Insider trade

10% owner reported a non-open-market transaction in GHC

Traded May 26, 2026 · Filed May 28, 2026

Graham HoldingsGHC

5,600
Shares

Why it stands out

Not classified as an open-market trade.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: May 26, 2026
Reporting period: Not applicable
Filed with the SEC: May 28, 2026

10% ownerIndirect holdingOther

Context

Classification

other

Code J — not an open-market trade

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

Source receipt

Record ID: 0000950157-26-000656

Filed / recorded

May 28, 2026, 3:09 PM UTC

Added to OQRO

Oct 6, 2026, 7:37 PM UTC

Parser

form4-xml-v2

Data quality

Verified: identifiers matched exactly

Issuer

Graham Holdings Co

Issuer CIK

104889

Ticker

GHC

Reporting person

O'Shaughnessy Laura

Relationship

10% owner

Security

Class B Common Stock

Table

Non-derivative (Table I)

Transaction date

May 26, 2026

Transaction code

J

Shares / units

5,600

Acquired / disposed

Disposed (D)

Shares owned after

0

Ownership form

Indirect — Trust

Amendment

No

Footnotes from the filing

Disposition of Class B shares in an exchange transaction for the equivalent number of Class A shares.
N/A
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.