Insiders who reported open-market trades in the last 12 months at the companies Linda M. Biles 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.
Cameron Pforr - $56K in MPTI purchases and sales in the last 12 months
Linda M. Biles is a corporate insider, tracked as Executive VP - Finance of M-tron Industries, Inc. (MPTI). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Linda M. Biles submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Linda M. Biles been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($124K) across all tracked filings.
Linda M. Biles is Executive VP - Finance of M-tron Industries, Inc. (MPTI). 7 SEC Form 4 filings on record, most recently on 19 August 2026. Most recent open-market trade: sold $104K of MPTI on 19 August 2026. Lifetime open-market sales: $124K.
Recent transactions
7
The latest 7 SEC Form 4 transactions reported by Linda M. Biles.
InsiderAlpha's records for Linda M. Biles go back to 2026: 7 primary Form 4 filings, an average of 7.0 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.
