Insiders who reported open-market trades in the last 12 months at the companies Joan M. Lammtennant 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.
R. Sharon Smith - $205 in OSG purchases and sales in the last 12 months
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Joan M. Lammtennant is a corporate insider, tracked as Director of OCTAVE SPECIALTY GROUP INC (OSG). InsiderAlpha holds 12 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 Joan M. Lammtennant submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Joan M. Lammtennant is Director of OCTAVE SPECIALTY GROUP INC (OSG). 12 SEC Form 4 filings on record going back to 2024, most recently on 5 October 2026.
Recent transactions
5
The latest 5 SEC Form 4 transactions reported by Joan M. Lammtennant.
InsiderAlpha's records for Joan M. Lammtennant go back to 2024: 12 primary Form 4 filings, an average of 4.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
