O'Shaughnessy Laura — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

O'Shaughnessy Laura has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $283K.

Profile

O'Shaughnessy Laura
Role10% Owner
Notability20/100

Board memberships

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-28GHCGraham Holdings CoJ — Other acquisition / disposition400—
2026-05-28GHCGraham Holdings CoJ — Other acquisition / disposition5.6K—
2026-04-10AYIACUITY INC. (DE)P — Open-market purchase1.0K$282.98$283K
2025-10-07GHCGraham Holdings CoJ — Other acquisition / disposition2.8K—
2025-09-29GHCGraham Holdings CoF — Tax withholding / forfeiture6.6K$1,190.80$7.82M
2025-09-29GHCGraham Holdings CoM — Option exercise7.6K$872.01$6.61M
2025-08-20GHCGraham Holdings CoF — Tax withholding / forfeiture6.9K$1,070.83$7.37M
2025-08-20GHCGraham Holdings CoM — Option exercise7.6K$872.01$6.61M
2024-11-05GHCGraham Holdings CoF — Tax withholding / forfeiture23.9K$843.67$20.13M
2024-11-05GHCGraham Holdings CoM — Option exercise25.8K$719.15$18.52M
2024-10-17GHCGraham Holdings CoF — Tax withholding / forfeiture24.1K$823.33$19.86M
2024-10-17GHCGraham Holdings CoM — Option exercise25.8K$719.15$18.52M

Companies — Last 90 Days

Frequently Asked Questions

Who is O'Shaughnessy Laura?

O'Shaughnessy Laura is a corporate insider — currently tracked as 10% Owner of Graham Holdings Co (GHC). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has O'Shaughnessy Laura submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has O'Shaughnessy Laura been buying or selling stock?

Recorded transactions: 1 open-market purchases ($283K) and 0 open-market sales () across all tracked filings.

Where can I see all of O'Shaughnessy Laura's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live O'Shaughnessy Laura profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.