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O'Shaughnessy Timothy J profile photo

Timothy J. O'Shaughnessy

CIK: 0001621362

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)6 (37.5%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)10 (62.5%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

Graham Holdings Co logo
GHC

Graham Holdings Co

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (16 total)

  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Aug 13, 2026
    Other(J)
    Direct
    4.2K shares-
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    May 26, 2026
    Other(J)
    Direct
    400 shares-
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    May 26, 2026
    Other(J)
    Indirect
    5.6K shares-
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Nov 11, 2025
    Exercise(M)
    Direct
    7.6K shares at avg. $872.01$6.6M
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Nov 11, 2025
    Tax Payment(F)
    Direct
    6.8K shares at avg. $1085.29$7.4M
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Oct 7, 2025
    Other(J)
    Direct
    2.8K shares-
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Sep 29, 2025
    Tax Payment(F)
    Direct
    6.6K shares at avg. $1190.80$7.8M
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Sep 29, 2025
    Exercise(M)
    Direct
    7.6K shares at avg. $872.01$6.6M
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Aug 20, 2025
    Exercise(M)
    Direct
    7.6K shares at avg. $872.01$6.6M
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Aug 20, 2025
    Tax Payment(F)
    Direct
    6.9K shares at avg. $1070.83$7.4M
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Nov 1, 2024
    Tax Payment(F)
    Direct
    23.9K shares at avg. $843.67$20.1M
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Nov 1, 2024
    Exercise(M)
    Direct
    25.8K shares at avg. $719.15$18.5M
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Oct 15, 2024
    Exercise(M)
    Direct
    25.8K shares at avg. $719.15$18.5M
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Oct 15, 2024
    Tax Payment(F)
    Direct
    24.1K shares at avg. $823.33$19.9M
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Sep 23, 2024
    Exercise(M)
    Direct
    25.8K shares at avg. $719.15$18.5M
  • Graham Holdings Co logo
    GHC

    Graham Holdings Co

    Sep 23, 2024
    Tax Payment(F)
    Direct
    24.4K shares at avg. $800.60$19.5M

1-16 of 16

About O'Shaughnessy Timothy J

O'Shaughnessy Timothy J (SEC CIK 0001621362) files insider reports with the SEC as President and CEO of Graham Holdings Co (GHC).

Signal8 holds 9 ownership filings by O'Shaughnessy Timothy J, all Form 4s, filed between Sep 25, 2024 and Aug 14, 2026. Those filings report 16 transactions, from Sep 23, 2024 to Aug 13, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on O'Shaughnessy Timothy J's filings is in ARLINGTON, VA.

Recent filings by O'Shaughnessy Timothy J

  • Aug 13, 2026: Other transaction of GHC shares (Form 4, code J).
  • May 26, 2026: Other transactions of GHC shares (2 lines, Form 4, code J).
  • Nov 11, 2025: Option exercise of GHC shares (Form 4, code M).
  • Nov 11, 2025: Tax withholding of GHC shares (Form 4, code F).
  • Oct 7, 2025: Other transaction of GHC shares (Form 4, code J).

Other insiders filing for Graham Holdings Co (GHC)

How to read Form 4 transaction codes