Jack A. Markell
Director · Graham Holdings Co
IndividualBuying only
- 2025
- Oct 2, 2026
- 9
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Jack A. Markell files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Neil Bluhm - $262.38M in RSI purchases and sales in the last 12 months
- Richard Todd Schwartz - $65.67M in RSI purchases and sales in the last 12 months
- Mattias Stetz - $13.81M in RSI purchases and sales in the last 12 months
- Kyle Sauers - $4.62M in RSI purchases and sales in the last 12 months
- Judith Gold - $2.53M in RSI purchases and sales in the last 12 months
- Paul Wierbicki - $2.53M in RSI purchases and sales in the last 12 months
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Frequently asked questions
Who is Jack A. Markell?
Jack A. Markell is a corporate insider, tracked as Director of Graham Holdings Co (GHC). InsiderAlpha holds 9 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Jack A. Markell submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Jack A. Markell been buying or selling stock?
Recorded transactions: 1 open-market purchase ($29K) and 0 open-market sales across all tracked filings.
