Insiders who reported open-market trades in the last 12 months at the companies Christopher M. Grandpre 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.
Charles E. Jobson - $1.83M in JYNT purchases and sales in the last 12 months
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Christopher M. Grandpre is a corporate insider, tracked as Director of JOINT Corp (JYNT). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Christopher M. Grandpre last file a Form 4?
The most recent primary Form 4 on record is dated 22 May 2026, one of 4 filings going back to 2025.
Has Christopher M. Grandpre been buying or selling stock?
Recorded transactions: 3 open-market purchases ($368K) and 0 open-market sales across all tracked filings.
Christopher M. Grandpre is Director of JOINT Corp (JYNT). 4 SEC Form 4 filings on record going back to 2025, most recently on 22 May 2026. Most recent open-market trade: bought $104K of JYNT on 22 August 2025. Lifetime open-market purchases: $368K.
Recent transactions
5
The latest 5 SEC Form 4 transactions reported by Christopher M. Grandpre.
InsiderAlpha's records for Christopher M. Grandpre go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $123K (3 buys totaling $368K). The largest single buy on record is $157K of JYNT in 2025. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
