Arkolith/Insider Trading/GHC/Form 4

Maas, Jacob

Executive VPGraham Holdings Co (GHC) · full profile →Form 4 · filed Aug 21, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 19, 2025Option exercise(M)2K$804.80$1.6M7K
Aug 19, 2025Tax withholding(F)2K$1071.80$1.9M6K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 19, 2025Option exercise(M)2K—$00

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001655513-25-000003) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML