Mark W Westphal Net Worth
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Mark W Westphal has an estimated net worth of at least $18.8 million*, as of Oct. 29, 2025. They own 197,756 shares of POST stock.
Mark W Westphal $POST SEC Form 4 Insider Trading
Mark W Westphal has filed a total of 0 insider trades in $POST since 2021. We estimate that they now own 197,756 shares of $POST, worth an estimated $18.8 million.
Insider Trading at $POST
There have been a total of 67 insider trades reported at $POST since 2021, with 251,540 shares purchased and 254,895 shares sold. The most active insider traders in $POST stock have been Nicolas Catoggio, Bradly A Harper, and Robert V Vitale. The most recent trade was a sale of 1,658 shares reported by BRADLY A HARPER (SVP, CHIEF ACCTING OFFICER), made on Dec 05, 2025.
History of Insider Stock Trades by Mark W Westphal
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
| No Trades Available | - | - | - | - |
$POST Executives and Stock Owners with Insider Trades
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Nicolas Catoggio, PRES & CEO, PCB
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Bradly A Harper, SVP, CHIEF ACCTING OFFICER
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Robert V Vitale, PRESIDENT & CEO
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Diedre J Gray, EVP, GC & CAO, SECY
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Jeff A Zadoks, EVP & COO
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.