01 Dec 2024 | 2,047 | 38,291 (0%) | 0% | 120.5 | 246,623 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 120.48 per share. | 01 Dec 2024 | 359 | 37,932 (0%) | 0% | 120.5 | 43,252 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 120.48 per share. | 01 Dec 2024 | 269 | 40,338 (0%) | 0% | 120.5 | 32,409 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 110.31 per share. | 20 Nov 2024 | 623 | 40,607 (0%) | 0% | 110.3 | 68,723 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 109.47 per share. | 14 Nov 2024 | 2,404 | 44,486 (0%) | 0% | 109.5 | 263,166 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 109.47 per share. | 14 Nov 2024 | 1,252 | 43,234 (0%) | 0% | 109.5 | 137,056 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 109.47 per share. | 14 Nov 2024 | 1,064 | 42,170 (0%) | 0% | 109.5 | 116,476 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 107.78 per share. | 14 Nov 2024 | 940 | 41,230 (0%) | 0% | 107.8 | 101,313 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Nov 2024 | 11,749 | 11,749 | - | - | Restricted Stock Units | |
| Post Holdings Inc | Matthew J. Mainer | EVP, CFO & TREASURER | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Nov 2024 | 6,008 | 6,008 | - | - | Restricted Stock Units | |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Oct 2024 | 6,326 | 49,683 (0%) | 0% | 0 | Common Stock | |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 115.21 per share. | 21 Oct 2024 | 2,793 | 46,890 (0%) | 0% | 115.2 | 321,782 | Common Stock |
| Post Holdings Inc | Matthew Mainer J. | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 85.53 per share. | 01 Dec 2023 | 2,054 | 44,762 (0%) | 0% | 85.5 | 175,679 | Common Stock |
| Post Holdings Inc | Mainer Matthew J. | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 85.53 per share. | 01 Dec 2023 | 775 | 43,357 (0%) | 0% | 85.5 | 66,286 | Common Stock |
| Post Holdings Inc | J. Mainer Matthew | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 85.53 per share. | 01 Dec 2023 | 360 | 44,402 (0%) | 0% | 85.5 | 30,791 | Common Stock |
| Post Holdings Inc | J. Matthew Mainer | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 85.53 per share. | 01 Dec 2023 | 270 | 44,132 (0%) | 0% | 85.5 | 23,093 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 86.17 per share. | 20 Nov 2023 | 626 | 47,233 (0%) | 0% | 86.2 | 53,942 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 86.17 per share. | 20 Nov 2023 | 417 | 46,816 (0%) | 0% | 86.2 | 35,933 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 86.17 per share. | 20 Nov 2023 | 308 | 47,859 (0%) | 0% | 86.2 | 26,540 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Nov 2023 | 8,502 | 41,256 (0%) | 0% | 0 | Common Stock | |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Nov 2023 | 5,445 | 46,701 (0%) | 0% | 0 | Common Stock | |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Nov 2023 | 2,408 | 49,109 (0%) | 0% | 0 | Common Stock | |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 85.50 per share. | 14 Nov 2023 | 942 | 48,167 (0%) | 0% | 85.5 | 80,541 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 88.09 per share. | 20 Aug 2023 | 170 | 32,754 (0%) | 0% | 88.1 | 14,975 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 94.09 per share. | 01 Dec 2022 | 2,070 | 33,287 (0%) | 0% | 94.1 | 194,766 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 94.09 per share. | 01 Dec 2022 | 781 | 35,629 (0%) | 0% | 94.1 | 73,484 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 94.09 per share. | 01 Dec 2022 | 363 | 32,924 (0%) | 0% | 94.1 | 34,155 | Common Stock |
| Post Holdings Inc | Matthew J. Mainer | SVP, CFO & TREASURER | Payment of exercise price or tax liability using portion of securities received from the company at price $ 94.09 per share. | 01 Dec 2022 | 272 | 35,357 (0%) | 0% | 94.1 | 25,592 | Common Stock |