Insiders who reported open-market trades in the last 12 months at the companies David W. Kemper 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
John W. Kemper - $1.62M in CBSH purchases and sales in the last 12 months
Gregory L. Curl - $1.45M in POST purchases and sales in the last 12 months
Charles G. Kim - $1.17M in CBSH purchases and sales in the last 12 months
Nicolas Catoggio - $1.00M in POST purchases and sales in the last 12 months
Kevin G. Barth - $411K in CBSH purchases and sales in the last 12 months
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David W. Kemper is a corporate insider, tracked as Director of Post Holdings, Inc. (POST). InsiderAlpha holds 33 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has David W. Kemper submitted recently?
4 primary Form 4 filings in the last 90 days, covering 2 companies.
Has David W. Kemper been buying or selling stock?
Recorded transactions: 1 open-market purchase ($176K) and 5 open-market sales ($2.31M) across all tracked filings.
David W. Kemper is Director of Post Holdings, Inc. (POST). 33 SEC Form 4 filings on record going back to 2024, most recently on 2 October 2026. Most recent open-market trade: sold $149K of CBSH on 3 February 2026. Lifetime open-market purchases: $176K. Lifetime open-market sales: $2.31M.
Recent transactions
18
The latest 18 SEC Form 4 transactions reported by David W. Kemper.
InsiderAlpha's records for David W. Kemper go back to 2024: 33 primary Form 4 filings, an average of 11.0 per year. The typical open-market purchase is $176K (1 buy totaling $176K). The largest single buy on record is $176K of POST in 2025. Sales side: 5 recorded sales totaling $2.31M, so the filing history runs sell-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
