Company · CIK 0000104889 · SIC 8200 — Services-Educational Services · NYSE
Graham Holdings Co · GHC
Insider activity reported against this company. All insider holders · Files at: SPRO, CABO. On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 28, 2026 AFForm 4 → | Aug 31, 5:45 pm EDT | Jacob MaasExecutive VP | 1,501 | $1,159.23 | $580,774 | 7,156 | — | |
| Aug 13, 2026 JForm 4 → | Aug 14, 4:18 pm EDT | Timothy J O'ShaughnessyPresident and CEO, Director | 4,211 | — | — | 22,878 | — | |
| Aug 13, 2026 JForm 4 → | Aug 14, 4:16 pm EDT | Laura O'Shaughnessy10% Owner | 4,211 | — | — | 22,865 | — | |
| Jul 1, 2026 AForm 4 → | Jul 6, 4:59 pm EDT | G Richard Wagoner Jr.Director | 21 | $1,161.11 | $24,383 | 1,554 | — | |
| Jul 1, 2026 AForm 4 → | Jul 6, 4:57 pm EDT | Anne M MulcahyDirector | 21 | $1,161.11 | $24,383 | 758 | — | |
| Jul 1, 2026 AForm 4 → | Jul 6, 4:56 pm EDT | Jack A. MarkellDirector | 7 | $1,161.11 | $8,128 | 48 | — | |
| Jul 1, 2026 AForm 4 → | Jul 6, 4:55 pm EDT | Christopher C DavisDirector | 23 | $1,161.11 | $26,706 | 5,614 | — | |
| Jul 1, 2026 AForm 4 → | Jul 6, 4:53 pm EDT | Danielle Y. ConleyDirector | 19 | $1,161.11 | $22,061 | 461 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 JForm 4 → | Aug 14, 4:18 pm EDT | Timothy J O'ShaughnessyPresident and CEO, Director | 8,422 | — | — | 19,922 | — | |
| Aug 13, 2026 JForm 4 → | Aug 14, 4:16 pm EDT | Laura O'Shaughnessy10% Owner | 8,422 | — | — | 19,922 | — | |
| Aug 13, 2026 JForm 4 → | Aug 14, 4:14 pm EDT | Donald GrahamDirector, 10% Owner | 12,633 | — | — | 375,592 | — |
Filed by this entity as an insider elsewhere — common stock
No reported common-stock activity in this period.
Filed by this entity as an insider elsewhere — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.