Insiders who reported open-market trades in the last 12 months at the companies Robert N. Wilson 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.
Fred A. Middleton - $200K in CALC purchases and sales in the last 12 months
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Robert N. Wilson is a corporate insider, tracked as Director of CalciMedica, Inc. (CALC). InsiderAlpha holds 6 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 Robert N. Wilson submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Robert N. Wilson been buying or selling stock?
Recorded transactions: 2 open-market purchases ($213K) and 0 open-market sales across all tracked filings.
Robert N. Wilson is Director of CalciMedica, Inc. (CALC). 6 SEC Form 4 filings on record going back to 2024, most recently on 5 October 2026. Most recent open-market trade: bought $13K of CALC on 18 July 2025. Lifetime open-market purchases: $213K.
Recent transactions
3
The latest 3 SEC Form 4 transactions reported by Robert N. Wilson.
InsiderAlpha's records for Robert N. Wilson go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $106K (2 buys totaling $213K). The largest single buy on record is $200K of CALC in 2024. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
