Insiders who reported open-market trades in the last 12 months at the companies Laura O'Shaughnessy 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.
Tony Allen - $7K in GHC purchases and sales in the last 12 months
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Laura O'Shaughnessy is a corporate insider, tracked as 10% Owner of Graham Holdings Co (GHC). InsiderAlpha holds 10 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 Laura O'Shaughnessy submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Laura O'Shaughnessy been buying or selling stock?
Recorded transactions: 1 open-market purchase ($283K) and 0 open-market sales across all tracked filings.
Laura O'Shaughnessy is 10% Owner of Graham Holdings Co (GHC). 10 SEC Form 4 filings on record going back to 2024, most recently on 14 August 2026. Most recent open-market trade: bought $283K of AYI on 10 April 2026. Lifetime open-market purchases: $283K.
Recent transactions
15
The latest 15 SEC Form 4 transactions reported by Laura O'Shaughnessy.
InsiderAlpha's records for Laura O'Shaughnessy go back to 2024: 10 primary Form 4 filings, an average of 3.3 per year. The typical open-market purchase is $283K (1 buy totaling $283K). The largest single buy on record is $283K of AYI in 2026. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
