Insider · CIK 0001621362
Timothy J O'Shaughnessy
Files at: GHC. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 JForm 4 → | Aug 14, 4:18 pm EDT | Graham Holdings CoGHC | 4,211 | — | — | 22,878 | — | |
| Aug 2, 2018 PForm 4/A → | Aug 7, 12:40 pm EDT | Graham Holdings CoGHC | 1,050 | $553.60 | $581,280 | 11,742 | +9.82% | plan? |
| Aug 2, 2018 PForm 4 → | Aug 6, 4:16 pm EDT | Graham Holdings CoGHC | 3,600 | $550.21 | $1,980,744 | 5,600 | +180% | plan? amended |
| Feb 22, 2018 ALForm 4 → | Jan 4, 2019, 5:00 pm EST | Graham Holdings CoGHC | 612 | $590.94 | $6,845 | 3,382 | — | plan? late |
| Mar 23, 2016 PForm 4 → | Mar 24, 5:29 pm EDT | Graham Holdings CoGHC | 1,100 | $463.61 | $509,971 | 8,892 | +14.1% | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 JForm 4 → | Aug 14, 4:18 pm EDT | Graham Holdings CoGHC | 8,422 | — | — | 19,922 | — | |
| Oct 27, 2017 GForm 4 → | Oct 31, 5:42 pm EDT | Graham Holdings CoGHC | 14,810 | — | — | 34,865 | — | |
| Jul 24, 2017 PForm 4 → | Aug 21, 5:39 pm EDT | Graham Holdings CoGHC | 10,188 | $596.70 | $6,079,180 | 20,055 | — | late |
| Nov 21, 2016 GForm 4 → | Nov 23, 4:33 pm EST | Graham Holdings CoGHC | 3,974 | — | — | 9,867 | — | |
| Nov 12, 2015 AForm 4 → | Nov 16, 7:10 pm EST | Graham Holdings CoGHC | 22,742 | — | — | 100,000 | — |