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O'Shaughnessy Timothy J

Insider transactions at 1 company

This page shows all SEC Form 4 filings attributed to O'Shaughnessy Timothy J. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.

GHC
Company Title Type Shares Price Value Date
GHC President and CEO Option Exercise 7,582 $872.01 $6,611,580 Nov 11, 2025
GHC President and CEO Other 2,800 Oct 7, 2025
GHC President and CEO Option Exercise 7,580 $872.01 $6,609,836 Sep 29, 2025
GHC President and CEO Option Exercise 7,580 $872.01 $6,609,836 Aug 20, 2025
GHC President and CEO Tax Withholding 23,858 $843.67 $20,128,279 Nov 1, 2024
GHC President and CEO Option Exercise 25,752 $719.15 $18,519,551 Oct 15, 2024
GHC President and CEO Tax Withholding 24,412 $800.60 $19,544,247 Sep 23, 2024
GHC President and CEO Option Exercise 2,060 $426.86 $879,332 Jul 6, 2023
GHC President and CEO Option Exercise 1,000 $426.86 $426,860 Mar 7, 2023
GHC President and CEO Option Exercise 3,153 $426.86 $1,345,890 Mar 7, 2022
GHC President and CEO Disposition 300 Aug 3, 2020
GHC President and CEO L 3 $611.94 $1,720 Jan 2, 2019
GHC President and CEO Purchase 410 $549.50 $225,295 Aug 3, 2018
GHC President and CEO Purchase 1,050 $553.60 $581,280 Aug 2, 2018
GHC President and CEO L 3 $634.17 $1,801 Feb 22, 2018
GHC President and CEO Purchase 1,100 $463.61 $509,971 Mar 23, 2016