Reporting person on SEC Form 4

Jacob Maas,

Jacob Maas, is Executive VP at Graham Holdings. OQRO lists 6 transactions filed with the SEC under this name, the latest on Aug 31, 2026, each linked to the official Form 4.

Executive VP

Disclosures on record

6

Companies involved

1

Disclosure history

Graham HoldingsGHC
6 disclosures · Oct 2025 – Aug 2026
- Aug 28, 20261,000disclosed Aug 31
  Details Official record
- Aug 28, 2026501disclosed Aug 31
  Details Official record

Jan 16, 2026

1,000

disclosed Jan 21

Details Official record

Jan 16, 2026377disclosed Jan 21

Details Official record

Oct 20, 20251,000disclosed Oct 22

Details Official record

Oct 20, 2025501disclosed Oct 22

Details Official record

All activity in Graham Holdings