Arkolith/Insider Trading/GHC/Form 4

Weymouth Katharine

DirectorGraham Holdings Co (GHC) · full profile →Form 4 · filed Dec 29, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
1
0 non-derivative · 1 derivative

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Dec 29, 2025Other(J)36K——36K

Transaction Codes

J
Other acquisition / disposition

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000950157-25-001035) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML