Markell Jack A.
SEC insider (Form 3/4/5 filer). CIK 0001705859. Director at Graham Holdings Co (GHC) and 2 other issuers. 12 reported Form 4/5 transactions since Sep 2024; latest on Oct 1, 2026. Located in ARLINGTON, VA.
Companies Markell Jack A. has filed insider reports for
- Graham Holdings Co (GHC): Director
- Rush Street Interactive, Inc. (RSI): Director
- FS Credit Income Fund (FCRIX): Director
Markell Jack A.
CIK: 0001705859
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (12 total)
- Oct 1, 2026GHC
Graham Holdings Co
AwardIndirect7 shares at avg. $1139.10$8K - Sep 25, 2026RSI
Rush Street Interactive, Inc.
PurchaseDirect1.5K shares at avg. $19.35$29K - Jul 1, 2026GHC
Graham Holdings Co
AwardIndirect7 shares at avg. $1161.11$8K - Jun 3, 2026RSI
Rush Street Interactive, Inc.
Tax PaymentDirect3.4K shares at avg. $25.42$87K - Apr 1, 2026GHC
Graham Holdings Co
AwardIndirect8 shares at avg. $1061.70$8K - Mar 14, 2026RSI
Rush Street Interactive, Inc.
AwardDirect8K shares- - Jan 2, 2026GHC
Graham Holdings Co
AwardIndirect8 shares at avg. $1091.18$9K - Oct 1, 2025GHC
Graham Holdings Co
AwardIndirect7 shares at avg. $1165.25$8K - Jul 1, 2025GHC
Graham Holdings Co
AwardIndirect9 shares at avg. $954.49$9K - May 29, 2025RSI
Rush Street Interactive, Inc.
AwardDirect11K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 1, 2026 |  GHC Graham Holdings Co | Award | 7 | $1139.10 | $7,974 | Indirect |
| Sep 25, 2026 |  RSI Rush Street Interactive, Inc. | Purchase | 1,500 | $19.35 | $29,025 | Direct |
| Jul 1, 2026 | GHC Graham Holdings Co | Award | 7 | $1161.11 | $8,128 | Indirect |
| Jun 3, 2026 | RSI Rush Street Interactive, Inc. | Tax Payment | 3,406 | $25.42 | $86,581 | Direct |
| Apr 1, 2026 | GHC Graham Holdings Co | Award | 8 | $1061.70 | $8,494 | Indirect |
| Mar 14, 2026 | RSI Rush Street Interactive, Inc. | Award | 7,968 | - | $0 | Direct |
| Jan 2, 2026 | GHC Graham Holdings Co | Award | 8 | $1091.18 | $8,729 | Indirect |
| Oct 1, 2025 | GHC Graham Holdings Co | Award | 7 | $1165.25 | $8,157 | Indirect |
| Jul 1, 2025 | GHC Graham Holdings Co | Award | 9 | $954.49 | $8,590 | Indirect |
| May 29, 2025 | RSI Rush Street Interactive, Inc. | Award | 10,958 | - | - | Direct |
1-10 of 12 transactions