Form4insider filings, from the source

Insider · CIK 0001655513

Jacob Maas

Files at: GHC. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 28, 2026 AFForm 4 →Aug 31, 5:45 pm EDTGraham Holdings CoGHC1,501$1,159.23$580,7747,156—
Jan 2, 2019 AForm 4 →Jan 4, 12:34 pm ESTGraham Holdings Co[GHC]600——1,026— plan?
Jan 3, 2017 AForm 4 →Jan 5, 8:39 pm ESTGraham Holdings CoGHC400——426— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Oct 26, 2015 AForm 4 →Oct 28, 3:18 pm EDTGraham Holdings CoGHC2,000——2,000—