Markell Jack A.

Director · GHC, RSI

As of 2026-09-16, Markell Jack A. has 10 Form 4 transactions on record across 2 companies — 6 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $450KIndirect: $54K$505Kas of 2026-09-16
  • Direct $450K
  • Indirect $54K
RSIdirect17,383 sh$450K
GHCindirect48 sh$54K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

GHC · 6 trades
2026-07-01: Award / grant, 7 sh ($8K)2026-04-01: Award / grant, 8 sh ($8K)2026-01-02: Award / grant, 8 sh ($9K)2025-10-01: Award / grant, 7 sh ($8K)2025-07-01: Award / grant, 9 sh ($9K)2025-04-01: Award / grant, 9 sh ($9K)
RSI · 4 trades
2026-06-03: Withheld for tax, 3,406 sh ($87K)2026-03-14: Award / grant, 7,968 sh ($0)2025-05-29: Award / grant, 10,958 sh ($0)2025-03-19: Award / grant, 1,863 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
10 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-01GHCAward / grant748Form 4
2026-06-03RSIWithheld for tax3,40617,383Form 4
2026-04-01GHCAward / grant841Form 4
2026-03-14RSIAward / grant7,96820,789Form 4
2026-01-02GHCAward / grant833Form 4
2025-10-01GHCAward / grant725Form 4
2025-07-01GHCAward / grant918Form 4
2025-05-29RSIAward / grant10,95812,821Form 4
2025-04-01GHCAward / grant99Form 4
2025-03-19RSIAward / grant1,8631,863Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.