Insider · CIK 0001705859
Jack A. Markell
Files at GHC (Graham Holdings Co), RSI (Rush Street Interactive, Inc.). First filing Sep 25, 2026, latest Sep 25, 2026.
In brief
Jack A. Markell files SEC Form 4 as director at RSI (Rush Street Interactive, Inc.), and also at GHC (Graham Holdings Co). Since Sep 25, 2026, Jack A. Markell has reported 1 open-market buy worth $29k and 0 open-market sells worth $0, the latest filed on Sep 25, 2026.
A track record needs three past buys with six months of prices behind them; Jack A. Markell has 0, so none is measured yet.
The newest scored trade: bought $29k of RSI on Sep 25, 2026, filed Sep 25, 2026, scored 23 (weak). In the last 12 months: 1 buy worth $29k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
RSI: Rush Street Interactive, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 23Weak | RSIbuy Rush Street Interactive, Inc. | $29k 1,500 shares | +9% | - |
Transactions
Every row this insider has filed, 11 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | GHC Graham Holdings Co | AGrant or award Class B Common Stockindirect: Revocable Trust | +7 | $1,139.10 | $7,974 | 55 | 11 d ago |
| Sep 25, 2026 | RSI Rush Street Interactive, Inc. | POpen-market purchase Class A Common Stock | +1,500 | $19.35 | $29k | 18,883 | 18 d ago |
| Jul 1, 2026 | GHC Graham Holdings Co | AGrant or award Class B Common Stockindirect: Revocable Trust | +7 | $1,161.11 | $8,128 | 48 | Jul 6, 2026 |
| Jun 3, 2026 | RSI Rush Street Interactive, Inc. | FTax withholding Class A Common Stock | -3,406 | $25.42 | $87k | 17,383 | Jun 5, 2026 |
| Apr 1, 2026 | GHC Graham Holdings Co | AGrant or award Class B Common Stockindirect: Revocable Trust | +8 | $1,061.70 | $8,494 | 41 | Apr 2, 2026 |
| Mar 14, 2026 | RSI Rush Street Interactive, Inc. | AGrant or award Class A Common Stock | +7,968 | $0.00 | $0 | 20,789 | Mar 17, 2026 |
| Jan 2, 2026 | GHC Graham Holdings Co | AGrant or award Class B Common Stockindirect: Revocable Trust | +8 | $1,091.18 | $8,729 | 33 | Jan 5, 2026 |
| Oct 1, 2025 | GHC Graham Holdings Co | AGrant or award Class B Common Stockindirect: Revocable Trust | +7 | $1,165.25 | $8,157 | 25 | Oct 2, 2025 |
| Jul 1, 2025 | GHC Graham Holdings Co | AGrant or award Class B Common Stockindirect: Revocable Trust | +9 | $954.49 | $8,590 | 18 | Jul 2, 2025 |
| May 29, 2025 | RSI Rush Street Interactive, Inc. | AGrant or award Class A Common Stock | +10,958 | $0.00 | $0 | 12,821 | May 29, 2025 |
| Apr 1, 2025 | GHC Graham Holdings Co | AGrant or award Class B Common Stockindirect: Revocable Trust | +9 | $970.97 | $8,739 | 9 | Apr 3, 2025 |
Questions about Jack A. Markell
Answered from the filings on this page, as of the latest one.
Is Jack A. Markell buying or selling?
In the last 12 months Jack A. Markell reported 1 open-market buy worth $29k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $29k of RSI on Sep 25, 2026. Grants, option exercises and tax withholding are not counted.
How did Jack A. Markell's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Jack A. Markell has 0.
Where does Jack A. Markell file Form 4?
Jack A. Markell has filed Form 4 at RSI (Rush Street Interactive, Inc.); GHC (Graham Holdings Co). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.