InsiderTrades

Form 4 for GHC Graham Holdings Co

Accepted 2026-05-28 11:09:35 ET · period of report 2026-05-26 · accession 0000950157-26-000656 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DI 2026-05-28 11:09 2026-05-26 GHC O'Shaughnessy Laura 10% J - Other — -5,600 0 -100% —
D 2026-05-28 11:09 2026-05-26 GHC O'Shaughnessy Laura 10% J - Other — -400 27.1K -1% —
D 2026-05-28 11:09 2026-05-26 GHC O'Shaughnessy Laura 10% J - Other — +6,000 11.5K +109% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class B Common Stock 2026-05-26 J D 5,600 — 0 I Trust — — (F1) Disposition of Class B shares in an exchange transaction for the equivalent number of Class A shares. (F2) N/A (F4) The reporting person's spouse is a trustee of the trust that owns the reported securities. The reporting person is a beneficiary of such trust but has no voting or investment power with respect to the shares held in such trust. The reporting person disclaims beneficial ownership of the reported securities.
2 Common Class B Common Stock 2026-05-26 J D 400 — 27,076 D — — (F1) Disposition of Class B shares in an exchange transaction for the equivalent number of Class A shares. (F2) N/A
3 Derivative Class A Common Stock 2026-05-26 J A 6,000 — 11,500 D — · — to — 6,000 Class B Common Stock (F5) Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date. (F6) Acquisition of Class A shares in an exchange transaction for the equivalent number of Class B shares. (F2) N/A (F5) Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date. (F5) Shares of Class A Common Stock are convertible into shares of Class B Common Stock at any time on a one-for-one basis and have no expiration date.