Mark W. Westphal
PRES., FOODSERVICE · Post Holdings, Inc.
Individual
- 2024
- Nov 20, 2025
- 8
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark W. Westphal files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- William P. Stiritz - $32.29M in POST purchases and sales in the last 12 months
- Gregory L. Curl - $1.45M in POST purchases and sales in the last 12 months
- Nicolas Catoggio - $1.00M in POST purchases and sales in the last 12 months
- David W. Kemper - $176K in POST purchases and sales in the last 12 months
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Frequently asked questions
Who is Mark W. Westphal?
Mark W. Westphal is a corporate insider, tracked as PRES., FOODSERVICE of Post Holdings, Inc. (POST). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Mark W. Westphal last file a Form 4?
The most recent primary Form 4 on record is dated 20 November 2025, one of 8 filings going back to 2024.
